except AttributeError:
pass
else:
- # Unbound partialmethod (see functools.partialmethod)
- # This means, that we need to calculate the signature
- # as if it's a regular partial object, but taking into
- # account that the first positional argument
- # (usually `self`, or `cls`) will not be passed
- # automatically (as for boundmethods)
+ if isinstance(partialmethod, functools.partialmethod):
+ # Unbound partialmethod (see functools.partialmethod)
+ # This means, that we need to calculate the signature
+ # as if it's a regular partial object, but taking into
+ # account that the first positional argument
+ # (usually `self`, or `cls`) will not be passed
+ # automatically (as for boundmethods)
- wrapped_sig = signature(partialmethod.func)
- sig = _signature_get_partial(wrapped_sig, partialmethod, (None,))
+ wrapped_sig = signature(partialmethod.func)
+ sig = _signature_get_partial(wrapped_sig, partialmethod, (None,))
- first_wrapped_param = tuple(wrapped_sig.parameters.values())[0]
- new_params = (first_wrapped_param,) + tuple(sig.parameters.values())
+ first_wrapped_param = tuple(wrapped_sig.parameters.values())[0]
+ new_params = (first_wrapped_param,) + tuple(sig.parameters.values())
- return sig.replace(parameters=new_params)
+ return sig.replace(parameters=new_params)
if _signature_is_builtin(obj):
return Signature.from_builtin(obj)
('c', 1, ..., 'keyword_only')),
'spam'))
+ def test_signature_on_fake_partialmethod(self):
+ def foo(a): pass
+ foo._partialmethod = 'spam'
+ self.assertEqual(str(inspect.signature(foo)), '(a)')
+
def test_signature_on_decorated(self):
import functools