weboob-devel/modules/aum/optim/queries_queue.py
Romain Bignon 2eb5507c3a fix warnings
2014-10-19 13:33:37 +02:00

103 lines
3.4 KiB
Python

# -*- coding: utf-8 -*-
# Copyright(C) 2010-2011 Romain Bignon
#
# This file is part of weboob.
#
# weboob is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# weboob 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with weboob. If not, see <http://www.gnu.org/licenses/>.
from weboob.deprecated.browser import BrowserUnavailable
from weboob.capabilities.dating import Optimization
from weboob.capabilities.contact import QueryError
from weboob.tools.log import getLogger
class QueriesQueue(Optimization):
def __init__(self, sched, storage, browser):
super(QueriesQueue, self).__init__()
self._sched = sched
self._storage = storage
self._browser = browser
self._logger = getLogger('queriesqueue', browser.logger)
self._queue = storage.get('queries_queue', 'queue', default=[])
self._check_cron = None
def save(self):
self._storage.set('queries_queue', 'queue', self._queue)
self._storage.save()
def start(self):
self._check_cron = self._sched.repeat(3600, self.flush_queue)
return True
def stop(self):
self._sched.cancel(self._check_cron)
self._check_cron = None
return True
def is_running(self):
return self._check_cron is not None
def enqueue_query(self, id, priority=999):
id_queue = [_id[1] for _id in self._queue]
if int(id) in id_queue:
raise QueryError('This id is already queued')
self._queue.append((int(priority), int(id)))
self.save()
# Try to flush queue to send it now.
self.flush_queue()
# Check if the enqueued query has been sent
for _, i in self._queue:
if i == int(id):
return False
return True
def flush_queue(self):
self._queue.sort()
priority = 0
id = None
try:
try:
while len(self._queue) > 0:
priority, id = self._queue.pop()
if not id:
continue
with self._browser:
if self._browser.send_charm(id):
self._logger.info('Charm sent to %s', id)
else:
self._queue.append((priority, id))
self._logger.info("Charm can't be send to %s", id)
break
# As the charm has been correctly sent (no exception raised),
# we don't store anymore ID, because if nbAvailableCharms()
# fails, we don't want to re-queue this ID.
id = None
priority = 0
except BrowserUnavailable:
# We consider this profil hasn't been [correctly] analysed
if id is not None:
self._queue.append((priority, id))
finally:
self.save()