1 # copyright 2003-2012 LOGILAB S.A. (Paris, FRANCE), all rights reserved. |
1 # copyright 2003-2013 LOGILAB S.A. (Paris, FRANCE), all rights reserved. |
2 # contact http://www.logilab.fr/ -- mailto:contact@logilab.fr |
2 # contact http://www.logilab.fr/ -- mailto:contact@logilab.fr |
3 # |
3 # |
4 # This file is part of CubicWeb. |
4 # This file is part of CubicWeb. |
5 # |
5 # |
6 # CubicWeb is free software: you can redistribute it and/or modify it under the |
6 # CubicWeb is free software: you can redistribute it and/or modify it under the |
16 # You should have received a copy of the GNU Lesser General Public License along |
16 # You should have received a copy of the GNU Lesser General Public License along |
17 # with CubicWeb. If not, see <http://www.gnu.org/licenses/>. |
17 # with CubicWeb. If not, see <http://www.gnu.org/licenses/>. |
18 """Exceptions shared by different cubicweb packages.""" |
18 """Exceptions shared by different cubicweb packages.""" |
19 |
19 |
20 __docformat__ = "restructuredtext en" |
20 __docformat__ = "restructuredtext en" |
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21 |
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22 from warnings import warn |
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23 |
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24 from logilab.common.decorators import cachedproperty |
21 |
25 |
22 from yams import ValidationError as ValidationError |
26 from yams import ValidationError as ValidationError |
23 |
27 |
24 # abstract exceptions ######################################################### |
28 # abstract exceptions ######################################################### |
25 |
29 |
79 class MultiSourcesError(RepositoryError, InternalError): |
83 class MultiSourcesError(RepositoryError, InternalError): |
80 """usually due to bad multisources configuration or rql query""" |
84 """usually due to bad multisources configuration or rql query""" |
81 |
85 |
82 class UniqueTogetherError(RepositoryError): |
86 class UniqueTogetherError(RepositoryError): |
83 """raised when a unique_together constraint caused an IntegrityError""" |
87 """raised when a unique_together constraint caused an IntegrityError""" |
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88 def __init__(self, session, **kwargs): |
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89 self.session = session |
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90 assert 'rtypes' in kwargs or 'cstrname' in kwargs |
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91 self.kwargs = kwargs |
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92 |
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93 @cachedproperty |
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94 def rtypes(self): |
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95 if 'rtypes' in self.kwargs: |
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96 return self.kwargs['rtypes'] |
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97 cstrname = unicode(self.kwargs['cstrname']) |
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98 cstr = self.session.find('CWUniqueTogetherConstraint', name=cstrname).one() |
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99 return sorted(rtype.name for rtype in cstr.relations) |
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100 |
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101 @cachedproperty |
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102 def args(self): |
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103 warn('[3.18] UniqueTogetherError.args is deprecated, just use ' |
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104 'the .rtypes accessor.', |
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105 DeprecationWarning) |
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106 # the first argument, etype, is never used and was never garanteed anyway |
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107 return None, self.rtypes |
84 |
108 |
85 |
109 |
86 # security exceptions ######################################################### |
110 # security exceptions ######################################################### |
87 |
111 |
88 class Unauthorized(SecurityError): |
112 class Unauthorized(SecurityError): |
132 class NotAnEntity(CubicWebRuntimeError): |
156 class NotAnEntity(CubicWebRuntimeError): |
133 """raised when get_entity is called for a column which doesn't contain |
157 """raised when get_entity is called for a column which doesn't contain |
134 a non final entity |
158 a non final entity |
135 """ |
159 """ |
136 |
160 |
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161 class MultipleResultsError(CubicWebRuntimeError): |
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162 """raised when ResultSet.one() is called on a resultset with multiple rows |
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163 of multiple columns. |
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164 """ |
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165 |
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166 class NoResultError(CubicWebRuntimeError): |
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167 """raised when no result is found but at least one is expected. |
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168 """ |
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169 |
137 class UndoTransactionException(QueryError): |
170 class UndoTransactionException(QueryError): |
138 """Raised when undoing a transaction could not be performed completely. |
171 """Raised when undoing a transaction could not be performed completely. |
139 |
172 |
140 Note that : |
173 Note that : |
141 1) the partial undo operation might be acceptable |
174 1) the partial undo operation might be acceptable |
152 |
185 |
153 :type txuuix: int |
186 :type txuuix: int |
154 :param txuuid: Unique identifier of the partialy undone transaction |
187 :param txuuid: Unique identifier of the partialy undone transaction |
155 |
188 |
156 :type errors: list |
189 :type errors: list |
157 :param errors: List of errors occured during undoing |
190 :param errors: List of errors occurred during undoing |
158 """ |
191 """ |
159 msg = u"The following error(s) occured while undoing transaction #%d : %s" |
192 msg = u"The following error(s) occurred while undoing transaction #%d : %s" |
160 |
193 |
161 def __init__(self, txuuid, errors): |
194 def __init__(self, txuuid, errors): |
162 super(UndoTransactionException, self).__init__(txuuid, errors) |
195 super(UndoTransactionException, self).__init__(txuuid, errors) |
163 self.txuuid = txuuid |
196 self.txuuid = txuuid |
164 self.errors = errors |
197 self.errors = errors |