--- a/_exceptions.py Tue Jul 10 10:33:19 2012 +0200
+++ b/_exceptions.py Tue Jul 10 15:07:52 2012 +0200
@@ -1,4 +1,4 @@
-# copyright 2003-2010 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
+# copyright 2003-2011 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
#
# This file is part of CubicWeb.
@@ -15,10 +15,8 @@
#
# You should have received a copy of the GNU Lesser General Public License along
# with CubicWeb. If not, see <http://www.gnu.org/licenses/>.
-"""Exceptions shared by different cubicweb packages.
+"""Exceptions shared by different cubicweb packages."""
-
-"""
__docformat__ = "restructuredtext en"
from yams import ValidationError
@@ -32,9 +30,10 @@
if self.msg:
if self.args:
return self.msg % tuple(self.args)
- return self.msg
- return ' '.join(unicode(arg) for arg in self.args)
-
+ else:
+ return self.msg
+ else:
+ return u' '.join(unicode(arg) for arg in self.args)
class ConfigurationError(CubicWebException):
"""a misconfiguration error"""
@@ -83,6 +82,7 @@
class UniqueTogetherError(RepositoryError):
"""raised when a unique_together constraint caused an IntegrityError"""
+
# security exceptions #########################################################
class Unauthorized(SecurityError):
@@ -114,32 +114,8 @@
# registry exceptions #########################################################
-class RegistryException(CubicWebException):
- """raised when an unregistered view is called"""
-
-class RegistryNotFound(RegistryException):
- """raised when an unknown registry is requested
-
- this is usually a programming/typo error...
- """
-
-class ObjectNotFound(RegistryException):
- """raised when an unregistered object is requested
-
- this may be a programming/typo or a misconfiguration error
- """
-
-class NoSelectableObject(RegistryException):
- """raised when no appobject is selectable for a given context."""
- def __init__(self, args, kwargs, appobjects):
- self.args = args
- self.kwargs = kwargs
- self.appobjects = appobjects
-
- def __str__(self):
- return ('args: %s, kwargs: %s\ncandidates: %s'
- % (self.args, self.kwargs.keys(), self.appobjects))
-
+# pre 3.15 bw compat
+from logilab.common.registry import RegistryException, ObjectNotFound, NoSelectableObject
class UnknownProperty(RegistryException):
"""property found in database but unknown in registry"""
@@ -154,6 +130,35 @@
a non final entity
"""
+class UndoTransactionException(QueryError):
+ """Raised when undoing a transaction could not be performed completely.
+
+ Note that :
+ 1) the partial undo operation might be acceptable
+ depending upon the final application
+
+ 2) the undo operation can also fail with a `ValidationError` in
+ cases where the undoing breaks integrity constraints checked
+ immediately.
+
+ 3) It might be that neither of those exception is raised but a
+ subsequent `commit` might raise a `ValidationError` in cases
+ where the undoing breaks integrity constraints checked at
+ commit time.
+
+ :type txuuix: int
+ :param txuuid: Unique identifier of the partialy undone transaction
+
+ :type errors: list
+ :param errors: List of errors occured during undoing
+ """
+ msg = u"The following error(s) occured while undoing transaction #%d : %s"
+
+ def __init__(self, txuuid, errors):
+ super(UndoTransactionException, self).__init__(txuuid, errors)
+ self.txuuid = txuuid
+ self.errors = errors
+
# tools exceptions ############################################################
class ExecutionError(Exception):
@@ -161,3 +166,4 @@
# pylint: disable=W0611
from logilab.common.clcommands import BadCommandUsage
+