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Make init_subclass work in Python 3.5
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parent
e38007868e
commit
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@ -1,19 +1,19 @@
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import six
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is_init_subclass_available = hasattr(object, '__init_subclass__')
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if six.PY2:
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if not is_init_subclass_available:
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class InitSubclassMeta(type):
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"""Metaclass that implements PEP 487 protocol"""
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def __new__(cls, name, bases, ns):
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def __new__(cls, name, bases, ns, **kwargs):
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__init_subclass__ = ns.pop('__init_subclass__', None)
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if __init_subclass__:
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__init_subclass__ = classmethod(__init_subclass__)
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ns['__init_subclass__'] = __init_subclass__
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return super(InitSubclassMeta, cls).__new__(cls, name, bases, ns)
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return super(InitSubclassMeta, cls).__new__(cls, name, bases, ns, **kwargs)
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def __init__(cls, name, bases, ns):
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def __init__(cls, name, bases, ns, **kwargs):
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super(InitSubclassMeta, cls).__init__(name, bases, ns)
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super_class = super(cls, cls)
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if hasattr(super_class, '__init_subclass__'):
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super_class.__init_subclass__.__func__(cls)
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super_class.__init_subclass__.__func__(cls, **kwargs)
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else:
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InitSubclassMeta = type
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