linkchecker/linkcheck/director/aggregator.py
2006-09-24 10:13:59 +00:00

78 lines
2.5 KiB
Python

# -*- coding: iso-8859-1 -*-
# Copyright (C) 2006 Bastian Kleineidam
#
# 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, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
"""Aggregate needed object instances for checker threads."""
import linkcheck.log
import linkcheck.director
import logger
import status
import checker
class Aggregate (object):
"""
Store thread-safe data collections for checker threads.
"""
def __init__ (self, config, urlqueue, connections, cookies, robots_txt):
self.config = config
self.urlqueue = urlqueue
self.connections = connections
self.cookies = cookies
self.robots_txt = robots_txt
self.logger = logger.Logger(config)
self.threads = []
def start_threads (self):
"""
Spawn threads for URL checking and status printing.
"""
if self.config["status"]:
t = status.Status(self.urlqueue)
t.start()
self.threads.append(t)
num = self.config["threads"]
if num >= 1:
for i in xrange(num):
t = checker.Checker(self.urlqueue, self.logger)
t.start()
self.threads.append(t)
else:
checker.check_url(self.urlqueue, self.logger)
def abort (self):
"""
Empty the URL queue.
"""
self.urlqueue.do_shutdown()
try:
self.urlqueue.join(timeout=self.config["timeout"])
except linkcheck.cache.urlqueue.Timeout:
linkcheck.log.warn(linkcheck.LOG_CHECK, "Abort timed out")
def remove_stopped_threads (self):
self.threads = [t for t in self.threads if t.isAlive()]
def finish (self):
"""
Wait for checker threads to finish.
"""
assert self.urlqueue.empty()
for t in self.threads:
t.stop()
t.join(2)
if t.isAlive():
linkcheck.log.warn(linkcheck.LOG_CHECK, "Thread %s still active", t)