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Register Bindings if they are declared after ready has run

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If the declaration of a binding happens after the ``ready``-method of channels has run, the binding was not registered. With this it will be registered at declaration. This also ensures that no registration happens before the ``ready``-method runs.
This commit is contained in:
AlexejStukov 2016-07-21 08:18:15 +02:00 committed by GitHub
parent 9d7cba109e
commit d9c1559a90
1 changed files with 5 additions and 1 deletions
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6
channels/binding/base.py
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@ -12,19 +12,23 @@ class BindingMetaclass(type):
"""
Metaclass that tracks instantiations of its type.
"""
register_immediately = False
binding_classes = []
def __new__(cls, name, bases, body):
klass = type.__new__(cls, name, bases, body)
if bases != (object, ):
cls.binding_classes.append(klass)
if cls.register_immediately:
cls.register()
return klass
@classmethod
def register_all(cls):
for binding_class in cls.binding_classes:
binding_class.register()
cls.register_immediately = True
@six.add_metaclass(BindingMetaclass)