[Tutor] call a def/class by reference

[DS]

bob wrote:

> At 04:29 PM 9/28/2005, DS wrote:
>
>> What I'm hoping to avoid is an
>> explicit reference to any of the called functions within the program.
>> By doing it that way, it would avoid a maintenance problem of having to
>> remember to put a reference for every new function in the calling
>> program.
>
>
> Try this - a class in which you define all the functions. The __init__
> method builds the dictionary.
>
> >>> class X:
> ...     funcs = {}
> ...     def y(self):
> ...             pass
> ...     def __init__(self):
> ...             for itemname in dir(self):
> ...                     if not itemname.startswith('__'):
> ...                             item = getattr(self, itemname)
> ...                             if callable(item):
> ...                                     self.funcs[itemname] = item
> ...
> >>> y = X()
> >>> y.funcs
> {'y': <bound method x.y of <__main__.x instance at 0x01119828>>}
>   


Thanks bob, that's an interesting approach.  That would be one huge class.

ds