Files
deb-python-eventlet/tests/eventlethub.py

68 lines
2.6 KiB
Python

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