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43 lines
1.4 KiB
Python
43 lines
1.4 KiB
Python
"""Django/PostgreSQL implementation of the Meteor DDP service."""
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import os.path
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from pkg_resources import get_distribution, DistributionNotFound
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from django.utils.module_loading import autodiscover_modules
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from gevent.local import local
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from dddp import alea
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try:
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_dist = get_distribution('django-ddp')
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if not __file__.startswith(os.path.join(_dist.location, 'django-ddp', '')):
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# not installed, but there is another version that *is*
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raise DistributionNotFound
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except DistributionNotFound:
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__version__ = 'development'
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else:
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__version__ = _dist.version
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default_app_config = 'dddp.apps.DjangoDDPConfig'
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class ThreadLocal(local):
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_init_done = False
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def __init__(self, **default_factories):
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if self._init_done:
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raise SystemError('__init__ called too many times')
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self._init_done = True
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self._default_factories = default_factories
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def __getattr__(self, name):
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try:
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factory = self._default_factories[name]
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except KeyError:
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raise AttributeError
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obj = factory()
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setattr(self, name, obj)
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return obj
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def get(self, name, factory, *factory_args, **factory_kwargs):
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if not hasattr(self, name):
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return setattr(self, name, factory(*factory_args, **factory_kwargs))
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return getattr(self, name)
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THREAD_LOCAL = ThreadLocal(alea_random=alea.Alea)
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