[server] commit after serializing schema
Use separate transactions for schema serialization and postcreate
scripts execution, so that the latter can rely on the schema being
persistently stored. This matters e.g. if something in a postcreate
violates a unique_together constraint, we need the constraint persisted
in order to raise a meaningful error. See #4525069.
# copyright 2003-2012 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
#
# This file is part of CubicWeb.
#
# CubicWeb is free software: you can redistribute it and/or modify it under the
# terms of the GNU Lesser General Public License as published by the Free
# Software Foundation, either version 2.1 of the License, or (at your option)
# any later version.
#
# CubicWeb is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU Lesser General Public License along
# with CubicWeb. If not, see <http://www.gnu.org/licenses/>.
"""hooks to ensure use_email / primary_email relations consistency"""
__docformat__ = "restructuredtext en"
from cubicweb.server import hook
class SetUseEmailRelationOp(hook.Operation):
"""delay this operation to commit to avoid conflict with a late rql query
already setting the relation
"""
rtype = 'use_email'
entity = email = None # make pylint happy
def condition(self):
"""check entity has use_email set for the email address"""
return not any(e for e in self.entity.use_email
if self.email.eid == e.eid)
def precommit_event(self):
if self.condition():
self.cnx.execute(
'SET X %s Y WHERE X eid %%(x)s, Y eid %%(y)s' % self.rtype,
{'x': self.entity.eid, 'y': self.email.eid})
class SetPrimaryEmailRelationOp(SetUseEmailRelationOp):
rtype = 'primary_email'
def condition(self):
"""check entity has no primary_email set"""
return not self.entity.primary_email
class SetPrimaryEmailHook(hook.Hook):
"""notify when a bug or story or version has its state modified"""
__regid__ = 'setprimaryemail'
__select__ = hook.Hook.__select__ & hook.match_rtype('use_email')
category = 'email'
events = ('after_add_relation',)
def __call__(self):
entity = self._cw.entity_from_eid(self.eidfrom)
if 'primary_email' in entity.e_schema.subject_relations():
SetPrimaryEmailRelationOp(self._cw, entity=entity,
email=self._cw.entity_from_eid(self.eidto))
class SetUseEmailHook(hook.Hook):
"""notify when a bug or story or version has its state modified"""
__regid__ = 'setprimaryemail'
__select__ = hook.Hook.__select__ & hook.match_rtype('primary_email')
category = 'email'
events = ('after_add_relation',)
def __call__(self):
entity = self._cw.entity_from_eid(self.eidfrom)
if 'use_email' in entity.e_schema.subject_relations():
SetUseEmailRelationOp(self._cw, entity=entity,
email=self._cw.entity_from_eid(self.eidto))