_exceptions.py
author Julien Cristau <julien.cristau@logilab.fr>
Mon, 12 Oct 2015 18:42:38 +0200
changeset 10782 65bb683d2a51
parent 10703 3cb87b61b067
child 10829 550c2d27339f
permissions -rw-r--r--
[web/test] Binary eats bytes
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
9375
8e88576787c3 [schema] fix unique together index handling
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9347
diff changeset
     1
# copyright 2003-2013 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: 5273
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: 5273
diff changeset
     3
#
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5273
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: 5273
diff changeset
     5
#
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5273
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: 5273
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: 5273
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: 5273
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: 5273
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: 5273
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: 5273
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: 5273
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: 5273
diff changeset
    15
#
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5273
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: 5273
diff changeset
    17
# with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.
8190
2a3c1b787688 [vreg] move base registry implementation to logilab.common. Closes #1916014
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6491
diff changeset
    18
"""Exceptions shared by different cubicweb packages."""
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    19
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    20
__docformat__ = "restructuredtext en"
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    21
9375
8e88576787c3 [schema] fix unique together index handling
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9347
diff changeset
    22
from warnings import warn
8e88576787c3 [schema] fix unique together index handling
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9347
diff changeset
    23
10703
3cb87b61b067 [py3k] __unicode__ and __str__
Rémi Cardona <remi.cardona@logilab.fr>
parents: 10446
diff changeset
    24
from six import PY3, text_type
3cb87b61b067 [py3k] __unicode__ and __str__
Rémi Cardona <remi.cardona@logilab.fr>
parents: 10446
diff changeset
    25
9375
8e88576787c3 [schema] fix unique together index handling
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9347
diff changeset
    26
from logilab.common.decorators import cachedproperty
8e88576787c3 [schema] fix unique together index handling
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9347
diff changeset
    27
10280
2cdab5e33542 [i18n] properly translate error messages related to violated unicity constraint.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 9543
diff changeset
    28
from yams import ValidationError
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    29
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    30
# abstract exceptions #########################################################
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    31
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    32
class CubicWebException(Exception):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    33
    """base class for cubicweb server exception"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    34
    msg = ""
10703
3cb87b61b067 [py3k] __unicode__ and __str__
Rémi Cardona <remi.cardona@logilab.fr>
parents: 10446
diff changeset
    35
    def __unicode__(self):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    36
        if self.msg:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    37
            if self.args:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    38
                return self.msg % tuple(self.args)
8265
9747ab9230ad [repo, undo] Finish repository-side implementation of the undo feature (closes #893940)
Anthony Truchet <anthony.truchet@logilab.fr>
parents: 8190
diff changeset
    39
            else:
9747ab9230ad [repo, undo] Finish repository-side implementation of the undo feature (closes #893940)
Anthony Truchet <anthony.truchet@logilab.fr>
parents: 8190
diff changeset
    40
                return self.msg
9747ab9230ad [repo, undo] Finish repository-side implementation of the undo feature (closes #893940)
Anthony Truchet <anthony.truchet@logilab.fr>
parents: 8190
diff changeset
    41
        else:
10703
3cb87b61b067 [py3k] __unicode__ and __str__
Rémi Cardona <remi.cardona@logilab.fr>
parents: 10446
diff changeset
    42
            return u' '.join(text_type(arg) for arg in self.args)
3cb87b61b067 [py3k] __unicode__ and __str__
Rémi Cardona <remi.cardona@logilab.fr>
parents: 10446
diff changeset
    43
    __str__ = __unicode__ if PY3 else lambda self: self.__unicode__().encode('utf-8')
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    44
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    45
class ConfigurationError(CubicWebException):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    46
    """a misconfiguration error"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    47
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    48
class InternalError(CubicWebException):
1802
d628defebc17 delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1155
diff changeset
    49
    """base class for exceptions which should not occurs"""
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    50
1802
d628defebc17 delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1155
diff changeset
    51
class SecurityError(CubicWebException):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    52
    """base class for cubicweb server security exception"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    53
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    54
class RepositoryError(CubicWebException):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    55
    """base class for repository exceptions"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    56
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    57
class SourceException(CubicWebException):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    58
    """base class for source exceptions"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    59
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    60
class CubicWebRuntimeError(CubicWebException):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    61
    """base class for runtime exceptions"""
1802
d628defebc17 delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1155
diff changeset
    62
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    63
# repository exceptions #######################################################
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    64
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    65
class ConnectionError(RepositoryError):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    66
    """raised when a bad connection id is given or when an attempt to establish
5032
e3fa27fc0d9a cleanup
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4911
diff changeset
    67
    a connection failed
e3fa27fc0d9a cleanup
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4911
diff changeset
    68
    """
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    69
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    70
class AuthenticationError(ConnectionError):
9175
a7412e884d7b fix typos in docstring, doc and comments
Julien Cristau <julien.cristau@logilab.fr>
parents: 8695
diff changeset
    71
    """raised when an attempt to establish a connection failed due to wrong
5032
e3fa27fc0d9a cleanup
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4911
diff changeset
    72
    connection information (login / password or other authentication token)
4911
898c35be5873 #750055: make it easier to change post logout url
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4270
diff changeset
    73
    """
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    74
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    75
class BadConnectionId(ConnectionError):
5032
e3fa27fc0d9a cleanup
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4911
diff changeset
    76
    """raised when a bad connection id is given"""
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    77
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    78
class UnknownEid(RepositoryError):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    79
    """the eid is not defined in the system tables"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    80
    msg = 'No entity with eid %s in the repository'
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    81
6211
e9d125fd1465 nicer error reporting for unique together constraints
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 5426
diff changeset
    82
class UniqueTogetherError(RepositoryError):
e9d125fd1465 nicer error reporting for unique together constraints
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 5426
diff changeset
    83
    """raised when a unique_together constraint caused an IntegrityError"""
9375
8e88576787c3 [schema] fix unique together index handling
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9347
diff changeset
    84
    def __init__(self, session, **kwargs):
8e88576787c3 [schema] fix unique together index handling
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9347
diff changeset
    85
        self.session = session
8e88576787c3 [schema] fix unique together index handling
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9347
diff changeset
    86
        assert 'rtypes' in kwargs or 'cstrname' in kwargs
8e88576787c3 [schema] fix unique together index handling
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9347
diff changeset
    87
        self.kwargs = kwargs
10320
facbb38c4c1a [exceptions] avoid calling UniqueExceptionError.rtypes after closing the session
Julien Cristau <julien.cristau@logilab.fr>
parents: 10280
diff changeset
    88
        # fill cache while the session is open
facbb38c4c1a [exceptions] avoid calling UniqueExceptionError.rtypes after closing the session
Julien Cristau <julien.cristau@logilab.fr>
parents: 10280
diff changeset
    89
        self.rtypes
9375
8e88576787c3 [schema] fix unique together index handling
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9347
diff changeset
    90
8e88576787c3 [schema] fix unique together index handling
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9347
diff changeset
    91
    @cachedproperty
8e88576787c3 [schema] fix unique together index handling
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9347
diff changeset
    92
    def rtypes(self):
8e88576787c3 [schema] fix unique together index handling
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9347
diff changeset
    93
        if 'rtypes' in self.kwargs:
8e88576787c3 [schema] fix unique together index handling
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9347
diff changeset
    94
            return self.kwargs['rtypes']
8e88576787c3 [schema] fix unique together index handling
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9347
diff changeset
    95
        cstrname = unicode(self.kwargs['cstrname'])
8e88576787c3 [schema] fix unique together index handling
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9347
diff changeset
    96
        cstr = self.session.find('CWUniqueTogetherConstraint', name=cstrname).one()
8e88576787c3 [schema] fix unique together index handling
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9347
diff changeset
    97
        return sorted(rtype.name for rtype in cstr.relations)
8e88576787c3 [schema] fix unique together index handling
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9347
diff changeset
    98
8e88576787c3 [schema] fix unique together index handling
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9347
diff changeset
    99
    @cachedproperty
8e88576787c3 [schema] fix unique together index handling
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9347
diff changeset
   100
    def args(self):
8e88576787c3 [schema] fix unique together index handling
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9347
diff changeset
   101
        warn('[3.18] UniqueTogetherError.args is deprecated, just use '
8e88576787c3 [schema] fix unique together index handling
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9347
diff changeset
   102
             'the .rtypes accessor.',
8e88576787c3 [schema] fix unique together index handling
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9347
diff changeset
   103
             DeprecationWarning)
8e88576787c3 [schema] fix unique together index handling
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9347
diff changeset
   104
        # the first argument, etype, is never used and was never garanteed anyway
8e88576787c3 [schema] fix unique together index handling
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9347
diff changeset
   105
        return None, self.rtypes
1802
d628defebc17 delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1155
diff changeset
   106
8265
9747ab9230ad [repo, undo] Finish repository-side implementation of the undo feature (closes #893940)
Anthony Truchet <anthony.truchet@logilab.fr>
parents: 8190
diff changeset
   107
10446
1e6655cff5ab add IUserFriendlyError adapter for violation of check constraints
Julien Cristau <julien.cristau@logilab.fr>
parents: 10320
diff changeset
   108
class ViolatedConstraint(RepositoryError):
1e6655cff5ab add IUserFriendlyError adapter for violation of check constraints
Julien Cristau <julien.cristau@logilab.fr>
parents: 10320
diff changeset
   109
    def __init__(self, cnx, cstrname):
1e6655cff5ab add IUserFriendlyError adapter for violation of check constraints
Julien Cristau <julien.cristau@logilab.fr>
parents: 10320
diff changeset
   110
        self.cnx = cnx
1e6655cff5ab add IUserFriendlyError adapter for violation of check constraints
Julien Cristau <julien.cristau@logilab.fr>
parents: 10320
diff changeset
   111
        self.cstrname = cstrname
1e6655cff5ab add IUserFriendlyError adapter for violation of check constraints
Julien Cristau <julien.cristau@logilab.fr>
parents: 10320
diff changeset
   112
1e6655cff5ab add IUserFriendlyError adapter for violation of check constraints
Julien Cristau <julien.cristau@logilab.fr>
parents: 10320
diff changeset
   113
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   114
# security exceptions #########################################################
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   115
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   116
class Unauthorized(SecurityError):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   117
    """raised when a user tries to perform an action without sufficient
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   118
    credentials
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   119
    """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   120
    msg = 'You are not allowed to perform this operation'
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   121
    msg1 = 'You are not allowed to perform %s operation on %s'
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   122
    var = None
1802
d628defebc17 delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1155
diff changeset
   123
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   124
    def __str__(self):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   125
        try:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   126
            if self.args and len(self.args) == 2:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   127
                return self.msg1 % self.args
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   128
            if self.args:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   129
                return ' '.join(self.args)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   130
            return self.msg
8695
358d8bed9626 [toward-py3k] rewrite to "except AnException as exc:" (part of #2711624)
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents: 8609
diff changeset
   131
        except Exception as ex:
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   132
            return str(ex)
1802
d628defebc17 delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1155
diff changeset
   133
8602
d066ba3bb07d [web] add a Forbidden exception
David Douard <david.douard@logilab.fr>
parents: 8265
diff changeset
   134
class Forbidden(SecurityError):
d066ba3bb07d [web] add a Forbidden exception
David Douard <david.douard@logilab.fr>
parents: 8265
diff changeset
   135
    """raised when a user tries to perform a forbidden action
d066ba3bb07d [web] add a Forbidden exception
David Douard <david.douard@logilab.fr>
parents: 8265
diff changeset
   136
    """
d066ba3bb07d [web] add a Forbidden exception
David Douard <david.douard@logilab.fr>
parents: 8265
diff changeset
   137
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   138
# source exceptions ###########################################################
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   139
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   140
class EidNotInSource(SourceException):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   141
    """trying to access an object with a particular eid from a particular
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   142
    source has failed
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   143
    """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   144
    msg = 'No entity with eid %s in %s'
1802
d628defebc17 delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1155
diff changeset
   145
d628defebc17 delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1155
diff changeset
   146
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   147
# registry exceptions #########################################################
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   148
8190
2a3c1b787688 [vreg] move base registry implementation to logilab.common. Closes #1916014
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6491
diff changeset
   149
# pre 3.15 bw compat
2a3c1b787688 [vreg] move base registry implementation to logilab.common. Closes #1916014
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6491
diff changeset
   150
from logilab.common.registry import RegistryException, ObjectNotFound, NoSelectableObject
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   151
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   152
class UnknownProperty(RegistryException):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   153
    """property found in database but unknown in registry"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   154
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   155
# query exception #############################################################
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   156
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   157
class QueryError(CubicWebRuntimeError):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   158
    """a query try to do something it shouldn't"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   159
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   160
class NotAnEntity(CubicWebRuntimeError):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   161
    """raised when get_entity is called for a column which doesn't contain
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   162
    a non final entity
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   163
    """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   164
9347
bd841d6ae723 [rset] New method: ResultSet.one()
Christophe de Vienne <cdevienne@gmail.com>
parents: 9175
diff changeset
   165
class MultipleResultsError(CubicWebRuntimeError):
bd841d6ae723 [rset] New method: ResultSet.one()
Christophe de Vienne <cdevienne@gmail.com>
parents: 9175
diff changeset
   166
    """raised when ResultSet.one() is called on a resultset with multiple rows
bd841d6ae723 [rset] New method: ResultSet.one()
Christophe de Vienne <cdevienne@gmail.com>
parents: 9175
diff changeset
   167
    of multiple columns.
bd841d6ae723 [rset] New method: ResultSet.one()
Christophe de Vienne <cdevienne@gmail.com>
parents: 9175
diff changeset
   168
    """
bd841d6ae723 [rset] New method: ResultSet.one()
Christophe de Vienne <cdevienne@gmail.com>
parents: 9175
diff changeset
   169
bd841d6ae723 [rset] New method: ResultSet.one()
Christophe de Vienne <cdevienne@gmail.com>
parents: 9175
diff changeset
   170
class NoResultError(CubicWebRuntimeError):
bd841d6ae723 [rset] New method: ResultSet.one()
Christophe de Vienne <cdevienne@gmail.com>
parents: 9175
diff changeset
   171
    """raised when no result is found but at least one is expected.
bd841d6ae723 [rset] New method: ResultSet.one()
Christophe de Vienne <cdevienne@gmail.com>
parents: 9175
diff changeset
   172
    """
bd841d6ae723 [rset] New method: ResultSet.one()
Christophe de Vienne <cdevienne@gmail.com>
parents: 9175
diff changeset
   173
8265
9747ab9230ad [repo, undo] Finish repository-side implementation of the undo feature (closes #893940)
Anthony Truchet <anthony.truchet@logilab.fr>
parents: 8190
diff changeset
   174
class UndoTransactionException(QueryError):
9747ab9230ad [repo, undo] Finish repository-side implementation of the undo feature (closes #893940)
Anthony Truchet <anthony.truchet@logilab.fr>
parents: 8190
diff changeset
   175
    """Raised when undoing a transaction could not be performed completely.
9747ab9230ad [repo, undo] Finish repository-side implementation of the undo feature (closes #893940)
Anthony Truchet <anthony.truchet@logilab.fr>
parents: 8190
diff changeset
   176
9747ab9230ad [repo, undo] Finish repository-side implementation of the undo feature (closes #893940)
Anthony Truchet <anthony.truchet@logilab.fr>
parents: 8190
diff changeset
   177
    Note that :
9747ab9230ad [repo, undo] Finish repository-side implementation of the undo feature (closes #893940)
Anthony Truchet <anthony.truchet@logilab.fr>
parents: 8190
diff changeset
   178
      1) the partial undo operation might be acceptable
9747ab9230ad [repo, undo] Finish repository-side implementation of the undo feature (closes #893940)
Anthony Truchet <anthony.truchet@logilab.fr>
parents: 8190
diff changeset
   179
         depending upon the final application
9747ab9230ad [repo, undo] Finish repository-side implementation of the undo feature (closes #893940)
Anthony Truchet <anthony.truchet@logilab.fr>
parents: 8190
diff changeset
   180
9747ab9230ad [repo, undo] Finish repository-side implementation of the undo feature (closes #893940)
Anthony Truchet <anthony.truchet@logilab.fr>
parents: 8190
diff changeset
   181
      2) the undo operation can also fail with a `ValidationError` in
9747ab9230ad [repo, undo] Finish repository-side implementation of the undo feature (closes #893940)
Anthony Truchet <anthony.truchet@logilab.fr>
parents: 8190
diff changeset
   182
         cases where the undoing breaks integrity constraints checked
9747ab9230ad [repo, undo] Finish repository-side implementation of the undo feature (closes #893940)
Anthony Truchet <anthony.truchet@logilab.fr>
parents: 8190
diff changeset
   183
         immediately.
9747ab9230ad [repo, undo] Finish repository-side implementation of the undo feature (closes #893940)
Anthony Truchet <anthony.truchet@logilab.fr>
parents: 8190
diff changeset
   184
9747ab9230ad [repo, undo] Finish repository-side implementation of the undo feature (closes #893940)
Anthony Truchet <anthony.truchet@logilab.fr>
parents: 8190
diff changeset
   185
      3) It might be that neither of those exception is raised but a
9747ab9230ad [repo, undo] Finish repository-side implementation of the undo feature (closes #893940)
Anthony Truchet <anthony.truchet@logilab.fr>
parents: 8190
diff changeset
   186
         subsequent `commit` might raise a `ValidationError` in cases
9747ab9230ad [repo, undo] Finish repository-side implementation of the undo feature (closes #893940)
Anthony Truchet <anthony.truchet@logilab.fr>
parents: 8190
diff changeset
   187
         where the undoing breaks integrity constraints checked at
9747ab9230ad [repo, undo] Finish repository-side implementation of the undo feature (closes #893940)
Anthony Truchet <anthony.truchet@logilab.fr>
parents: 8190
diff changeset
   188
         commit time.
9747ab9230ad [repo, undo] Finish repository-side implementation of the undo feature (closes #893940)
Anthony Truchet <anthony.truchet@logilab.fr>
parents: 8190
diff changeset
   189
9747ab9230ad [repo, undo] Finish repository-side implementation of the undo feature (closes #893940)
Anthony Truchet <anthony.truchet@logilab.fr>
parents: 8190
diff changeset
   190
    :type txuuix: int
9747ab9230ad [repo, undo] Finish repository-side implementation of the undo feature (closes #893940)
Anthony Truchet <anthony.truchet@logilab.fr>
parents: 8190
diff changeset
   191
    :param txuuid: Unique identifier of the partialy undone transaction
9747ab9230ad [repo, undo] Finish repository-side implementation of the undo feature (closes #893940)
Anthony Truchet <anthony.truchet@logilab.fr>
parents: 8190
diff changeset
   192
9747ab9230ad [repo, undo] Finish repository-side implementation of the undo feature (closes #893940)
Anthony Truchet <anthony.truchet@logilab.fr>
parents: 8190
diff changeset
   193
    :type errors: list
9517
3338b2205ea3 Typo in comments and error messages
Dimitri Papadopoulos <dimitri.papadopoulos@cea.fr>
parents: 9375
diff changeset
   194
    :param errors: List of errors occurred during undoing
8265
9747ab9230ad [repo, undo] Finish repository-side implementation of the undo feature (closes #893940)
Anthony Truchet <anthony.truchet@logilab.fr>
parents: 8190
diff changeset
   195
    """
9517
3338b2205ea3 Typo in comments and error messages
Dimitri Papadopoulos <dimitri.papadopoulos@cea.fr>
parents: 9375
diff changeset
   196
    msg = u"The following error(s) occurred while undoing transaction #%d : %s"
8265
9747ab9230ad [repo, undo] Finish repository-side implementation of the undo feature (closes #893940)
Anthony Truchet <anthony.truchet@logilab.fr>
parents: 8190
diff changeset
   197
9747ab9230ad [repo, undo] Finish repository-side implementation of the undo feature (closes #893940)
Anthony Truchet <anthony.truchet@logilab.fr>
parents: 8190
diff changeset
   198
    def __init__(self, txuuid, errors):
9747ab9230ad [repo, undo] Finish repository-side implementation of the undo feature (closes #893940)
Anthony Truchet <anthony.truchet@logilab.fr>
parents: 8190
diff changeset
   199
        super(UndoTransactionException, self).__init__(txuuid, errors)
9747ab9230ad [repo, undo] Finish repository-side implementation of the undo feature (closes #893940)
Anthony Truchet <anthony.truchet@logilab.fr>
parents: 8190
diff changeset
   200
        self.txuuid = txuuid
9747ab9230ad [repo, undo] Finish repository-side implementation of the undo feature (closes #893940)
Anthony Truchet <anthony.truchet@logilab.fr>
parents: 8190
diff changeset
   201
        self.errors = errors
9747ab9230ad [repo, undo] Finish repository-side implementation of the undo feature (closes #893940)
Anthony Truchet <anthony.truchet@logilab.fr>
parents: 8190
diff changeset
   202
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   203
# tools exceptions ############################################################
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   204
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   205
class ExecutionError(Exception):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   206
    """server execution control error (already started, not running...)"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   207
6491
ee9a10b6620e pylint option update
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6347
diff changeset
   208
# pylint: disable=W0611
1802
d628defebc17 delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1155
diff changeset
   209
from logilab.common.clcommands import BadCommandUsage
8190
2a3c1b787688 [vreg] move base registry implementation to logilab.common. Closes #1916014
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6491
diff changeset
   210