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| From | Ian Kelly <ian.g.kelly@gmail.com> |
| Date | Thu, 24 Sep 2015 17:31:37 -0600 |
| Subject | Re: Modifying signature of ctor in class |
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On Thu, Sep 24, 2015 at 5:01 PM, Joseph L. Casale
<jcasale@activenetwerx.com> wrote:
>> 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.
Well, setting the __signature__ attribute is harmless, but do note
that inspect.Signature doesn't exist before 3.3.
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Re: Modifying signature of ctor in class Ian Kelly <ian.g.kelly@gmail.com> - 2015-09-24 17:31 -0600
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