server/session.py
author Aurelien Campeas <aurelien.campeas@logilab.fr>
Tue, 03 Jun 2014 11:17:09 +0200
changeset 9840 92ea0a4746e2
parent 9774 b7b71be569cf
child 9934 e32964e28a45
permissions -rw-r--r--
[webtests/urlrewrite] use the new connection api
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
9629
8114bed10e78 some copyright updates
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 9625
diff changeset
     1
# copyright 2003-2014 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
5421
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5226
diff changeset
     2
# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5226
diff changeset
     3
#
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5226
diff changeset
     4
# This file is part of CubicWeb.
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5226
diff changeset
     5
#
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5226
diff changeset
     6
# CubicWeb is free software: you can redistribute it and/or modify it under the
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5226
diff changeset
     7
# terms of the GNU Lesser General Public License as published by the Free
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5226
diff changeset
     8
# Software Foundation, either version 2.1 of the License, or (at your option)
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5226
diff changeset
     9
# any later version.
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5226
diff changeset
    10
#
5424
8ecbcbff9777 replace logilab-common by CubicWeb in disclaimer
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5421
diff changeset
    11
# CubicWeb is distributed in the hope that it will be useful, but WITHOUT
5421
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5226
diff changeset
    12
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5226
diff changeset
    13
# FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5226
diff changeset
    14
# details.
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5226
diff changeset
    15
#
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5226
diff changeset
    16
# You should have received a copy of the GNU Lesser General Public License along
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5226
diff changeset
    17
# with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.
5701
41119f034735 [querier] fix rset description bug with some union queries
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5426
diff changeset
    18
"""Repository users' and internal' sessions."""
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    19
__docformat__ = "restructuredtext en"
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    20
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    21
import sys
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    22
import threading
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    23
from time import time
4913
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4899
diff changeset
    24
from uuid import uuid4
5174
78438ad513ca #759035: Automate addition of eid cachekey in RQL analysis
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5130
diff changeset
    25
from warnings import warn
9098
5467fb901931 [connection] transparent cnx_set handling
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9095
diff changeset
    26
import functools
5467fb901931 [connection] transparent cnx_set handling
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9095
diff changeset
    27
from contextlib import contextmanager
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    28
2613
5e19c2bb370e R [all] logilab.common 0.44 provides only deprecated
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents: 2466
diff changeset
    29
from logilab.common.deprecation import deprecated
7769
8af09eeee130 [session] take care of non-ascii characters in login and session id (closes: #1910849)
Julien Jehannet <julien.jehannet@logilab.fr>
parents: 7757
diff changeset
    30
from logilab.common.textutils import unormalize
8190
2a3c1b787688 [vreg] move base registry implementation to logilab.common. Closes #1916014
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8096
diff changeset
    31
from logilab.common.registry import objectify_predicate
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    32
9468
39b7a91a3f4c [repo] pylint cleanup, mainly of imports, with a bit of style
Julien Cristau <julien.cristau@logilab.fr>
parents: 9466
diff changeset
    33
from cubicweb import QueryError, schema, server, ProgrammingError
2792
135580d15d42 rename and move cw.RequestSessionMixIn to cw.req.RequestSessionBase; move some appobjects methods where they actually belong to
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2788
diff changeset
    34
from cubicweb.req import RequestSessionBase
8542
7e264ce34cd4 [session / querier] reorganize code to building result set descriptions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8538
diff changeset
    35
from cubicweb.utils import make_uid
3240
8604a15995d1 refactor so that rql rewriter may be used outside the server. Enhance it to be usable for RRQLExpression as well
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3198
diff changeset
    36
from cubicweb.rqlrewrite import RQLRewriter
7573
c8f8762c986d [repo, looping task] raise a custom exception when repository is shuting down, avoid looping task to be restarted in such case. Closes #1021276
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7526
diff changeset
    37
from cubicweb.server import ShuttingDown
7119
8b29c4c2ffc6 [repository] fix crash in optimized [add|remove]_relation w/ inlined relation (broken by cw 3.10 refactoring)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7118
diff changeset
    38
from cubicweb.server.edition import EditedEntity
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    39
7329
f2d52aa8bcdb [session] new selectors according to session type (eg user or internal
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7237
diff changeset
    40
4913
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4899
diff changeset
    41
NO_UNDO_TYPES = schema.SCHEMA_TYPES.copy()
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4899
diff changeset
    42
NO_UNDO_TYPES.add('CWCache')
5074
bc481dab93d4 [undo] consistent is/is_instance_of processing
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5069
diff changeset
    43
# is / is_instance_of are usually added by sql hooks except when using
bc481dab93d4 [undo] consistent is/is_instance_of processing
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5069
diff changeset
    44
# dataimport.NoHookRQLObjectStore, and we don't want to record them
bc481dab93d4 [undo] consistent is/is_instance_of processing
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5069
diff changeset
    45
# anyway in the later case
bc481dab93d4 [undo] consistent is/is_instance_of processing
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5069
diff changeset
    46
NO_UNDO_TYPES.add('is')
bc481dab93d4 [undo] consistent is/is_instance_of processing
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5069
diff changeset
    47
NO_UNDO_TYPES.add('is_instance_of')
6427
c8a5ac2d1eaa [schema / sources] store data sources as cubicweb entities
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6401
diff changeset
    48
NO_UNDO_TYPES.add('cw_source')
4913
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4899
diff changeset
    49
# XXX rememberme,forgotpwd,apycot,vcsfile
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4899
diff changeset
    50
8190
2a3c1b787688 [vreg] move base registry implementation to logilab.common. Closes #1916014
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8096
diff changeset
    51
@objectify_predicate
7329
f2d52aa8bcdb [session] new selectors according to session type (eg user or internal
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7237
diff changeset
    52
def is_user_session(cls, req, **kwargs):
8760
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
    53
    """return 1 when session is not internal.
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
    54
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
    55
    This predicate can only be used repository side only. """
7330
584907154ce3 [session selector] missing not
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7329
diff changeset
    56
    return not req.is_internal_session
7329
f2d52aa8bcdb [session] new selectors according to session type (eg user or internal
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7237
diff changeset
    57
8190
2a3c1b787688 [vreg] move base registry implementation to logilab.common. Closes #1916014
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8096
diff changeset
    58
@objectify_predicate
7329
f2d52aa8bcdb [session] new selectors according to session type (eg user or internal
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7237
diff changeset
    59
def is_internal_session(cls, req, **kwargs):
8760
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
    60
    """return 1 when session is not internal.
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
    61
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
    62
    This predicate can only be used repository side only. """
7329
f2d52aa8bcdb [session] new selectors according to session type (eg user or internal
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7237
diff changeset
    63
    return req.is_internal_session
f2d52aa8bcdb [session] new selectors according to session type (eg user or internal
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7237
diff changeset
    64
8190
2a3c1b787688 [vreg] move base registry implementation to logilab.common. Closes #1916014
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8096
diff changeset
    65
@objectify_predicate
7500
cb0f4da64e86 [repository] new hook selector according to configuration's repairing flag
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7451
diff changeset
    66
def repairing(cls, req, **kwargs):
8760
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
    67
    """return 1 when repository is running in repair mode"""
7500
cb0f4da64e86 [repository] new hook selector according to configuration's repairing flag
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7451
diff changeset
    68
    return req.vreg.config.repairing
cb0f4da64e86 [repository] new hook selector according to configuration's repairing flag
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7451
diff changeset
    69
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    70
7451
48ba5f0c11de [session] provide a simple transaction context manager for session. Closes #1725640
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7405
diff changeset
    71
class transaction(object):
9267
24d9b86dfa54 spelling: rollbacked -> rolled back
Rémi Cardona <remi.cardona@logilab.fr>
parents: 9240
diff changeset
    72
    """Ensure that the transaction is either commited or rolled back at exit
8760
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
    73
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
    74
    Context manager to enter a transaction for a session: when exiting the
7451
48ba5f0c11de [session] provide a simple transaction context manager for session. Closes #1725640
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7405
diff changeset
    75
    `with` block on exception, call `session.rollback()`, else call
48ba5f0c11de [session] provide a simple transaction context manager for session. Closes #1725640
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7405
diff changeset
    76
    `session.commit()` on normal exit
48ba5f0c11de [session] provide a simple transaction context manager for session. Closes #1725640
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7405
diff changeset
    77
    """
48ba5f0c11de [session] provide a simple transaction context manager for session. Closes #1725640
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7405
diff changeset
    78
    def __init__(self, session, free_cnxset=True):
48ba5f0c11de [session] provide a simple transaction context manager for session. Closes #1725640
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7405
diff changeset
    79
        self.session = session
48ba5f0c11de [session] provide a simple transaction context manager for session. Closes #1725640
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7405
diff changeset
    80
        self.free_cnxset = free_cnxset
48ba5f0c11de [session] provide a simple transaction context manager for session. Closes #1725640
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7405
diff changeset
    81
48ba5f0c11de [session] provide a simple transaction context manager for session. Closes #1725640
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7405
diff changeset
    82
    def __enter__(self):
8529
1daea1f433c9 [datafeed] make cnxset handling of datafeed source more robust
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8433
diff changeset
    83
        # ensure session has a cnxset
1daea1f433c9 [datafeed] make cnxset handling of datafeed source more robust
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8433
diff changeset
    84
        self.session.set_cnxset()
7451
48ba5f0c11de [session] provide a simple transaction context manager for session. Closes #1725640
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7405
diff changeset
    85
48ba5f0c11de [session] provide a simple transaction context manager for session. Closes #1725640
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7405
diff changeset
    86
    def __exit__(self, exctype, exc, traceback):
48ba5f0c11de [session] provide a simple transaction context manager for session. Closes #1725640
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7405
diff changeset
    87
        if exctype:
48ba5f0c11de [session] provide a simple transaction context manager for session. Closes #1725640
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7405
diff changeset
    88
            self.session.rollback(free_cnxset=self.free_cnxset)
48ba5f0c11de [session] provide a simple transaction context manager for session. Closes #1725640
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7405
diff changeset
    89
        else:
48ba5f0c11de [session] provide a simple transaction context manager for session. Closes #1725640
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7405
diff changeset
    90
            self.session.commit(free_cnxset=self.free_cnxset)
48ba5f0c11de [session] provide a simple transaction context manager for session. Closes #1725640
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7405
diff changeset
    91
8840
bd5b5759c9b3 [session] make hook_control API private
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8817
diff changeset
    92
@deprecated('[3.17] use <object>.allow/deny_all_hooks_but instead')
8915
c5c6da8e42db [session] fix hooks_control backward compat
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8848
diff changeset
    93
def hooks_control(obj, mode, *categories):
c5c6da8e42db [session] fix hooks_control backward compat
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8848
diff changeset
    94
    assert mode in  (HOOKS_ALLOW_ALL, HOOKS_DENY_ALL)
c5c6da8e42db [session] fix hooks_control backward compat
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8848
diff changeset
    95
    if mode == HOOKS_ALLOW_ALL:
c5c6da8e42db [session] fix hooks_control backward compat
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8848
diff changeset
    96
        return obj.allow_all_hooks_but(*categories)
c5c6da8e42db [session] fix hooks_control backward compat
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8848
diff changeset
    97
    elif mode == HOOKS_DENY_ALL:
c5c6da8e42db [session] fix hooks_control backward compat
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8848
diff changeset
    98
        return obj.deny_all_hooks_but(*categories)
c5c6da8e42db [session] fix hooks_control backward compat
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8848
diff changeset
    99
7451
48ba5f0c11de [session] provide a simple transaction context manager for session. Closes #1725640
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7405
diff changeset
   100
9122
1d109fb9c67c [session] deprecate all Connection related method on session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9121
diff changeset
   101
class _hooks_control(object): # XXX repoapi: remove me when
1d109fb9c67c [session] deprecate all Connection related method on session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9121
diff changeset
   102
                              # session stop being connection
4834
b718626a0e60 move hooks activation control on session object, so we can have a per transaction control. Added a new `hooks_control` context manager for usual modification of hooks activation.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4767
diff changeset
   103
    """context manager to control activated hooks categories.
b718626a0e60 move hooks activation control on session object, so we can have a per transaction control. Added a new `hooks_control` context manager for usual modification of hooks activation.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4767
diff changeset
   104
9557
a3c075fe9385 [server/session] fix a couple typos in doc strings
Julien Cristau <julien.cristau@logilab.fr>
parents: 9543
diff changeset
   105
    If mode is `HOOKS_DENY_ALL`, given hooks categories will
4834
b718626a0e60 move hooks activation control on session object, so we can have a per transaction control. Added a new `hooks_control` context manager for usual modification of hooks activation.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4767
diff changeset
   106
    be enabled.
b718626a0e60 move hooks activation control on session object, so we can have a per transaction control. Added a new `hooks_control` context manager for usual modification of hooks activation.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4767
diff changeset
   107
9025
768eb9a6a2db [session] update _hook_control docstring
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9024
diff changeset
   108
    If mode is `HOOKS_ALLOW_ALL`, given hooks categories will
4834
b718626a0e60 move hooks activation control on session object, so we can have a per transaction control. Added a new `hooks_control` context manager for usual modification of hooks activation.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4767
diff changeset
   109
    be disabled.
6147
95c604ec89bf update documentation to follow 6142:8bc6eac1fac1 changes. Try to make it better and move most doc with code on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142
diff changeset
   110
95c604ec89bf update documentation to follow 6142:8bc6eac1fac1 changes. Try to make it better and move most doc with code on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142
diff changeset
   111
    .. sourcecode:: python
95c604ec89bf update documentation to follow 6142:8bc6eac1fac1 changes. Try to make it better and move most doc with code on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142
diff changeset
   112
9025
768eb9a6a2db [session] update _hook_control docstring
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9024
diff changeset
   113
       with _hooks_control(cnx, HOOKS_ALLOW_ALL, 'integrity'):
6147
95c604ec89bf update documentation to follow 6142:8bc6eac1fac1 changes. Try to make it better and move most doc with code on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142
diff changeset
   114
           # ... do stuff with all but 'integrity' hooks activated
95c604ec89bf update documentation to follow 6142:8bc6eac1fac1 changes. Try to make it better and move most doc with code on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142
diff changeset
   115
9025
768eb9a6a2db [session] update _hook_control docstring
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9024
diff changeset
   116
       with _hooks_control(cnx, HOOKS_DENY_ALL, 'integrity'):
6147
95c604ec89bf update documentation to follow 6142:8bc6eac1fac1 changes. Try to make it better and move most doc with code on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142
diff changeset
   117
           # ... do stuff with none but 'integrity' hooks activated
8561
77ea3eed9946 [session] promote usage of [deny|all]_all_hooks_but session methods rather than hooks_control context manager directly
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8554
diff changeset
   118
9557
a3c075fe9385 [server/session] fix a couple typos in doc strings
Julien Cristau <julien.cristau@logilab.fr>
parents: 9543
diff changeset
   119
    This is an internal API, you should rather use
9026
84c5b01ebb3e [connection] move hook control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9025
diff changeset
   120
    :meth:`~cubicweb.server.session.Connection.deny_all_hooks_but` or
84c5b01ebb3e [connection] move hook control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9025
diff changeset
   121
    :meth:`~cubicweb.server.session.Connection.allow_all_hooks_but`
9557
a3c075fe9385 [server/session] fix a couple typos in doc strings
Julien Cristau <julien.cristau@logilab.fr>
parents: 9543
diff changeset
   122
    Connection methods.
4834
b718626a0e60 move hooks activation control on session object, so we can have a per transaction control. Added a new `hooks_control` context manager for usual modification of hooks activation.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4767
diff changeset
   123
    """
9026
84c5b01ebb3e [connection] move hook control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9025
diff changeset
   124
    def __init__(self, cnx, mode, *categories):
8814
37fd037c0526 [session] move context manager logic in the hook controls context manager
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8813
diff changeset
   125
        assert mode in (HOOKS_ALLOW_ALL, HOOKS_DENY_ALL)
9026
84c5b01ebb3e [connection] move hook control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9025
diff changeset
   126
        self.cnx = cnx
4834
b718626a0e60 move hooks activation control on session object, so we can have a per transaction control. Added a new `hooks_control` context manager for usual modification of hooks activation.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4767
diff changeset
   127
        self.mode = mode
b718626a0e60 move hooks activation control on session object, so we can have a per transaction control. Added a new `hooks_control` context manager for usual modification of hooks activation.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4767
diff changeset
   128
        self.categories = categories
8814
37fd037c0526 [session] move context manager logic in the hook controls context manager
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8813
diff changeset
   129
        self.oldmode = None
37fd037c0526 [session] move context manager logic in the hook controls context manager
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8813
diff changeset
   130
        self.changes = ()
4834
b718626a0e60 move hooks activation control on session object, so we can have a per transaction control. Added a new `hooks_control` context manager for usual modification of hooks activation.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4767
diff changeset
   131
b718626a0e60 move hooks activation control on session object, so we can have a per transaction control. Added a new `hooks_control` context manager for usual modification of hooks activation.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4767
diff changeset
   132
    def __enter__(self):
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
   133
        self.oldmode = self.cnx.hooks_mode
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
   134
        self.cnx.hooks_mode = self.mode
8814
37fd037c0526 [session] move context manager logic in the hook controls context manager
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8813
diff changeset
   135
        if self.mode is HOOKS_DENY_ALL:
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
   136
            self.changes = self.cnx.enable_hook_categories(*self.categories)
8814
37fd037c0526 [session] move context manager logic in the hook controls context manager
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8813
diff changeset
   137
        else:
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
   138
            self.changes = self.cnx.disable_hook_categories(*self.categories)
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
   139
        self.cnx.ctx_count += 1
4834
b718626a0e60 move hooks activation control on session object, so we can have a per transaction control. Added a new `hooks_control` context manager for usual modification of hooks activation.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4767
diff changeset
   140
b718626a0e60 move hooks activation control on session object, so we can have a per transaction control. Added a new `hooks_control` context manager for usual modification of hooks activation.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4767
diff changeset
   141
    def __exit__(self, exctype, exc, traceback):
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
   142
        self.cnx.ctx_count -= 1
9026
84c5b01ebb3e [connection] move hook control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9025
diff changeset
   143
        try:
84c5b01ebb3e [connection] move hook control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9025
diff changeset
   144
            if self.categories:
84c5b01ebb3e [connection] move hook control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9025
diff changeset
   145
                if self.mode is HOOKS_DENY_ALL:
84c5b01ebb3e [connection] move hook control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9025
diff changeset
   146
                    self.cnx.disable_hook_categories(*self.categories)
84c5b01ebb3e [connection] move hook control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9025
diff changeset
   147
                else:
84c5b01ebb3e [connection] move hook control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9025
diff changeset
   148
                    self.cnx.enable_hook_categories(*self.categories)
84c5b01ebb3e [connection] move hook control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9025
diff changeset
   149
        finally:
84c5b01ebb3e [connection] move hook control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9025
diff changeset
   150
            self.cnx.hooks_mode = self.oldmode
84c5b01ebb3e [connection] move hook control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9025
diff changeset
   151
9122
1d109fb9c67c [session] deprecate all Connection related method on session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9121
diff changeset
   152
class _session_hooks_control(_hooks_control): # XXX repoapi: remove me when
1d109fb9c67c [session] deprecate all Connection related method on session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9121
diff changeset
   153
                                              # session stop being connection
9026
84c5b01ebb3e [connection] move hook control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9025
diff changeset
   154
    """hook control context manager for session
84c5b01ebb3e [connection] move hook control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9025
diff changeset
   155
9027
b6b96d61e055 [connection] move security control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9026
diff changeset
   156
    Necessary to handle some unholy transaction scope logic."""
9026
84c5b01ebb3e [connection] move hook control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9025
diff changeset
   157
84c5b01ebb3e [connection] move hook control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9025
diff changeset
   158
84c5b01ebb3e [connection] move hook control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9025
diff changeset
   159
    def __init__(self, session, mode, *categories):
84c5b01ebb3e [connection] move hook control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9025
diff changeset
   160
        self.session = session
84c5b01ebb3e [connection] move hook control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9025
diff changeset
   161
        super_init = super(_session_hooks_control, self).__init__
9468
39b7a91a3f4c [repo] pylint cleanup, mainly of imports, with a bit of style
Julien Cristau <julien.cristau@logilab.fr>
parents: 9466
diff changeset
   162
        super_init(session._cnx, mode, *categories)
9026
84c5b01ebb3e [connection] move hook control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9025
diff changeset
   163
84c5b01ebb3e [connection] move hook control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9025
diff changeset
   164
    def __exit__(self, exctype, exc, traceback):
84c5b01ebb3e [connection] move hook control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9025
diff changeset
   165
        super_exit = super(_session_hooks_control, self).__exit__
84c5b01ebb3e [connection] move hook control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9025
diff changeset
   166
        ret = super_exit(exctype, exc, traceback)
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
   167
        if self.cnx.ctx_count == 0:
9120
fa513ac7a2a5 [session] privatise get_cnx and close_cnx
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9113
diff changeset
   168
            self.session._close_cnx(self.cnx)
9026
84c5b01ebb3e [connection] move hook control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9025
diff changeset
   169
        return ret
7350
c2452cd57026 [session] enhance session's transaction storage handling to fix cases where commit/rollback is done while in the context of hooks_control/security_enabled managers. Closes #1412648: commit or rollback during postcreate reset hooks control state
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7349
diff changeset
   170
8841
f62fb831cfe6 [session] make security_enabled API private
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8840
diff changeset
   171
@deprecated('[3.17] use <object>.security_enabled instead')
f62fb831cfe6 [session] make security_enabled API private
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8840
diff changeset
   172
def security_enabled(obj, *args, **kwargs):
f62fb831cfe6 [session] make security_enabled API private
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8840
diff changeset
   173
    return obj.security_enabled(*args, **kwargs)
7350
c2452cd57026 [session] enhance session's transaction storage handling to fix cases where commit/rollback is done while in the context of hooks_control/security_enabled managers. Closes #1412648: commit or rollback during postcreate reset hooks control state
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7349
diff changeset
   174
8841
f62fb831cfe6 [session] make security_enabled API private
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8840
diff changeset
   175
class _security_enabled(object):
8760
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
   176
    """context manager to control security w/ session.execute,
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
   177
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
   178
    By default security is disabled on queries executed on the repository
4835
13b0b96d7982 [repo] enhanced security handling: deprecates unsafe_execute, in favor of explicit read/write security control using the `enabled_security` context manager. Also code executed on the repository side is now unsafe by default.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4834
diff changeset
   179
    side.
13b0b96d7982 [repo] enhanced security handling: deprecates unsafe_execute, in favor of explicit read/write security control using the `enabled_security` context manager. Also code executed on the repository side is now unsafe by default.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4834
diff changeset
   180
    """
9027
b6b96d61e055 [connection] move security control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9026
diff changeset
   181
    def __init__(self, cnx, read=None, write=None):
b6b96d61e055 [connection] move security control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9026
diff changeset
   182
        self.cnx = cnx
4835
13b0b96d7982 [repo] enhanced security handling: deprecates unsafe_execute, in favor of explicit read/write security control using the `enabled_security` context manager. Also code executed on the repository side is now unsafe by default.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4834
diff changeset
   183
        self.read = read
13b0b96d7982 [repo] enhanced security handling: deprecates unsafe_execute, in favor of explicit read/write security control using the `enabled_security` context manager. Also code executed on the repository side is now unsafe by default.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4834
diff changeset
   184
        self.write = write
8816
fe321c0f6d13 [session] move context manager logic in the security context manager
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8815
diff changeset
   185
        self.oldread = None
fe321c0f6d13 [session] move context manager logic in the security context manager
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8815
diff changeset
   186
        self.oldwrite = None
4835
13b0b96d7982 [repo] enhanced security handling: deprecates unsafe_execute, in favor of explicit read/write security control using the `enabled_security` context manager. Also code executed on the repository side is now unsafe by default.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4834
diff changeset
   187
13b0b96d7982 [repo] enhanced security handling: deprecates unsafe_execute, in favor of explicit read/write security control using the `enabled_security` context manager. Also code executed on the repository side is now unsafe by default.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4834
diff changeset
   188
    def __enter__(self):
8816
fe321c0f6d13 [session] move context manager logic in the security context manager
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8815
diff changeset
   189
        if self.read is None:
fe321c0f6d13 [session] move context manager logic in the security context manager
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8815
diff changeset
   190
            self.oldread = None
fe321c0f6d13 [session] move context manager logic in the security context manager
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8815
diff changeset
   191
        else:
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
   192
            self.oldread = self.cnx.read_security
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
   193
            self.cnx.read_security = self.read
8816
fe321c0f6d13 [session] move context manager logic in the security context manager
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8815
diff changeset
   194
        if self.write is None:
fe321c0f6d13 [session] move context manager logic in the security context manager
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8815
diff changeset
   195
            self.oldwrite = None
fe321c0f6d13 [session] move context manager logic in the security context manager
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8815
diff changeset
   196
        else:
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
   197
            self.oldwrite = self.cnx.write_security
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
   198
            self.cnx.write_security = self.write
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
   199
        self.cnx.ctx_count += 1
4835
13b0b96d7982 [repo] enhanced security handling: deprecates unsafe_execute, in favor of explicit read/write security control using the `enabled_security` context manager. Also code executed on the repository side is now unsafe by default.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4834
diff changeset
   200
13b0b96d7982 [repo] enhanced security handling: deprecates unsafe_execute, in favor of explicit read/write security control using the `enabled_security` context manager. Also code executed on the repository side is now unsafe by default.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4834
diff changeset
   201
    def __exit__(self, exctype, exc, traceback):
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
   202
        self.cnx.ctx_count -= 1
9027
b6b96d61e055 [connection] move security control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9026
diff changeset
   203
        if self.oldread is not None:
b6b96d61e055 [connection] move security control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9026
diff changeset
   204
            self.cnx.read_security = self.oldread
b6b96d61e055 [connection] move security control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9026
diff changeset
   205
        if self.oldwrite is not None:
b6b96d61e055 [connection] move security control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9026
diff changeset
   206
            self.cnx.write_security = self.oldwrite
b6b96d61e055 [connection] move security control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9026
diff changeset
   207
b6b96d61e055 [connection] move security control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9026
diff changeset
   208
class _session_security_enabled(_security_enabled):
b6b96d61e055 [connection] move security control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9026
diff changeset
   209
    """hook security context manager for session
b6b96d61e055 [connection] move security control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9026
diff changeset
   210
b6b96d61e055 [connection] move security control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9026
diff changeset
   211
    Necessary To handle some unholy transaction scope logic."""
b6b96d61e055 [connection] move security control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9026
diff changeset
   212
b6b96d61e055 [connection] move security control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9026
diff changeset
   213
b6b96d61e055 [connection] move security control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9026
diff changeset
   214
    def __init__(self, session, read=None, write=None):
b6b96d61e055 [connection] move security control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9026
diff changeset
   215
        self.session = session
b6b96d61e055 [connection] move security control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9026
diff changeset
   216
        super_init = super(_session_security_enabled, self).__init__
9468
39b7a91a3f4c [repo] pylint cleanup, mainly of imports, with a bit of style
Julien Cristau <julien.cristau@logilab.fr>
parents: 9466
diff changeset
   217
        super_init(session._cnx, read=read, write=write)
9027
b6b96d61e055 [connection] move security control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9026
diff changeset
   218
b6b96d61e055 [connection] move security control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9026
diff changeset
   219
    def __exit__(self, exctype, exc, traceback):
b6b96d61e055 [connection] move security control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9026
diff changeset
   220
        super_exit = super(_session_security_enabled, self).__exit__
b6b96d61e055 [connection] move security control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9026
diff changeset
   221
        ret = super_exit(exctype, exc, traceback)
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
   222
        if self.cnx.ctx_count == 0:
9120
fa513ac7a2a5 [session] privatise get_cnx and close_cnx
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9113
diff changeset
   223
            self.session._close_cnx(self.cnx)
9027
b6b96d61e055 [connection] move security control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9026
diff changeset
   224
        return ret
4835
13b0b96d7982 [repo] enhanced security handling: deprecates unsafe_execute, in favor of explicit read/write security control using the `enabled_security` context manager. Also code executed on the repository side is now unsafe by default.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4834
diff changeset
   225
8765
9e9029ba2d4e [session] Move hook control constants out of the class
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8764
diff changeset
   226
HOOKS_ALLOW_ALL = object()
9e9029ba2d4e [session] Move hook control constants out of the class
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8764
diff changeset
   227
HOOKS_DENY_ALL = object()
8767
a75670ef2d87 [session] move security constant out of the class
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8766
diff changeset
   228
DEFAULT_SECURITY = object() # evaluated to true by design
4834
b718626a0e60 move hooks activation control on session object, so we can have a per transaction control. Added a new `hooks_control` context manager for usual modification of hooks activation.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4767
diff changeset
   229
8809
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   230
class SessionClosedError(RuntimeError):
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   231
    pass
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   232
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   233
class CnxSetTracker(object):
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
   234
    """Keep track of which connection use which cnxset.
8809
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   235
9402
2c48c091b6a2 merge 3.18.0 in 3.19 branch
Julien Cristau <julien.cristau@logilab.fr>
parents: 9123 9396
diff changeset
   236
    There should be one of these objects per session (including internal sessions).
8809
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   237
9402
2c48c091b6a2 merge 3.18.0 in 3.19 branch
Julien Cristau <julien.cristau@logilab.fr>
parents: 9123 9396
diff changeset
   238
    Session objects are responsible for creating their CnxSetTracker object.
8809
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   239
9402
2c48c091b6a2 merge 3.18.0 in 3.19 branch
Julien Cristau <julien.cristau@logilab.fr>
parents: 9123 9396
diff changeset
   240
    Connections should use the :meth:`record` and :meth:`forget` to inform the
9272
68744f5154c4 [server] fix a number of typos, mostly in docstrings
Julien Cristau <julien.cristau@logilab.fr>
parents: 9267
diff changeset
   241
    tracker of cnxsets they have acquired.
8809
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   242
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   243
    .. automethod:: cubicweb.server.session.CnxSetTracker.record
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   244
    .. automethod:: cubicweb.server.session.CnxSetTracker.forget
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   245
9272
68744f5154c4 [server] fix a number of typos, mostly in docstrings
Julien Cristau <julien.cristau@logilab.fr>
parents: 9267
diff changeset
   246
    Sessions use the :meth:`close` and :meth:`wait` methods when closing.
8809
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   247
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   248
    .. automethod:: cubicweb.server.session.CnxSetTracker.close
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   249
    .. automethod:: cubicweb.server.session.CnxSetTracker.wait
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   250
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   251
    This object itself is threadsafe. It also requires caller to acquired its
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   252
    lock in some situation.
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   253
    """
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   254
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   255
    def __init__(self):
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   256
        self._active = True
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   257
        self._condition = threading.Condition()
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   258
        self._record = {}
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   259
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   260
    def __enter__(self):
9221
e9a3a22f98b7 Use return in CnxSetTracker context manager methods
Julien Cristau <julien.cristau@logilab.fr>
parents: 9194
diff changeset
   261
        return self._condition.__enter__()
8809
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   262
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   263
    def __exit__(self, *args):
9221
e9a3a22f98b7 Use return in CnxSetTracker context manager methods
Julien Cristau <julien.cristau@logilab.fr>
parents: 9194
diff changeset
   264
        return self._condition.__exit__(*args)
8809
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   265
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
   266
    def record(self, cnxid, cnxset):
9402
2c48c091b6a2 merge 3.18.0 in 3.19 branch
Julien Cristau <julien.cristau@logilab.fr>
parents: 9123 9396
diff changeset
   267
        """Inform the tracker that a cnxid has acquired a cnxset
8809
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   268
9402
2c48c091b6a2 merge 3.18.0 in 3.19 branch
Julien Cristau <julien.cristau@logilab.fr>
parents: 9123 9396
diff changeset
   269
        This method is to be used by Connection objects.
8809
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   270
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   271
        This method fails when:
9402
2c48c091b6a2 merge 3.18.0 in 3.19 branch
Julien Cristau <julien.cristau@logilab.fr>
parents: 9123 9396
diff changeset
   272
        - The cnxid already has a recorded cnxset.
8809
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   273
        - The tracker is not active anymore.
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   274
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   275
        Notes about the caller:
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   276
        (1) It is responsible for retrieving a cnxset.
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   277
        (2) It must be prepared to release the cnxset if the
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   278
            `cnxsettracker.forget` call fails.
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   279
        (3) It should acquire the tracker lock until the very end of the operation.
9272
68744f5154c4 [server] fix a number of typos, mostly in docstrings
Julien Cristau <julien.cristau@logilab.fr>
parents: 9267
diff changeset
   280
        (4) However it must only lock the CnxSetTracker object after having
8809
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   281
            retrieved the cnxset to prevent deadlock.
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   282
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   283
        A typical usage look like::
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   284
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   285
        cnxset = repo._get_cnxset() # (1)
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   286
        try:
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   287
            with cnxset_tracker: # (3) and (4)
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   288
                cnxset_tracker.record(caller.id, cnxset)
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   289
                # (3') operation ends when caller is in expected state only
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   290
                caller.cnxset = cnxset
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   291
        except Exception:
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   292
            repo._free_cnxset(cnxset) # (2)
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   293
            raise
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   294
        """
9272
68744f5154c4 [server] fix a number of typos, mostly in docstrings
Julien Cristau <julien.cristau@logilab.fr>
parents: 9267
diff changeset
   295
        # dubious since the caller is supposed to have acquired it anyway.
8809
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   296
        with self._condition:
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   297
            if not self._active:
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   298
                raise SessionClosedError('Closed')
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
   299
            old = self._record.get(cnxid)
8809
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   300
            if old is not None:
9402
2c48c091b6a2 merge 3.18.0 in 3.19 branch
Julien Cristau <julien.cristau@logilab.fr>
parents: 9123 9396
diff changeset
   301
                raise ValueError('connection "%s" already has a cnx_set (%r)'
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
   302
                                 % (cnxid, old))
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
   303
            self._record[cnxid] = cnxset
8809
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   304
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
   305
    def forget(self, cnxid, cnxset):
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
   306
        """Inform the tracker that a cnxid have release a cnxset
8809
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   307
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
   308
        This methode is to be used by Connection object.
8809
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   309
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   310
        This method fails when:
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
   311
        - The cnxset for the cnxid does not match the recorded one.
8809
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   312
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   313
        Notes about the caller:
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   314
        (1) It is responsible for releasing the cnxset.
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   315
        (2) It should acquire the tracker lock during the operation to ensure
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   316
            the internal tracker state is always accurate regarding its own state.
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   317
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   318
        A typical usage look like::
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   319
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   320
        cnxset = caller.cnxset
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   321
        try:
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   322
            with cnxset_tracker:
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   323
                # (2) you can not have caller.cnxset out of sync with
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   324
                #     cnxset_tracker state while unlocked
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   325
                caller.cnxset = None
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   326
                cnxset_tracker.forget(caller.id, cnxset)
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   327
        finally:
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   328
            cnxset = repo._free_cnxset(cnxset) # (1)
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   329
        """
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   330
        with self._condition:
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
   331
            old = self._record.get(cnxid, None)
8809
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   332
            if old is not cnxset:
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   333
                raise ValueError('recorded cnxset for "%s" mismatch: %r != %r'
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
   334
                                 % (cnxid, old, cnxset))
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
   335
            self._record.pop(cnxid)
8809
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   336
            self._condition.notify_all()
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   337
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   338
    def close(self):
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   339
        """Marks the tracker as inactive.
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   340
9272
68744f5154c4 [server] fix a number of typos, mostly in docstrings
Julien Cristau <julien.cristau@logilab.fr>
parents: 9267
diff changeset
   341
        This method is to be used by Session objects.
8809
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   342
9272
68744f5154c4 [server] fix a number of typos, mostly in docstrings
Julien Cristau <julien.cristau@logilab.fr>
parents: 9267
diff changeset
   343
        An inactive tracker does not accept new records anymore.
8809
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   344
        """
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   345
        with self._condition:
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   346
            self._active = False
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   347
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   348
    def wait(self, timeout=10):
9272
68744f5154c4 [server] fix a number of typos, mostly in docstrings
Julien Cristau <julien.cristau@logilab.fr>
parents: 9267
diff changeset
   349
        """Wait for all recorded cnxsets to be released
8809
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   350
9272
68744f5154c4 [server] fix a number of typos, mostly in docstrings
Julien Cristau <julien.cristau@logilab.fr>
parents: 9267
diff changeset
   351
        This method is to be used by Session objects.
8809
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   352
9402
2c48c091b6a2 merge 3.18.0 in 3.19 branch
Julien Cristau <julien.cristau@logilab.fr>
parents: 9123 9396
diff changeset
   353
        Returns a tuple of connection ids that remain open.
8809
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   354
        """
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   355
        with self._condition:
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   356
            if  self._active:
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   357
                raise RuntimeError('Cannot wait on active tracker.'
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   358
                                   ' Call tracker.close() first')
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   359
            while self._record and timeout > 0:
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   360
                start = time()
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   361
                self._condition.wait(timeout)
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   362
                timeout -= time() - start
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   363
            return tuple(self._record)
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   364
9098
5467fb901931 [connection] transparent cnx_set handling
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9095
diff changeset
   365
5467fb901931 [connection] transparent cnx_set handling
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9095
diff changeset
   366
def _with_cnx_set(func):
5467fb901931 [connection] transparent cnx_set handling
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9095
diff changeset
   367
    """decorator for Connection method that ensure they run with a cnxset """
5467fb901931 [connection] transparent cnx_set handling
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9095
diff changeset
   368
    @functools.wraps(func)
5467fb901931 [connection] transparent cnx_set handling
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9095
diff changeset
   369
    def wrapper(cnx, *args, **kwargs):
5467fb901931 [connection] transparent cnx_set handling
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9095
diff changeset
   370
        with cnx.ensure_cnx_set:
5467fb901931 [connection] transparent cnx_set handling
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9095
diff changeset
   371
            return func(cnx, *args, **kwargs)
5467fb901931 [connection] transparent cnx_set handling
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9095
diff changeset
   372
    return wrapper
8762
6b397a0ba1d6 [transaction] explicit Transaction cnxset attribute
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8761
diff changeset
   373
9112
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
   374
def _open_only(func):
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
   375
    """decorator for Connection method that check it is open"""
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
   376
    @functools.wraps(func)
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
   377
    def check_open(cnx, *args, **kwargs):
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
   378
        if not cnx._open:
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
   379
            raise ProgrammingError('Closed Connection: %s'
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
   380
                                    % cnx.connectionid)
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
   381
        return func(cnx, *args, **kwargs)
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
   382
    return check_open
9098
5467fb901931 [connection] transparent cnx_set handling
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9095
diff changeset
   383
9630
e7dbc4f06a48 minor cleanups
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 9629
diff changeset
   384
9073
9574df1cd054 [Connection] inherit from RequestSessionBase
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9052
diff changeset
   385
class Connection(RequestSessionBase):
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
   386
    """Repository Connection
8762
6b397a0ba1d6 [transaction] explicit Transaction cnxset attribute
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8761
diff changeset
   387
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
   388
    Holds all connection related data
8762
6b397a0ba1d6 [transaction] explicit Transaction cnxset attribute
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8761
diff changeset
   389
9272
68744f5154c4 [server] fix a number of typos, mostly in docstrings
Julien Cristau <julien.cristau@logilab.fr>
parents: 9267
diff changeset
   390
    Database connection resources:
8762
6b397a0ba1d6 [transaction] explicit Transaction cnxset attribute
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8761
diff changeset
   391
8805
d91285fe7242 [transaction] initialize dbapi_request in __init__
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8790
diff changeset
   392
      :attr:`running_dbapi_query`, boolean flag telling if the executing query
d91285fe7242 [transaction] initialize dbapi_request in __init__
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8790
diff changeset
   393
      is coming from a dbapi connection or is a query from within the repository
d91285fe7242 [transaction] initialize dbapi_request in __init__
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8790
diff changeset
   394
8762
6b397a0ba1d6 [transaction] explicit Transaction cnxset attribute
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8761
diff changeset
   395
      :attr:`cnxset`, the connections set to use to execute queries on sources.
6b397a0ba1d6 [transaction] explicit Transaction cnxset attribute
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8761
diff changeset
   396
      If the transaction is read only, the connection set may be freed between
9402
2c48c091b6a2 merge 3.18.0 in 3.19 branch
Julien Cristau <julien.cristau@logilab.fr>
parents: 9123 9396
diff changeset
   397
      actual queries. This allows multiple connections with a reasonably low
9272
68744f5154c4 [server] fix a number of typos, mostly in docstrings
Julien Cristau <julien.cristau@logilab.fr>
parents: 9267
diff changeset
   398
      connection set pool size.  Control mechanism is detailed below.
8762
6b397a0ba1d6 [transaction] explicit Transaction cnxset attribute
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8761
diff changeset
   399
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
   400
    .. automethod:: cubicweb.server.session.Connection.set_cnxset
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
   401
    .. automethod:: cubicweb.server.session.Connection.free_cnxset
8843
ea05b8545dd8 [session/transaction] handle cnxset repository logic in transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8842
diff changeset
   402
8762
6b397a0ba1d6 [transaction] explicit Transaction cnxset attribute
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8761
diff changeset
   403
      :attr:`mode`, string telling the connections set handling mode, may be one
6b397a0ba1d6 [transaction] explicit Transaction cnxset attribute
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8761
diff changeset
   404
      of 'read' (connections set may be freed), 'write' (some write was done in
6b397a0ba1d6 [transaction] explicit Transaction cnxset attribute
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8761
diff changeset
   405
      the connections set, it can't be freed before end of the transaction),
6b397a0ba1d6 [transaction] explicit Transaction cnxset attribute
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8761
diff changeset
   406
      'transaction' (we want to keep the connections set during all the
6b397a0ba1d6 [transaction] explicit Transaction cnxset attribute
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8761
diff changeset
   407
      transaction, with or without writing)
8764
c4f022a6c7dd [transaction] initialize transaction data and state related attribute.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8763
diff changeset
   408
c4f022a6c7dd [transaction] initialize transaction data and state related attribute.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8763
diff changeset
   409
    Internal transaction data:
c4f022a6c7dd [transaction] initialize transaction data and state related attribute.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8763
diff changeset
   410
9272
68744f5154c4 [server] fix a number of typos, mostly in docstrings
Julien Cristau <julien.cristau@logilab.fr>
parents: 9267
diff changeset
   411
      :attr:`data` is a dictionary containing some shared data
8764
c4f022a6c7dd [transaction] initialize transaction data and state related attribute.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8763
diff changeset
   412
      cleared at the end of the transaction. Hooks and operations may put
c4f022a6c7dd [transaction] initialize transaction data and state related attribute.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8763
diff changeset
   413
      arbitrary data in there, and this may also be used as a communication
c4f022a6c7dd [transaction] initialize transaction data and state related attribute.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8763
diff changeset
   414
      channel between the client and the repository.
c4f022a6c7dd [transaction] initialize transaction data and state related attribute.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8763
diff changeset
   415
c4f022a6c7dd [transaction] initialize transaction data and state related attribute.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8763
diff changeset
   416
      :attr:`pending_operations`, ordered list of operations to be processed on
c4f022a6c7dd [transaction] initialize transaction data and state related attribute.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8763
diff changeset
   417
      commit/rollback
c4f022a6c7dd [transaction] initialize transaction data and state related attribute.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8763
diff changeset
   418
c4f022a6c7dd [transaction] initialize transaction data and state related attribute.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8763
diff changeset
   419
      :attr:`commit_state`, describing the transaction commit state, may be one
c4f022a6c7dd [transaction] initialize transaction data and state related attribute.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8763
diff changeset
   420
      of None (not yet committing), 'precommit' (calling precommit event on
c4f022a6c7dd [transaction] initialize transaction data and state related attribute.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8763
diff changeset
   421
      operations), 'postcommit' (calling postcommit event on operations),
c4f022a6c7dd [transaction] initialize transaction data and state related attribute.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8763
diff changeset
   422
      'uncommitable' (some :exc:`ValidationError` or :exc:`Unauthorized` error
9267
24d9b86dfa54 spelling: rollbacked -> rolled back
Rémi Cardona <remi.cardona@logilab.fr>
parents: 9240
diff changeset
   423
      has been raised during the transaction and so it must be rolled back).
8764
c4f022a6c7dd [transaction] initialize transaction data and state related attribute.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8763
diff changeset
   424
8766
db80ffb2f71c [transaction] initialize hook control attribute in Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8765
diff changeset
   425
    Hooks controls:
db80ffb2f71c [transaction] initialize hook control attribute in Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8765
diff changeset
   426
db80ffb2f71c [transaction] initialize hook control attribute in Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8765
diff changeset
   427
      :attr:`hooks_mode`, may be either `HOOKS_ALLOW_ALL` or `HOOKS_DENY_ALL`.
db80ffb2f71c [transaction] initialize hook control attribute in Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8765
diff changeset
   428
8788
194f1418bc7e [session/transaction] move hook management in transaction itself
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8787
diff changeset
   429
      :attr:`enabled_hook_cats`, when :attr:`hooks_mode` is
8766
db80ffb2f71c [transaction] initialize hook control attribute in Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8765
diff changeset
   430
      `HOOKS_DENY_ALL`, this set contains hooks categories that are enabled.
db80ffb2f71c [transaction] initialize hook control attribute in Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8765
diff changeset
   431
8788
194f1418bc7e [session/transaction] move hook management in transaction itself
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8787
diff changeset
   432
      :attr:`disabled_hook_cats`, when :attr:`hooks_mode` is
8766
db80ffb2f71c [transaction] initialize hook control attribute in Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8765
diff changeset
   433
      `HOOKS_ALLOW_ALL`, this set contains hooks categories that are disabled.
db80ffb2f71c [transaction] initialize hook control attribute in Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8765
diff changeset
   434
8768
3d105e270abc [transaction] initialize security control attribute in Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8767
diff changeset
   435
    Security level Management:
3d105e270abc [transaction] initialize security control attribute in Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8767
diff changeset
   436
3d105e270abc [transaction] initialize security control attribute in Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8767
diff changeset
   437
      :attr:`read_security` and :attr:`write_security`, boolean flags telling if
3d105e270abc [transaction] initialize security control attribute in Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8767
diff changeset
   438
      read/write security is currently activated.
3d105e270abc [transaction] initialize security control attribute in Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8767
diff changeset
   439
8762
6b397a0ba1d6 [transaction] explicit Transaction cnxset attribute
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8761
diff changeset
   440
    """
6b397a0ba1d6 [transaction] explicit Transaction cnxset attribute
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8761
diff changeset
   441
9085
af6085c9ac69 [connection] mark Connection as "not a request"
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9084
diff changeset
   442
    is_request = False
af6085c9ac69 [connection] mark Connection as "not a request"
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9084
diff changeset
   443
9109
499db4fd03f8 [connection] allow simple instantiation of standalone Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9108
diff changeset
   444
    def __init__(self, session, cnxid=None, session_handled=False):
9073
9574df1cd054 [Connection] inherit from RequestSessionBase
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9052
diff changeset
   445
        # using super(Connection, self) confuse some test hack
9574df1cd054 [Connection] inherit from RequestSessionBase
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9052
diff changeset
   446
        RequestSessionBase.__init__(self, session.vreg)
9109
499db4fd03f8 [connection] allow simple instantiation of standalone Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9108
diff changeset
   447
        # only the session provide explicite
499db4fd03f8 [connection] allow simple instantiation of standalone Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9108
diff changeset
   448
        if cnxid is not None:
499db4fd03f8 [connection] allow simple instantiation of standalone Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9108
diff changeset
   449
            assert session_handled # only session profive explicite cnxid
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
   450
        #: connection unique id
9108
6a4070e2849d [connection] handle and explicitly life cycle on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9107
diff changeset
   451
        self._open = None
9109
499db4fd03f8 [connection] allow simple instantiation of standalone Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9108
diff changeset
   452
        if cnxid is None:
9493
852f5ac90cd9 [server/session] session.id → session.sessionid
Julien Cristau <julien.cristau@logilab.fr>
parents: 9482
diff changeset
   453
            cnxid = '%s-%s' % (session.sessionid, uuid4().hex)
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
   454
        self.connectionid = cnxid
9493
852f5ac90cd9 [server/session] session.id → session.sessionid
Julien Cristau <julien.cristau@logilab.fr>
parents: 9482
diff changeset
   455
        self.sessionid = session.sessionid
9107
1e145b36edf0 [sesion] distinction between Connection handled by the session and other.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9106
diff changeset
   456
        #: self._session_handled
1e145b36edf0 [sesion] distinction between Connection handled by the session and other.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9106
diff changeset
   457
        #: are the life cycle of this Connection automatically controlled by the
1e145b36edf0 [sesion] distinction between Connection handled by the session and other.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9106
diff changeset
   458
        #: Session This is the old backward compatibility mode
1e145b36edf0 [sesion] distinction between Connection handled by the session and other.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9106
diff changeset
   459
        self._session_handled = session_handled
8760
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
   460
        #: reentrance handling
7350
c2452cd57026 [session] enhance session's transaction storage handling to fix cases where commit/rollback is done while in the context of hooks_control/security_enabled managers. Closes #1412648: commit or rollback during postcreate reset hooks control state
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7349
diff changeset
   461
        self.ctx_count = 0
9098
5467fb901931 [connection] transparent cnx_set handling
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9095
diff changeset
   462
        #: count the number of entry in a context needing a cnxset
5467fb901931 [connection] transparent cnx_set handling
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9095
diff changeset
   463
        self._cnxset_count = 0
5467fb901931 [connection] transparent cnx_set handling
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9095
diff changeset
   464
        #: Boolean for compat with the older explicite set_cnxset/free_cnx API
5467fb901931 [connection] transparent cnx_set handling
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9095
diff changeset
   465
        #: When a call set_cnxset is done, no automatic freeing will be done
5467fb901931 [connection] transparent cnx_set handling
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9095
diff changeset
   466
        #: until free_cnx is called.
5467fb901931 [connection] transparent cnx_set handling
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9095
diff changeset
   467
        self._auto_free_cnx_set = True
7350
c2452cd57026 [session] enhance session's transaction storage handling to fix cases where commit/rollback is done while in the context of hooks_control/security_enabled managers. Closes #1412648: commit or rollback during postcreate reset hooks control state
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7349
diff changeset
   468
8842
63fa6b02b241 [transaction] keep a reference to the repo object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8841
diff changeset
   469
        #: server.Repository object
63fa6b02b241 [transaction] keep a reference to the repo object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8841
diff changeset
   470
        self.repo = session.repo
8845
667cc27e9d12 [session/transaction] move resource accessors on Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8844
diff changeset
   471
        self.vreg = self.repo.vreg
9086
1084843ab2cb [connection] move execute
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9085
diff changeset
   472
        self._execute = self.repo.querier.execute
8842
63fa6b02b241 [transaction] keep a reference to the repo object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8841
diff changeset
   473
9089
b4c12d2873f6 [connection] Connection.execute touch Session timestamp
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9088
diff changeset
   474
        # other session utility
b4c12d2873f6 [connection] Connection.execute touch Session timestamp
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9088
diff changeset
   475
        self._session_timestamp = session._timestamp
8842
63fa6b02b241 [transaction] keep a reference to the repo object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8841
diff changeset
   476
8762
6b397a0ba1d6 [transaction] explicit Transaction cnxset attribute
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8761
diff changeset
   477
        #: connection handling mode
8810
1a25bdd49f9a [session/transaction] pass the session object to the Transaction __init__
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8809
diff changeset
   478
        self.mode = session.default_mode
8762
6b397a0ba1d6 [transaction] explicit Transaction cnxset attribute
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8761
diff changeset
   479
        #: connection set used to execute queries on sources
8809
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   480
        self._cnxset = None
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   481
        #: CnxSetTracker used to report cnxset usage
8810
1a25bdd49f9a [session/transaction] pass the session object to the Transaction __init__
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8809
diff changeset
   482
        self._cnxset_tracker = session._cnxset_tracker
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
   483
        #: is this connection from a client or internal to the repo
8805
d91285fe7242 [transaction] initialize dbapi_request in __init__
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8790
diff changeset
   484
        self.running_dbapi_query = True
9023
67f242261dd3 [connection] give access to is_internal_session boolean
pierre-yves
parents: 9022
diff changeset
   485
        # internal (root) session
67f242261dd3 [connection] give access to is_internal_session boolean
pierre-yves
parents: 9022
diff changeset
   486
        self.is_internal_session = session.is_internal_session
4834
b718626a0e60 move hooks activation control on session object, so we can have a per transaction control. Added a new `hooks_control` context manager for usual modification of hooks activation.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4767
diff changeset
   487
8764
c4f022a6c7dd [transaction] initialize transaction data and state related attribute.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8763
diff changeset
   488
        #: dict containing arbitrary data cleared at the end of the transaction
9024
701b19785f1d [connection] reinstall cnx.data as cnx.transaction_data
pierre-yves
parents: 9023
diff changeset
   489
        self.transaction_data = {}
9078
cfefd64c7039 [connection] give access to shared data method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9077
diff changeset
   490
        self._session_data = session.data
8764
c4f022a6c7dd [transaction] initialize transaction data and state related attribute.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8763
diff changeset
   491
        #: ordered list of operations to be processed on commit/rollback
c4f022a6c7dd [transaction] initialize transaction data and state related attribute.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8763
diff changeset
   492
        self.pending_operations = []
c4f022a6c7dd [transaction] initialize transaction data and state related attribute.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8763
diff changeset
   493
        #: (None, 'precommit', 'postcommit', 'uncommitable')
c4f022a6c7dd [transaction] initialize transaction data and state related attribute.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8763
diff changeset
   494
        self.commit_state = None
c4f022a6c7dd [transaction] initialize transaction data and state related attribute.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8763
diff changeset
   495
8766
db80ffb2f71c [transaction] initialize hook control attribute in Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8765
diff changeset
   496
        ### hook control attribute
db80ffb2f71c [transaction] initialize hook control attribute in Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8765
diff changeset
   497
        self.hooks_mode = HOOKS_ALLOW_ALL
db80ffb2f71c [transaction] initialize hook control attribute in Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8765
diff changeset
   498
        self.disabled_hook_cats = set()
db80ffb2f71c [transaction] initialize hook control attribute in Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8765
diff changeset
   499
        self.enabled_hook_cats = set()
db80ffb2f71c [transaction] initialize hook control attribute in Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8765
diff changeset
   500
        self.pruned_hooks_cache = {}
db80ffb2f71c [transaction] initialize hook control attribute in Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8765
diff changeset
   501
db80ffb2f71c [transaction] initialize hook control attribute in Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8765
diff changeset
   502
8768
3d105e270abc [transaction] initialize security control attribute in Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8767
diff changeset
   503
        ### security control attributes
8806
8ca4b323223c [session/transaction] move read_security subtlety in transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8805
diff changeset
   504
        self._read_security = DEFAULT_SECURITY # handled by a property
8768
3d105e270abc [transaction] initialize security control attribute in Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8767
diff changeset
   505
        self.write_security = DEFAULT_SECURITY
3d105e270abc [transaction] initialize security control attribute in Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8767
diff changeset
   506
8812
52af67a2f0a5 [session/transaction] move most undo support into transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8811
diff changeset
   507
        # undo control
52af67a2f0a5 [session/transaction] move most undo support into transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8811
diff changeset
   508
        config = session.repo.config
52af67a2f0a5 [session/transaction] move most undo support into transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8811
diff changeset
   509
        if config.creating or config.repairing or session.is_internal_session:
52af67a2f0a5 [session/transaction] move most undo support into transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8811
diff changeset
   510
            self.undo_actions = False
52af67a2f0a5 [session/transaction] move most undo support into transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8811
diff changeset
   511
        else:
52af67a2f0a5 [session/transaction] move most undo support into transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8811
diff changeset
   512
            self.undo_actions = config['undo-enabled']
52af67a2f0a5 [session/transaction] move most undo support into transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8811
diff changeset
   513
8769
1672502ac204 [transaction] move RQLRewriter in Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8768
diff changeset
   514
        # RQLRewriter are not thread safe
9090
e33ff287f082 [connection] pass a Connection object to RQLRewriter
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9089
diff changeset
   515
        self._rewriter = RQLRewriter(self)
8769
1672502ac204 [transaction] move RQLRewriter in Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8768
diff changeset
   516
9088
04ceb4268b3b [connection] Connection now call _set_user to CWUser object linked to itseld
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9087
diff changeset
   517
        # other session utility
04ceb4268b3b [connection] Connection now call _set_user to CWUser object linked to itseld
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9087
diff changeset
   518
        if session.user.login == '__internal_manager__':
04ceb4268b3b [connection] Connection now call _set_user to CWUser object linked to itseld
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9087
diff changeset
   519
            self.user = session.user
9764
e81facdef9b5 [connection] set language on new Connection for the internal manager
Julien Cristau <julien.cristau@logilab.fr>
parents: 9721
diff changeset
   520
            self.set_language(self.user.prefered_language())
9088
04ceb4268b3b [connection] Connection now call _set_user to CWUser object linked to itseld
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9087
diff changeset
   521
        else:
04ceb4268b3b [connection] Connection now call _set_user to CWUser object linked to itseld
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9087
diff changeset
   522
            self._set_user(session.user)
9078
cfefd64c7039 [connection] give access to shared data method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9077
diff changeset
   523
9089
b4c12d2873f6 [connection] Connection.execute touch Session timestamp
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9088
diff changeset
   524
9108
6a4070e2849d [connection] handle and explicitly life cycle on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9107
diff changeset
   525
    # live cycle handling ####################################################
6a4070e2849d [connection] handle and explicitly life cycle on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9107
diff changeset
   526
6a4070e2849d [connection] handle and explicitly life cycle on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9107
diff changeset
   527
    def __enter__(self):
6a4070e2849d [connection] handle and explicitly life cycle on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9107
diff changeset
   528
        assert self._open is None # first opening
6a4070e2849d [connection] handle and explicitly life cycle on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9107
diff changeset
   529
        self._open = True
6a4070e2849d [connection] handle and explicitly life cycle on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9107
diff changeset
   530
        return self
6a4070e2849d [connection] handle and explicitly life cycle on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9107
diff changeset
   531
6a4070e2849d [connection] handle and explicitly life cycle on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9107
diff changeset
   532
    def __exit__(self, exctype=None, excvalue=None, tb=None):
6a4070e2849d [connection] handle and explicitly life cycle on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9107
diff changeset
   533
        assert self._open # actually already open
9684
a6b084ea4c5b [server/session] make commit/rollback obey ensure_cnx_set
Julien Cristau <julien.cristau@logilab.fr>
parents: 9630
diff changeset
   534
        assert self._cnxset_count == 0
9495
0ae4e6d7ce2f [server/session] use _free_cnxset instead of free_cnxset to avoid warnings
Julien Cristau <julien.cristau@logilab.fr>
parents: 9493
diff changeset
   535
        self._free_cnxset(ignoremode=True)
9108
6a4070e2849d [connection] handle and explicitly life cycle on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9107
diff changeset
   536
        self.clear()
6a4070e2849d [connection] handle and explicitly life cycle on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9107
diff changeset
   537
        self._open = False
6a4070e2849d [connection] handle and explicitly life cycle on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9107
diff changeset
   538
6a4070e2849d [connection] handle and explicitly life cycle on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9107
diff changeset
   539
6a4070e2849d [connection] handle and explicitly life cycle on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9107
diff changeset
   540
9078
cfefd64c7039 [connection] give access to shared data method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9077
diff changeset
   541
    # shared data handling ###################################################
8769
1672502ac204 [transaction] move RQLRewriter in Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8768
diff changeset
   542
8779
9b2f68916474 [transaction] rename transaction_data to data
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8778
diff changeset
   543
    @property
9078
cfefd64c7039 [connection] give access to shared data method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9077
diff changeset
   544
    def data(self):
cfefd64c7039 [connection] give access to shared data method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9077
diff changeset
   545
        return self._session_data
cfefd64c7039 [connection] give access to shared data method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9077
diff changeset
   546
9083
fe254c803ed1 [connection] have rql_rewriter accession on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9082
diff changeset
   547
    @property
fe254c803ed1 [connection] have rql_rewriter accession on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9082
diff changeset
   548
    def rql_rewriter(self):
fe254c803ed1 [connection] have rql_rewriter accession on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9082
diff changeset
   549
        return self._rewriter
fe254c803ed1 [connection] have rql_rewriter accession on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9082
diff changeset
   550
9112
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
   551
    @_open_only
9774
b7b71be569cf deprecate get/set_shared_data API
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9764
diff changeset
   552
    @deprecated('[3.19] use session or transaction data')
9078
cfefd64c7039 [connection] give access to shared data method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9077
diff changeset
   553
    def get_shared_data(self, key, default=None, pop=False, txdata=False):
cfefd64c7039 [connection] give access to shared data method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9077
diff changeset
   554
        """return value associated to `key` in session data"""
cfefd64c7039 [connection] give access to shared data method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9077
diff changeset
   555
        if txdata:
cfefd64c7039 [connection] give access to shared data method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9077
diff changeset
   556
            data = self.transaction_data
cfefd64c7039 [connection] give access to shared data method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9077
diff changeset
   557
        else:
cfefd64c7039 [connection] give access to shared data method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9077
diff changeset
   558
            data = self._session_data
cfefd64c7039 [connection] give access to shared data method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9077
diff changeset
   559
        if pop:
cfefd64c7039 [connection] give access to shared data method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9077
diff changeset
   560
            return data.pop(key, default)
cfefd64c7039 [connection] give access to shared data method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9077
diff changeset
   561
        else:
cfefd64c7039 [connection] give access to shared data method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9077
diff changeset
   562
            return data.get(key, default)
cfefd64c7039 [connection] give access to shared data method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9077
diff changeset
   563
9112
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
   564
    @_open_only
9774
b7b71be569cf deprecate get/set_shared_data API
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9764
diff changeset
   565
    @deprecated('[3.19] use session or transaction data')
9078
cfefd64c7039 [connection] give access to shared data method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9077
diff changeset
   566
    def set_shared_data(self, key, value, txdata=False):
cfefd64c7039 [connection] give access to shared data method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9077
diff changeset
   567
        """set value associated to `key` in session data"""
cfefd64c7039 [connection] give access to shared data method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9077
diff changeset
   568
        if txdata:
cfefd64c7039 [connection] give access to shared data method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9077
diff changeset
   569
            self.transaction_data[key] = value
cfefd64c7039 [connection] give access to shared data method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9077
diff changeset
   570
        else:
cfefd64c7039 [connection] give access to shared data method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9077
diff changeset
   571
            self._session_data[key] = value
4835
13b0b96d7982 [repo] enhanced security handling: deprecates unsafe_execute, in favor of explicit read/write security control using the `enabled_security` context manager. Also code executed on the repository side is now unsafe by default.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4834
diff changeset
   572
8764
c4f022a6c7dd [transaction] initialize transaction data and state related attribute.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8763
diff changeset
   573
    def clear(self):
c4f022a6c7dd [transaction] initialize transaction data and state related attribute.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8763
diff changeset
   574
        """reset internal data"""
9024
701b19785f1d [connection] reinstall cnx.data as cnx.transaction_data
pierre-yves
parents: 9023
diff changeset
   575
        self.transaction_data = {}
8764
c4f022a6c7dd [transaction] initialize transaction data and state related attribute.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8763
diff changeset
   576
        #: ordered list of operations to be processed on commit/rollback
c4f022a6c7dd [transaction] initialize transaction data and state related attribute.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8763
diff changeset
   577
        self.pending_operations = []
c4f022a6c7dd [transaction] initialize transaction data and state related attribute.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8763
diff changeset
   578
        #: (None, 'precommit', 'postcommit', 'uncommitable')
c4f022a6c7dd [transaction] initialize transaction data and state related attribute.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8763
diff changeset
   579
        self.commit_state = None
8766
db80ffb2f71c [transaction] initialize hook control attribute in Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8765
diff changeset
   580
        self.pruned_hooks_cache = {}
9082
a2c6d908edeb [connection] move local_perm_cache management on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9081
diff changeset
   581
        self.local_perm_cache.clear()
9090
e33ff287f082 [connection] pass a Connection object to RQLRewriter
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9089
diff changeset
   582
        self.rewriter = RQLRewriter(self)
9272
68744f5154c4 [server] fix a number of typos, mostly in docstrings
Julien Cristau <julien.cristau@logilab.fr>
parents: 9267
diff changeset
   583
8809
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   584
    # Connection Set Management ###############################################
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   585
    @property
9112
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
   586
    @_open_only
8809
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   587
    def cnxset(self):
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   588
        return self._cnxset
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   589
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   590
    @cnxset.setter
9112
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
   591
    @_open_only
8809
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   592
    def cnxset(self, new_cnxset):
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   593
        with self._cnxset_tracker:
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   594
            old_cnxset = self._cnxset
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   595
            if new_cnxset is old_cnxset:
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   596
                return #nothing to do
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   597
            if old_cnxset is not None:
9707
4a23058e4d9f [server/session] add missing rollback when freeing a db connection
Julien Cristau <julien.cristau@logilab.fr>
parents: 9684
diff changeset
   598
                old_cnxset.rollback()
8809
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   599
                self._cnxset = None
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   600
                self.ctx_count -= 1
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
   601
                self._cnxset_tracker.forget(self.connectionid, old_cnxset)
8809
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   602
            if new_cnxset is not None:
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
   603
                self._cnxset_tracker.record(self.connectionid, new_cnxset)
8809
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   604
                self._cnxset = new_cnxset
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
   605
                self.ctx_count += 1
8764
c4f022a6c7dd [transaction] initialize transaction data and state related attribute.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8763
diff changeset
   606
9112
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
   607
    @_open_only
9098
5467fb901931 [connection] transparent cnx_set handling
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9095
diff changeset
   608
    def _set_cnxset(self):
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
   609
        """the connection need a connections set to execute some queries"""
8843
ea05b8545dd8 [session/transaction] handle cnxset repository logic in transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8842
diff changeset
   610
        if self.cnxset is None:
ea05b8545dd8 [session/transaction] handle cnxset repository logic in transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8842
diff changeset
   611
            cnxset = self.repo._get_cnxset()
ea05b8545dd8 [session/transaction] handle cnxset repository logic in transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8842
diff changeset
   612
            try:
ea05b8545dd8 [session/transaction] handle cnxset repository logic in transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8842
diff changeset
   613
                self.cnxset = cnxset
ea05b8545dd8 [session/transaction] handle cnxset repository logic in transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8842
diff changeset
   614
            except:
ea05b8545dd8 [session/transaction] handle cnxset repository logic in transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8842
diff changeset
   615
                self.repo._free_cnxset(cnxset)
ea05b8545dd8 [session/transaction] handle cnxset repository logic in transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8842
diff changeset
   616
                raise
ea05b8545dd8 [session/transaction] handle cnxset repository logic in transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8842
diff changeset
   617
        return self.cnxset
ea05b8545dd8 [session/transaction] handle cnxset repository logic in transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8842
diff changeset
   618
9112
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
   619
    @_open_only
9098
5467fb901931 [connection] transparent cnx_set handling
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9095
diff changeset
   620
    def _free_cnxset(self, ignoremode=False):
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
   621
        """the connection is no longer using its connections set, at least for some time"""
8843
ea05b8545dd8 [session/transaction] handle cnxset repository logic in transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8842
diff changeset
   622
        # cnxset may be none if no operation has been done since last commit
ea05b8545dd8 [session/transaction] handle cnxset repository logic in transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8842
diff changeset
   623
        # or rollback
ea05b8545dd8 [session/transaction] handle cnxset repository logic in transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8842
diff changeset
   624
        cnxset = self.cnxset
ea05b8545dd8 [session/transaction] handle cnxset repository logic in transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8842
diff changeset
   625
        if cnxset is not None and (ignoremode or self.mode == 'read'):
9684
a6b084ea4c5b [server/session] make commit/rollback obey ensure_cnx_set
Julien Cristau <julien.cristau@logilab.fr>
parents: 9630
diff changeset
   626
            assert self._cnxset_count == 0
8843
ea05b8545dd8 [session/transaction] handle cnxset repository logic in transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8842
diff changeset
   627
            try:
ea05b8545dd8 [session/transaction] handle cnxset repository logic in transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8842
diff changeset
   628
                self.cnxset = None
ea05b8545dd8 [session/transaction] handle cnxset repository logic in transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8842
diff changeset
   629
            finally:
ea05b8545dd8 [session/transaction] handle cnxset repository logic in transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8842
diff changeset
   630
                cnxset.cnxset_freed()
ea05b8545dd8 [session/transaction] handle cnxset repository logic in transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8842
diff changeset
   631
                self.repo._free_cnxset(cnxset)
ea05b8545dd8 [session/transaction] handle cnxset repository logic in transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8842
diff changeset
   632
9404
3e3e9b37e177 fix version number: we still target cw 3.19
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9403
diff changeset
   633
    @deprecated('[3.19] cnxset are automatically managed now.'
9123
c992811edec2 [connection] deprecated free_cnset and set_cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9122
diff changeset
   634
                ' stop using explicit set and free.')
9098
5467fb901931 [connection] transparent cnx_set handling
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9095
diff changeset
   635
    def set_cnxset(self):
5467fb901931 [connection] transparent cnx_set handling
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9095
diff changeset
   636
        self._auto_free_cnx_set = False
5467fb901931 [connection] transparent cnx_set handling
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9095
diff changeset
   637
        return self._set_cnxset()
5467fb901931 [connection] transparent cnx_set handling
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9095
diff changeset
   638
9404
3e3e9b37e177 fix version number: we still target cw 3.19
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9403
diff changeset
   639
    @deprecated('[3.19] cnxset are automatically managed now.'
9123
c992811edec2 [connection] deprecated free_cnset and set_cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9122
diff changeset
   640
                ' stop using explicit set and free.')
9098
5467fb901931 [connection] transparent cnx_set handling
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9095
diff changeset
   641
    def free_cnxset(self, ignoremode=False):
5467fb901931 [connection] transparent cnx_set handling
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9095
diff changeset
   642
        self._auto_free_cnx_set = True
5467fb901931 [connection] transparent cnx_set handling
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9095
diff changeset
   643
        return self._free_cnxset(ignoremode=ignoremode)
5467fb901931 [connection] transparent cnx_set handling
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9095
diff changeset
   644
5467fb901931 [connection] transparent cnx_set handling
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9095
diff changeset
   645
5467fb901931 [connection] transparent cnx_set handling
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9095
diff changeset
   646
    @property
5467fb901931 [connection] transparent cnx_set handling
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9095
diff changeset
   647
    @contextmanager
9112
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
   648
    @_open_only
9098
5467fb901931 [connection] transparent cnx_set handling
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9095
diff changeset
   649
    def ensure_cnx_set(self):
5467fb901931 [connection] transparent cnx_set handling
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9095
diff changeset
   650
        assert self._cnxset_count >= 0
5467fb901931 [connection] transparent cnx_set handling
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9095
diff changeset
   651
        if self._cnxset_count == 0:
5467fb901931 [connection] transparent cnx_set handling
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9095
diff changeset
   652
            self._set_cnxset()
5467fb901931 [connection] transparent cnx_set handling
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9095
diff changeset
   653
        try:
5467fb901931 [connection] transparent cnx_set handling
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9095
diff changeset
   654
            self._cnxset_count += 1
5467fb901931 [connection] transparent cnx_set handling
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9095
diff changeset
   655
            yield
5467fb901931 [connection] transparent cnx_set handling
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9095
diff changeset
   656
        finally:
5467fb901931 [connection] transparent cnx_set handling
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9095
diff changeset
   657
            self._cnxset_count = max(self._cnxset_count - 1, 0)
5467fb901931 [connection] transparent cnx_set handling
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9095
diff changeset
   658
            if self._cnxset_count == 0 and self._auto_free_cnx_set:
5467fb901931 [connection] transparent cnx_set handling
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9095
diff changeset
   659
                self._free_cnxset()
5467fb901931 [connection] transparent cnx_set handling
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9095
diff changeset
   660
8843
ea05b8545dd8 [session/transaction] handle cnxset repository logic in transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8842
diff changeset
   661
8783
c024365ac8ac [session/transaction] move entity cache management on session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8782
diff changeset
   662
    # Entity cache management #################################################
c024365ac8ac [session/transaction] move entity cache management on session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8782
diff changeset
   663
    #
9402
2c48c091b6a2 merge 3.18.0 in 3.19 branch
Julien Cristau <julien.cristau@logilab.fr>
parents: 9123 9396
diff changeset
   664
    # The connection entity cache as held in cnx.transaction_data is removed at the
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
   665
    # end of the connection (commit and rollback)
8783
c024365ac8ac [session/transaction] move entity cache management on session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8782
diff changeset
   666
    #
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
   667
    # XXX connection level caching may be a pb with multiple repository
8783
c024365ac8ac [session/transaction] move entity cache management on session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8782
diff changeset
   668
    # instances, but 1. this is probably not the only one :$ and 2. it may be
c024365ac8ac [session/transaction] move entity cache management on session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8782
diff changeset
   669
    # an acceptable risk. Anyway we could activate it or not according to a
c024365ac8ac [session/transaction] move entity cache management on session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8782
diff changeset
   670
    # configuration option
c024365ac8ac [session/transaction] move entity cache management on session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8782
diff changeset
   671
c024365ac8ac [session/transaction] move entity cache management on session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8782
diff changeset
   672
    def set_entity_cache(self, entity):
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
   673
        """Add `entity` to the connection entity cache"""
9113
af6efc15fc90 [repository] add an ``internal_cnx`` method to replace ``internal_session``
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9112
diff changeset
   674
        # XXX not using _open_only because before at creation time. _set_user
9112
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
   675
        # call this function to cache the Connection user.
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
   676
        if entity.cw_etype != 'CWUser' and not self._open:
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
   677
            raise ProgrammingError('Closed Connection: %s'
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
   678
                                    % self.connectionid)
9024
701b19785f1d [connection] reinstall cnx.data as cnx.transaction_data
pierre-yves
parents: 9023
diff changeset
   679
        ecache = self.transaction_data.setdefault('ecache', {})
8784
07f453bf72e8 [transaction] small simplification in ecache code
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8783
diff changeset
   680
        ecache.setdefault(entity.eid, entity)
8783
c024365ac8ac [session/transaction] move entity cache management on session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8782
diff changeset
   681
9112
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
   682
    @_open_only
8783
c024365ac8ac [session/transaction] move entity cache management on session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8782
diff changeset
   683
    def entity_cache(self, eid):
c024365ac8ac [session/transaction] move entity cache management on session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8782
diff changeset
   684
        """get cache entity for `eid`"""
9024
701b19785f1d [connection] reinstall cnx.data as cnx.transaction_data
pierre-yves
parents: 9023
diff changeset
   685
        return self.transaction_data['ecache'][eid]
8783
c024365ac8ac [session/transaction] move entity cache management on session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8782
diff changeset
   686
9112
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
   687
    @_open_only
8783
c024365ac8ac [session/transaction] move entity cache management on session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8782
diff changeset
   688
    def cached_entities(self):
c024365ac8ac [session/transaction] move entity cache management on session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8782
diff changeset
   689
        """return the whole entity cache"""
9024
701b19785f1d [connection] reinstall cnx.data as cnx.transaction_data
pierre-yves
parents: 9023
diff changeset
   690
        return self.transaction_data.get('ecache', {}).values()
8783
c024365ac8ac [session/transaction] move entity cache management on session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8782
diff changeset
   691
9112
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
   692
    @_open_only
8783
c024365ac8ac [session/transaction] move entity cache management on session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8782
diff changeset
   693
    def drop_entity_cache(self, eid=None):
c024365ac8ac [session/transaction] move entity cache management on session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8782
diff changeset
   694
        """drop entity from the cache
c024365ac8ac [session/transaction] move entity cache management on session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8782
diff changeset
   695
c024365ac8ac [session/transaction] move entity cache management on session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8782
diff changeset
   696
        If eid is None, the whole cache is dropped"""
c024365ac8ac [session/transaction] move entity cache management on session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8782
diff changeset
   697
        if eid is None:
9024
701b19785f1d [connection] reinstall cnx.data as cnx.transaction_data
pierre-yves
parents: 9023
diff changeset
   698
            self.transaction_data.pop('ecache', None)
8783
c024365ac8ac [session/transaction] move entity cache management on session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8782
diff changeset
   699
        else:
9024
701b19785f1d [connection] reinstall cnx.data as cnx.transaction_data
pierre-yves
parents: 9023
diff changeset
   700
            del self.transaction_data['ecache'][eid]
8783
c024365ac8ac [session/transaction] move entity cache management on session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8782
diff changeset
   701
9079
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   702
    # relations handling #######################################################
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   703
9112
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
   704
    @_open_only
9079
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   705
    def add_relation(self, fromeid, rtype, toeid):
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   706
        """provide direct access to the repository method to add a relation.
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   707
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   708
        This is equivalent to the following rql query:
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   709
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   710
          SET X rtype Y WHERE X eid  fromeid, T eid toeid
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   711
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   712
        without read security check but also all the burden of rql execution.
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   713
        You may use this in hooks when you know both eids of the relation you
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   714
        want to add.
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   715
        """
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   716
        self.add_relations([(rtype, [(fromeid,  toeid)])])
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   717
9112
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
   718
    @_open_only
9079
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   719
    def add_relations(self, relations):
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   720
        '''set many relation using a shortcut similar to the one in add_relation
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   721
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   722
        relations is a list of 2-uples, the first element of each
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   723
        2-uple is the rtype, and the second is a list of (fromeid,
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   724
        toeid) tuples
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   725
        '''
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   726
        edited_entities = {}
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   727
        relations_dict = {}
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   728
        with self.security_enabled(False, False):
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   729
            for rtype, eids in relations:
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   730
                if self.vreg.schema[rtype].inlined:
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   731
                    for fromeid, toeid in eids:
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   732
                        if fromeid not in edited_entities:
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   733
                            entity = self.entity_from_eid(fromeid)
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   734
                            edited = EditedEntity(entity)
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   735
                            edited_entities[fromeid] = edited
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   736
                        else:
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   737
                            edited = edited_entities[fromeid]
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   738
                        edited.edited_attribute(rtype, toeid)
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   739
                else:
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   740
                    relations_dict[rtype] = eids
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   741
            self.repo.glob_add_relations(self, relations_dict)
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   742
            for edited in edited_entities.itervalues():
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   743
                self.repo.glob_update_entity(self, edited)
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   744
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   745
9112
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
   746
    @_open_only
9079
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   747
    def delete_relation(self, fromeid, rtype, toeid):
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   748
        """provide direct access to the repository method to delete a relation.
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   749
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   750
        This is equivalent to the following rql query:
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   751
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   752
          DELETE X rtype Y WHERE X eid  fromeid, T eid toeid
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   753
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   754
        without read security check but also all the burden of rql execution.
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   755
        You may use this in hooks when you know both eids of the relation you
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   756
        want to delete.
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   757
        """
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   758
        with self.security_enabled(False, False):
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   759
            if self.vreg.schema[rtype].inlined:
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   760
                entity = self.entity_from_eid(fromeid)
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   761
                entity.cw_attr_cache[rtype] = None
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   762
                self.repo.glob_update_entity(self, entity, set((rtype,)))
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   763
            else:
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   764
                self.repo.glob_delete_relation(self, fromeid, rtype, toeid)
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
   765
9077
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   766
    # relations cache handling #################################################
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   767
9112
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
   768
    @_open_only
9077
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   769
    def update_rel_cache_add(self, subject, rtype, object, symmetric=False):
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   770
        self._update_entity_rel_cache_add(subject, rtype, 'subject', object)
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   771
        if symmetric:
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   772
            self._update_entity_rel_cache_add(object, rtype, 'subject', subject)
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   773
        else:
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   774
            self._update_entity_rel_cache_add(object, rtype, 'object', subject)
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   775
9112
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
   776
    @_open_only
9077
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   777
    def update_rel_cache_del(self, subject, rtype, object, symmetric=False):
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   778
        self._update_entity_rel_cache_del(subject, rtype, 'subject', object)
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   779
        if symmetric:
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   780
            self._update_entity_rel_cache_del(object, rtype, 'object', object)
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   781
        else:
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   782
            self._update_entity_rel_cache_del(object, rtype, 'object', subject)
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   783
9112
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
   784
    @_open_only
9077
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   785
    def _update_entity_rel_cache_add(self, eid, rtype, role, targeteid):
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   786
        try:
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   787
            entity = self.entity_cache(eid)
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   788
        except KeyError:
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   789
            return
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   790
        rcache = entity.cw_relation_cached(rtype, role)
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   791
        if rcache is not None:
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   792
            rset, entities = rcache
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   793
            rset = rset.copy()
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   794
            entities = list(entities)
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   795
            rset.rows.append([targeteid])
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   796
            if not isinstance(rset.description, list): # else description not set
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   797
                rset.description = list(rset.description)
9469
032825bbacab [multi-sources-removal] Drop entities.source column
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 9468
diff changeset
   798
            rset.description.append([self.entity_metas(targeteid)['type']])
9077
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   799
            targetentity = self.entity_from_eid(targeteid)
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   800
            if targetentity.cw_rset is None:
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   801
                targetentity.cw_rset = rset
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   802
                targetentity.cw_row = rset.rowcount
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   803
                targetentity.cw_col = 0
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   804
            rset.rowcount += 1
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   805
            entities.append(targetentity)
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   806
            entity._cw_related_cache['%s_%s' % (rtype, role)] = (
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   807
                rset, tuple(entities))
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   808
9112
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
   809
    @_open_only
9077
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   810
    def _update_entity_rel_cache_del(self, eid, rtype, role, targeteid):
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   811
        try:
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   812
            entity = self.entity_cache(eid)
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   813
        except KeyError:
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   814
            return
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   815
        rcache = entity.cw_relation_cached(rtype, role)
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   816
        if rcache is not None:
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   817
            rset, entities = rcache
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   818
            for idx, row in enumerate(rset.rows):
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   819
                if row[0] == targeteid:
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   820
                    break
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   821
            else:
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   822
                # this may occurs if the cache has been filed by a hook
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   823
                # after the database update
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   824
                self.debug('cache inconsistency for %s %s %s %s', eid, rtype,
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   825
                           role, targeteid)
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   826
                return
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   827
            rset = rset.copy()
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   828
            entities = list(entities)
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   829
            del rset.rows[idx]
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   830
            if isinstance(rset.description, list): # else description not set
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   831
                del rset.description[idx]
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   832
            del entities[idx]
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   833
            rset.rowcount -= 1
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   834
            entity._cw_related_cache['%s_%s' % (rtype, role)] = (
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
   835
                rset, tuple(entities))
8783
c024365ac8ac [session/transaction] move entity cache management on session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8782
diff changeset
   836
9272
68744f5154c4 [server] fix a number of typos, mostly in docstrings
Julien Cristau <julien.cristau@logilab.fr>
parents: 9267
diff changeset
   837
    # Tracking of entities added of removed in the transaction ##################
8785
8f2786492369 [session/transaction] move entity life utility on transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8784
diff changeset
   838
9112
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
   839
    @_open_only
8785
8f2786492369 [session/transaction] move entity life utility on transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8784
diff changeset
   840
    def deleted_in_transaction(self, eid):
8f2786492369 [session/transaction] move entity life utility on transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8784
diff changeset
   841
        """return True if the entity of the given eid is being deleted in the
8f2786492369 [session/transaction] move entity life utility on transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8784
diff changeset
   842
        current transaction
8f2786492369 [session/transaction] move entity life utility on transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8784
diff changeset
   843
        """
9024
701b19785f1d [connection] reinstall cnx.data as cnx.transaction_data
pierre-yves
parents: 9023
diff changeset
   844
        return eid in self.transaction_data.get('pendingeids', ())
8785
8f2786492369 [session/transaction] move entity life utility on transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8784
diff changeset
   845
9112
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
   846
    @_open_only
8785
8f2786492369 [session/transaction] move entity life utility on transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8784
diff changeset
   847
    def added_in_transaction(self, eid):
8f2786492369 [session/transaction] move entity life utility on transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8784
diff changeset
   848
        """return True if the entity of the given eid is being created in the
8f2786492369 [session/transaction] move entity life utility on transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8784
diff changeset
   849
        current transaction
8f2786492369 [session/transaction] move entity life utility on transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8784
diff changeset
   850
        """
9024
701b19785f1d [connection] reinstall cnx.data as cnx.transaction_data
pierre-yves
parents: 9023
diff changeset
   851
        return eid in self.transaction_data.get('neweids', ())
8785
8f2786492369 [session/transaction] move entity life utility on transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8784
diff changeset
   852
8786
c2bc0b804982 [session/transaction] move add operation in session code
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8785
diff changeset
   853
    # Operation management ####################################################
c2bc0b804982 [session/transaction] move add operation in session code
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8785
diff changeset
   854
9112
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
   855
    @_open_only
8786
c2bc0b804982 [session/transaction] move add operation in session code
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8785
diff changeset
   856
    def add_operation(self, operation, index=None):
c2bc0b804982 [session/transaction] move add operation in session code
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8785
diff changeset
   857
        """add an operation to be executed at the end of the transaction"""
c2bc0b804982 [session/transaction] move add operation in session code
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8785
diff changeset
   858
        if index is None:
c2bc0b804982 [session/transaction] move add operation in session code
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8785
diff changeset
   859
            self.pending_operations.append(operation)
c2bc0b804982 [session/transaction] move add operation in session code
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8785
diff changeset
   860
        else:
c2bc0b804982 [session/transaction] move add operation in session code
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8785
diff changeset
   861
            self.pending_operations.insert(index, operation)
8785
8f2786492369 [session/transaction] move entity life utility on transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8784
diff changeset
   862
8788
194f1418bc7e [session/transaction] move hook management in transaction itself
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8787
diff changeset
   863
    # Hooks control ###########################################################
194f1418bc7e [session/transaction] move hook management in transaction itself
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8787
diff changeset
   864
9112
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
   865
    @_open_only
9026
84c5b01ebb3e [connection] move hook control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9025
diff changeset
   866
    def allow_all_hooks_but(self, *categories):
84c5b01ebb3e [connection] move hook control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9025
diff changeset
   867
        return _hooks_control(self, HOOKS_ALLOW_ALL, *categories)
84c5b01ebb3e [connection] move hook control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9025
diff changeset
   868
9112
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
   869
    @_open_only
9026
84c5b01ebb3e [connection] move hook control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9025
diff changeset
   870
    def deny_all_hooks_but(self, *categories):
84c5b01ebb3e [connection] move hook control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9025
diff changeset
   871
        return _hooks_control(self, HOOKS_DENY_ALL, *categories)
84c5b01ebb3e [connection] move hook control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9025
diff changeset
   872
9112
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
   873
    @_open_only
8788
194f1418bc7e [session/transaction] move hook management in transaction itself
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8787
diff changeset
   874
    def disable_hook_categories(self, *categories):
194f1418bc7e [session/transaction] move hook management in transaction itself
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8787
diff changeset
   875
        """disable the given hook categories:
194f1418bc7e [session/transaction] move hook management in transaction itself
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8787
diff changeset
   876
194f1418bc7e [session/transaction] move hook management in transaction itself
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8787
diff changeset
   877
        - on HOOKS_DENY_ALL mode, ensure those categories are not enabled
194f1418bc7e [session/transaction] move hook management in transaction itself
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8787
diff changeset
   878
        - on HOOKS_ALLOW_ALL mode, ensure those categories are disabled
194f1418bc7e [session/transaction] move hook management in transaction itself
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8787
diff changeset
   879
        """
194f1418bc7e [session/transaction] move hook management in transaction itself
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8787
diff changeset
   880
        changes = set()
194f1418bc7e [session/transaction] move hook management in transaction itself
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8787
diff changeset
   881
        self.pruned_hooks_cache.clear()
8789
465a87e6a89a [transaction] use set operation in the hook control code
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8788
diff changeset
   882
        categories = set(categories)
8788
194f1418bc7e [session/transaction] move hook management in transaction itself
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8787
diff changeset
   883
        if self.hooks_mode is HOOKS_DENY_ALL:
194f1418bc7e [session/transaction] move hook management in transaction itself
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8787
diff changeset
   884
            enabledcats = self.enabled_hook_cats
8789
465a87e6a89a [transaction] use set operation in the hook control code
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8788
diff changeset
   885
            changes = enabledcats & categories
465a87e6a89a [transaction] use set operation in the hook control code
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8788
diff changeset
   886
            enabledcats -= changes # changes is small hence faster
8788
194f1418bc7e [session/transaction] move hook management in transaction itself
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8787
diff changeset
   887
        else:
194f1418bc7e [session/transaction] move hook management in transaction itself
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8787
diff changeset
   888
            disabledcats = self.disabled_hook_cats
8789
465a87e6a89a [transaction] use set operation in the hook control code
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8788
diff changeset
   889
            changes = categories - disabledcats
465a87e6a89a [transaction] use set operation in the hook control code
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8788
diff changeset
   890
            disabledcats |= changes # changes is small hence faster
8788
194f1418bc7e [session/transaction] move hook management in transaction itself
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8787
diff changeset
   891
        return tuple(changes)
194f1418bc7e [session/transaction] move hook management in transaction itself
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8787
diff changeset
   892
9112
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
   893
    @_open_only
8788
194f1418bc7e [session/transaction] move hook management in transaction itself
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8787
diff changeset
   894
    def enable_hook_categories(self, *categories):
194f1418bc7e [session/transaction] move hook management in transaction itself
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8787
diff changeset
   895
        """enable the given hook categories:
194f1418bc7e [session/transaction] move hook management in transaction itself
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8787
diff changeset
   896
194f1418bc7e [session/transaction] move hook management in transaction itself
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8787
diff changeset
   897
        - on HOOKS_DENY_ALL mode, ensure those categories are enabled
194f1418bc7e [session/transaction] move hook management in transaction itself
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8787
diff changeset
   898
        - on HOOKS_ALLOW_ALL mode, ensure those categories are not disabled
194f1418bc7e [session/transaction] move hook management in transaction itself
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8787
diff changeset
   899
        """
194f1418bc7e [session/transaction] move hook management in transaction itself
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8787
diff changeset
   900
        changes = set()
194f1418bc7e [session/transaction] move hook management in transaction itself
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8787
diff changeset
   901
        self.pruned_hooks_cache.clear()
8789
465a87e6a89a [transaction] use set operation in the hook control code
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8788
diff changeset
   902
        categories = set(categories)
8788
194f1418bc7e [session/transaction] move hook management in transaction itself
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8787
diff changeset
   903
        if self.hooks_mode is HOOKS_DENY_ALL:
194f1418bc7e [session/transaction] move hook management in transaction itself
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8787
diff changeset
   904
            enabledcats = self.enabled_hook_cats
8789
465a87e6a89a [transaction] use set operation in the hook control code
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8788
diff changeset
   905
            changes = categories - enabledcats
465a87e6a89a [transaction] use set operation in the hook control code
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8788
diff changeset
   906
            enabledcats |= changes # changes is small hence faster
8788
194f1418bc7e [session/transaction] move hook management in transaction itself
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8787
diff changeset
   907
        else:
194f1418bc7e [session/transaction] move hook management in transaction itself
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8787
diff changeset
   908
            disabledcats = self.disabled_hook_cats
8789
465a87e6a89a [transaction] use set operation in the hook control code
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8788
diff changeset
   909
            changes = disabledcats & categories
465a87e6a89a [transaction] use set operation in the hook control code
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8788
diff changeset
   910
            disabledcats -= changes # changes is small hence faster
8788
194f1418bc7e [session/transaction] move hook management in transaction itself
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8787
diff changeset
   911
        return tuple(changes)
194f1418bc7e [session/transaction] move hook management in transaction itself
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8787
diff changeset
   912
9112
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
   913
    @_open_only
8788
194f1418bc7e [session/transaction] move hook management in transaction itself
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8787
diff changeset
   914
    def is_hook_category_activated(self, category):
194f1418bc7e [session/transaction] move hook management in transaction itself
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8787
diff changeset
   915
        """return a boolean telling if the given category is currently activated
194f1418bc7e [session/transaction] move hook management in transaction itself
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8787
diff changeset
   916
        or not
194f1418bc7e [session/transaction] move hook management in transaction itself
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8787
diff changeset
   917
        """
194f1418bc7e [session/transaction] move hook management in transaction itself
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8787
diff changeset
   918
        if self.hooks_mode is HOOKS_DENY_ALL:
194f1418bc7e [session/transaction] move hook management in transaction itself
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8787
diff changeset
   919
            return category in self.enabled_hook_cats
194f1418bc7e [session/transaction] move hook management in transaction itself
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8787
diff changeset
   920
        return category not in self.disabled_hook_cats
194f1418bc7e [session/transaction] move hook management in transaction itself
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8787
diff changeset
   921
9112
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
   922
    @_open_only
8788
194f1418bc7e [session/transaction] move hook management in transaction itself
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8787
diff changeset
   923
    def is_hook_activated(self, hook):
194f1418bc7e [session/transaction] move hook management in transaction itself
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8787
diff changeset
   924
        """return a boolean telling if the given hook class is currently
194f1418bc7e [session/transaction] move hook management in transaction itself
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8787
diff changeset
   925
        activated or not
194f1418bc7e [session/transaction] move hook management in transaction itself
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8787
diff changeset
   926
        """
194f1418bc7e [session/transaction] move hook management in transaction itself
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8787
diff changeset
   927
        return self.is_hook_category_activated(hook.category)
194f1418bc7e [session/transaction] move hook management in transaction itself
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8787
diff changeset
   928
8806
8ca4b323223c [session/transaction] move read_security subtlety in transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8805
diff changeset
   929
    # Security management #####################################################
9027
b6b96d61e055 [connection] move security control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9026
diff changeset
   930
9112
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
   931
    @_open_only
9027
b6b96d61e055 [connection] move security control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9026
diff changeset
   932
    def security_enabled(self, read=None, write=None):
b6b96d61e055 [connection] move security control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9026
diff changeset
   933
        return _security_enabled(self, read=read, write=write)
b6b96d61e055 [connection] move security control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9026
diff changeset
   934
8806
8ca4b323223c [session/transaction] move read_security subtlety in transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8805
diff changeset
   935
    @property
9112
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
   936
    @_open_only
8806
8ca4b323223c [session/transaction] move read_security subtlety in transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8805
diff changeset
   937
    def read_security(self):
8ca4b323223c [session/transaction] move read_security subtlety in transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8805
diff changeset
   938
        return self._read_security
8ca4b323223c [session/transaction] move read_security subtlety in transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8805
diff changeset
   939
8ca4b323223c [session/transaction] move read_security subtlety in transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8805
diff changeset
   940
    @read_security.setter
9112
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
   941
    @_open_only
8806
8ca4b323223c [session/transaction] move read_security subtlety in transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8805
diff changeset
   942
    def read_security(self, activated):
8ca4b323223c [session/transaction] move read_security subtlety in transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8805
diff changeset
   943
        oldmode = self._read_security
8ca4b323223c [session/transaction] move read_security subtlety in transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8805
diff changeset
   944
        self._read_security = activated
8ca4b323223c [session/transaction] move read_security subtlety in transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8805
diff changeset
   945
        # running_dbapi_query used to detect hooks triggered by a 'dbapi' query
8ca4b323223c [session/transaction] move read_security subtlety in transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8805
diff changeset
   946
        # (eg not issued on the session). This is tricky since we the execution
8ca4b323223c [session/transaction] move read_security subtlety in transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8805
diff changeset
   947
        # model of a (write) user query is:
8ca4b323223c [session/transaction] move read_security subtlety in transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8805
diff changeset
   948
        #
8ca4b323223c [session/transaction] move read_security subtlety in transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8805
diff changeset
   949
        # repository.execute (security enabled)
8ca4b323223c [session/transaction] move read_security subtlety in transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8805
diff changeset
   950
        #  \-> querier.execute
8ca4b323223c [session/transaction] move read_security subtlety in transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8805
diff changeset
   951
        #       \-> repo.glob_xxx (add/update/delete entity/relation)
8ca4b323223c [session/transaction] move read_security subtlety in transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8805
diff changeset
   952
        #            \-> deactivate security before calling hooks
8ca4b323223c [session/transaction] move read_security subtlety in transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8805
diff changeset
   953
        #                 \-> WE WANT TO CHECK QUERY NATURE HERE
8ca4b323223c [session/transaction] move read_security subtlety in transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8805
diff changeset
   954
        #                      \-> potentially, other calls to querier.execute
8ca4b323223c [session/transaction] move read_security subtlety in transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8805
diff changeset
   955
        #
8ca4b323223c [session/transaction] move read_security subtlety in transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8805
diff changeset
   956
        # so we can't rely on simply checking session.read_security, but
8ca4b323223c [session/transaction] move read_security subtlety in transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8805
diff changeset
   957
        # recalling the first transition from DEFAULT_SECURITY to something
8ca4b323223c [session/transaction] move read_security subtlety in transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8805
diff changeset
   958
        # else (False actually) is not perfect but should be enough
8ca4b323223c [session/transaction] move read_security subtlety in transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8805
diff changeset
   959
        #
8ca4b323223c [session/transaction] move read_security subtlety in transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8805
diff changeset
   960
        # also reset running_dbapi_query to true when we go back to
8ca4b323223c [session/transaction] move read_security subtlety in transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8805
diff changeset
   961
        # DEFAULT_SECURITY
8ca4b323223c [session/transaction] move read_security subtlety in transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8805
diff changeset
   962
        self.running_dbapi_query = (oldmode is DEFAULT_SECURITY
8ca4b323223c [session/transaction] move read_security subtlety in transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8805
diff changeset
   963
                                    or activated is DEFAULT_SECURITY)
8ca4b323223c [session/transaction] move read_security subtlety in transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8805
diff changeset
   964
8812
52af67a2f0a5 [session/transaction] move most undo support into transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8811
diff changeset
   965
    # undo support ############################################################
52af67a2f0a5 [session/transaction] move most undo support into transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8811
diff changeset
   966
9112
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
   967
    @_open_only
8812
52af67a2f0a5 [session/transaction] move most undo support into transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8811
diff changeset
   968
    def ertype_supports_undo(self, ertype):
52af67a2f0a5 [session/transaction] move most undo support into transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8811
diff changeset
   969
        return self.undo_actions and ertype not in NO_UNDO_TYPES
52af67a2f0a5 [session/transaction] move most undo support into transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8811
diff changeset
   970
9112
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
   971
    @_open_only
8812
52af67a2f0a5 [session/transaction] move most undo support into transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8811
diff changeset
   972
    def transaction_uuid(self, set=True):
9024
701b19785f1d [connection] reinstall cnx.data as cnx.transaction_data
pierre-yves
parents: 9023
diff changeset
   973
        uuid = self.transaction_data.get('tx_uuid')
8812
52af67a2f0a5 [session/transaction] move most undo support into transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8811
diff changeset
   974
        if set and uuid is None:
9075
8d36838ccb3e [connection] move last part of undo logic in connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9074
diff changeset
   975
            self.transaction_data['tx_uuid'] = uuid = uuid4().hex
8d36838ccb3e [connection] move last part of undo logic in connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9074
diff changeset
   976
            self.repo.system_source.start_undoable_transaction(self, uuid)
8812
52af67a2f0a5 [session/transaction] move most undo support into transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8811
diff changeset
   977
        return uuid
52af67a2f0a5 [session/transaction] move most undo support into transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8811
diff changeset
   978
9112
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
   979
    @_open_only
8812
52af67a2f0a5 [session/transaction] move most undo support into transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8811
diff changeset
   980
    def transaction_inc_action_counter(self):
9024
701b19785f1d [connection] reinstall cnx.data as cnx.transaction_data
pierre-yves
parents: 9023
diff changeset
   981
        num = self.transaction_data.setdefault('tx_action_count', 0) + 1
701b19785f1d [connection] reinstall cnx.data as cnx.transaction_data
pierre-yves
parents: 9023
diff changeset
   982
        self.transaction_data['tx_action_count'] = num
8812
52af67a2f0a5 [session/transaction] move most undo support into transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8811
diff changeset
   983
        return num
9272
68744f5154c4 [server] fix a number of typos, mostly in docstrings
Julien Cristau <julien.cristau@logilab.fr>
parents: 9267
diff changeset
   984
8844
168cf5ef21f8 [session/transaction] move multiple utility on Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8843
diff changeset
   985
    # db-api like interface ###################################################
168cf5ef21f8 [session/transaction] move multiple utility on Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8843
diff changeset
   986
9112
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
   987
    @_open_only
8844
168cf5ef21f8 [session/transaction] move multiple utility on Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8843
diff changeset
   988
    def source_defs(self):
168cf5ef21f8 [session/transaction] move multiple utility on Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8843
diff changeset
   989
        return self.repo.source_defs()
168cf5ef21f8 [session/transaction] move multiple utility on Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8843
diff changeset
   990
9469
032825bbacab [multi-sources-removal] Drop entities.source column
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 9468
diff changeset
   991
    @deprecated('[3.19] use .entity_metas(eid) instead')
9098
5467fb901931 [connection] transparent cnx_set handling
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9095
diff changeset
   992
    @_with_cnx_set
9112
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
   993
    @_open_only
8844
168cf5ef21f8 [session/transaction] move multiple utility on Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8843
diff changeset
   994
    def describe(self, eid, asdict=False):
168cf5ef21f8 [session/transaction] move multiple utility on Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8843
diff changeset
   995
        """return a tuple (type, sourceuri, extid) for the entity with id <eid>"""
9469
032825bbacab [multi-sources-removal] Drop entities.source column
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 9468
diff changeset
   996
        etype, extid, source = self.repo.type_and_source_from_eid(eid, self)
032825bbacab [multi-sources-removal] Drop entities.source column
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 9468
diff changeset
   997
        metas = {'type': etype, 'source': source, 'extid': extid}
8844
168cf5ef21f8 [session/transaction] move multiple utility on Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8843
diff changeset
   998
        if asdict:
9469
032825bbacab [multi-sources-removal] Drop entities.source column
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 9468
diff changeset
   999
            metas['asource'] = meta['source'] # XXX pre 3.19 client compat
032825bbacab [multi-sources-removal] Drop entities.source column
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 9468
diff changeset
  1000
            return meta
032825bbacab [multi-sources-removal] Drop entities.source column
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 9468
diff changeset
  1001
        return etype, source, extid
8844
168cf5ef21f8 [session/transaction] move multiple utility on Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8843
diff changeset
  1002
9098
5467fb901931 [connection] transparent cnx_set handling
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9095
diff changeset
  1003
    @_with_cnx_set
9112
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
  1004
    @_open_only
9469
032825bbacab [multi-sources-removal] Drop entities.source column
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 9468
diff changeset
  1005
    def entity_metas(self, eid):
032825bbacab [multi-sources-removal] Drop entities.source column
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 9468
diff changeset
  1006
        """return a tuple (type, sourceuri, extid) for the entity with id <eid>"""
032825bbacab [multi-sources-removal] Drop entities.source column
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 9468
diff changeset
  1007
        etype, extid, source = self.repo.type_and_source_from_eid(eid, self)
032825bbacab [multi-sources-removal] Drop entities.source column
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 9468
diff changeset
  1008
        return {'type': etype, 'source': source, 'extid': extid}
8812
52af67a2f0a5 [session/transaction] move most undo support into transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8811
diff changeset
  1009
9086
1084843ab2cb [connection] move execute
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9085
diff changeset
  1010
    # core method #############################################################
1084843ab2cb [connection] move execute
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9085
diff changeset
  1011
9098
5467fb901931 [connection] transparent cnx_set handling
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9095
diff changeset
  1012
    @_with_cnx_set
9112
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
  1013
    @_open_only
9086
1084843ab2cb [connection] move execute
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9085
diff changeset
  1014
    def execute(self, rql, kwargs=None, eid_key=None, build_descr=True):
1084843ab2cb [connection] move execute
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9085
diff changeset
  1015
        """db-api like method directly linked to the querier execute method.
1084843ab2cb [connection] move execute
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9085
diff changeset
  1016
1084843ab2cb [connection] move execute
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9085
diff changeset
  1017
        See :meth:`cubicweb.dbapi.Cursor.execute` documentation.
1084843ab2cb [connection] move execute
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9085
diff changeset
  1018
        """
9089
b4c12d2873f6 [connection] Connection.execute touch Session timestamp
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9088
diff changeset
  1019
        self._session_timestamp.touch()
9086
1084843ab2cb [connection] move execute
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9085
diff changeset
  1020
        if eid_key is not None:
1084843ab2cb [connection] move execute
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9085
diff changeset
  1021
            warn('[3.8] eid_key is deprecated, you can safely remove this argument',
1084843ab2cb [connection] move execute
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9085
diff changeset
  1022
                 DeprecationWarning, stacklevel=2)
1084843ab2cb [connection] move execute
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9085
diff changeset
  1023
        rset = self._execute(self, rql, kwargs, build_descr)
1084843ab2cb [connection] move execute
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9085
diff changeset
  1024
        rset.req = self
9089
b4c12d2873f6 [connection] Connection.execute touch Session timestamp
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9088
diff changeset
  1025
        self._session_timestamp.touch()
9086
1084843ab2cb [connection] move execute
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9085
diff changeset
  1026
        return rset
1084843ab2cb [connection] move execute
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9085
diff changeset
  1027
9112
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
  1028
    @_open_only
9091
4a39f3f1f1d9 [connection] move the rollback method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9090
diff changeset
  1029
    def rollback(self, free_cnxset=True, reset_pool=None):
4a39f3f1f1d9 [connection] move the rollback method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9090
diff changeset
  1030
        """rollback the current transaction"""
4a39f3f1f1d9 [connection] move the rollback method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9090
diff changeset
  1031
        if reset_pool is not None:
4a39f3f1f1d9 [connection] move the rollback method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9090
diff changeset
  1032
            warn('[3.13] use free_cnxset argument instead for reset_pool',
4a39f3f1f1d9 [connection] move the rollback method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9090
diff changeset
  1033
                 DeprecationWarning, stacklevel=2)
4a39f3f1f1d9 [connection] move the rollback method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9090
diff changeset
  1034
            free_cnxset = reset_pool
9684
a6b084ea4c5b [server/session] make commit/rollback obey ensure_cnx_set
Julien Cristau <julien.cristau@logilab.fr>
parents: 9630
diff changeset
  1035
        if self._cnxset_count != 0:
a6b084ea4c5b [server/session] make commit/rollback obey ensure_cnx_set
Julien Cristau <julien.cristau@logilab.fr>
parents: 9630
diff changeset
  1036
            # we are inside ensure_cnx_set, don't lose it
a6b084ea4c5b [server/session] make commit/rollback obey ensure_cnx_set
Julien Cristau <julien.cristau@logilab.fr>
parents: 9630
diff changeset
  1037
            free_cnxset = False
9091
4a39f3f1f1d9 [connection] move the rollback method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9090
diff changeset
  1038
        cnxset = self.cnxset
4a39f3f1f1d9 [connection] move the rollback method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9090
diff changeset
  1039
        if cnxset is None:
4a39f3f1f1d9 [connection] move the rollback method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9090
diff changeset
  1040
            self.clear()
4a39f3f1f1d9 [connection] move the rollback method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9090
diff changeset
  1041
            self._session_timestamp.touch()
4a39f3f1f1d9 [connection] move the rollback method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9090
diff changeset
  1042
            self.debug('rollback transaction %s done (no db activity)', self.connectionid)
4a39f3f1f1d9 [connection] move the rollback method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9090
diff changeset
  1043
            return
4a39f3f1f1d9 [connection] move the rollback method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9090
diff changeset
  1044
        try:
4a39f3f1f1d9 [connection] move the rollback method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9090
diff changeset
  1045
            # by default, operations are executed with security turned off
4a39f3f1f1d9 [connection] move the rollback method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9090
diff changeset
  1046
            with self.security_enabled(False, False):
4a39f3f1f1d9 [connection] move the rollback method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9090
diff changeset
  1047
                while self.pending_operations:
4a39f3f1f1d9 [connection] move the rollback method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9090
diff changeset
  1048
                    try:
4a39f3f1f1d9 [connection] move the rollback method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9090
diff changeset
  1049
                        operation = self.pending_operations.pop(0)
4a39f3f1f1d9 [connection] move the rollback method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9090
diff changeset
  1050
                        operation.handle_event('rollback_event')
4a39f3f1f1d9 [connection] move the rollback method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9090
diff changeset
  1051
                    except BaseException:
4a39f3f1f1d9 [connection] move the rollback method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9090
diff changeset
  1052
                        self.critical('rollback error', exc_info=sys.exc_info())
4a39f3f1f1d9 [connection] move the rollback method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9090
diff changeset
  1053
                        continue
4a39f3f1f1d9 [connection] move the rollback method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9090
diff changeset
  1054
                cnxset.rollback()
9092
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1055
                self.debug('rollback for transaction %s done', self.connectionid)
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1056
        finally:
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1057
            self._session_timestamp.touch()
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1058
            if free_cnxset:
9495
0ae4e6d7ce2f [server/session] use _free_cnxset instead of free_cnxset to avoid warnings
Julien Cristau <julien.cristau@logilab.fr>
parents: 9493
diff changeset
  1059
                self._free_cnxset(ignoremode=True)
9092
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1060
            self.clear()
8844
168cf5ef21f8 [session/transaction] move multiple utility on Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8843
diff changeset
  1061
9112
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
  1062
    @_open_only
9092
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1063
    def commit(self, free_cnxset=True, reset_pool=None):
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1064
        """commit the current session's transaction"""
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1065
        if reset_pool is not None:
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1066
            warn('[3.13] use free_cnxset argument instead for reset_pool',
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1067
                 DeprecationWarning, stacklevel=2)
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1068
            free_cnxset = reset_pool
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1069
        if self.cnxset is None:
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1070
            assert not self.pending_operations
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1071
            self.clear()
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1072
            self._session_timestamp.touch()
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1073
            self.debug('commit transaction %s done (no db activity)', self.connectionid)
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1074
            return
9684
a6b084ea4c5b [server/session] make commit/rollback obey ensure_cnx_set
Julien Cristau <julien.cristau@logilab.fr>
parents: 9630
diff changeset
  1075
        if self._cnxset_count != 0:
a6b084ea4c5b [server/session] make commit/rollback obey ensure_cnx_set
Julien Cristau <julien.cristau@logilab.fr>
parents: 9630
diff changeset
  1076
            # we are inside ensure_cnx_set, don't lose it
a6b084ea4c5b [server/session] make commit/rollback obey ensure_cnx_set
Julien Cristau <julien.cristau@logilab.fr>
parents: 9630
diff changeset
  1077
            free_cnxset = False
9092
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1078
        cstate = self.commit_state
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1079
        if cstate == 'uncommitable':
9403
d81207fb9499 Fix a couple merge errors
Julien Cristau <julien.cristau@logilab.fr>
parents: 9402
diff changeset
  1080
            raise QueryError('transaction must be rolled back')
9092
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1081
        if cstate is not None:
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1082
            return
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1083
        # on rollback, an operation should have the following state
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1084
        # information:
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1085
        # - processed by the precommit/commit event or not
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1086
        # - if processed, is it the failed operation
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1087
        debug = server.DEBUG & server.DBG_OPS
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1088
        try:
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1089
            # by default, operations are executed with security turned off
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1090
            with self.security_enabled(False, False):
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1091
                processed = []
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1092
                self.commit_state = 'precommit'
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1093
                if debug:
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1094
                    print self.commit_state, '*' * 20
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1095
                try:
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1096
                    while self.pending_operations:
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1097
                        operation = self.pending_operations.pop(0)
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1098
                        operation.processed = 'precommit'
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1099
                        processed.append(operation)
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1100
                        if debug:
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1101
                            print operation
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1102
                        operation.handle_event('precommit_event')
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1103
                    self.pending_operations[:] = processed
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1104
                    self.debug('precommit transaction %s done', self.connectionid)
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1105
                except BaseException:
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1106
                    # if error on [pre]commit:
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1107
                    #
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1108
                    # * set .failed = True on the operation causing the failure
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1109
                    # * call revert<event>_event on processed operations
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1110
                    # * call rollback_event on *all* operations
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1111
                    #
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1112
                    # that seems more natural than not calling rollback_event
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1113
                    # for processed operations, and allow generic rollback
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1114
                    # instead of having to implements rollback, revertprecommit
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1115
                    # and revertcommit, that will be enough in mont case.
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1116
                    operation.failed = True
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1117
                    if debug:
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1118
                        print self.commit_state, '*' * 20
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1119
                    for operation in reversed(processed):
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1120
                        if debug:
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1121
                            print operation
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1122
                        try:
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1123
                            operation.handle_event('revertprecommit_event')
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1124
                        except BaseException:
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1125
                            self.critical('error while reverting precommit',
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1126
                                          exc_info=True)
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1127
                    # XXX use slice notation since self.pending_operations is a
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1128
                    # read-only property.
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1129
                    self.pending_operations[:] = processed + self.pending_operations
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1130
                    self.rollback(free_cnxset)
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1131
                    raise
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1132
                self.cnxset.commit()
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1133
                self.commit_state = 'postcommit'
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1134
                if debug:
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1135
                    print self.commit_state, '*' * 20
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1136
                while self.pending_operations:
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1137
                    operation = self.pending_operations.pop(0)
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1138
                    if debug:
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1139
                        print operation
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1140
                    operation.processed = 'postcommit'
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1141
                    try:
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1142
                        operation.handle_event('postcommit_event')
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1143
                    except BaseException:
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1144
                        self.critical('error while postcommit',
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1145
                                      exc_info=sys.exc_info())
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1146
                self.debug('postcommit transaction %s done', self.connectionid)
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1147
                return self.transaction_uuid(set=False)
9091
4a39f3f1f1d9 [connection] move the rollback method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9090
diff changeset
  1148
        finally:
4a39f3f1f1d9 [connection] move the rollback method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9090
diff changeset
  1149
            self._session_timestamp.touch()
4a39f3f1f1d9 [connection] move the rollback method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9090
diff changeset
  1150
            if free_cnxset:
9495
0ae4e6d7ce2f [server/session] use _free_cnxset instead of free_cnxset to avoid warnings
Julien Cristau <julien.cristau@logilab.fr>
parents: 9493
diff changeset
  1151
                self._free_cnxset(ignoremode=True)
9091
4a39f3f1f1d9 [connection] move the rollback method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9090
diff changeset
  1152
            self.clear()
8812
52af67a2f0a5 [session/transaction] move most undo support into transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8811
diff changeset
  1153
8845
667cc27e9d12 [session/transaction] move resource accessors on Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8844
diff changeset
  1154
    # resource accessors ######################################################
667cc27e9d12 [session/transaction] move resource accessors on Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8844
diff changeset
  1155
9098
5467fb901931 [connection] transparent cnx_set handling
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9095
diff changeset
  1156
    @_with_cnx_set
9112
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
  1157
    @_open_only
9093
e2f88df79efd [connection] move call_service on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9092
diff changeset
  1158
    def call_service(self, regid, **kwargs):
9721
2f08bd4c813b [server/session] remove json dumps around call_service
Julien Cristau <julien.cristau@logilab.fr>
parents: 9707
diff changeset
  1159
        self.debug('calling service %s', regid)
9098
5467fb901931 [connection] transparent cnx_set handling
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9095
diff changeset
  1160
        service = self.vreg['services'].select(regid, self, **kwargs)
9721
2f08bd4c813b [server/session] remove json dumps around call_service
Julien Cristau <julien.cristau@logilab.fr>
parents: 9707
diff changeset
  1161
        return service.call(**kwargs)
9093
e2f88df79efd [connection] move call_service on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9092
diff changeset
  1162
9098
5467fb901931 [connection] transparent cnx_set handling
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9095
diff changeset
  1163
    @_with_cnx_set
9112
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
  1164
    @_open_only
8845
667cc27e9d12 [session/transaction] move resource accessors on Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8844
diff changeset
  1165
    def system_sql(self, sql, args=None, rollback_on_failure=True):
667cc27e9d12 [session/transaction] move resource accessors on Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8844
diff changeset
  1166
        """return a sql cursor on the system database"""
667cc27e9d12 [session/transaction] move resource accessors on Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8844
diff changeset
  1167
        if sql.split(None, 1)[0].upper() != 'SELECT':
667cc27e9d12 [session/transaction] move resource accessors on Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8844
diff changeset
  1168
            self.mode = 'write'
9463
d62e13eba033 [multi-sources-removal] Simplify ConnectionsSet internal structures and public methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 9458
diff changeset
  1169
        source = self.repo.system_source
8845
667cc27e9d12 [session/transaction] move resource accessors on Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8844
diff changeset
  1170
        try:
667cc27e9d12 [session/transaction] move resource accessors on Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8844
diff changeset
  1171
            return source.doexec(self, sql, args, rollback=rollback_on_failure)
667cc27e9d12 [session/transaction] move resource accessors on Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8844
diff changeset
  1172
        except (source.OperationalError, source.InterfaceError):
667cc27e9d12 [session/transaction] move resource accessors on Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8844
diff changeset
  1173
            if not rollback_on_failure:
667cc27e9d12 [session/transaction] move resource accessors on Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8844
diff changeset
  1174
                raise
667cc27e9d12 [session/transaction] move resource accessors on Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8844
diff changeset
  1175
            source.warning("trying to reconnect")
9482
5b97e69f9c29 [server] fix TypeErrors
Julien Cristau <julien.cristau@logilab.fr>
parents: 9479
diff changeset
  1176
            self.cnxset.reconnect()
8845
667cc27e9d12 [session/transaction] move resource accessors on Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8844
diff changeset
  1177
            return source.doexec(self, sql, args, rollback=rollback_on_failure)
667cc27e9d12 [session/transaction] move resource accessors on Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8844
diff changeset
  1178
9112
c859c7cef346 [connection] enforce that a connection must be open to be used
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9110
diff changeset
  1179
    @_open_only
8845
667cc27e9d12 [session/transaction] move resource accessors on Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8844
diff changeset
  1180
    def rtype_eids_rdef(self, rtype, eidfrom, eidto):
667cc27e9d12 [session/transaction] move resource accessors on Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8844
diff changeset
  1181
        # use type_and_source_from_eid instead of type_from_eid for optimization
667cc27e9d12 [session/transaction] move resource accessors on Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8844
diff changeset
  1182
        # (avoid two extra methods call)
667cc27e9d12 [session/transaction] move resource accessors on Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8844
diff changeset
  1183
        subjtype = self.repo.type_and_source_from_eid(eidfrom, self)[0]
667cc27e9d12 [session/transaction] move resource accessors on Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8844
diff changeset
  1184
        objtype = self.repo.type_and_source_from_eid(eidto, self)[0]
667cc27e9d12 [session/transaction] move resource accessors on Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8844
diff changeset
  1185
        return self.vreg.schema.rschema(rtype).rdefs[(subjtype, objtype)]
667cc27e9d12 [session/transaction] move resource accessors on Transaction
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8844
diff changeset
  1186
8783
c024365ac8ac [session/transaction] move entity cache management on session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8782
diff changeset
  1187
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1188
def cnx_attr(attr_name, writable=False):
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1189
    """return a property to forward attribute access to connection.
8782
ee675f0a9612 [session] have a nice helper function to forward access to session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8781
diff changeset
  1190
ee675f0a9612 [session] have a nice helper function to forward access to session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8781
diff changeset
  1191
    This is to be used by session"""
8787
1b3b7284377f [session] allow writable tx_attr and use it for commit_state
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8786
diff changeset
  1192
    args = {}
9404
3e3e9b37e177 fix version number: we still target cw 3.19
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9403
diff changeset
  1193
    @deprecated('[3.19] use a Connection object instead')
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1194
    def attr_from_cnx(session):
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1195
        return getattr(session._cnx, attr_name)
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1196
    args['fget'] = attr_from_cnx
8787
1b3b7284377f [session] allow writable tx_attr and use it for commit_state
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8786
diff changeset
  1197
    if writable:
9404
3e3e9b37e177 fix version number: we still target cw 3.19
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9403
diff changeset
  1198
        @deprecated('[3.19] use a Connection object instead')
8787
1b3b7284377f [session] allow writable tx_attr and use it for commit_state
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8786
diff changeset
  1199
        def write_attr(session, value):
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1200
            return setattr(session._cnx, attr_name, value)
8787
1b3b7284377f [session] allow writable tx_attr and use it for commit_state
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8786
diff changeset
  1201
        args['fset'] = write_attr
1b3b7284377f [session] allow writable tx_attr and use it for commit_state
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8786
diff changeset
  1202
    return property(**args)
8782
ee675f0a9612 [session] have a nice helper function to forward access to session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8781
diff changeset
  1203
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1204
def cnx_meth(meth_name):
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1205
    """return a function forwarding calls to connection.
8783
c024365ac8ac [session/transaction] move entity cache management on session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8782
diff changeset
  1206
c024365ac8ac [session/transaction] move entity cache management on session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8782
diff changeset
  1207
    This is to be used by session"""
9404
3e3e9b37e177 fix version number: we still target cw 3.19
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9403
diff changeset
  1208
    @deprecated('[3.19] use a Connection object instead')
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1209
    def meth_from_cnx(session, *args, **kwargs):
9084
e8e4dfc97670 [server/session] ensure appobject obtained from the session are linked to the session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9083
diff changeset
  1210
        result = getattr(session._cnx, meth_name)(*args, **kwargs)
e8e4dfc97670 [server/session] ensure appobject obtained from the session are linked to the session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9083
diff changeset
  1211
        if getattr(result, '_cw', None) is not None:
e8e4dfc97670 [server/session] ensure appobject obtained from the session are linked to the session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9083
diff changeset
  1212
            result._cw = session
e8e4dfc97670 [server/session] ensure appobject obtained from the session are linked to the session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9083
diff changeset
  1213
        return result
9402
2c48c091b6a2 merge 3.18.0 in 3.19 branch
Julien Cristau <julien.cristau@logilab.fr>
parents: 9123 9396
diff changeset
  1214
    meth_from_cnx.__doc__ = getattr(Connection, meth_name).__doc__
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1215
    return meth_from_cnx
7350
c2452cd57026 [session] enhance session's transaction storage handling to fix cases where commit/rollback is done while in the context of hooks_control/security_enabled managers. Closes #1412648: commit or rollback during postcreate reset hooks control state
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7349
diff changeset
  1216
9081
7c9a6dc4ee5d [session] use a rich object for timestamp
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9079
diff changeset
  1217
class Timestamp(object):
7c9a6dc4ee5d [session] use a rich object for timestamp
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9079
diff changeset
  1218
7c9a6dc4ee5d [session] use a rich object for timestamp
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9079
diff changeset
  1219
    def __init__(self):
7c9a6dc4ee5d [session] use a rich object for timestamp
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9079
diff changeset
  1220
        self.value = time()
7c9a6dc4ee5d [session] use a rich object for timestamp
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9079
diff changeset
  1221
7c9a6dc4ee5d [session] use a rich object for timestamp
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9079
diff changeset
  1222
    def touch(self):
7c9a6dc4ee5d [session] use a rich object for timestamp
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9079
diff changeset
  1223
        self.value = time()
7c9a6dc4ee5d [session] use a rich object for timestamp
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9079
diff changeset
  1224
7c9a6dc4ee5d [session] use a rich object for timestamp
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9079
diff changeset
  1225
    def __float__(self):
7c9a6dc4ee5d [session] use a rich object for timestamp
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9079
diff changeset
  1226
        return float(self.value)
7350
c2452cd57026 [session] enhance session's transaction storage handling to fix cases where commit/rollback is done while in the context of hooks_control/security_enabled managers. Closes #1412648: commit or rollback during postcreate reset hooks control state
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7349
diff changeset
  1227
4834
b718626a0e60 move hooks activation control on session object, so we can have a per transaction control. Added a new `hooks_control` context manager for usual modification of hooks activation.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4767
diff changeset
  1228
9122
1d109fb9c67c [session] deprecate all Connection related method on session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9121
diff changeset
  1229
class Session(RequestSessionBase): # XXX repoapi: stop being a
1d109fb9c67c [session] deprecate all Connection related method on session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9121
diff changeset
  1230
                                   # RequestSessionBase at some point
8760
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
  1231
    """Repository user session
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
  1232
9143
1890e0df68fa [book] fix sphinx documentation generation (closes #2991997)
Julien Cristau <julien.cristau@logilab.fr>
parents: 8999
diff changeset
  1233
    This ties all together:
8760
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
  1234
     * session id,
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
  1235
     * user,
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
  1236
     * connections set,
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
  1237
     * other session data.
7398
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1238
9143
1890e0df68fa [book] fix sphinx documentation generation (closes #2991997)
Julien Cristau <julien.cristau@logilab.fr>
parents: 8999
diff changeset
  1239
    **About session storage / transactions**
7398
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1240
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1241
    Here is a description of internal session attributes. Besides :attr:`data`
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1242
    and :attr:`transaction_data`, you should not have to use attributes
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1243
    described here but higher level APIs.
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1244
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1245
      :attr:`data` is a dictionary containing shared data, used to communicate
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1246
      extra information between the client and the repository
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1247
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1248
      :attr:`_cnxs` is a dictionary of :class:`Connection` instance, one
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1249
      for each running connection. The key is the connection id. By default
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1250
      the connection id is the thread name but it can be otherwise (per dbapi
7398
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1251
      cursor for instance, or per thread name *from another process*).
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1252
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1253
      :attr:`__threaddata` is a thread local storage whose `cnx` attribute
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1254
      refers to the proper instance of :class:`Connection` according to the
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1255
      connection.
7398
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1256
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1257
    You should not have to use neither :attr:`_cnx` nor :attr:`__threaddata`,
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1258
    simply access connection data transparently through the :attr:`_cnx`
7398
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1259
    property. Also, you usually don't have to access it directly since current
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1260
    connection's data may be accessed/modified through properties / methods:
7398
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1261
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1262
      :attr:`connection_data`, similarly to :attr:`data`, is a dictionary
7398
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1263
      containing some shared data that should be cleared at the end of the
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1264
      connection. Hooks and operations may put arbitrary data in there, and
7398
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1265
      this may also be used as a communication channel between the client and
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1266
      the repository.
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1267
8760
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
  1268
    .. automethod:: cubicweb.server.session.Session.get_shared_data
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
  1269
    .. automethod:: cubicweb.server.session.Session.set_shared_data
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
  1270
    .. automethod:: cubicweb.server.session.Session.added_in_transaction
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
  1271
    .. automethod:: cubicweb.server.session.Session.deleted_in_transaction
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
  1272
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1273
    Connection state information:
8760
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
  1274
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
  1275
      :attr:`running_dbapi_query`, boolean flag telling if the executing query
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
  1276
      is coming from a dbapi connection or is a query from within the repository
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
  1277
7398
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1278
      :attr:`cnxset`, the connections set to use to execute queries on sources.
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1279
      During a transaction, the connection set may be freed so that is may be
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1280
      used by another session as long as no writing is done. This means we can
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1281
      have multiple sessions with a reasonably low connections set pool size.
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1282
9351
cfd5d793ac89 [book] fix Session.{set,free}_cnxset autodoc
Julien Cristau <julien.cristau@logilab.fr>
parents: 9274
diff changeset
  1283
      .. automethod:: cubicweb.server.session.Session.set_cnxset
cfd5d793ac89 [book] fix Session.{set,free}_cnxset autodoc
Julien Cristau <julien.cristau@logilab.fr>
parents: 9274
diff changeset
  1284
      .. automethod:: cubicweb.server.session.Session.free_cnxset
8760
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
  1285
7398
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1286
      :attr:`mode`, string telling the connections set handling mode, may be one
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1287
      of 'read' (connections set may be freed), 'write' (some write was done in
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1288
      the connections set, it can't be freed before end of the transaction),
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1289
      'transaction' (we want to keep the connections set during all the
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1290
      transaction, with or without writing)
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1291
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1292
      :attr:`pending_operations`, ordered list of operations to be processed on
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1293
      commit/rollback
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1294
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1295
      :attr:`commit_state`, describing the transaction commit state, may be one
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1296
      of None (not yet committing), 'precommit' (calling precommit event on
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1297
      operations), 'postcommit' (calling postcommit event on operations),
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1298
      'uncommitable' (some :exc:`ValidationError` or :exc:`Unauthorized` error
9267
24d9b86dfa54 spelling: rollbacked -> rolled back
Rémi Cardona <remi.cardona@logilab.fr>
parents: 9240
diff changeset
  1299
      has been raised during the transaction and so it must be rolled back).
7398
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1300
8760
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
  1301
    .. automethod:: cubicweb.server.session.Session.commit
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
  1302
    .. automethod:: cubicweb.server.session.Session.rollback
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
  1303
    .. automethod:: cubicweb.server.session.Session.close
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
  1304
    .. automethod:: cubicweb.server.session.Session.closed
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
  1305
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
  1306
    Security level Management:
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
  1307
7398
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1308
      :attr:`read_security` and :attr:`write_security`, boolean flags telling if
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1309
      read/write security is currently activated.
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1310
8760
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
  1311
    .. automethod:: cubicweb.server.session.Session.security_enabled
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
  1312
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
  1313
    Hooks Management:
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
  1314
7398
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1315
      :attr:`hooks_mode`, may be either `HOOKS_ALLOW_ALL` or `HOOKS_DENY_ALL`.
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1316
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1317
      :attr:`enabled_hook_categories`, when :attr:`hooks_mode` is
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1318
      `HOOKS_DENY_ALL`, this set contains hooks categories that are enabled.
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1319
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1320
      :attr:`disabled_hook_categories`, when :attr:`hooks_mode` is
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1321
      `HOOKS_ALLOW_ALL`, this set contains hooks categories that are disabled.
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1322
8760
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
  1323
    .. automethod:: cubicweb.server.session.Session.deny_all_hooks_but
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
  1324
    .. automethod:: cubicweb.server.session.Session.allow_all_hooks_but
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
  1325
    .. automethod:: cubicweb.server.session.Session.is_hook_category_activated
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
  1326
    .. automethod:: cubicweb.server.session.Session.is_hook_activated
7398
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1327
8760
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
  1328
    Data manipulation:
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
  1329
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
  1330
    .. automethod:: cubicweb.server.session.Session.add_relation
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
  1331
    .. automethod:: cubicweb.server.session.Session.add_relations
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
  1332
    .. automethod:: cubicweb.server.session.Session.delete_relation
8561
77ea3eed9946 [session] promote usage of [deny|all]_all_hooks_but session methods rather than hooks_control context manager directly
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8554
diff changeset
  1333
8760
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
  1334
    Other:
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
  1335
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
  1336
    .. automethod:: cubicweb.server.session.Session.call_service
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
  1337
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
  1338
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
  1339
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1340
    """
8525
c09feae04094 [entity edition] don't remove values from attribute cache on the repository side
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8433
diff changeset
  1341
    is_request = False
4913
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4899
diff changeset
  1342
    is_internal_session = False
1660
d1030dd9730b delete-trailing-whitespaces, missing import
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
  1343
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1344
    def __init__(self, user, repo, cnxprops=None, _id=None):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1345
        super(Session, self).__init__(repo.vreg)
9122
1d109fb9c67c [session] deprecate all Connection related method on session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9121
diff changeset
  1346
        self.sessionid = _id or make_uid(unormalize(user.login).encode('UTF8'))
1d109fb9c67c [session] deprecate all Connection related method on session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9121
diff changeset
  1347
        self.user = user # XXX repoapi: deprecated and store only a login.
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1348
        self.repo = repo
9081
7c9a6dc4ee5d [session] use a rich object for timestamp
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9079
diff changeset
  1349
        self._timestamp = Timestamp()
2570
80a996bb536d [repo session] ability to ask session to keep it's pool set even when only read queries are done, necessary at least during migration
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2319
diff changeset
  1350
        self.default_mode = 'read'
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1351
        # short cut to querier .execute method
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1352
        self._execute = repo.querier.execute
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1353
        # shared data, used to communicate extra information between the client
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1354
        # and the rql server
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1355
        self.data = {}
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1356
        # i18n initialization
8538
00597256de18 [request/session] refactor language handling: don't attempt to sync web/repo languages
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8535
diff changeset
  1357
        self.set_language(user.prefered_language())
8771
519629422391 [session] rename _tx_data into _txs
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8770
diff changeset
  1358
        ### internals
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1359
        # Connection of this section
9122
1d109fb9c67c [session] deprecate all Connection related method on session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9121
diff changeset
  1360
        self._cnxs = {} # XXX repoapi: remove this when nobody use the session
1d109fb9c67c [session] deprecate all Connection related method on session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9121
diff changeset
  1361
                        # as a Connection
8760
17994bf95d6a [doc] update Session documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8694
diff changeset
  1362
        # Data local to the thread
9122
1d109fb9c67c [session] deprecate all Connection related method on session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9121
diff changeset
  1363
        self.__threaddata = threading.local() # XXX repoapi: remove this when
1d109fb9c67c [session] deprecate all Connection related method on session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9121
diff changeset
  1364
                                              # nobody use the session as a Connection
8809
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
  1365
        self._cnxset_tracker = CnxSetTracker()
1880
293fe4b49e28 two in one: #343320: Logging out while deleting a CWUser blocks the cw server / #342692: ensure transaction state when Ctrl-C or other stop signal is received
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1660
diff changeset
  1366
        self._closed = False
8776
cdb261bd36ac [session] make session lock reentrant
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8775
diff changeset
  1367
        self._lock = threading.RLock()
1660
d1030dd9730b delete-trailing-whitespaces, missing import
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
  1368
4703
4e803c30b7db [session] user.login is usually an unicode string, so implements __unicode__ instead of __str__
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4533
diff changeset
  1369
    def __unicode__(self):
8669
62213a34726e [db-api/configuration] simplify db-api and configuration so that all the connection information is in the repository url, closes #2521848
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8626
diff changeset
  1370
        return '<session %s (%s 0x%x)>' % (
9493
852f5ac90cd9 [server/session] session.id → session.sessionid
Julien Cristau <julien.cristau@logilab.fr>
parents: 9482
diff changeset
  1371
            unicode(self.user.login), self.sessionid, id(self))
9081
7c9a6dc4ee5d [session] use a rich object for timestamp
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9079
diff changeset
  1372
    @property
7c9a6dc4ee5d [session] use a rich object for timestamp
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9079
diff changeset
  1373
    def timestamp(self):
7c9a6dc4ee5d [session] use a rich object for timestamp
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9079
diff changeset
  1374
        return float(self._timestamp)
2604
6b55a2a81fd8 [R repo session] add_relation method use in hooks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2603
diff changeset
  1375
9049
9d62d53b49df [server/session] allow access to session id using sessionid
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9048
diff changeset
  1376
    @property
9630
e7dbc4f06a48 minor cleanups
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 9629
diff changeset
  1377
    @deprecated('[3.19] session.id is deprecated, use session.sessionid')
9122
1d109fb9c67c [session] deprecate all Connection related method on session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9121
diff changeset
  1378
    def id(self):
1d109fb9c67c [session] deprecate all Connection related method on session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9121
diff changeset
  1379
        return self.sessionid
2604
6b55a2a81fd8 [R repo session] add_relation method use in hooks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2603
diff changeset
  1380
9050
635862b48485 [server/session] add a login property
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9049
diff changeset
  1381
    @property
635862b48485 [server/session] add a login property
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9049
diff changeset
  1382
    def login(self):
635862b48485 [server/session] add a login property
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9049
diff changeset
  1383
        return self.user.login
8777
4e72b78ea5aa [session] split session creation from default session assignation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8776
diff changeset
  1384
9110
ed8b383d94fd [session] add a new_cnx factory
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9109
diff changeset
  1385
    def new_cnx(self):
ed8b383d94fd [session] add a new_cnx factory
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9109
diff changeset
  1386
        """Return a new Connection object linked to the session
8777
4e72b78ea5aa [session] split session creation from default session assignation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8776
diff changeset
  1387
9110
ed8b383d94fd [session] add a new_cnx factory
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9109
diff changeset
  1388
        The returned Connection will *not* be managed by the Session.
ed8b383d94fd [session] add a new_cnx factory
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9109
diff changeset
  1389
        """
ed8b383d94fd [session] add a new_cnx factory
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9109
diff changeset
  1390
        return Connection(self)
ed8b383d94fd [session] add a new_cnx factory
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9109
diff changeset
  1391
9120
fa513ac7a2a5 [session] privatise get_cnx and close_cnx
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9113
diff changeset
  1392
    def _get_cnx(self, cnxid):
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1393
        """return the <cnxid> connection attached to this session
8777
4e72b78ea5aa [session] split session creation from default session assignation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8776
diff changeset
  1394
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1395
        Connection is created if necessary"""
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1396
        with self._lock: # no connection exist with the same id
8777
4e72b78ea5aa [session] split session creation from default session assignation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8776
diff changeset
  1397
            try:
8996
dcd8aa47adce [session] raise proper exception with get_tx is called on a closed session
pierre-yves
parents: 8934
diff changeset
  1398
                if self.closed:
9103
b5c6d6aaa2bf [session] wrap too long line
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9102
diff changeset
  1399
                    raise SessionClosedError('try to access connections set on'
b5c6d6aaa2bf [session] wrap too long line
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9102
diff changeset
  1400
                                             ' a closed session %s' % self.id)
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1401
                cnx = self._cnxs[cnxid]
9107
1e145b36edf0 [sesion] distinction between Connection handled by the session and other.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9106
diff changeset
  1402
                assert cnx._session_handled
8777
4e72b78ea5aa [session] split session creation from default session assignation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8776
diff changeset
  1403
            except KeyError:
9107
1e145b36edf0 [sesion] distinction between Connection handled by the session and other.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9106
diff changeset
  1404
                cnx = Connection(self, cnxid=cnxid, session_handled=True)
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1405
                self._cnxs[cnxid] = cnx
9108
6a4070e2849d [connection] handle and explicitly life cycle on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9107
diff changeset
  1406
                cnx.__enter__()
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1407
        return cnx
8777
4e72b78ea5aa [session] split session creation from default session assignation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8776
diff changeset
  1408
9120
fa513ac7a2a5 [session] privatise get_cnx and close_cnx
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9113
diff changeset
  1409
    def _close_cnx(self, cnx):
9102
c9ed52e53526 [session] gather close_cnx with get_cnx and set_cnx
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9098
diff changeset
  1410
        """Close a Connection related to a session"""
9107
1e145b36edf0 [sesion] distinction between Connection handled by the session and other.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9106
diff changeset
  1411
        assert cnx._session_handled
9108
6a4070e2849d [connection] handle and explicitly life cycle on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9107
diff changeset
  1412
        cnx.__exit__()
9106
c14e8a2b4655 [session] replace _clear_thread_storage with close_cnx
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9105
diff changeset
  1413
        self._cnxs.pop(cnx.connectionid, None)
c14e8a2b4655 [session] replace _clear_thread_storage with close_cnx
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9105
diff changeset
  1414
        try:
c14e8a2b4655 [session] replace _clear_thread_storage with close_cnx
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9105
diff changeset
  1415
            if self.__threaddata.cnx is cnx:
c14e8a2b4655 [session] replace _clear_thread_storage with close_cnx
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9105
diff changeset
  1416
                del self.__threaddata.cnx
c14e8a2b4655 [session] replace _clear_thread_storage with close_cnx
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9105
diff changeset
  1417
        except AttributeError:
c14e8a2b4655 [session] replace _clear_thread_storage with close_cnx
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9105
diff changeset
  1418
            pass
8775
3d932eec0bda [session] document set_tx
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8774
diff changeset
  1419
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1420
    def set_cnx(self, cnxid=None):
9122
1d109fb9c67c [session] deprecate all Connection related method on session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9121
diff changeset
  1421
        # XXX repoapi: remove this when nobody use the session as a Connection
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1422
        """set the default connection of the current thread to <cnxid>
8775
3d932eec0bda [session] document set_tx
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8774
diff changeset
  1423
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1424
        Connection is created if necessary"""
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1425
        if cnxid is None:
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1426
            cnxid = threading.currentThread().getName()
9120
fa513ac7a2a5 [session] privatise get_cnx and close_cnx
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9113
diff changeset
  1427
        cnx = self._get_cnx(cnxid)
9107
1e145b36edf0 [sesion] distinction between Connection handled by the session and other.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9106
diff changeset
  1428
        # New style session should not be accesed through the session.
1e145b36edf0 [sesion] distinction between Connection handled by the session and other.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9106
diff changeset
  1429
        assert cnx._session_handled
1e145b36edf0 [sesion] distinction between Connection handled by the session and other.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9106
diff changeset
  1430
        self.__threaddata.cnx = cnx
5813
0b250d72fcfa [transaction w/ separated web/repo processes] the dbapi should explicitly specify a transaction id to avoid confusion when web server / repository run in separated processes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5802
diff changeset
  1431
0b250d72fcfa [transaction w/ separated web/repo processes] the dbapi should explicitly specify a transaction id to avoid confusion when web server / repository run in separated processes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5802
diff changeset
  1432
    @property
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1433
    def _cnx(self):
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1434
        """default connection for current session in current thread"""
5813
0b250d72fcfa [transaction w/ separated web/repo processes] the dbapi should explicitly specify a transaction id to avoid confusion when web server / repository run in separated processes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5802
diff changeset
  1435
        try:
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1436
            return self.__threaddata.cnx
5813
0b250d72fcfa [transaction w/ separated web/repo processes] the dbapi should explicitly specify a transaction id to avoid confusion when web server / repository run in separated processes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5802
diff changeset
  1437
        except AttributeError:
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1438
            self.set_cnx()
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1439
            return self.__threaddata.cnx
5813
0b250d72fcfa [transaction w/ separated web/repo processes] the dbapi should explicitly specify a transaction id to avoid confusion when web server / repository run in separated processes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5802
diff changeset
  1440
9404
3e3e9b37e177 fix version number: we still target cw 3.19
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9403
diff changeset
  1441
    @deprecated('[3.19] use a Connection object instead')
8585
3f60f416dddb [dbapi] provide get_option_value over DBAPIRequest (closes #2515522)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8529
diff changeset
  1442
    def get_option_value(self, option, foreid=None):
9458
e2dfdd313dfe [multi-sources-removal] Drop foreid argument of repo.get_option_value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 9404
diff changeset
  1443
        if foreid is not None:
e2dfdd313dfe [multi-sources-removal] Drop foreid argument of repo.get_option_value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 9404
diff changeset
  1444
            warn('[3.19] foreid argument is deprecated', DeprecationWarning,
e2dfdd313dfe [multi-sources-removal] Drop foreid argument of repo.get_option_value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 9404
diff changeset
  1445
                 stacklevel=2)
e2dfdd313dfe [multi-sources-removal] Drop foreid argument of repo.get_option_value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 9404
diff changeset
  1446
        return self.repo.get_option_value(option)
5813
0b250d72fcfa [transaction w/ separated web/repo processes] the dbapi should explicitly specify a transaction id to avoid confusion when web server / repository run in separated processes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5802
diff changeset
  1447
9404
3e3e9b37e177 fix version number: we still target cw 3.19
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9403
diff changeset
  1448
    @deprecated('[3.19] use a Connection object instead')
7451
48ba5f0c11de [session] provide a simple transaction context manager for session. Closes #1725640
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7405
diff changeset
  1449
    def transaction(self, free_cnxset=True):
48ba5f0c11de [session] provide a simple transaction context manager for session. Closes #1725640
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7405
diff changeset
  1450
        """return context manager to enter a transaction for the session: when
48ba5f0c11de [session] provide a simple transaction context manager for session. Closes #1725640
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7405
diff changeset
  1451
        exiting the `with` block on exception, call `session.rollback()`, else
48ba5f0c11de [session] provide a simple transaction context manager for session. Closes #1725640
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7405
diff changeset
  1452
        call `session.commit()` on normal exit.
48ba5f0c11de [session] provide a simple transaction context manager for session. Closes #1725640
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7405
diff changeset
  1453
48ba5f0c11de [session] provide a simple transaction context manager for session. Closes #1725640
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7405
diff changeset
  1454
        The `free_cnxset` will be given to rollback/commit methods to indicate
9272
68744f5154c4 [server] fix a number of typos, mostly in docstrings
Julien Cristau <julien.cristau@logilab.fr>
parents: 9267
diff changeset
  1455
        whether the connections set should be freed or not.
7451
48ba5f0c11de [session] provide a simple transaction context manager for session. Closes #1725640
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7405
diff changeset
  1456
        """
48ba5f0c11de [session] provide a simple transaction context manager for session. Closes #1725640
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7405
diff changeset
  1457
        return transaction(self, free_cnxset)
48ba5f0c11de [session] provide a simple transaction context manager for session. Closes #1725640
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7405
diff changeset
  1458
9079
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
  1459
    add_relation = cnx_meth('add_relation')
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
  1460
    add_relations = cnx_meth('add_relations')
f8c8e79218e1 [connection] move relation management method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9078
diff changeset
  1461
    delete_relation = cnx_meth('delete_relation')
3112
873202e181bb enhance notification mecanism: recipients may return user entities, which will be used to create a fake session so one can check security during notification if necessary
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3074
diff changeset
  1462
873202e181bb enhance notification mecanism: recipients may return user entities, which will be used to create a fake session so one can check security during notification if necessary
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3074
diff changeset
  1463
    # relations cache handling #################################################
873202e181bb enhance notification mecanism: recipients may return user entities, which will be used to create a fake session so one can check security during notification if necessary
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3074
diff changeset
  1464
9077
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
  1465
    update_rel_cache_add = cnx_meth('update_rel_cache_add')
55a88fbfd39c [connection] move relation cache method to Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9076
diff changeset
  1466
    update_rel_cache_del = cnx_meth('update_rel_cache_del')
2647
b0a2e779845c enable server side entity caching, 25% speedup on codenaf insertion. ALL CW TESTS OK
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2630
diff changeset
  1467
2100
89b825cdec74 simplify transaction data api, reorganize code
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2063
diff changeset
  1468
    # resource accessors ######################################################
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1469
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1470
    system_sql = cnx_meth('system_sql')
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1471
    deleted_in_transaction = cnx_meth('deleted_in_transaction')
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1472
    added_in_transaction = cnx_meth('added_in_transaction')
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1473
    rtype_eids_rdef = cnx_meth('rtype_eids_rdef')
2840
06daf13195d4 [hooks] deprecates hookhelper module
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2792
diff changeset
  1474
4835
13b0b96d7982 [repo] enhanced security handling: deprecates unsafe_execute, in favor of explicit read/write security control using the `enabled_security` context manager. Also code executed on the repository side is now unsafe by default.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4834
diff changeset
  1475
    # security control #########################################################
13b0b96d7982 [repo] enhanced security handling: deprecates unsafe_execute, in favor of explicit read/write security control using the `enabled_security` context manager. Also code executed on the repository side is now unsafe by default.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4834
diff changeset
  1476
9404
3e3e9b37e177 fix version number: we still target cw 3.19
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9403
diff changeset
  1477
    @deprecated('[3.19] use a Connection object instead')
8562
0d2fb4604265 [session] fix arguments default value and promote usage of security_enabled as session method. Closes #2481820
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8561
diff changeset
  1478
    def security_enabled(self, read=None, write=None):
9027
b6b96d61e055 [connection] move security control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9026
diff changeset
  1479
        return _session_security_enabled(self, read=read, write=write)
4835
13b0b96d7982 [repo] enhanced security handling: deprecates unsafe_execute, in favor of explicit read/write security control using the `enabled_security` context manager. Also code executed on the repository side is now unsafe by default.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4834
diff changeset
  1480
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1481
    read_security = cnx_attr('read_security', writable=True)
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1482
    write_security = cnx_attr('write_security', writable=True)
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1483
    running_dbapi_query = cnx_attr('running_dbapi_query')
4835
13b0b96d7982 [repo] enhanced security handling: deprecates unsafe_execute, in favor of explicit read/write security control using the `enabled_security` context manager. Also code executed on the repository side is now unsafe by default.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4834
diff changeset
  1484
4834
b718626a0e60 move hooks activation control on session object, so we can have a per transaction control. Added a new `hooks_control` context manager for usual modification of hooks activation.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4767
diff changeset
  1485
    # hooks activation control #################################################
b718626a0e60 move hooks activation control on session object, so we can have a per transaction control. Added a new `hooks_control` context manager for usual modification of hooks activation.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4767
diff changeset
  1486
    # all hooks should be activated during normal execution
b718626a0e60 move hooks activation control on session object, so we can have a per transaction control. Added a new `hooks_control` context manager for usual modification of hooks activation.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4767
diff changeset
  1487
9122
1d109fb9c67c [session] deprecate all Connection related method on session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9121
diff changeset
  1488
9404
3e3e9b37e177 fix version number: we still target cw 3.19
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9403
diff changeset
  1489
    @deprecated('[3.19] use a Connection object instead')
7405
8c752d113ebb [session] new methods on session to ease access to security/hooks control context managers
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7340
diff changeset
  1490
    def allow_all_hooks_but(self, *categories):
9026
84c5b01ebb3e [connection] move hook control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9025
diff changeset
  1491
        return _session_hooks_control(self, HOOKS_ALLOW_ALL, *categories)
9404
3e3e9b37e177 fix version number: we still target cw 3.19
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9403
diff changeset
  1492
    @deprecated('[3.19] use a Connection object instead')
7405
8c752d113ebb [session] new methods on session to ease access to security/hooks control context managers
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7340
diff changeset
  1493
    def deny_all_hooks_but(self, *categories):
9026
84c5b01ebb3e [connection] move hook control logic on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9025
diff changeset
  1494
        return _session_hooks_control(self, HOOKS_DENY_ALL, *categories)
4834
b718626a0e60 move hooks activation control on session object, so we can have a per transaction control. Added a new `hooks_control` context manager for usual modification of hooks activation.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4767
diff changeset
  1495
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1496
    hooks_mode = cnx_attr('hooks_mode')
4834
b718626a0e60 move hooks activation control on session object, so we can have a per transaction control. Added a new `hooks_control` context manager for usual modification of hooks activation.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4767
diff changeset
  1497
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1498
    disabled_hook_categories = cnx_attr('disabled_hook_cats')
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1499
    enabled_hook_categories = cnx_attr('enabled_hook_cats')
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1500
    disable_hook_categories = cnx_meth('disable_hook_categories')
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1501
    enable_hook_categories = cnx_meth('enable_hook_categories')
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1502
    is_hook_category_activated = cnx_meth('is_hook_category_activated')
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1503
    is_hook_activated = cnx_meth('is_hook_activated')
4834
b718626a0e60 move hooks activation control on session object, so we can have a per transaction control. Added a new `hooks_control` context manager for usual modification of hooks activation.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4767
diff changeset
  1504
2100
89b825cdec74 simplify transaction data api, reorganize code
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2063
diff changeset
  1505
    # connection management ###################################################
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1506
9404
3e3e9b37e177 fix version number: we still target cw 3.19
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9403
diff changeset
  1507
    @deprecated('[3.19] use a Connection object instead')
7398
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1508
    def keep_cnxset_mode(self, mode):
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1509
        """set `mode`, e.g. how the session will keep its connections set:
2570
80a996bb536d [repo session] ability to ask session to keep it's pool set even when only read queries are done, necessary at least during migration
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2319
diff changeset
  1510
9385
65ad67b0df22 [server/session] fix typo in keep_cnxset_mode docstring
Julien Cristau <julien.cristau@logilab.fr>
parents: 9283
diff changeset
  1511
        * if mode == 'write', the connections set is freed after each read
7398
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1512
          query, but kept until the transaction's end (eg commit or rollback)
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1513
          when a write query is detected (eg INSERT/SET/DELETE queries)
2570
80a996bb536d [repo session] ability to ask session to keep it's pool set even when only read queries are done, necessary at least during migration
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2319
diff changeset
  1514
7398
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1515
        * if mode == 'transaction', the connections set is only freed after the
2570
80a996bb536d [repo session] ability to ask session to keep it's pool set even when only read queries are done, necessary at least during migration
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2319
diff changeset
  1516
          transaction's end
80a996bb536d [repo session] ability to ask session to keep it's pool set even when only read queries are done, necessary at least during migration
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2319
diff changeset
  1517
7398
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1518
        notice that a repository has a limited set of connections sets, and a
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1519
        session has to wait for a free connections set to run any rql query
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1520
        (unless it already has one set).
2570
80a996bb536d [repo session] ability to ask session to keep it's pool set even when only read queries are done, necessary at least during migration
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2319
diff changeset
  1521
        """
80a996bb536d [repo session] ability to ask session to keep it's pool set even when only read queries are done, necessary at least during migration
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2319
diff changeset
  1522
        assert mode in ('transaction', 'write')
80a996bb536d [repo session] ability to ask session to keep it's pool set even when only read queries are done, necessary at least during migration
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2319
diff changeset
  1523
        if mode == 'transaction':
80a996bb536d [repo session] ability to ask session to keep it's pool set even when only read queries are done, necessary at least during migration
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2319
diff changeset
  1524
            self.default_mode = 'transaction'
80a996bb536d [repo session] ability to ask session to keep it's pool set even when only read queries are done, necessary at least during migration
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2319
diff changeset
  1525
        else: # mode == 'write'
80a996bb536d [repo session] ability to ask session to keep it's pool set even when only read queries are done, necessary at least during migration
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2319
diff changeset
  1526
            self.default_mode = 'read'
80a996bb536d [repo session] ability to ask session to keep it's pool set even when only read queries are done, necessary at least during migration
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2319
diff changeset
  1527
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1528
    mode = cnx_attr('mode', writable=True)
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1529
    commit_state = cnx_attr('commit_state', writable=True)
1660
d1030dd9730b delete-trailing-whitespaces, missing import
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
  1530
2100
89b825cdec74 simplify transaction data api, reorganize code
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2063
diff changeset
  1531
    @property
9404
3e3e9b37e177 fix version number: we still target cw 3.19
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9403
diff changeset
  1532
    @deprecated('[3.19] use a Connection object instead')
7398
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1533
    def cnxset(self):
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1534
        """connections set, set according to transaction mode for each query"""
5826
462435bf5457 [session] refactor session handling so that when calling session.close(), pool of long running transaction of the same session is properly freed
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 5813
diff changeset
  1535
        if self._closed:
7398
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1536
            self.free_cnxset(True)
8999
81a5d57d9230 [session] upgrade session closed error from Exception to SessionClosedError
pierre-yves
parents: 8996
diff changeset
  1537
            raise SessionClosedError('try to access connections set on a closed session %s' % self.id)
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1538
        return self._cnx.cnxset
1660
d1030dd9730b delete-trailing-whitespaces, missing import
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
  1539
7398
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1540
    def set_cnxset(self):
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1541
        """the session need a connections set to execute some queries"""
8809
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
  1542
        with self._lock: # can probably be removed
7340
9303fd71c2ee [session] lock self._closed and session.close to avoid race conditions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7330
diff changeset
  1543
            if self._closed:
7398
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1544
                self.free_cnxset(True)
8999
81a5d57d9230 [session] upgrade session closed error from Exception to SessionClosedError
pierre-yves
parents: 8996
diff changeset
  1545
                raise SessionClosedError('try to set connections set on a closed session %s' % self.id)
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1546
            return self._cnx.set_cnxset()
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1547
    free_cnxset = cnx_meth('free_cnxset')
9098
5467fb901931 [connection] transparent cnx_set handling
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9095
diff changeset
  1548
    ensure_cnx_set = cnx_attr('ensure_cnx_set')
1660
d1030dd9730b delete-trailing-whitespaces, missing import
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
  1549
2100
89b825cdec74 simplify transaction data api, reorganize code
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2063
diff changeset
  1550
    def _touch(self):
89b825cdec74 simplify transaction data api, reorganize code
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2063
diff changeset
  1551
        """update latest session usage timestamp and reset mode to read"""
9081
7c9a6dc4ee5d [session] use a rich object for timestamp
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9079
diff changeset
  1552
        self._timestamp.touch()
9082
a2c6d908edeb [connection] move local_perm_cache management on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9081
diff changeset
  1553
a2c6d908edeb [connection] move local_perm_cache management on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9081
diff changeset
  1554
    local_perm_cache = cnx_attr('local_perm_cache')
a2c6d908edeb [connection] move local_perm_cache management on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9081
diff changeset
  1555
    @local_perm_cache.setter
a2c6d908edeb [connection] move local_perm_cache management on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9081
diff changeset
  1556
    def local_perm_cache(self, value):
a2c6d908edeb [connection] move local_perm_cache management on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9081
diff changeset
  1557
        #base class assign an empty dict:-(
a2c6d908edeb [connection] move local_perm_cache management on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9081
diff changeset
  1558
        assert value == {}
a2c6d908edeb [connection] move local_perm_cache management on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9081
diff changeset
  1559
        pass
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1560
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1561
    # shared data handling ###################################################
1660
d1030dd9730b delete-trailing-whitespaces, missing import
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
  1562
9774
b7b71be569cf deprecate get/set_shared_data API
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9764
diff changeset
  1563
    @deprecated('[3.19] use session or transaction data')
6013
8ca424bc393b [dbapi] cleanup shared data api: let access to transaction from dbapi, we can write it after all... Also, querydata is better named txdata
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5920
diff changeset
  1564
    def get_shared_data(self, key, default=None, pop=False, txdata=False):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1565
        """return value associated to `key` in session data"""
6013
8ca424bc393b [dbapi] cleanup shared data api: let access to transaction from dbapi, we can write it after all... Also, querydata is better named txdata
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5920
diff changeset
  1566
        if txdata:
9078
cfefd64c7039 [connection] give access to shared data method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9077
diff changeset
  1567
            return self._cnx.get_shared_data(key, default, pop, txdata=True)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1568
        else:
6013
8ca424bc393b [dbapi] cleanup shared data api: let access to transaction from dbapi, we can write it after all... Also, querydata is better named txdata
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5920
diff changeset
  1569
            data = self.data
8ca424bc393b [dbapi] cleanup shared data api: let access to transaction from dbapi, we can write it after all... Also, querydata is better named txdata
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5920
diff changeset
  1570
        if pop:
8ca424bc393b [dbapi] cleanup shared data api: let access to transaction from dbapi, we can write it after all... Also, querydata is better named txdata
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5920
diff changeset
  1571
            return data.pop(key, default)
8ca424bc393b [dbapi] cleanup shared data api: let access to transaction from dbapi, we can write it after all... Also, querydata is better named txdata
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5920
diff changeset
  1572
        else:
8ca424bc393b [dbapi] cleanup shared data api: let access to transaction from dbapi, we can write it after all... Also, querydata is better named txdata
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5920
diff changeset
  1573
            return data.get(key, default)
1660
d1030dd9730b delete-trailing-whitespaces, missing import
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
  1574
9774
b7b71be569cf deprecate get/set_shared_data API
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9764
diff changeset
  1575
    @deprecated('[3.19] use session or transaction data')
6013
8ca424bc393b [dbapi] cleanup shared data api: let access to transaction from dbapi, we can write it after all... Also, querydata is better named txdata
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5920
diff changeset
  1576
    def set_shared_data(self, key, value, txdata=False):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1577
        """set value associated to `key` in session data"""
6013
8ca424bc393b [dbapi] cleanup shared data api: let access to transaction from dbapi, we can write it after all... Also, querydata is better named txdata
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5920
diff changeset
  1578
        if txdata:
9078
cfefd64c7039 [connection] give access to shared data method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9077
diff changeset
  1579
            return self._cnx.set_shared_data(key, value, txdata=True)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1580
        else:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1581
            self.data[key] = value
1660
d1030dd9730b delete-trailing-whitespaces, missing import
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
  1582
8367
fc59d2380c48 [service-api] Add unified service API on `_cw` attribute
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8306
diff changeset
  1583
    # server-side service call #################################################
fc59d2380c48 [service-api] Add unified service API on `_cw` attribute
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8306
diff changeset
  1584
9093
e2f88df79efd [connection] move call_service on Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9092
diff changeset
  1585
    call_service = cnx_meth('call_service')
8367
fc59d2380c48 [service-api] Add unified service API on `_cw` attribute
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8306
diff changeset
  1586
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1587
    # request interface #######################################################
1660
d1030dd9730b delete-trailing-whitespaces, missing import
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
  1588
2855
1d9be3dffa94 [repo] more deprecation
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2840
diff changeset
  1589
    @property
9404
3e3e9b37e177 fix version number: we still target cw 3.19
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9403
diff changeset
  1590
    @deprecated('[3.19] use a Connection object instead')
2855
1d9be3dffa94 [repo] more deprecation
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2840
diff changeset
  1591
    def cursor(self):
1d9be3dffa94 [repo] more deprecation
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2840
diff changeset
  1592
        """return a rql cursor"""
1d9be3dffa94 [repo] more deprecation
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2840
diff changeset
  1593
        return self
1d9be3dffa94 [repo] more deprecation
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2840
diff changeset
  1594
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1595
    set_entity_cache  = cnx_meth('set_entity_cache')
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1596
    entity_cache      = cnx_meth('entity_cache')
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1597
    cache_entities    = cnx_meth('cached_entities')
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1598
    drop_entity_cache = cnx_meth('drop_entity_cache')
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1599
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1600
    source_defs = cnx_meth('source_defs')
9469
032825bbacab [multi-sources-removal] Drop entities.source column
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 9468
diff changeset
  1601
    entity_metas = cnx_meth('entity_metas')
032825bbacab [multi-sources-removal] Drop entities.source column
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 9468
diff changeset
  1602
    describe = cnx_meth('describe') # XXX deprecated in 3.19
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1603
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1604
9404
3e3e9b37e177 fix version number: we still target cw 3.19
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9403
diff changeset
  1605
    @deprecated('[3.19] use a Connection object instead')
9086
1084843ab2cb [connection] move execute
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9085
diff changeset
  1606
    def execute(self, *args, **kwargs):
5174
78438ad513ca #759035: Automate addition of eid cachekey in RQL analysis
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5130
diff changeset
  1607
        """db-api like method directly linked to the querier execute method.
78438ad513ca #759035: Automate addition of eid cachekey in RQL analysis
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5130
diff changeset
  1608
78438ad513ca #759035: Automate addition of eid cachekey in RQL analysis
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5130
diff changeset
  1609
        See :meth:`cubicweb.dbapi.Cursor.execute` documentation.
78438ad513ca #759035: Automate addition of eid cachekey in RQL analysis
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5130
diff changeset
  1610
        """
9086
1084843ab2cb [connection] move execute
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9085
diff changeset
  1611
        rset = self._cnx.execute(*args, **kwargs)
4850
bd640b137f50 [refactor] drop rset.vreg attribute, vreg should be accessed through rset.req. Also kill decorate_rset, simply set rset.req where we were calling this method.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4845
diff changeset
  1612
        rset.req = self
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1613
        return rset
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1614
7398
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1615
    def _clear_thread_data(self, free_cnxset=True):
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1616
        """remove everything from the thread local storage, except connections set
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1617
        which is explicitly removed by free_cnxset, and mode which is set anyway
4704
a1ac5a453146 [session] fix memory leak: local thread data living in a thread that never finishes (eg, the main thread) may not be properly freed
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4703
diff changeset
  1618
        by _touch
a1ac5a453146 [session] fix memory leak: local thread data living in a thread that never finishes (eg, the main thread) may not be properly freed
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4703
diff changeset
  1619
        """
5813
0b250d72fcfa [transaction w/ separated web/repo processes] the dbapi should explicitly specify a transaction id to avoid confusion when web server / repository run in separated processes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5802
diff changeset
  1620
        try:
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1621
            cnx = self.__threaddata.cnx
5813
0b250d72fcfa [transaction w/ separated web/repo processes] the dbapi should explicitly specify a transaction id to avoid confusion when web server / repository run in separated processes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5802
diff changeset
  1622
        except AttributeError:
0b250d72fcfa [transaction w/ separated web/repo processes] the dbapi should explicitly specify a transaction id to avoid confusion when web server / repository run in separated processes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5802
diff changeset
  1623
            pass
0b250d72fcfa [transaction w/ separated web/repo processes] the dbapi should explicitly specify a transaction id to avoid confusion when web server / repository run in separated processes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5802
diff changeset
  1624
        else:
7398
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1625
            if free_cnxset:
9495
0ae4e6d7ce2f [server/session] use _free_cnxset instead of free_cnxset to avoid warnings
Julien Cristau <julien.cristau@logilab.fr>
parents: 9493
diff changeset
  1626
                cnx._free_cnxset()
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1627
                if cnx.ctx_count == 0:
9120
fa513ac7a2a5 [session] privatise get_cnx and close_cnx
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9113
diff changeset
  1628
                    self._close_cnx(cnx)
7350
c2452cd57026 [session] enhance session's transaction storage handling to fix cases where commit/rollback is done while in the context of hooks_control/security_enabled managers. Closes #1412648: commit or rollback during postcreate reset hooks control state
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7349
diff changeset
  1629
                else:
9104
9dde49a393a4 [session] drop the Session._clear_cnx_storage method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9103
diff changeset
  1630
                    cnx.clear()
5813
0b250d72fcfa [transaction w/ separated web/repo processes] the dbapi should explicitly specify a transaction id to avoid confusion when web server / repository run in separated processes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5802
diff changeset
  1631
            else:
9104
9dde49a393a4 [session] drop the Session._clear_cnx_storage method
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9103
diff changeset
  1632
                cnx.clear()
7350
c2452cd57026 [session] enhance session's transaction storage handling to fix cases where commit/rollback is done while in the context of hooks_control/security_enabled managers. Closes #1412648: commit or rollback during postcreate reset hooks control state
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7349
diff changeset
  1633
9404
3e3e9b37e177 fix version number: we still target cw 3.19
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9403
diff changeset
  1634
    @deprecated('[3.19] use a Connection object instead')
7398
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1635
    def commit(self, free_cnxset=True, reset_pool=None):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1636
        """commit the current session's transaction"""
9092
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1637
        cstate = self._cnx.commit_state
6385
9f91d09ee5fa [repo transaction] fix rollback behaviour as discussed on the mailing-list: instead of rollbacking automatically on Unauthorized/ValidationError, mark the transaction as uncommitable and disallow commiting
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6071
diff changeset
  1638
        if cstate == 'uncommitable':
9267
24d9b86dfa54 spelling: rollbacked -> rolled back
Rémi Cardona <remi.cardona@logilab.fr>
parents: 9240
diff changeset
  1639
            raise QueryError('transaction must be rolled back')
5813
0b250d72fcfa [transaction w/ separated web/repo processes] the dbapi should explicitly specify a transaction id to avoid confusion when web server / repository run in separated processes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5802
diff changeset
  1640
        try:
9092
48d488dd3c51 [connection] move the commit method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9091
diff changeset
  1641
            return self._cnx.commit(free_cnxset, reset_pool)
5813
0b250d72fcfa [transaction w/ separated web/repo processes] the dbapi should explicitly specify a transaction id to avoid confusion when web server / repository run in separated processes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5802
diff changeset
  1642
        finally:
7398
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1643
            self._clear_thread_data(free_cnxset)
1660
d1030dd9730b delete-trailing-whitespaces, missing import
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
  1644
9404
3e3e9b37e177 fix version number: we still target cw 3.19
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9403
diff changeset
  1645
    @deprecated('[3.19] use a Connection object instead')
9509
592c22e1c5f0 [server/session] avoid spurious warnings from Session.close
Julien Cristau <julien.cristau@logilab.fr>
parents: 9495
diff changeset
  1646
    def rollback(self, *args, **kwargs):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1647
        """rollback the current session's transaction"""
9509
592c22e1c5f0 [server/session] avoid spurious warnings from Session.close
Julien Cristau <julien.cristau@logilab.fr>
parents: 9495
diff changeset
  1648
        return self._rollback(*args, **kwargs)
592c22e1c5f0 [server/session] avoid spurious warnings from Session.close
Julien Cristau <julien.cristau@logilab.fr>
parents: 9495
diff changeset
  1649
592c22e1c5f0 [server/session] avoid spurious warnings from Session.close
Julien Cristau <julien.cristau@logilab.fr>
parents: 9495
diff changeset
  1650
    def _rollback(self, free_cnxset=True, **kwargs):
5813
0b250d72fcfa [transaction w/ separated web/repo processes] the dbapi should explicitly specify a transaction id to avoid confusion when web server / repository run in separated processes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5802
diff changeset
  1651
        try:
9091
4a39f3f1f1d9 [connection] move the rollback method on Connection object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9090
diff changeset
  1652
            return self._cnx.rollback(free_cnxset, **kwargs)
5813
0b250d72fcfa [transaction w/ separated web/repo processes] the dbapi should explicitly specify a transaction id to avoid confusion when web server / repository run in separated processes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5802
diff changeset
  1653
        finally:
7398
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1654
            self._clear_thread_data(free_cnxset)
1660
d1030dd9730b delete-trailing-whitespaces, missing import
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
  1655
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1656
    def close(self):
8809
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
  1657
        # do not close connections set on session close, since they are shared now
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
  1658
        tracker = self._cnxset_tracker
8776
cdb261bd36ac [session] make session lock reentrant
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8775
diff changeset
  1659
        with self._lock:
7340
9303fd71c2ee [session] lock self._closed and session.close to avoid race conditions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7330
diff changeset
  1660
            self._closed = True
8809
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
  1661
        tracker.close()
9623
2171da5b9234 [repo] don't set cnxset when getting the session to close it
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 9604
diff changeset
  1662
        if self._cnx._session_handled:
2171da5b9234 [repo] don't set cnxset when getting the session to close it
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 9604
diff changeset
  1663
            self._rollback()
9402
2c48c091b6a2 merge 3.18.0 in 3.19 branch
Julien Cristau <julien.cristau@logilab.fr>
parents: 9123 9396
diff changeset
  1664
        self.debug('waiting for open connection of session: %s', self)
8809
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
  1665
        timeout = 10
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
  1666
        pendings = tracker.wait(timeout)
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
  1667
        if pendings:
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1668
            self.error('%i connection still alive after 10 seconds, will close '
8809
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
  1669
                       'session anyway', len(pendings))
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1670
            for cnxid in pendings:
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1671
                cnx = self._cnxs.get(cnxid)
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1672
                if cnx is not None:
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1673
                    # drop cnx.cnxset
8809
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
  1674
                    with tracker:
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
  1675
                        try:
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1676
                            cnxset = cnx.cnxset
8809
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
  1677
                            if cnxset is None:
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
  1678
                                continue
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1679
                            cnx.cnxset = None
8809
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
  1680
                        except RuntimeError:
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
  1681
                            msg = 'issue while force free of cnxset in %s'
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1682
                            self.error(msg, cnx)
8809
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
  1683
                    # cnxset.reconnect() do an hard reset of the cnxset
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
  1684
                    # it force it to be freed
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
  1685
                    cnxset.reconnect()
9ee4d0c65ad2 [session] use a dedicated class to track cnxset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8808
diff changeset
  1686
                    self.repo._free_cnxset(cnxset)
5813
0b250d72fcfa [transaction w/ separated web/repo processes] the dbapi should explicitly specify a transaction id to avoid confusion when web server / repository run in separated processes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5802
diff changeset
  1687
        del self.__threaddata
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1688
        del self._cnxs
1660
d1030dd9730b delete-trailing-whitespaces, missing import
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
  1689
7054
c8f12ab250b7 Add a "closed" property on session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6582
diff changeset
  1690
    @property
c8f12ab250b7 Add a "closed" property on session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6582
diff changeset
  1691
    def closed(self):
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1692
        return not hasattr(self, '_cnxs')
7054
c8f12ab250b7 Add a "closed" property on session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6582
diff changeset
  1693
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1694
    # transaction data/operations management ##################################
1660
d1030dd9730b delete-trailing-whitespaces, missing import
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
  1695
9024
701b19785f1d [connection] reinstall cnx.data as cnx.transaction_data
pierre-yves
parents: 9023
diff changeset
  1696
    transaction_data = cnx_attr('transaction_data')
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1697
    pending_operations = cnx_attr('pending_operations')
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1698
    pruned_hooks_cache = cnx_attr('pruned_hooks_cache')
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1699
    add_operation      = cnx_meth('add_operation')
1660
d1030dd9730b delete-trailing-whitespaces, missing import
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
  1700
4913
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4899
diff changeset
  1701
    # undo support ############################################################
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4899
diff changeset
  1702
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1703
    ertype_supports_undo = cnx_meth('ertype_supports_undo')
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1704
    transaction_inc_action_counter = cnx_meth('transaction_inc_action_counter')
9075
8d36838ccb3e [connection] move last part of undo logic in connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9074
diff changeset
  1705
    transaction_uuid = cnx_meth('transaction_uuid')
4913
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4899
diff changeset
  1706
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1707
    # querier helpers #########################################################
1660
d1030dd9730b delete-trailing-whitespaces, missing import
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
  1708
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1709
    rql_rewriter = cnx_attr('_rewriter')
2100
89b825cdec74 simplify transaction data api, reorganize code
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2063
diff changeset
  1710
2855
1d9be3dffa94 [repo] more deprecation
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2840
diff changeset
  1711
    # deprecated ###############################################################
1d9be3dffa94 [repo] more deprecation
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2840
diff changeset
  1712
9048
8481fc6aa6dd [server/session] Implement anonymous_session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9047
diff changeset
  1713
    @property
8481fc6aa6dd [server/session] Implement anonymous_session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9047
diff changeset
  1714
    def anonymous_session(self):
8481fc6aa6dd [server/session] Implement anonymous_session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9047
diff changeset
  1715
        # XXX for now, anonymous-user is a web side option.
8481fc6aa6dd [server/session] Implement anonymous_session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9047
diff changeset
  1716
        # It will only be present inside all-in-one instance.
8481fc6aa6dd [server/session] Implement anonymous_session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9047
diff changeset
  1717
        # there is plan to move it down to global config.
8481fc6aa6dd [server/session] Implement anonymous_session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9047
diff changeset
  1718
        return self.user.login == self.repo.config.get('anonymous-user')
8481fc6aa6dd [server/session] Implement anonymous_session
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9047
diff changeset
  1719
7502
e7190f7e850e [session] deprecates schema_rproperty in favor of more optimized rtype_eids_rdef which return the rdef (so reusable to gather other data)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7500
diff changeset
  1720
    @deprecated('[3.13] use getattr(session.rtype_eids_rdef(rtype, eidfrom, eidto), prop)')
e7190f7e850e [session] deprecates schema_rproperty in favor of more optimized rtype_eids_rdef which return the rdef (so reusable to gather other data)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7500
diff changeset
  1721
    def schema_rproperty(self, rtype, eidfrom, eidto, rprop):
e7190f7e850e [session] deprecates schema_rproperty in favor of more optimized rtype_eids_rdef which return the rdef (so reusable to gather other data)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7500
diff changeset
  1722
        return getattr(self.rtype_eids_rdef(rtype, eidfrom, eidto), rprop)
e7190f7e850e [session] deprecates schema_rproperty in favor of more optimized rtype_eids_rdef which return the rdef (so reusable to gather other data)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7500
diff changeset
  1723
7398
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1724
    @property
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1725
    @deprecated("[3.13] use .cnxset attribute instead of .pool")
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1726
    def pool(self):
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1727
        return self.cnxset
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1728
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1729
    @deprecated("[3.13] use .set_cnxset() method instead of .set_pool()")
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1730
    def set_pool(self):
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1731
        return self.set_cnxset()
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1732
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1733
    @deprecated("[3.13] use .free_cnxset() method instead of .reset_pool()")
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1734
    def reset_pool(self):
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1735
        return self.free_cnxset()
7502
e7190f7e850e [session] deprecates schema_rproperty in favor of more optimized rtype_eids_rdef which return the rdef (so reusable to gather other data)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7500
diff changeset
  1736
7083
b8e35cde46e9 help pylint by explicitely defining some attributes
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 7054
diff changeset
  1737
    # these are overridden by set_log_methods below
b8e35cde46e9 help pylint by explicitely defining some attributes
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 7054
diff changeset
  1738
    # only defining here to prevent pylint from complaining
b8e35cde46e9 help pylint by explicitely defining some attributes
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 7054
diff changeset
  1739
    info = warning = error = critical = exception = debug = lambda msg,*a,**kw: None
b8e35cde46e9 help pylint by explicitely defining some attributes
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 7054
diff changeset
  1740
8765
9e9029ba2d4e [session] Move hook control constants out of the class
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8764
diff changeset
  1741
Session.HOOKS_ALLOW_ALL = HOOKS_ALLOW_ALL
9e9029ba2d4e [session] Move hook control constants out of the class
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8764
diff changeset
  1742
Session.HOOKS_DENY_ALL = HOOKS_DENY_ALL
8767
a75670ef2d87 [session] move security constant out of the class
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8766
diff changeset
  1743
Session.DEFAULT_SECURITY = DEFAULT_SECURITY
8765
9e9029ba2d4e [session] Move hook control constants out of the class
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8764
diff changeset
  1744
9e9029ba2d4e [session] Move hook control constants out of the class
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8764
diff changeset
  1745
1660
d1030dd9730b delete-trailing-whitespaces, missing import
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
  1746
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1747
class InternalSession(Session):
9484
31f070752462 [server/session] Fix docstring typo for InternalSession
Julien Cristau <julien.cristau@logilab.fr>
parents: 9411
diff changeset
  1748
    """special session created internally by the repository"""
4913
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4899
diff changeset
  1749
    is_internal_session = True
5193
c9671feff5e2 [session] no way for queries from an InternalSession to be a dbapi query
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5130
diff changeset
  1750
    running_dbapi_query = False
1660
d1030dd9730b delete-trailing-whitespaces, missing import
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
  1751
7706
359bc86d2827 [session] safe internal sessions don't deactivate integrity hooks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7665
diff changeset
  1752
    def __init__(self, repo, cnxprops=None, safe=False):
2891
60afb9705035 [session] temporary fix, need .req on internal manager
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2880
diff changeset
  1753
        super(InternalSession, self).__init__(InternalManager(), repo, cnxprops,
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1754
                                              _id='internal')
6071
c7a9e25153c2 [session] should be _cw, not req
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6028
diff changeset
  1755
        self.user._cw = self # XXX remove when "vreg = user._cw.vreg" hack in entity.py is gone
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1756
8433
ff9d6d269877 [server/session,repo] turn InternalSession, hence repo.internal_session, into a context manager (closes #2393651)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8367
diff changeset
  1757
    def __enter__(self):
ff9d6d269877 [server/session,repo] turn InternalSession, hence repo.internal_session, into a context manager (closes #2393651)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8367
diff changeset
  1758
        return self
ff9d6d269877 [server/session,repo] turn InternalSession, hence repo.internal_session, into a context manager (closes #2393651)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8367
diff changeset
  1759
ff9d6d269877 [server/session,repo] turn InternalSession, hence repo.internal_session, into a context manager (closes #2393651)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8367
diff changeset
  1760
    def __exit__(self, exctype, excvalue, tb):
ff9d6d269877 [server/session,repo] turn InternalSession, hence repo.internal_session, into a context manager (closes #2393651)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8367
diff changeset
  1761
        self.close()
ff9d6d269877 [server/session,repo] turn InternalSession, hence repo.internal_session, into a context manager (closes #2393651)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8367
diff changeset
  1762
5906
d40ced753291 [repository] fix so that when repository is shutting down, internal session in transaction are interrupted
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5826
diff changeset
  1763
    @property
7398
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1764
    def cnxset(self):
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1765
        """connections set, set according to transaction mode for each query"""
5906
d40ced753291 [repository] fix so that when repository is shutting down, internal session in transaction are interrupted
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5826
diff changeset
  1766
        if self.repo.shutting_down:
7398
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7387
diff changeset
  1767
            self.free_cnxset(True)
7573
c8f8762c986d [repo, looping task] raise a custom exception when repository is shuting down, avoid looping task to be restarted in such case. Closes #1021276
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7526
diff changeset
  1768
            raise ShuttingDown('repository is shutting down')
9020
cb87e831c183 rename server.session.transaction into server.session.connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9016
diff changeset
  1769
        return self._cnx.cnxset
5906
d40ced753291 [repository] fix so that when repository is shutting down, internal session in transaction are interrupted
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5826
diff changeset
  1770
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1771
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1772
class InternalManager(object):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1773
    """a manager user with all access rights used internally for task such as
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1774
    bootstrapping the repository or creating regular users according to
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1775
    repository content
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1776
    """
9479
f13fbab0c718 [server] Allow setting an InternalManager's preferred language
Julien Cristau <julien.cristau@logilab.fr>
parents: 9478
diff changeset
  1777
    def __init__(self, lang='en'):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1778
        self.eid = -1
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1779
        self.login = u'__internal_manager__'
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1780
        self.properties = {}
9087
dd26b4f95f90 [server/session] better faking of user for InternalManager
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 9086
diff changeset
  1781
        self.groups = set(['managers'])
9479
f13fbab0c718 [server] Allow setting an InternalManager's preferred language
Julien Cristau <julien.cristau@logilab.fr>
parents: 9478
diff changeset
  1782
        self.lang = lang
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1783
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1784
    def matching_groups(self, groups):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1785
        return 1
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1786
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1787
    def is_in_group(self, group):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1788
        return True
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1789
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1790
    def owns(self, eid):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1791
        return True
1660
d1030dd9730b delete-trailing-whitespaces, missing import
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
  1792
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1793
    def property_value(self, key):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1794
        if key == 'ui.language':
9479
f13fbab0c718 [server] Allow setting an InternalManager's preferred language
Julien Cristau <julien.cristau@logilab.fr>
parents: 9478
diff changeset
  1795
            return self.lang
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1796
        return None
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1797
8563
d28ccecb7bf5 mock ``CWUser.prefered_language()`` on InternalManager objects.
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 8562
diff changeset
  1798
    def prefered_language(self, language=None):
d28ccecb7bf5 mock ``CWUser.prefered_language()`` on InternalManager objects.
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 8562
diff changeset
  1799
        # mock CWUser.prefered_language, mainly for testing purpose
d28ccecb7bf5 mock ``CWUser.prefered_language()`` on InternalManager objects.
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 8562
diff changeset
  1800
        return self.property_value('ui.language')
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1801
8579
c4673bc11053 [req / session] drop is_internal_session (buggy) compat on base request by implementing necessary methods on internal manager
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8563
diff changeset
  1802
    # CWUser compat for notification ###########################################
c4673bc11053 [req / session] drop is_internal_session (buggy) compat on base request by implementing necessary methods on internal manager
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8563
diff changeset
  1803
c4673bc11053 [req / session] drop is_internal_session (buggy) compat on base request by implementing necessary methods on internal manager
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8563
diff changeset
  1804
    def name(self):
c4673bc11053 [req / session] drop is_internal_session (buggy) compat on base request by implementing necessary methods on internal manager
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8563
diff changeset
  1805
        return 'cubicweb'
c4673bc11053 [req / session] drop is_internal_session (buggy) compat on base request by implementing necessary methods on internal manager
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8563
diff changeset
  1806
c4673bc11053 [req / session] drop is_internal_session (buggy) compat on base request by implementing necessary methods on internal manager
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8563
diff changeset
  1807
    class _IEmailable:
c4673bc11053 [req / session] drop is_internal_session (buggy) compat on base request by implementing necessary methods on internal manager
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8563
diff changeset
  1808
        @staticmethod
c4673bc11053 [req / session] drop is_internal_session (buggy) compat on base request by implementing necessary methods on internal manager
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8563
diff changeset
  1809
        def get_email():
c4673bc11053 [req / session] drop is_internal_session (buggy) compat on base request by implementing necessary methods on internal manager
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8563
diff changeset
  1810
            return ''
c4673bc11053 [req / session] drop is_internal_session (buggy) compat on base request by implementing necessary methods on internal manager
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8563
diff changeset
  1811
c4673bc11053 [req / session] drop is_internal_session (buggy) compat on base request by implementing necessary methods on internal manager
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8563
diff changeset
  1812
    def cw_adapt_to(self, iface):
c4673bc11053 [req / session] drop is_internal_session (buggy) compat on base request by implementing necessary methods on internal manager
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8563
diff changeset
  1813
        if iface == 'IEmailable':
c4673bc11053 [req / session] drop is_internal_session (buggy) compat on base request by implementing necessary methods on internal manager
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8563
diff changeset
  1814
            return self._IEmailable
c4673bc11053 [req / session] drop is_internal_session (buggy) compat on base request by implementing necessary methods on internal manager
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8563
diff changeset
  1815
        return None
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1816
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1817
from logging import getLogger
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1818
from cubicweb import set_log_methods
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1819
set_log_methods(Session, getLogger('cubicweb.session'))
9021
d8806996ac01 [connection] add logging method on connection
pierre-yves
parents: 9020
diff changeset
  1820
set_log_methods(Connection, getLogger('cubicweb.session'))