179 lines
4.8 KiB
Python
179 lines
4.8 KiB
Python
"""
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Python part of radio playout (pypo)
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"""
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import time
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from optparse import *
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import sys
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import signal
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import logging
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import logging.config
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import logging.handlers
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from Queue import Queue
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from threading import Lock
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from pypopush import PypoPush
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from pypofetch import PypoFetch
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from pypofile import PypoFile
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from recorder import Recorder
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from pypomessagehandler import PypoMessageHandler
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from configobj import ConfigObj
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# custom imports
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from api_clients import api_client
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PYPO_VERSION = '1.1'
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# Set up command-line options
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parser = OptionParser()
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# help screen / info
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usage = "%prog [options]" + " - python playout system"
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parser = OptionParser(usage=usage)
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# Options
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parser.add_option("-v", "--compat", help="Check compatibility with server API version", default=False, action="store_true", dest="check_compat")
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parser.add_option("-t", "--test", help="Do a test to make sure everything is working properly.", default=False, action="store_true", dest="test")
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parser.add_option("-b", "--cleanup", help="Cleanup", default=False, action="store_true", dest="cleanup")
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parser.add_option("-c", "--check", help="Check the cached schedule and exit", default=False, action="store_true", dest="check")
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# parse options
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(options, args) = parser.parse_args()
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# configure logging
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logging.config.fileConfig("logging.cfg")
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# loading config file
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try:
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config = ConfigObj('/etc/airtime/pypo.cfg')
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except Exception, e:
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logger = logging.getLogger()
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logger.error('Error loading config file: %s', e)
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sys.exit()
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class Global:
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def __init__(self):
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self.api_client = api_client.api_client_factory(config)
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def selfcheck(self):
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self.api_client = api_client.api_client_factory(config)
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return self.api_client.is_server_compatible()
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def test_api(self):
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self.api_client.test()
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"""
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def check_schedule(self):
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logger = logging.getLogger()
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try:
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schedule_file = open(self.schedule_file, "r")
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schedule = pickle.load(schedule_file)
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schedule_file.close()
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except Exception, e:
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logger.error("%s", e)
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schedule = None
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for pkey in sorted(schedule.iterkeys()):
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playlist = schedule[pkey]
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print '*****************************************'
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print '\033[0;32m%s %s\033[m' % ('scheduled at:', str(pkey))
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print 'cached at : ' + self.cache_dir + str(pkey)
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print 'played: ' + str(playlist['played'])
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print 'schedule id: ' + str(playlist['schedule_id'])
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print 'duration: ' + str(playlist['duration'])
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print 'source id: ' + str(playlist['x_ident'])
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print '-----------------------------------------'
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for media in playlist['medias']:
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print media
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"""
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def keyboardInterruptHandler(signum, frame):
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logger = logging.getLogger()
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logger.info('\nKeyboard Interrupt\n')
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sys.exit(0)
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if __name__ == '__main__':
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logger = logging.getLogger()
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logger.info('###########################################')
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logger.info('# *** pypo *** #')
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logger.info('# Liquidsoap Scheduled Playout System #')
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logger.info('###########################################')
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signal.signal(signal.SIGINT, keyboardInterruptHandler)
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# initialize
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g = Global()
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while not g.selfcheck(): time.sleep(5)
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logger = logging.getLogger()
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if options.test:
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g.test_api()
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sys.exit()
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api_client = api_client.api_client_factory(config)
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api_client.register_component("pypo")
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pypoFetch_q = Queue()
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recorder_q = Queue()
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pypoPush_q = Queue()
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telnet_lock = Lock()
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"""
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This queue is shared between pypo-fetch and pypo-file, where pypo-file
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is the receiver. Pypo-fetch will send every schedule it gets to pypo-file
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and pypo will parse this schedule to determine which file has the highest
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priority, and will retrieve it.
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"""
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media_q = Queue()
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pmh = PypoMessageHandler(pypoFetch_q, recorder_q)
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pmh.daemon = True
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pmh.start()
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pfile = PypoFile(media_q)
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pfile.daemon = True
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pfile.start()
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pf = PypoFetch(pypoFetch_q, pypoPush_q, media_q, telnet_lock)
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pf.daemon = True
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pf.start()
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pp = PypoPush(pypoPush_q, telnet_lock)
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pp.daemon = True
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pp.start()
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recorder = Recorder(recorder_q)
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recorder.daemon = True
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recorder.start()
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# all join() are commented out becase we want to exit entire pypo
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# if pypofetch is exiting
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#pmh.join()
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#recorder.join()
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#pp.join()
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pf.join()
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logger.info("pypo fetch exit")
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sys.exit()
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"""
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if options.check:
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try: g.check_schedule()
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except Exception, e:
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print e
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if options.cleanup:
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try: pf.cleanup('scheduler')
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except Exception, e:
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print e
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"""
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