Where do nested functions live?

Andrea Griffini agriff at tin.it
Sat Oct 28 16:17:42 CEST 2006


Fredrik Lundh wrote:
> Ben Finney wrote:
> 
>> If you want something that can be called *and* define its attributes,
>> you want something more complex than the default function type. Define
>> a class that has a '__call__' attribute, make an instance of that, and
>> you'll be able to access attributes and call it like a function.
> 
> I turned Steven's question and portions of the answers into a Python FAQ 
> entry:
> 
>     http://effbot.org/pyfaq/where-do-nested-functions-live.htm
> 
> Hope none of the contributors mind.

I'd add that while in some respect "def x" is like
an assigment to x ...

 >>> def f():
	global g
	def g():
             return "Yoo!"
 >>> f()
 >>> g()
'Yoo!'

in some other respect (unfortunately) it's not a regular assignment

 >>> x = object()
 >>> def x.g():
	
SyntaxError: invalid syntax
 >>>

Andrea



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