[rset] Use RQL cache in syntax_tree method
This avoid several unnecessary parsings per HTTP request, since in most case
rset's rql is in the rql cache (since it has just been executed), while yapps
based parsing is known to be slow.
# copyright 2003-2016 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"""
import re
from socket import gethostname
import logging
from logilab.common.textutils import text_to_dict
from logilab.common.configuration import OptionError
from logilab.mtconverter import xml_escape
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.items():
try:
sconfig.set_option(opt, val)
except OptionError:
if skip_unknown:
continue
raise
cfgstr = unicode(generate_source_config(sconfig), self._cw.encoding)
self.cw_set(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
@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 CWDataImport(AnyEntity):
__regid__ = 'CWDataImport'
repo_source = _logs = None # please pylint
def init(self):
self._logs = []
self.repo_source = self.cwsource.repo_source
def dc_title(self):
return '%s [%s]' % (self.printable_value('start_timestamp'),
self.printable_value('status'))
@property
def cwsource(self):
return self.cw_import_of[0]
def record_debug(self, msg, path=None, line=None):
self._log(logging.DEBUG, msg, path, line)
self.repo_source.debug(msg)
def record_info(self, msg, path=None, line=None):
self._log(logging.INFO, msg, path, line)
self.repo_source.info(msg)
def record_warning(self, msg, path=None, line=None):
self._log(logging.WARNING, msg, path, line)
self.repo_source.warning(msg)
def record_error(self, msg, path=None, line=None):
self._status = u'failed'
self._log(logging.ERROR, msg, path, line)
self.repo_source.error(msg)
def record_fatal(self, msg, path=None, line=None):
self._status = u'failed'
self._log(logging.FATAL, msg, path, line)
self.repo_source.fatal(msg)
def _log(self, severity, msg, path=None, line=None):
encodedmsg = u'%s\t%s\t%s\t%s<br/>' % (severity, path or u'',
line or u'', xml_escape(msg))
self._logs.append(encodedmsg)
def write_log(self, session, **kwargs):
if 'status' not in kwargs:
kwargs['status'] = getattr(self, '_status', u'success')
self.cw_set(log=u'<br/>'.join(self._logs), **kwargs)
self._logs = []