Function name unchanged in error message

Jean-Michel Pichavant jeanmichel at sequans.com
Fri Jan 29 14:44:49 CET 2010


andrew cooke wrote:
> Is there any way to change the name of the function in an error
> message?  In the example below I'd like the error to refer to bar(),
> for example (the motivation is related function decorators - I'd like
> the wrapper function to give the same name)
>
>   
>>>> def foo():
>>>>         
> ...     return 7
> ...
>   
>>>> foo.__name__ = 'bar'
>>>> foo(123)
>>>>         
> Traceback (most recent call last):
>   File "<stdin>", line 1, in <module>
> TypeError: foo() takes no arguments (1 given)
>
> Thanks,
> Andrew
>   
In [9]: def foo():
   ...:     return 7
   ...:

In [10]: bar = foo

In [11]: bar(54)

TypeError: foo() takes no arguments (1 given)

JM



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