Louie Lu added the comment:
I'm now testing to change getfullargspect to signature. It came out that
signature can't accept bound method with only _VAR_KEYWORD. This test case will
gave a ValueError:
>>> class C:
def m2(**kw):
pass
>>> c = C()
>>> ip.signature(c.m2)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/lib/python3.6/inspect.py", line 3002, in signature
return Signature.from_callable(obj, follow_wrapped=follow_wrapped)
File "/usr/lib/python3.6/inspect.py", line 2752, in from_callable
follow_wrapper_chains=follow_wrapped)
File "/usr/lib/python3.6/inspect.py", line 2169, in _signature_from_callable
return _signature_bound_method(sig)
File "/usr/lib/python3.6/inspect.py", line 1759, in _signature_bound_method
raise ValueError('invalid method signature')
ValueError: invalid method signature
----------
nosy: +louielu
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<http://bugs.python.org/issue19903>
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