[constraint] more robust unicity constraint failures reporting for end-users
Postgres or Sqlserver have limits on the index names (around resp. 64
and 128 characters). Because `logilab.database` encodes the `unique
together` constraint rtypes in the index names, we sometimes get
truncated index names, from which it is impossible to retrieve all
rtypes.
In the long run, the way such index are named should be changed.
In the short term, we try to reduce the end-user confusion resulting
from this design flaw:
* in source/native, the regex filtering ``IntegrityError`` message does
not impose an `_idx` suffix, which indeed may be absent (the result being an
UI message that resembles a catastrophic failure),
* also we avoid including a trailing " (double quote) from the error
message
* in entities/adapters, the well-named ``IUserFriendly`` adapter is made a
bit smarter about how to handle missing rtypes.
* the adapter also always produces a global message explaining the
issue (and the fact that sometimes, the user is not shown all the
relevant info)
* i18n is updated
Closes #2793789
# 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.
#
# 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/>.
"""Twisted request handler for CubicWeb"""
__docformat__ = "restructuredtext en"
from cubicweb.web.request import CubicWebRequestBase
class CubicWebTwistedRequestAdapter(CubicWebRequestBase):
def __init__(self, req, vreg, https):
self._twreq = req
super(CubicWebTwistedRequestAdapter, self).__init__(
vreg, https, req.args, headers=req.received_headers)
for key, (name, stream) in req.files.iteritems():
if name is None:
self.form[key] = (name, stream)
else:
self.form[key] = (unicode(name, self.encoding), stream)
self.content = self._twreq.content # stream
def http_method(self):
"""returns 'POST', 'GET', 'HEAD', etc."""
return self._twreq.method
def relative_path(self, includeparams=True):
"""return the normalized path of the request (ie at least relative to
the instance's root, but some other normalization may be needed so that
the returned path may be used to compare to generated urls
:param includeparams:
boolean indicating if GET form parameters should be kept in the path
"""
path = self._twreq.uri[1:] # remove the root '/'
if not includeparams:
path = path.split('?', 1)[0]
return path