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class MethodMissingMixin(object):
"""
A Mixin' to implement the 'method_missing' Ruby-like protocol.
This was `taken from a blog post <http://blog.iffy.us/?p=43>`_
"""
def __getattr__(self, attr):
try:
return object.__getattribute__(self, attr)
except:
class MethodMissing(object):
def __init__(self, wrapped, method):
self.__wrapped__ = wrapped
self.__method__ = method
def __call__(self, *args, **kwargs):
return self.__wrapped__.method_missing(self.__method__, *args, **kwargs)
return MethodMissing(self, attr)
def method_missing(self, *args, **kwargs):
""" This method should be overridden in the derived class. """
raise NotImplementedError(str(self.__wrapped__) + " 'method_missing' method has not been implemented.")
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