Modifying signature of ctor in class

Joseph L. Casale jcasale at activenetwerx.com
Fri Sep 25 01:01:24 CEST 2015


> py> from inspect import Signature, Parameter
> py> def foo(*args, **kwargs): pass
> ...
> py> foo.__signature__ = Signature([Parameter('x',
> Parameter.POSITIONAL_OR_KEYWORD), Parameter('y',
> Parameter.KEYWORD_ONLY)])
> py> help(foo)
> Help on function foo in module __main__:
> 
> foo(x, *, y)

That actually should harmlessly support Python versions less than 3.3
while simply accomplishing nothing. I don't even need a test for the version.

I'll go with that as a decent trade off.

Thanks!
jlc


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