Ionel Cristian Mărieș added the comment:
Turns out I've replied through email, and code got mangled. This is the correct
version:
class GenericProxy:
def __init__(self, proxied):
self.proxied = proxied
@property
def __iter__(self):
if not hasattr(self.proxied, '__iter__'):
raise AttributeError
else:
return lambda: self
@property
def __next__(self):
if not hasattr(self.proxied, '__next__'):
raise AttributeError
else:
return lambda: next(self.proxied)
Note the lambdas.
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