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from rhodecode.lib.utils import BasePasterCommand, Command
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from celery.app import app_or_default
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from celery.bin import camqadm, celerybeat, celeryd, celeryev
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from pylons import config
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from rhodecode.lib import str2bool
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__all__ = ['CeleryDaemonCommand', 'CeleryBeatCommand',
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'CAMQPAdminCommand', 'CeleryEventCommand']
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class CeleryCommand(BasePasterCommand):
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"""Abstract class implements run methods needed for celery
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Starts the celery worker that uses a paste.deploy configuration
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file.
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"""
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def update_parser(self):
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"""
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Abstract method. Allows for the class's parser to be updated
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before the superclass's `run` method is called. Necessary to
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allow options/arguments to be passed through to the underlying
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celery command.
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"""
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cmd = self.celery_command(app_or_default())
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for x in cmd.get_options():
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self.parser.add_option(x)
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def command(self):
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try:
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CELERY_ON = str2bool(config['app_conf'].get('use_celery'))
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except KeyError:
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CELERY_ON = False
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if CELERY_ON == False:
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raise Exception('Please enable celery_on in .ini config '
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'file before running celeryd')
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cmd = self.celery_command(app_or_default())
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return cmd.run(**vars(self.options))
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class CeleryDaemonCommand(CeleryCommand):
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"""Start the celery worker
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Starts the celery worker that uses a paste.deploy configuration
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file.
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"""
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usage = 'CONFIG_FILE [celeryd options...]'
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summary = __doc__.splitlines()[0]
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description = "".join(__doc__.splitlines()[2:])
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parser = Command.standard_parser(quiet=True)
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celery_command = celeryd.WorkerCommand
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class CeleryBeatCommand(CeleryCommand):
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"""Start the celery beat server
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Starts the celery beat server using a paste.deploy configuration
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file.
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"""
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usage = 'CONFIG_FILE [celerybeat options...]'
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summary = __doc__.splitlines()[0]
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description = "".join(__doc__.splitlines()[2:])
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parser = Command.standard_parser(quiet=True)
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celery_command = celerybeat.BeatCommand
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class CAMQPAdminCommand(CeleryCommand):
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"""CAMQP Admin
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CAMQP celery admin tool.
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"""
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usage = 'CONFIG_FILE [camqadm options...]'
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summary = __doc__.splitlines()[0]
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description = "".join(__doc__.splitlines()[2:])
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parser = Command.standard_parser(quiet=True)
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celery_command = camqadm.AMQPAdminCommand
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class CeleryEventCommand(CeleryCommand):
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"""Celery event command.
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Capture celery events.
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"""
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usage = 'CONFIG_FILE [celeryev options...]'
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summary = __doc__.splitlines()[0]
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description = "".join(__doc__.splitlines()[2:])
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parser = Command.standard_parser(quiet=True)
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celery_command = celeryev.EvCommand
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