isgenerator(...) - anywhere to be found?

[Diez B. Roggisch]

Stefan Rank wrote:

> on 22.01.2008 14:20 Diez B. Roggisch said the following:
>> 
>> def isgenerator(v):
>>     def _g(): yield
>>     return type(v) == type(_g())
>> 
>> But I wonder why there is no such method already available?
> 
> 
> This tests for generator objects, and you could also use::
> 
>    return type(v) is types.GeneratorType
> 
> I think that this is pretty direct already.

Not as nice as it could be, but certainly way less hackish than my approach.
Thanks!

> I also need to test for generator functions from time to time for which
> I use::
> 
>    def _isaGeneratorFunction(func):
>        '''Check the bitmask of `func` for the magic generator flag.'''
>        return bool(func.func_code.co_flags & CO_GENERATOR)

Not sure if that's not a bit too much on the dark magic side.. but good to
know that it exists.

Diez