[entity] upgrade fetch_[unrelated_]order to benefit from changes introduced in 3.14 (closes #1942758)
of rql generation parts of the ORM now based on rql syntax tree. This allows more powerful and
flexible sort control by giving them the syntax tree instead of manipulating string.
Also:
* prefix new methods by 'cw_'
* fix cases that currently crash in 3.14 due to the refactoring
# 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/>.
"""data source related entities"""
__docformat__ = "restructuredtext en"
import re
from socket import gethostname
from logilab.common.textutils import text_to_dict
from logilab.common.configuration import OptionError
from cubicweb import ValidationError
from cubicweb.entities import AnyEntity, fetch_config
class _CWSourceCfgMixIn(object):
@property
def dictconfig(self):
return self.config and text_to_dict(self.config) or {}
def update_config(self, skip_unknown=False, **config):
from cubicweb.server import SOURCE_TYPES
from cubicweb.server.serverconfig import (SourceConfiguration,
generate_source_config)
cfg = self.dictconfig
cfg.update(config)
options = SOURCE_TYPES[self.type].options
sconfig = SourceConfiguration(self._cw.vreg.config, options=options)
for opt, val in cfg.iteritems():
try:
sconfig.set_option(opt, val)
except OptionError:
if skip_unknown:
continue
raise
cfgstr = unicode(generate_source_config(sconfig), self._cw.encoding)
self.set_attributes(config=cfgstr)
class CWSource(_CWSourceCfgMixIn, AnyEntity):
__regid__ = 'CWSource'
fetch_attrs, cw_fetch_order = fetch_config(['name', 'type'])
@property
def host_config(self):
dictconfig = self.dictconfig
host = gethostname()
for hostcfg in self.host_configs:
if hostcfg.match(host):
self.info('matching host config %s for source %s',
hostcfg.match_host, self.name)
dictconfig.update(hostcfg.dictconfig)
return dictconfig
@property
def host_configs(self):
return self.reverse_cw_host_config_of
def init_mapping(self, mapping):
for key, options in mapping:
if isinstance(key, tuple): # relation definition
assert len(key) == 3
restrictions = ['X relation_type RT, RT name %(rt)s']
kwargs = {'rt': key[1]}
if key[0] != '*':
restrictions.append('X from_entity FT, FT name %(ft)s')
kwargs['ft'] = key[0]
if key[2] != '*':
restrictions.append('X to_entity TT, TT name %(tt)s')
kwargs['tt'] = key[2]
rql = 'Any X WHERE %s' % ','.join(restrictions)
schemarset = self._cw.execute(rql, kwargs)
elif key[0].isupper(): # entity type
schemarset = self._cw.execute('CWEType X WHERE X name %(et)s',
{'et': key})
else: # relation type
schemarset = self._cw.execute('CWRType X WHERE X name %(rt)s',
{'rt': key})
for schemaentity in schemarset.entities():
self._cw.create_entity('CWSourceSchemaConfig',
cw_for_source=self,
cw_schema=schemaentity,
options=options)
@property
def repo_source(self):
"""repository only property, not available from the web side (eg
self._cw is expected to be a server session)
"""
return self._cw.repo.sources_by_eid[self.eid]
class CWSourceHostConfig(_CWSourceCfgMixIn, AnyEntity):
__regid__ = 'CWSourceHostConfig'
fetch_attrs, cw_fetch_order = fetch_config(['match_host', 'config'])
@property
def cwsource(self):
return self.cw_host_config_of[0]
def match(self, hostname):
return re.match(self.match_host, hostname)
class CWSourceSchemaConfig(AnyEntity):
__regid__ = 'CWSourceSchemaConfig'
fetch_attrs, cw_fetch_order = fetch_config(['cw_for_source', 'cw_schema', 'options'])
def dc_title(self):
return self._cw._(self.__regid__) + ' #%s' % self.eid
@property
def schema(self):
return self.cw_schema[0]
@property
def cwsource(self):
return self.cw_for_source[0]