151 lines
4.9 KiB
Python
151 lines
4.9 KiB
Python
"""
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Main tool to work with liquidsoap. We can:
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- monitor Liquidsoap's sources and do logs, print what's on air.
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- generate configuration files and playlists for a given station
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"""
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import os
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import time
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import re
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from argparse import RawTextHelpFormatter
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from django.conf import settings as main_settings
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from django.core.management.base import BaseCommand, CommandError
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from django.template.loader import render_to_string
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from django.utils import timezone as tz
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import aircox.programs.models as models
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import aircox.programs.settings as programs_settings
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import aircox.liquidsoap.settings as settings
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import aircox.liquidsoap.utils as utils
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class StationConfig:
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"""
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Configuration and playlist generator for a station.
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"""
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controller = None
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def __init__ (self, station):
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self.controller = utils.Controller(station, False)
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def handle (self, options):
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os.makedirs(self.controller.path, exist_ok = True)
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if options.get('config') or options.get('all'):
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self.make_config()
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if options.get('streams') or options.get('all'):
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self.make_playlists()
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def make_config (self):
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log_script = main_settings.BASE_DIR \
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if hasattr(main_settings, 'BASE_DIR') else \
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main_settings.PROJECT_ROOT
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log_script = os.path.join(log_script, 'manage.py') + \
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' liquidsoap_log'
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context = {
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'controller': self.controller,
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'settings': settings,
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'log_script': log_script,
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}
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data = render_to_string('aircox/liquidsoap/station.liq', context)
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data = re.sub(r'\s*\\\n', r'#\\n#', data)
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data = data.replace('\n', '')
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data = re.sub(r'#\\n#', '\n', data)
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with open(self.controller.config_path, 'w+') as file:
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file.write(data)
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def make_playlists (self):
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for stream in self.controller.streams.values():
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program = stream.program
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sounds = models.Sound.objects.filter(
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# good_quality = True,
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type = models.Sound.Type['archive'],
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path__startswith = os.path.join(
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programs_settings.AIRCOX_SOUND_ARCHIVES_SUBDIR,
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program.path
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)
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)
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with open(stream.path, 'w+') as file:
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file.write('\n'.join(sound.path for sound in sounds))
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class Command (BaseCommand):
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help= __doc__
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output_dir = settings.AIRCOX_LIQUIDSOAP_MEDIA
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def add_arguments (self, parser):
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parser.formatter_class=RawTextHelpFormatter
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group = parser.add_argument_group('monitor')
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group.add_argument(
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'-o', '--on_air', action='store_true',
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help='print what is on air'
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)
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group.add_argument(
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'-m', '--monitor', action='store_true',
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help='run in monitor mode'
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)
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group.add_argument(
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'-d', '--delay', type=int,
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default=1000,
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help='time to sleep in milliseconds before update on monitor'
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)
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group = parser.add_argument_group('configuration')
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parser.add_argument(
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'-s', '--station', type=int,
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help='generate files for the given station (if not set, do it for'
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' all available stations)'
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)
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parser.add_argument(
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'-c', '--config', action='store_true',
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help='generate liquidsoap config file'
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)
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parser.add_argument(
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'-S', '--streams', action='store_true',
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help='generate all stream playlists'
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)
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parser.add_argument(
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'-a', '--all', action='store_true',
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help='shortcut for -cS'
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)
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def handle (self, *args, **options):
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if options.get('station'):
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station = models.Station.objects.get(id = options.get('station'))
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StationConfig(station).handle(options)
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elif options.get('all') or options.get('config') or \
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options.get('streams'):
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for station in models.Station.objects.filter(active = True):
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StationConfig(station).handle(options)
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if options.get('on_air') or options.get('monitor'):
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self.handle_monitor(options)
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def handle_monitor (self, options):
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self.monitor = utils.Monitor()
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self.monitor.update()
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if options.get('on_air'):
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for id, controller in self.monitor.controller.items():
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print(id, controller.on_air)
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return
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if options.get('monitor'):
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delay = options.get('delay') / 1000
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while True:
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for controller in self.monitor.controllers.values():
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try:
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controller.monitor()
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except Exception as err:
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print(err)
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time.sleep(delay)
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return
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