class Dummy(object):
def __getattr__(self, attr):
try:
return super(self.__class__, self).__getattr__(attr)
except AttributeError:
if attr in ('__base__', '__bases__', '__basicsize__', '__cmp__',
'__dictoffset__', '__flags__', '__itemsize__',
'__members__', '__methods__', '__mro__', '__name__',
'__subclasses__', '__weakrefoffset__',
'_getAttributeNames', 'mro'):
raise
else:
return self
def next(self):
raise StopIteration
def __repr__(self):
return 'Dummy()'
def __init__(self, *args, **kwargs):
pass
def __len__(self):
return 0
def __eq__(self, other):
return self is other
def __hash__(self):
return hash(None)
def __call__(self, *args, **kwargs):
return self
__sub__ = __div__ = __mul__ = __floordiv__ = __mod__ = __and__ = __or__ = \
__xor__ = __rsub__ = __rdiv__ = __rmul__ = __rfloordiv__ = __rmod__ = \
__rand__ = __rxor__ = __ror__ = __radd__ = __pow__ = __rpow__ = \
__rshift__ = __lshift__ = __rrshift__ = __rlshift__ = __truediv__ = \
__rtruediv__ = __add__ = __getitem__ = __neg__ = __pos__ = __abs__ = \
__invert__ = __setattr__ = __delattr__ = __delitem__ = __setitem__ = \
__iter__ = __call__
Dummy = Dummy()
