106 lines
3.4 KiB
Python
106 lines
3.4 KiB
Python
# w.c.s. - web application for online forms
|
|
# Copyright (C) 2005-2010 Entr'ouvert
|
|
#
|
|
# 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 2 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/>.
|
|
|
|
import os
|
|
import signal
|
|
import time
|
|
try:
|
|
import prctl
|
|
except ImportError:
|
|
prctl = None
|
|
import sys
|
|
|
|
parent_killed = False
|
|
|
|
def stop_cron_process(*args):
|
|
global parent_killed
|
|
parent_killed = True
|
|
|
|
class CronJob:
|
|
hours = None
|
|
minutes = None
|
|
weekdays = None
|
|
days = None
|
|
function = None
|
|
|
|
def __init__(self, function, hours = None, minutes = None, weekdays = None, days = None):
|
|
self.function = function
|
|
self.hours = hours
|
|
self.minutes = minutes
|
|
self.weekdays = weekdays
|
|
self.days = days
|
|
|
|
|
|
def cron(publisher):
|
|
global parent_killed
|
|
app_dir = publisher.app_dir
|
|
|
|
last = time.localtime()
|
|
while not parent_killed:
|
|
now = time.localtime()
|
|
if now[:5] != last[:5]:
|
|
last = now
|
|
for hostname in os.listdir(app_dir):
|
|
publisher.app_dir = os.path.join(app_dir, hostname)
|
|
if not os.path.isdir(publisher.app_dir):
|
|
continue
|
|
# create a fake publisher
|
|
try:
|
|
publisher.set_config()
|
|
except:
|
|
continue
|
|
for job in publisher.cronjobs:
|
|
if job.days and now[2] not in job.days:
|
|
continue
|
|
if job.weekdays and now[6] not in job.weekdays:
|
|
continue
|
|
if job.hours and not now[3] in job.hours:
|
|
continue
|
|
if job.minutes and not now[4] in job.minutes:
|
|
continue
|
|
publisher.install_lang(publisher.get_site_language())
|
|
publisher.substitutions.reset()
|
|
publisher.substitutions.feed(publisher)
|
|
for extra_source in publisher.extra_sources:
|
|
publisher.substitutions.feed(extra_source(publisher, None))
|
|
try:
|
|
job.function(publisher)
|
|
except:
|
|
publisher.notify_of_exception(sys.exc_info(), context='[CRON]')
|
|
time.sleep(10)
|
|
|
|
|
|
def spawn_cron(create_publisher):
|
|
global cron_pid
|
|
cron_pid = os.fork()
|
|
if cron_pid == 0:
|
|
pub = create_publisher()
|
|
# set process name and title (this only works on Linux)
|
|
if prctl:
|
|
prctl.set_name(os.path.basename(sys.argv[0]) + ' [cron]')
|
|
prctl.set_proctitle(os.path.basename(sys.argv[0]) + ' [cron]')
|
|
signal.signal(signal.SIGTERM, stop_cron_process)
|
|
cron(pub)
|
|
sys.exit(0)
|
|
else:
|
|
signal.signal(signal.SIGTERM, kill_cron_process)
|
|
#os.close(parent_fd)
|
|
|
|
def kill_cron_process(signum, frame):
|
|
os.kill(cron_pid, signal.SIGTERM)
|
|
sys.exit(0)
|
|
|