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# -*- coding: utf-8 -*-
# imap.py
# Copyright (C) 2013 LEAP
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
Initialization of imap service
"""
import logging
import os
import sys
from leap.mail.imap.service import imap
from twisted.python import log
logger = logging.getLogger(__name__)
# The name of the environment variable that has to be
# set to override the default time value, in seconds.
INCOMING_CHECK_PERIOD_ENV = "BITMASK_MAILCHECK_PERIOD"
def get_mail_check_period():
"""
Tries to get the value of the environment variable for
overriding the period for incoming mail fetch.
"""
period = None
period_str = os.environ.get(INCOMING_CHECK_PERIOD_ENV, None)
try:
period = int(period_str)
except (ValueError, TypeError):
if period is not None:
logger.warning("BAD value found for %s: %s" % (
INCOMING_CHECK_PERIOD_ENV,
period_str))
except Exception as exc:
logger.warning("Unhandled error while getting %s: %r" % (
INCOMING_CHECK_PERIOD_ENV,
exc))
return period
def start_imap_service(*args, **kwargs):
"""
Initializes and run imap service.
:returns: twisted.internet.task.LoopingCall instance
"""
from leap.bitmask.config import flags
logger.debug('Launching imap service')
override_period = get_mail_check_period()
if override_period:
kwargs['check_period'] = override_period
if flags.MAIL_LOGFILE:
log.startLogging(open(flags.MAIL_LOGFILE, 'w'))
log.startLogging(sys.stdout)
return imap.run_service(*args, **kwargs)
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