[web/views] add text/n3 rdf view
Less shit than xml.
# copyright 2014 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/>.
"""looping task for dumping instance's stats in a file
"""
__docformat__ = "restructuredtext en"
from datetime import datetime
import json
from cubicweb.server import hook
class LogStatsStartHook(hook.Hook):
"""register task to regularly dump instance's stats in a file
data are stored as one json entry per row
"""
__regid__ = 'cubicweb.hook.logstats.start'
events = ('server_startup',)
def __call__(self):
interval = self.repo.config.get('logstat-interval', 0)
if interval <= 0:
return
def dump_stats(repo):
statsfile = repo.config.get('logstat-file')
with repo.internal_cnx() as cnx:
stats = cnx.call_service('repo_stats')
gcstats = cnx.call_service('repo_gc_stats', nmax=5)
allstats = {'resources': stats,
'memory': gcstats,
'timestamp': datetime.utcnow().isoformat(),
}
try:
with open(statsfile, 'ab') as ofile:
json.dump(allstats, ofile)
ofile.write('\n')
except IOError:
repo.warning('Cannot open stats file for writing: %s', statsfile)
self.repo.looping_task(interval, dump_stats, self.repo)