mirror of
https://github.com/internetarchive/brozzler.git
synced 2025-02-24 08:39:59 -05:00
87 lines
3.3 KiB
Python
Executable File
87 lines
3.3 KiB
Python
Executable File
#!/usr/bin/env python
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# vim: set sw=4 et:
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import logging
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import argparse
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import time
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import umbra
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import sys
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import signal
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import os
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import umbra
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import signal
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import threading
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if __name__=="__main__":
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import faulthandler
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faulthandler.register(signal.SIGQUIT)
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arg_parser = argparse.ArgumentParser(prog=os.path.basename(__file__),
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description='umbra - browser automation tool communicating via AMQP',
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formatter_class=argparse.ArgumentDefaultsHelpFormatter)
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arg_parser.add_argument('-w', '--browser-wait', dest='browser_wait', default='60',
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help='Seconds to wait for browser initialization')
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arg_parser.add_argument('-e', '--executable', dest='chrome_exe', default='chromium-browser',
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help='Executable to use to invoke chrome')
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arg_parser.add_argument('-u', '--url', dest='amqp_url', default='amqp://guest:guest@localhost:5672/%2f',
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help='URL identifying the amqp server to talk to')
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arg_parser.add_argument('--exchange', dest='amqp_exchange', default='umbra',
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help='AMQP exchange name')
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arg_parser.add_argument('--queue', dest='amqp_queue', default='urls',
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help='AMQP queue to consume urls from')
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arg_parser.add_argument('--routing-key', dest='amqp_routing_key', default='url',
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help='AMQP routing key to bind to the AMQP queue')
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arg_parser.add_argument('-n', '--max-browsers', dest='max_browsers', default='3',
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help='Max number of chrome instances simultaneously browsing pages')
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arg_parser.add_argument('-v', '--verbose', dest='log_level',
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action="store_const", default=logging.INFO, const=logging.DEBUG)
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arg_parser.add_argument('--version', action='version',
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version="umbra {}".format(umbra.version))
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args = arg_parser.parse_args(args=sys.argv[1:])
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logging.basicConfig(stream=sys.stdout, level=args.log_level,
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format='%(asctime)s %(process)d %(levelname)s %(threadName)s %(name)s.%(funcName)s(%(filename)s:%(lineno)d) %(message)s')
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logging.info("umbra {} starting up".format(umbra.version))
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controller = umbra.Umbra(args.amqp_url, args.chrome_exe, args.browser_wait,
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max_active_browsers=int(args.max_browsers),
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exchange_name=args.amqp_exchange, queue_name=args.amqp_queue,
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routing_key=args.amqp_routing_key)
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class ShutdownRequested(Exception):
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pass
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def sigterm(signum, frame):
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raise ShutdownRequested('shutdown requested (caught SIGTERM)')
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def sigint(signum, frame):
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raise ShutdownRequested('shutdown requested (caught SIGINT)')
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signal.signal(signal.SIGTERM, sigterm)
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signal.signal(signal.SIGINT, sigint)
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controller.start()
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try:
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while True:
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time.sleep(0.5)
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except ShutdownRequested as e:
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logging.info(e)
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except BaseException as e:
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logging.fatal(e)
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finally:
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try:
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controller.shutdown()
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for th in threading.enumerate():
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if th != threading.current_thread():
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th.join()
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except BaseException as e:
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logging.warn("caught exception {}".format(e))
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controller.shutdown_now()
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for th in threading.enumerate():
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if th != threading.current_thread():
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th.join()
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logging.info("all finished, exiting")
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