Bring back the separate web-side entity cache
Prior to changeset 635cfac73d28 "[repoapi] fold ClientConnection into
Connection", we had two entity caches: one on the client/dbapi/web side,
and one on the server/repo side. This is a waste, but it is actually
needed as long as we have the magic _cw attribute on entities which must
sometimes be a request and sometimes a cnx. Removing the duplication
caused weird problems with entity._cw alternating between both types of
objects, which is unexpected by both the repo and the web sides.
We add an entity cache on ConnectionCubicWebRequestBase, separate from
the Connection's, and bring back the
_cw_update_attr_cache/dont-cache-attrs mechanism, to let the
server/edition code let caches know which attributes have been modified
Entity.as_rset can be cached again, as ResultSet no longer modifies the
entity when fetching it from a cache.
Contrary to the pre-3.21 code, _cw_update_attr_cache now handles web
requests and connections in the same way (otherwise the cache ends up
with wrong values if a hook modifies attributes), but dont-cache-attrs
is never set for (inlined) relations.
Closes #6863543
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# 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
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"""pytest configuration file: we need this to properly remove ressources
cached on test classes, at least until we've proper support for teardown_class
"""
import sys
from os.path import split, splitext
from logilab.common.pytest import PyTester
class CustomPyTester(PyTester):
def testfile(self, filename, batchmode=False):
try:
return super(CustomPyTester, self).testfile(filename, batchmode)
finally:
modname = splitext(split(filename)[1])[0]
try:
module = sys.modules[modname]
except KeyError:
# error during test module import
return
for cls in vars(module).values():
if getattr(cls, '__module__', None) != modname:
continue
clean_repo_test_cls(cls)
def clean_repo_test_cls(cls):
if 'repo' in cls.__dict__:
if not cls.repo.shutting_down:
cls.repo.shutdown()
del cls.repo
for clsattr in ('cnx', 'config', '_config', 'vreg', 'schema'):
if clsattr in cls.__dict__:
delattr(cls, clsattr)