Gerard Brunick schrieb:
> Consider:
>
> >>> def negate(func):
> ... def wrapper(*args, **kwargs):
> ... return not func(*args, **kwargs)
> ... return wrapper
> ...
> >>> def f(x):
> ... return x > 10
> ...
> >>> g = negate(f)
> >>> g(20)
> False
> >>> g(5)
> True
>
> Now g has the argument signature of (*args, **kwargs). Pop-up help in
> Python
> Scripter(which is great by the way) tells me this, as does
>
> >>> g.func_code.co_varnames
> ('args', 'kwargs')
>
> Is there anyway to fix this in negate? I assume that I can't just start
> changing things in g.func_code since the bytecodes depend on the order
> of variables and lots of other stuff that I don't claim to understand.
>
> Please note: From the new functools module, I see that one can set/update
> __module__, __name__, __doc__, and __dict__ using the corresponding
> attributes
> from the wrapped function; however, none these fix up the argument
> signature
> do they? (I'm still running 2.4, so I haven't tried it.)
You can use Michele Simionato's decorator-module.
http://www.phyast.pitt.edu/~micheles/python/documentation.html
HTH,
Diez
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