[Python-Dev] PEP 303: Extend divmod() for Multiple Divisors

[Christian Tismer]

Paul Hughett wrote:
> Guido wrote:
> 
> 
>>>Hey, if we'll killing off builtins, I vote for apply().
>>
> 
>>Agreed, it's redundant.  You can help by checking in documentation
>>that marks it as deprecated and code that adds a
>>PendingDeprecationWarning to it (unfortunately it's so common that I
>>wouldn't want to risk a plain DeprecationWarning).
> 
> 
> You've lost me here.  I've recently written a piece of code that uses
> a lookup table on the name of a file to find the right function to
> apply to it; if I don't use apply for this, what should I use?  An
> explicit case statement cannot be dynamically modified; using eval()
> requires a conversion to string (and is arguably even uglier than
> apply).

Since a function is a first class callable object,
you just pick it out of your lookup table
    func = look[key]
and call it with the args and kwds which you got,
using the new asterisk syntax:
    ret = func(*args, **kwds)

ciao - chris

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