hooks/integrity.py
author Julien Cristau <julien.cristau@logilab.fr>
Wed, 11 Dec 2013 16:45:49 +0100
branchstable
changeset 9346 ab0cdd2d7f12
parent 8556 bbe0d6985e59
child 9361 0542a85fe667
permissions -rw-r--r--
Added tag cubicweb-debian-version-3.17.11-2 for changeset b02e2912cad5
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
8556
bbe0d6985e59 [validation error] refactor validation error handling so translation is done on the web side
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8508
diff changeset
     1
# copyright 2003-2012 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: 5060
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: 5060
diff changeset
     3
#
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5060
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: 5060
diff changeset
     5
#
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5060
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: 5060
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: 5060
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: 5060
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: 5060
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: 5060
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: 5060
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: 5060
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: 5060
diff changeset
    15
#
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5060
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: 5060
diff changeset
    17
# with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
    18
"""Core hooks: check for data integrity according to the instance'schema
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
    19
validity
6142
8bc6eac1fac1 [session] cleanup hook / operation / entity edition api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5877
diff changeset
    20
"""
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
    21
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
    22
__docformat__ = "restructuredtext en"
8556
bbe0d6985e59 [validation error] refactor validation error handling so translation is done on the web side
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8508
diff changeset
    23
_ = unicode
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
    24
4490
d45cde54d464 backport stable branch and some vreg cleanups:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4307
diff changeset
    25
from threading import Lock
d45cde54d464 backport stable branch and some vreg cleanups:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4307
diff changeset
    26
8556
bbe0d6985e59 [validation error] refactor validation error handling so translation is done on the web side
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8508
diff changeset
    27
from cubicweb import validation_error
6375
df4fd2a1b0e7 [schema] introduce new WORKFLOW_RTYPES set and use it to build SYSTEM_RTYPES/DONT_CHECK_RTYPES_ON_ADD/DONT_CHECK_RTYPES_ON_DEL sets
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5877
diff changeset
    28
from cubicweb.schema import (META_RTYPES, WORKFLOW_RTYPES,
df4fd2a1b0e7 [schema] introduce new WORKFLOW_RTYPES set and use it to build SYSTEM_RTYPES/DONT_CHECK_RTYPES_ON_ADD/DONT_CHECK_RTYPES_ON_DEL sets
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5877
diff changeset
    29
                             RQLConstraint, RQLUniqueConstraint)
8190
2a3c1b787688 [vreg] move base registry implementation to logilab.common. Closes #1916014
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7502
diff changeset
    30
from cubicweb.predicates import is_instance
4023
eae23c40627a drop common subpackage
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4003
diff changeset
    31
from cubicweb.uilib import soup2xhtml
2841
107ba1c45227 rewrite hooks in sobjects as new Hook style into hooks sub-package
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2835
diff changeset
    32
from cubicweb.server import hook
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
    33
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
    34
# special relations that don't have to be checked for integrity, usually
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
    35
# because they are handled internally by hooks (so we trust ourselves)
6375
df4fd2a1b0e7 [schema] introduce new WORKFLOW_RTYPES set and use it to build SYSTEM_RTYPES/DONT_CHECK_RTYPES_ON_ADD/DONT_CHECK_RTYPES_ON_DEL sets
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5877
diff changeset
    36
DONT_CHECK_RTYPES_ON_ADD = META_RTYPES | WORKFLOW_RTYPES
df4fd2a1b0e7 [schema] introduce new WORKFLOW_RTYPES set and use it to build SYSTEM_RTYPES/DONT_CHECK_RTYPES_ON_ADD/DONT_CHECK_RTYPES_ON_DEL sets
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5877
diff changeset
    37
DONT_CHECK_RTYPES_ON_DEL = META_RTYPES | WORKFLOW_RTYPES
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
    38
4490
d45cde54d464 backport stable branch and some vreg cleanups:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4307
diff changeset
    39
_UNIQUE_CONSTRAINTS_LOCK = Lock()
d45cde54d464 backport stable branch and some vreg cleanups:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4307
diff changeset
    40
_UNIQUE_CONSTRAINTS_HOLDER = None
d45cde54d464 backport stable branch and some vreg cleanups:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4307
diff changeset
    41
4517
0f3c10fc42b2 backport stable
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4498
diff changeset
    42
4490
d45cde54d464 backport stable branch and some vreg cleanups:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4307
diff changeset
    43
def _acquire_unique_cstr_lock(session):
d45cde54d464 backport stable branch and some vreg cleanups:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4307
diff changeset
    44
    """acquire the _UNIQUE_CONSTRAINTS_LOCK for the session.
d45cde54d464 backport stable branch and some vreg cleanups:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4307
diff changeset
    45
d45cde54d464 backport stable branch and some vreg cleanups:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4307
diff changeset
    46
    This lock used to avoid potential integrity pb when checking
d45cde54d464 backport stable branch and some vreg cleanups:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4307
diff changeset
    47
    RQLUniqueConstraint in two different transactions, as explained in
d45cde54d464 backport stable branch and some vreg cleanups:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4307
diff changeset
    48
    http://intranet.logilab.fr/jpl/ticket/36564
d45cde54d464 backport stable branch and some vreg cleanups:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4307
diff changeset
    49
    """
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: 4530
diff changeset
    50
    if 'uniquecstrholder' in session.transaction_data:
4490
d45cde54d464 backport stable branch and some vreg cleanups:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4307
diff changeset
    51
        return
d45cde54d464 backport stable branch and some vreg cleanups:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4307
diff changeset
    52
    _UNIQUE_CONSTRAINTS_LOCK.acquire()
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: 4530
diff changeset
    53
    session.transaction_data['uniquecstrholder'] = True
4490
d45cde54d464 backport stable branch and some vreg cleanups:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4307
diff changeset
    54
    # register operation responsible to release the lock on commit/rollback
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: 4530
diff changeset
    55
    _ReleaseUniqueConstraintsOperation(session)
4490
d45cde54d464 backport stable branch and some vreg cleanups:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4307
diff changeset
    56
d45cde54d464 backport stable branch and some vreg cleanups:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4307
diff changeset
    57
def _release_unique_cstr_lock(session):
4517
0f3c10fc42b2 backport stable
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4498
diff changeset
    58
    if 'uniquecstrholder' in session.transaction_data:
0f3c10fc42b2 backport stable
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4498
diff changeset
    59
        del session.transaction_data['uniquecstrholder']
4490
d45cde54d464 backport stable branch and some vreg cleanups:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4307
diff changeset
    60
        _UNIQUE_CONSTRAINTS_LOCK.release()
d45cde54d464 backport stable branch and some vreg cleanups:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4307
diff changeset
    61
d45cde54d464 backport stable branch and some vreg cleanups:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4307
diff changeset
    62
class _ReleaseUniqueConstraintsOperation(hook.Operation):
d45cde54d464 backport stable branch and some vreg cleanups:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4307
diff changeset
    63
    def postcommit_event(self):
d45cde54d464 backport stable branch and some vreg cleanups:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4307
diff changeset
    64
        _release_unique_cstr_lock(self.session)
d45cde54d464 backport stable branch and some vreg cleanups:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4307
diff changeset
    65
    def rollback_event(self):
d45cde54d464 backport stable branch and some vreg cleanups:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4307
diff changeset
    66
        _release_unique_cstr_lock(self.session)
d45cde54d464 backport stable branch and some vreg cleanups:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4307
diff changeset
    67
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
    68
6426
541659c39f6a [hook/operation] nicer api to achieve same result as set_operation, as described in #1253630
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6376
diff changeset
    69
class _CheckRequiredRelationOperation(hook.DataOperationMixIn,
541659c39f6a [hook/operation] nicer api to achieve same result as set_operation, as described in #1253630
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6376
diff changeset
    70
                                      hook.LateOperation):
541659c39f6a [hook/operation] nicer api to achieve same result as set_operation, as described in #1253630
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6376
diff changeset
    71
    """checking relation cardinality has to be done after commit in case the
541659c39f6a [hook/operation] nicer api to achieve same result as set_operation, as described in #1253630
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6376
diff changeset
    72
    relation is being replaced
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
    73
    """
6426
541659c39f6a [hook/operation] nicer api to achieve same result as set_operation, as described in #1253630
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6376
diff changeset
    74
    containercls = list
5060
ee3b856e1406 [repo] optimize massive insertion/deletion by using the new set_operation function
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5030
diff changeset
    75
    role = key = base_rql = None
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
    76
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
    77
    def precommit_event(self):
6426
541659c39f6a [hook/operation] nicer api to achieve same result as set_operation, as described in #1253630
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6376
diff changeset
    78
        session = self.session
5060
ee3b856e1406 [repo] optimize massive insertion/deletion by using the new set_operation function
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5030
diff changeset
    79
        pendingeids = session.transaction_data.get('pendingeids', ())
ee3b856e1406 [repo] optimize massive insertion/deletion by using the new set_operation function
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5030
diff changeset
    80
        pendingrtypes = session.transaction_data.get('pendingrtypes', ())
6426
541659c39f6a [hook/operation] nicer api to achieve same result as set_operation, as described in #1253630
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6376
diff changeset
    81
        for eid, rtype in self.get_data():
5060
ee3b856e1406 [repo] optimize massive insertion/deletion by using the new set_operation function
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5030
diff changeset
    82
            # recheck pending eids / relation types
ee3b856e1406 [repo] optimize massive insertion/deletion by using the new set_operation function
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5030
diff changeset
    83
            if eid in pendingeids:
ee3b856e1406 [repo] optimize massive insertion/deletion by using the new set_operation function
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5030
diff changeset
    84
                continue
ee3b856e1406 [repo] optimize massive insertion/deletion by using the new set_operation function
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5030
diff changeset
    85
            if rtype in pendingrtypes:
ee3b856e1406 [repo] optimize massive insertion/deletion by using the new set_operation function
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5030
diff changeset
    86
                continue
5174
78438ad513ca #759035: Automate addition of eid cachekey in RQL analysis
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5060
diff changeset
    87
            if not session.execute(self.base_rql % rtype, {'x': eid}):
5060
ee3b856e1406 [repo] optimize massive insertion/deletion by using the new set_operation function
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5030
diff changeset
    88
                etype = session.describe(eid)[0]
ee3b856e1406 [repo] optimize massive insertion/deletion by using the new set_operation function
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5030
diff changeset
    89
                msg = _('at least one relation %(rtype)s is required on '
ee3b856e1406 [repo] optimize massive insertion/deletion by using the new set_operation function
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5030
diff changeset
    90
                        '%(etype)s (%(eid)s)')
8556
bbe0d6985e59 [validation error] refactor validation error handling so translation is done on the web side
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8508
diff changeset
    91
                raise validation_error(eid, {(rtype, self.role): msg},
bbe0d6985e59 [validation error] refactor validation error handling so translation is done on the web side
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8508
diff changeset
    92
                                       {'rtype': rtype, 'etype': etype, 'eid': eid},
bbe0d6985e59 [validation error] refactor validation error handling so translation is done on the web side
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8508
diff changeset
    93
                                       ['rtype', 'etype'])
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
    94
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
    95
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
    96
class _CheckSRelationOp(_CheckRequiredRelationOperation):
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
    97
    """check required subject relation"""
5030
5238d9a8dfee [form] put qualified name on validation error, should fix #784299
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5007
diff changeset
    98
    role = 'subject'
5060
ee3b856e1406 [repo] optimize massive insertion/deletion by using the new set_operation function
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5030
diff changeset
    99
    base_rql = 'Any O WHERE S eid %%(x)s, S %s O'
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
   100
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
   101
class _CheckORelationOp(_CheckRequiredRelationOperation):
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
   102
    """check required object relation"""
5030
5238d9a8dfee [form] put qualified name on validation error, should fix #784299
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5007
diff changeset
   103
    role = 'object'
5060
ee3b856e1406 [repo] optimize massive insertion/deletion by using the new set_operation function
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5030
diff changeset
   104
    base_rql = 'Any S WHERE O eid %%(x)s, S %s O'
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
   105
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
   106
2841
107ba1c45227 rewrite hooks in sobjects as new Hook style into hooks sub-package
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2835
diff changeset
   107
class IntegrityHook(hook.Hook):
107ba1c45227 rewrite hooks in sobjects as new Hook style into hooks sub-package
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2835
diff changeset
   108
    __abstract__ = True
107ba1c45227 rewrite hooks in sobjects as new Hook style into hooks sub-package
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2835
diff changeset
   109
    category = 'integrity'
107ba1c45227 rewrite hooks in sobjects as new Hook style into hooks sub-package
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2835
diff changeset
   110
107ba1c45227 rewrite hooks in sobjects as new Hook style into hooks sub-package
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2835
diff changeset
   111
6889
37668bf302f5 improve massive deletion performance
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6838
diff changeset
   112
class CheckCardinalityHookBeforeDeleteRelation(IntegrityHook):
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
   113
    """check cardinalities are satisfied"""
6889
37668bf302f5 improve massive deletion performance
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6838
diff changeset
   114
    __regid__ = 'checkcard_before_delete_relation'
37668bf302f5 improve massive deletion performance
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6838
diff changeset
   115
    events = ('before_delete_relation',)
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
   116
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
   117
    def __call__(self):
6889
37668bf302f5 improve massive deletion performance
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6838
diff changeset
   118
        rtype = self.rtype
37668bf302f5 improve massive deletion performance
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6838
diff changeset
   119
        if rtype in DONT_CHECK_RTYPES_ON_DEL:
37668bf302f5 improve massive deletion performance
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6838
diff changeset
   120
            return
37668bf302f5 improve massive deletion performance
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6838
diff changeset
   121
        session = self._cw
37668bf302f5 improve massive deletion performance
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6838
diff changeset
   122
        eidfrom, eidto = self.eidfrom, self.eidto
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: 7495
diff changeset
   123
        rdef = session.rtype_eids_rdef(rtype, eidfrom, eidto)
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: 7495
diff changeset
   124
        if (rdef.subject, rtype, rdef.object) in session.transaction_data.get('pendingrdefs', ()):
6889
37668bf302f5 improve massive deletion performance
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6838
diff changeset
   125
            return
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: 7495
diff changeset
   126
        card = rdef.cardinality
6889
37668bf302f5 improve massive deletion performance
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6838
diff changeset
   127
        if card[0] in '1+' and not session.deleted_in_transaction(eidfrom):
7495
09d245a9bf5f [hooks] use local variable
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7494
diff changeset
   128
            _CheckSRelationOp.get_instance(session).add_data((eidfrom, rtype))
6889
37668bf302f5 improve massive deletion performance
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6838
diff changeset
   129
        if card[1] in '1+' and not session.deleted_in_transaction(eidto):
7495
09d245a9bf5f [hooks] use local variable
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7494
diff changeset
   130
            _CheckORelationOp.get_instance(session).add_data((eidto, rtype))
09d245a9bf5f [hooks] use local variable
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7494
diff changeset
   131
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
   132
6889
37668bf302f5 improve massive deletion performance
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6838
diff changeset
   133
class CheckCardinalityHookAfterAddEntity(IntegrityHook):
37668bf302f5 improve massive deletion performance
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6838
diff changeset
   134
    """check cardinalities are satisfied"""
37668bf302f5 improve massive deletion performance
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6838
diff changeset
   135
    __regid__ = 'checkcard_after_add_entity'
37668bf302f5 improve massive deletion performance
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6838
diff changeset
   136
    events = ('after_add_entity',)
37668bf302f5 improve massive deletion performance
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6838
diff changeset
   137
37668bf302f5 improve massive deletion performance
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6838
diff changeset
   138
    def __call__(self):
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
   139
        eid = self.entity.eid
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
   140
        eschema = self.entity.e_schema
3890
d7a270f50f54 backport stable branch (one more time painfully)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3731
diff changeset
   141
        for rschema, targetschemas, role in eschema.relation_definitions():
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
   142
            # skip automatically handled relations
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
   143
            if rschema.type in DONT_CHECK_RTYPES_ON_ADD:
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
   144
                continue
3890
d7a270f50f54 backport stable branch (one more time painfully)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3731
diff changeset
   145
            rdef = rschema.role_rdef(eschema, targetschemas[0], role)
d7a270f50f54 backport stable branch (one more time painfully)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3731
diff changeset
   146
            if rdef.role_cardinality(role) in '1+':
5060
ee3b856e1406 [repo] optimize massive insertion/deletion by using the new set_operation function
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5030
diff changeset
   147
                if role == 'subject':
6426
541659c39f6a [hook/operation] nicer api to achieve same result as set_operation, as described in #1253630
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6376
diff changeset
   148
                    op = _CheckSRelationOp.get_instance(self._cw)
5060
ee3b856e1406 [repo] optimize massive insertion/deletion by using the new set_operation function
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5030
diff changeset
   149
                else:
6426
541659c39f6a [hook/operation] nicer api to achieve same result as set_operation, as described in #1253630
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6376
diff changeset
   150
                    op = _CheckORelationOp.get_instance(self._cw)
541659c39f6a [hook/operation] nicer api to achieve same result as set_operation, as described in #1253630
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6376
diff changeset
   151
                op.add_data((eid, rschema.type))
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
   152
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
   153
6426
541659c39f6a [hook/operation] nicer api to achieve same result as set_operation, as described in #1253630
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6376
diff changeset
   154
class _CheckConstraintsOp(hook.DataOperationMixIn, hook.LateOperation):
5450
269dcd14b92c [hooks/integrity & tests/entities] fix test to check for sibling error (set_operations yields a different order for constraints)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 5449
diff changeset
   155
    """ check a new relation satisfy its constraints """
6426
541659c39f6a [hook/operation] nicer api to achieve same result as set_operation, as described in #1253630
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6376
diff changeset
   156
    containercls = list
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
   157
    def precommit_event(self):
5448
9bf648d678cd [hooks/operations] use set_operations for three ops (huge gains for massive imports)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 5426
diff changeset
   158
        session = self.session
6426
541659c39f6a [hook/operation] nicer api to achieve same result as set_operation, as described in #1253630
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6376
diff changeset
   159
        for values in self.get_data():
5450
269dcd14b92c [hooks/integrity & tests/entities] fix test to check for sibling error (set_operations yields a different order for constraints)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 5449
diff changeset
   160
            eidfrom, rtype, eidto, constraints = values
5448
9bf648d678cd [hooks/operations] use set_operations for three ops (huge gains for massive imports)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 5426
diff changeset
   161
            # first check related entities have not been deleted in the same
9bf648d678cd [hooks/operations] use set_operations for three ops (huge gains for massive imports)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 5426
diff changeset
   162
            # transaction
9bf648d678cd [hooks/operations] use set_operations for three ops (huge gains for massive imports)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 5426
diff changeset
   163
            if session.deleted_in_transaction(eidfrom):
6894
ba3f7e655414 we must check constraint for all concerned entities and not stop at the first deleted one
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6889
diff changeset
   164
                continue
5448
9bf648d678cd [hooks/operations] use set_operations for three ops (huge gains for massive imports)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 5426
diff changeset
   165
            if session.deleted_in_transaction(eidto):
6894
ba3f7e655414 we must check constraint for all concerned entities and not stop at the first deleted one
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6889
diff changeset
   166
                continue
5448
9bf648d678cd [hooks/operations] use set_operations for three ops (huge gains for massive imports)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 5426
diff changeset
   167
            for constraint in constraints:
9bf648d678cd [hooks/operations] use set_operations for three ops (huge gains for massive imports)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 5426
diff changeset
   168
                # XXX
9bf648d678cd [hooks/operations] use set_operations for three ops (huge gains for massive imports)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 5426
diff changeset
   169
                # * lock RQLConstraint as well?
9bf648d678cd [hooks/operations] use set_operations for three ops (huge gains for massive imports)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 5426
diff changeset
   170
                # * use a constraint id to use per constraint lock and avoid
9bf648d678cd [hooks/operations] use set_operations for three ops (huge gains for massive imports)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 5426
diff changeset
   171
                #   unnecessary commit serialization ?
9bf648d678cd [hooks/operations] use set_operations for three ops (huge gains for massive imports)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 5426
diff changeset
   172
                if isinstance(constraint, RQLUniqueConstraint):
9bf648d678cd [hooks/operations] use set_operations for three ops (huge gains for massive imports)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 5426
diff changeset
   173
                    _acquire_unique_cstr_lock(session)
9bf648d678cd [hooks/operations] use set_operations for three ops (huge gains for massive imports)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 5426
diff changeset
   174
                try:
9bf648d678cd [hooks/operations] use set_operations for three ops (huge gains for massive imports)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 5426
diff changeset
   175
                    constraint.repo_check(session, eidfrom, rtype, eidto)
9bf648d678cd [hooks/operations] use set_operations for three ops (huge gains for massive imports)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 5426
diff changeset
   176
                except NotImplementedError:
9bf648d678cd [hooks/operations] use set_operations for three ops (huge gains for massive imports)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 5426
diff changeset
   177
                    self.critical('can\'t check constraint %s, not supported',
9bf648d678cd [hooks/operations] use set_operations for three ops (huge gains for massive imports)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 5426
diff changeset
   178
                                  constraint)
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
   179
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
   180
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: 4530
diff changeset
   181
class CheckConstraintHook(IntegrityHook):
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
   182
    """check the relation satisfy its constraints
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
   183
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
   184
    this is delayed to a precommit time operation since other relation which
3630
275feb5370c9 oops, feature killed by merge...
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3590
diff changeset
   185
    will make constraint satisfied (or unsatisfied) may be added later.
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
   186
    """
3376
f5c69485381f [appobjects] use __regid__ instead of __id__, more explicit
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3086
diff changeset
   187
    __regid__ = 'checkconstraint'
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
   188
    events = ('after_add_relation',)
2841
107ba1c45227 rewrite hooks in sobjects as new Hook style into hooks sub-package
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2835
diff changeset
   189
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
   190
    def __call__(self):
3998
94cc7cad3d2d backport stable into default
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3894
diff changeset
   191
        # XXX get only RQL[Unique]Constraints?
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: 7495
diff changeset
   192
        rdef = self._cw.rtype_eids_rdef(self.rtype, self.eidfrom, self.eidto)
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: 7495
diff changeset
   193
        constraints = rdef.constraints
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
   194
        if constraints:
6426
541659c39f6a [hook/operation] nicer api to achieve same result as set_operation, as described in #1253630
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6376
diff changeset
   195
            _CheckConstraintsOp.get_instance(self._cw).add_data(
541659c39f6a [hook/operation] nicer api to achieve same result as set_operation, as described in #1253630
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6376
diff changeset
   196
                (self.eidfrom, self.rtype, self.eidto, constraints))
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
   197
4027
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4024
diff changeset
   198
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: 4530
diff changeset
   199
class CheckAttributeConstraintHook(IntegrityHook):
3630
275feb5370c9 oops, feature killed by merge...
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3590
diff changeset
   200
    """check the attribute relation satisfy its constraints
275feb5370c9 oops, feature killed by merge...
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3590
diff changeset
   201
275feb5370c9 oops, feature killed by merge...
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3590
diff changeset
   202
    this is delayed to a precommit time operation since other relation which
275feb5370c9 oops, feature killed by merge...
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3590
diff changeset
   203
    will make constraint satisfied (or unsatisfied) may be added later.
275feb5370c9 oops, feature killed by merge...
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3590
diff changeset
   204
    """
275feb5370c9 oops, feature killed by merge...
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3590
diff changeset
   205
    __regid__ = 'checkattrconstraint'
275feb5370c9 oops, feature killed by merge...
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3590
diff changeset
   206
    events = ('after_add_entity', 'after_update_entity')
275feb5370c9 oops, feature killed by merge...
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3590
diff changeset
   207
275feb5370c9 oops, feature killed by merge...
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3590
diff changeset
   208
    def __call__(self):
4190
742e3eb16f81 fix bad merge
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4181
diff changeset
   209
        eschema = self.entity.e_schema
6142
8bc6eac1fac1 [session] cleanup hook / operation / entity edition api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5877
diff changeset
   210
        for attr in self.entity.cw_edited:
4181
c79135c217df backport stable
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4075
diff changeset
   211
            if eschema.subjrels[attr].final:
c79135c217df backport stable
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4075
diff changeset
   212
                constraints = [c for c in eschema.rdef(attr).constraints
3998
94cc7cad3d2d backport stable into default
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3894
diff changeset
   213
                               if isinstance(c, (RQLUniqueConstraint, RQLConstraint))]
3630
275feb5370c9 oops, feature killed by merge...
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3590
diff changeset
   214
                if constraints:
6426
541659c39f6a [hook/operation] nicer api to achieve same result as set_operation, as described in #1253630
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6376
diff changeset
   215
                    _CheckConstraintsOp.get_instance(self._cw).add_data(
541659c39f6a [hook/operation] nicer api to achieve same result as set_operation, as described in #1253630
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6376
diff changeset
   216
                        (self.entity.eid, attr, None, constraints))
3630
275feb5370c9 oops, feature killed by merge...
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3590
diff changeset
   217
2841
107ba1c45227 rewrite hooks in sobjects as new Hook style into hooks sub-package
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2835
diff changeset
   218
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: 4530
diff changeset
   219
class CheckUniqueHook(IntegrityHook):
3376
f5c69485381f [appobjects] use __regid__ instead of __id__, more explicit
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3086
diff changeset
   220
    __regid__ = 'checkunique'
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
   221
    events = ('before_add_entity', 'before_update_entity')
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
   222
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
   223
    def __call__(self):
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
   224
        entity = self.entity
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
   225
        eschema = entity.e_schema
6142
8bc6eac1fac1 [session] cleanup hook / operation / entity edition api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5877
diff changeset
   226
        for attr, val in entity.cw_edited.iteritems():
4024
6a14cff373c3 more api update
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4023
diff changeset
   227
            if eschema.subjrels[attr].final and eschema.has_unique_values(attr):
3086
94ed8f0f0d14 only get value when necessary to check uniqueness
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2968
diff changeset
   228
                if val is None:
94ed8f0f0d14 only get value when necessary to check uniqueness
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2968
diff changeset
   229
                    continue
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
   230
                rql = '%s X WHERE X %s %%(val)s' % (entity.e_schema, attr)
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: 4530
diff changeset
   231
                rset = self._cw.execute(rql, {'val': val})
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
   232
                if rset and rset[0][0] != entity.eid:
8556
bbe0d6985e59 [validation error] refactor validation error handling so translation is done on the web side
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8508
diff changeset
   233
                    msg = _('the value "%s" is already used, use another one')
bbe0d6985e59 [validation error] refactor validation error handling so translation is done on the web side
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8508
diff changeset
   234
                    raise validation_error(entity, {(attr, 'subject'): msg},
bbe0d6985e59 [validation error] refactor validation error handling so translation is done on the web side
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8508
diff changeset
   235
                                           (val,))
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
   236
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
   237
2841
107ba1c45227 rewrite hooks in sobjects as new Hook style into hooks sub-package
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2835
diff changeset
   238
class DontRemoveOwnersGroupHook(IntegrityHook):
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
   239
    """delete the composed of a composite relation when this relation is deleted
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
   240
    """
3376
f5c69485381f [appobjects] use __regid__ instead of __id__, more explicit
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3086
diff changeset
   241
    __regid__ = 'checkownersgroup'
5877
0c7b7b76a84f [selectors] provide a new, optimized, is_instance selector that should at some point replace implements (along with the adaptable selector)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5538
diff changeset
   242
    __select__ = IntegrityHook.__select__ & is_instance('CWGroup')
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
   243
    events = ('before_delete_entity', 'before_update_entity')
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
   244
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
   245
    def __call__(self):
6142
8bc6eac1fac1 [session] cleanup hook / operation / entity edition api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5877
diff changeset
   246
        entity = self.entity
8bc6eac1fac1 [session] cleanup hook / operation / entity edition api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5877
diff changeset
   247
        if self.event == 'before_delete_entity' and entity.name == 'owners':
8556
bbe0d6985e59 [validation error] refactor validation error handling so translation is done on the web side
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8508
diff changeset
   248
            raise validation_error(entity, {None: _("can't be deleted")})
6142
8bc6eac1fac1 [session] cleanup hook / operation / entity edition api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5877
diff changeset
   249
        elif self.event == 'before_update_entity' \
8bc6eac1fac1 [session] cleanup hook / operation / entity edition api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5877
diff changeset
   250
                 and 'name' in entity.cw_edited:
8bc6eac1fac1 [session] cleanup hook / operation / entity edition api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5877
diff changeset
   251
            oldname, newname = entity.cw_edited.oldnewvalue('name')
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
   252
            if oldname == 'owners' and newname != oldname:
8556
bbe0d6985e59 [validation error] refactor validation error handling so translation is done on the web side
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8508
diff changeset
   253
                raise validation_error(entity, {('name', 'subject'): _("can't be changed")})
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
   254
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
   255
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: 4530
diff changeset
   256
class TidyHtmlFields(IntegrityHook):
2841
107ba1c45227 rewrite hooks in sobjects as new Hook style into hooks sub-package
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2835
diff changeset
   257
    """tidy HTML in rich text strings"""
3376
f5c69485381f [appobjects] use __regid__ instead of __id__, more explicit
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3086
diff changeset
   258
    __regid__ = 'htmltidy'
2841
107ba1c45227 rewrite hooks in sobjects as new Hook style into hooks sub-package
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2835
diff changeset
   259
    events = ('before_add_entity', 'before_update_entity')
107ba1c45227 rewrite hooks in sobjects as new Hook style into hooks sub-package
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2835
diff changeset
   260
107ba1c45227 rewrite hooks in sobjects as new Hook style into hooks sub-package
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2835
diff changeset
   261
    def __call__(self):
107ba1c45227 rewrite hooks in sobjects as new Hook style into hooks sub-package
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2835
diff changeset
   262
        entity = self.entity
107ba1c45227 rewrite hooks in sobjects as new Hook style into hooks sub-package
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2835
diff changeset
   263
        metaattrs = entity.e_schema.meta_attributes()
6142
8bc6eac1fac1 [session] cleanup hook / operation / entity edition api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5877
diff changeset
   264
        edited = entity.cw_edited
2841
107ba1c45227 rewrite hooks in sobjects as new Hook style into hooks sub-package
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2835
diff changeset
   265
        for metaattr, (metadata, attr) in metaattrs.iteritems():
6142
8bc6eac1fac1 [session] cleanup hook / operation / entity edition api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5877
diff changeset
   266
            if metadata == 'format' and attr in edited:
2841
107ba1c45227 rewrite hooks in sobjects as new Hook style into hooks sub-package
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2835
diff changeset
   267
                try:
6142
8bc6eac1fac1 [session] cleanup hook / operation / entity edition api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5877
diff changeset
   268
                    value = edited[attr]
2841
107ba1c45227 rewrite hooks in sobjects as new Hook style into hooks sub-package
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2835
diff changeset
   269
                except KeyError:
107ba1c45227 rewrite hooks in sobjects as new Hook style into hooks sub-package
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2835
diff changeset
   270
                    continue # no text to tidy
107ba1c45227 rewrite hooks in sobjects as new Hook style into hooks sub-package
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2835
diff changeset
   271
                if isinstance(value, unicode): # filter out None and Binary
107ba1c45227 rewrite hooks in sobjects as new Hook style into hooks sub-package
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2835
diff changeset
   272
                    if getattr(entity, str(metaattr)) == 'text/html':
6142
8bc6eac1fac1 [session] cleanup hook / operation / entity edition api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5877
diff changeset
   273
                        edited[attr] = soup2xhtml(value, self._cw.encoding)
2841
107ba1c45227 rewrite hooks in sobjects as new Hook style into hooks sub-package
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2835
diff changeset
   274
107ba1c45227 rewrite hooks in sobjects as new Hook style into hooks sub-package
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2835
diff changeset
   275
107ba1c45227 rewrite hooks in sobjects as new Hook style into hooks sub-package
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2835
diff changeset
   276
class StripCWUserLoginHook(IntegrityHook):
107ba1c45227 rewrite hooks in sobjects as new Hook style into hooks sub-package
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2835
diff changeset
   277
    """ensure user logins are stripped"""
3376
f5c69485381f [appobjects] use __regid__ instead of __id__, more explicit
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3086
diff changeset
   278
    __regid__ = 'stripuserlogin'
5877
0c7b7b76a84f [selectors] provide a new, optimized, is_instance selector that should at some point replace implements (along with the adaptable selector)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5538
diff changeset
   279
    __select__ = IntegrityHook.__select__ & is_instance('CWUser')
2841
107ba1c45227 rewrite hooks in sobjects as new Hook style into hooks sub-package
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2835
diff changeset
   280
    events = ('before_add_entity', 'before_update_entity',)
107ba1c45227 rewrite hooks in sobjects as new Hook style into hooks sub-package
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2835
diff changeset
   281
2900
9d65e0350aa1 api update
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2896
diff changeset
   282
    def __call__(self):
6142
8bc6eac1fac1 [session] cleanup hook / operation / entity edition api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5877
diff changeset
   283
        login = self.entity.cw_edited.get('login')
8bc6eac1fac1 [session] cleanup hook / operation / entity edition api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5877
diff changeset
   284
        if login:
8bc6eac1fac1 [session] cleanup hook / operation / entity edition api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5877
diff changeset
   285
            self.entity.cw_edited['login'] = login.strip()
5007
bc0a67a95b69 don't put hooks deleting orphan composites into the 'integrity' category, we usually want it when integrity is deactivated
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4835
diff changeset
   286
bc0a67a95b69 don't put hooks deleting orphan composites into the 'integrity' category, we usually want it when integrity is deactivated
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4835
diff changeset
   287
bc0a67a95b69 don't put hooks deleting orphan composites into the 'integrity' category, we usually want it when integrity is deactivated
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4835
diff changeset
   288
# 'active' integrity hooks: you usually don't want to deactivate them, they are
bc0a67a95b69 don't put hooks deleting orphan composites into the 'integrity' category, we usually want it when integrity is deactivated
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4835
diff changeset
   289
# not really integrity check, they maintain consistency on changes
bc0a67a95b69 don't put hooks deleting orphan composites into the 'integrity' category, we usually want it when integrity is deactivated
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4835
diff changeset
   290
6426
541659c39f6a [hook/operation] nicer api to achieve same result as set_operation, as described in #1253630
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6376
diff changeset
   291
class _DelayedDeleteOp(hook.DataOperationMixIn, hook.Operation):
5060
ee3b856e1406 [repo] optimize massive insertion/deletion by using the new set_operation function
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5030
diff changeset
   292
    """delete the object of composite relation except if the relation has
ee3b856e1406 [repo] optimize massive insertion/deletion by using the new set_operation function
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5030
diff changeset
   293
    actually been redirected to another composite
5007
bc0a67a95b69 don't put hooks deleting orphan composites into the 'integrity' category, we usually want it when integrity is deactivated
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4835
diff changeset
   294
    """
6426
541659c39f6a [hook/operation] nicer api to achieve same result as set_operation, as described in #1253630
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6376
diff changeset
   295
    base_rql = None
5007
bc0a67a95b69 don't put hooks deleting orphan composites into the 'integrity' category, we usually want it when integrity is deactivated
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4835
diff changeset
   296
bc0a67a95b69 don't put hooks deleting orphan composites into the 'integrity' category, we usually want it when integrity is deactivated
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4835
diff changeset
   297
    def precommit_event(self):
bc0a67a95b69 don't put hooks deleting orphan composites into the 'integrity' category, we usually want it when integrity is deactivated
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4835
diff changeset
   298
        session = self.session
5060
ee3b856e1406 [repo] optimize massive insertion/deletion by using the new set_operation function
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5030
diff changeset
   299
        pendingeids = session.transaction_data.get('pendingeids', ())
6889
37668bf302f5 improve massive deletion performance
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6838
diff changeset
   300
        eids_by_etype_rtype = {}
6426
541659c39f6a [hook/operation] nicer api to achieve same result as set_operation, as described in #1253630
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6376
diff changeset
   301
        for eid, rtype in self.get_data():
8502
c6ab3b335a22 [composite] apply composite on new enty too (closes #2450679)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 7502
diff changeset
   302
            # don't do anything if the entity is being deleted
c6ab3b335a22 [composite] apply composite on new enty too (closes #2450679)
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 7502
diff changeset
   303
            if eid not in pendingeids:
5060
ee3b856e1406 [repo] optimize massive insertion/deletion by using the new set_operation function
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5030
diff changeset
   304
                etype = session.describe(eid)[0]
6889
37668bf302f5 improve massive deletion performance
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6838
diff changeset
   305
                key = (etype, rtype)
37668bf302f5 improve massive deletion performance
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6838
diff changeset
   306
                if key not in eids_by_etype_rtype:
37668bf302f5 improve massive deletion performance
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6838
diff changeset
   307
                    eids_by_etype_rtype[key] = [str(eid)]
37668bf302f5 improve massive deletion performance
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6838
diff changeset
   308
                else:
37668bf302f5 improve massive deletion performance
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6838
diff changeset
   309
                    eids_by_etype_rtype[key].append(str(eid))
37668bf302f5 improve massive deletion performance
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6838
diff changeset
   310
        for (etype, rtype), eids in eids_by_etype_rtype.iteritems():
37668bf302f5 improve massive deletion performance
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6838
diff changeset
   311
            # quite unexpectedly, not deleting too many entities at a time in
37668bf302f5 improve massive deletion performance
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6838
diff changeset
   312
            # this operation benefits to the exec speed (possibly on the RQL
37668bf302f5 improve massive deletion performance
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6838
diff changeset
   313
            # parsing side)
37668bf302f5 improve massive deletion performance
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6838
diff changeset
   314
            start = 0
37668bf302f5 improve massive deletion performance
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6838
diff changeset
   315
            incr = 500
37668bf302f5 improve massive deletion performance
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6838
diff changeset
   316
            while start < len(eids):
37668bf302f5 improve massive deletion performance
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6838
diff changeset
   317
                session.execute(self.base_rql % (etype, ','.join(eids[start:start+incr]), rtype))
37668bf302f5 improve massive deletion performance
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6838
diff changeset
   318
                start += incr
5060
ee3b856e1406 [repo] optimize massive insertion/deletion by using the new set_operation function
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5030
diff changeset
   319
ee3b856e1406 [repo] optimize massive insertion/deletion by using the new set_operation function
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5030
diff changeset
   320
class _DelayedDeleteSEntityOp(_DelayedDeleteOp):
ee3b856e1406 [repo] optimize massive insertion/deletion by using the new set_operation function
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5030
diff changeset
   321
    """delete orphan subject entity of a composite relation"""
6889
37668bf302f5 improve massive deletion performance
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6838
diff changeset
   322
    base_rql = 'DELETE %s X WHERE X eid IN (%s), NOT X %s Y'
5060
ee3b856e1406 [repo] optimize massive insertion/deletion by using the new set_operation function
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5030
diff changeset
   323
ee3b856e1406 [repo] optimize massive insertion/deletion by using the new set_operation function
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5030
diff changeset
   324
class _DelayedDeleteOEntityOp(_DelayedDeleteOp):
ee3b856e1406 [repo] optimize massive insertion/deletion by using the new set_operation function
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5030
diff changeset
   325
    """check required object relation"""
6889
37668bf302f5 improve massive deletion performance
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6838
diff changeset
   326
    base_rql = 'DELETE %s X WHERE X eid IN (%s), NOT Y %s X'
5007
bc0a67a95b69 don't put hooks deleting orphan composites into the 'integrity' category, we usually want it when integrity is deactivated
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4835
diff changeset
   327
bc0a67a95b69 don't put hooks deleting orphan composites into the 'integrity' category, we usually want it when integrity is deactivated
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4835
diff changeset
   328
bc0a67a95b69 don't put hooks deleting orphan composites into the 'integrity' category, we usually want it when integrity is deactivated
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4835
diff changeset
   329
class DeleteCompositeOrphanHook(hook.Hook):
bc0a67a95b69 don't put hooks deleting orphan composites into the 'integrity' category, we usually want it when integrity is deactivated
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4835
diff changeset
   330
    """delete the composed of a composite relation when this relation is deleted
bc0a67a95b69 don't put hooks deleting orphan composites into the 'integrity' category, we usually want it when integrity is deactivated
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4835
diff changeset
   331
    """
bc0a67a95b69 don't put hooks deleting orphan composites into the 'integrity' category, we usually want it when integrity is deactivated
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4835
diff changeset
   332
    __regid__ = 'deletecomposite'
bc0a67a95b69 don't put hooks deleting orphan composites into the 'integrity' category, we usually want it when integrity is deactivated
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4835
diff changeset
   333
    events = ('before_delete_relation',)
bc0a67a95b69 don't put hooks deleting orphan composites into the 'integrity' category, we usually want it when integrity is deactivated
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4835
diff changeset
   334
    category = 'activeintegrity'
bc0a67a95b69 don't put hooks deleting orphan composites into the 'integrity' category, we usually want it when integrity is deactivated
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4835
diff changeset
   335
bc0a67a95b69 don't put hooks deleting orphan composites into the 'integrity' category, we usually want it when integrity is deactivated
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4835
diff changeset
   336
    def __call__(self):
bc0a67a95b69 don't put hooks deleting orphan composites into the 'integrity' category, we usually want it when integrity is deactivated
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4835
diff changeset
   337
        # if the relation is being delete, don't delete composite's components
bc0a67a95b69 don't put hooks deleting orphan composites into the 'integrity' category, we usually want it when integrity is deactivated
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4835
diff changeset
   338
        # automatically
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: 7495
diff changeset
   339
        session = self._cw
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: 7495
diff changeset
   340
        rtype = self.rtype
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: 7495
diff changeset
   341
        rdef = session.rtype_eids_rdef(rtype, self.eidfrom, self.eidto)
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: 7495
diff changeset
   342
        if (rdef.subject, rtype, rdef.object) in session.transaction_data.get('pendingrdefs', ()):
5007
bc0a67a95b69 don't put hooks deleting orphan composites into the 'integrity' category, we usually want it when integrity is deactivated
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4835
diff changeset
   343
            return
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: 7495
diff changeset
   344
        composite = rdef.composite
5007
bc0a67a95b69 don't put hooks deleting orphan composites into the 'integrity' category, we usually want it when integrity is deactivated
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4835
diff changeset
   345
        if composite == 'subject':
6426
541659c39f6a [hook/operation] nicer api to achieve same result as set_operation, as described in #1253630
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6376
diff changeset
   346
            _DelayedDeleteOEntityOp.get_instance(self._cw).add_data(
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: 7495
diff changeset
   347
                (self.eidto, rtype))
5007
bc0a67a95b69 don't put hooks deleting orphan composites into the 'integrity' category, we usually want it when integrity is deactivated
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4835
diff changeset
   348
        elif composite == 'object':
6426
541659c39f6a [hook/operation] nicer api to achieve same result as set_operation, as described in #1253630
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6376
diff changeset
   349
            _DelayedDeleteSEntityOp.get_instance(self._cw).add_data(
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: 7495
diff changeset
   350
                (self.eidfrom, rtype))