68 lines
2.6 KiB
Python
68 lines
2.6 KiB
Python
import logging
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from nose.plugins.base import Plugin
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from eventlet import hubs
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log = logging.getLogger('nose.plugins.eventlethub')
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class EventletHub(Plugin):
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name = 'eventlethub'
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def options(self, parser, env):
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super(EventletHub, self).options(parser, env)
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parser.add_option('--hub',
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dest="eventlet_hub",
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metavar="HUB",
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default=env.get('NOSE_EVENTLET_HUB'),
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help="Use the specified eventlet hub for the tests."\
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" [NOSE_EVENTLET_HUB]")
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parser.add_option('--reactor',
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dest="eventlet_reactor",
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metavar="REACTOR",
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default=env.get('NOSE_EVENTLET_REACTOR'),
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help="Use the specified Twisted reactor for the "\
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"tests. Use of this flag forces the twisted hub, "\
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"as if --hub=twistedr was also supplied. "\
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"[NOSE_EVENTLET_REACTOR]")
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def configure(self, options, config):
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super(EventletHub, self).configure(options, config)
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if options.eventlet_reactor is not None:
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self.hub_name = 'twistedr'
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self.reactor = options.eventlet_reactor
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else:
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self.hub_name = options.eventlet_hub
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self.reactor = None
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if self.hub_name == 'twistedr':
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self.twisted_already_used = False
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if self.reactor is None:
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raise ValueError("Can't have twisted hub without specifying a "\
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"reactor. Use --reactor instead.")
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m = __import__('twisted.internet.' + self.reactor)
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getattr(m.internet, self.reactor).install()
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def help(self):
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return "Allows selection of a specific eventlet hub via the "\
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"--eventlet-hub command-line option. If no hub is explicitly "\
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" specified, the default hub for the current configuration is printed "\
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" and used."
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def begin(self):
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"""Select the desired hub.
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"""
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if self.hub_name is None:
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log.warn('Using default eventlet hub: %s, did you mean '\
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'to supply --hub command line argument?',
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hubs.get_hub().__module__)
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else:
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if self.hub_name == 'twistedr':
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if self.twisted_already_used:
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return
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else:
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self.twisted_already_used = True
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hubs.use_hub(self.hub_name)
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log.info('using hub %s', hubs.get_hub())
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