[issue3135] inspect.getcallargs()

[George Sakkis]

George Sakkis <george.sakkis at gmail.com> added the comment:

I updated the recipe to also return a `missing_args` tuple - the tuple
of the formal parameters whose value was not provided. This is useful in
cases where one want to distinguish f() from f(None) given "def f(x=None)".

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versions: +Python 2.7 -Python 2.6

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