[Python-ideas] Add PassedArgSpec class to types and expose mapping given an ArgSpec.

[Nick Coghlan]

(Extra copy to the list, since Google Groups breaks the recipient list :P)

inspect.Signature.bind() supports this in Python 3.3+

For earlier versions, Aaron Iles backported the functionality on PyPI as
"funcsigs".

You can also just define an appropriate function, call it as f(*args,
**kwds) and return the resulting locals() namespace.

Cheers,
Nick.
On 19 Sep 2013 04:39, "Neil Girdhar" <mistersheik at gmail.com> wrote:

> As far as I know, the way that arguments are mapped to a parameter
> specification is not exposed to the programmer.  I suggest adding a
> PassedArgSpec class having two members: args and kwargs.  Then,
> inspect.ArgSpec can take an argument specification and decode the
> PassedArgSpect (putting the right things in the right places) and return a
> dictionary with everything in its right place.
>
> I can only think of one use for now, which is replacing "arguments" in the
> returned tuple of __reduce__ and maybe allowing it to be returned by
> "__getnewargs__".  It might also be nice to store such argument
> specifications instead of the pair args, kwargs when storing them in lists.
>
> Best,
>
> Neil
>
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