[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 2003-2010 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 server configurations:
* the "twisted" configuration to get a web instance running in a standalone
twisted web server which talk to a repository server using Pyro
* the "all-in-one" configuration to get a web instance running in a twisted
web server integrating a repository server in the same process (only available
if the repository part of the software is installed
"""
__docformat__ = "restructuredtext en"
from os.path import join
from logilab.common.configuration import Method, merge_options
from cubicweb.cwconfig import CONFIGURATIONS
from cubicweb.web.webconfig import WebConfiguration
class TwistedConfiguration(WebConfiguration):
"""web instance (in a twisted web server) client of a RQL server"""
name = 'twisted'
options = merge_options((
# ctl configuration
('port',
{'type' : 'int',
'default': None,
'help': 'http server port number (default to 8080)',
'group': 'web', 'level': 0,
}),
('interface',
{'type' : 'string',
'default': "",
'help': 'http server address on which to listen (default to everywhere)',
'group': 'web', 'level': 1,
}),
('max-post-length',
{'type' : 'bytes',
'default': '100MB',
'help': 'maximum length of HTTP request. Default to 100 MB.',
'group': 'web', 'level': 1,
}),
('profile',
{'type' : 'string',
'default': None,
'help': 'profile code and use the specified file to store stats if this option is set',
'group': 'web', 'level': 3,
}),
('host',
{'type' : 'string',
'default': None,
'help': 'host name if not correctly detectable through gethostname',
'group': 'main', 'level': 1,
}),
('pid-file',
{'type' : 'string',
'default': Method('default_pid_file'),
'help': 'repository\'s pid file',
'group': 'main', 'level': 2,
}),
('uid',
{'type' : 'string',
'default': None,
'help': 'if this option is set, use the specified user to start \
the repository rather than the user running the command',
'group': 'main', 'level': WebConfiguration.mode == 'system'
}),
('pyro-server',
{'type' : 'yn',
# pyro is only a recommends by default, so don't activate it here
'default': False,
'help': 'run a pyro server',
'group': 'main', 'level': 1,
}),
('webserver-threadpool-size',
{'type': 'int',
'default': 4,
'help': "size of twisted's reactor threadpool. It should probably be not too \
much greater than connection-poolsize",
'group': 'web', 'level': 3,
}),
) + WebConfiguration.options)
def server_file(self):
return join(self.apphome, '%s-%s.py' % (self.appid, self.name))
def default_base_url(self):
from socket import getfqdn
return 'http://%s:%s/' % (self['host'] or getfqdn(), self['port'] or 8080)
CONFIGURATIONS.append(TwistedConfiguration)
try:
from cubicweb.server.serverconfig import ServerConfiguration
class AllInOneConfiguration(TwistedConfiguration, ServerConfiguration):
"""repository and web instance in the same twisted process"""
name = 'all-in-one'
options = merge_options(TwistedConfiguration.options
+ ServerConfiguration.options)
cubicweb_appobject_path = TwistedConfiguration.cubicweb_appobject_path | ServerConfiguration.cubicweb_appobject_path
cube_appobject_path = TwistedConfiguration.cube_appobject_path | ServerConfiguration.cube_appobject_path
def pyro_enabled(self):
"""tell if pyro is activated for the in memory repository"""
return self['pyro-server']
CONFIGURATIONS.append(AllInOneConfiguration)
except ImportError:
pass