On 31 ago, 05:33, Rolando Espinoza La Fuente <dark...@gmail.com>
wrote:
> On Mon, Aug 30, 2010 at 11:06 PM, vsoler <vicente.so...@gmail.com> wrote:
> > On 31 ago, 04:42, Paul Rubin <no.em...@nospam.invalid> wrote:
> >> vsoler <vicente.so...@gmail.com> writes:
> >> > I was expecting an itertools.py file, but I don't see it in your list.
> >> >> ./python3.1-3.1.2+20100829/Modules/itertoolsmodule.c
>
> >> looks promising. Lots of stdlib modules are written in C for speed or
> >> access to system facilities.
>
> > Lawrence, Paul,
>
> > You seem to be running a utility I am not familiar with. Perhaps this
> > is because I am using Windows, and most likely you are not.
>
> > How could I have found the answer in a windows environment?
>
> Hard question. They are using standard unix utilities.
>
> But you can find the source file of a python module within python:
>
> >>> import itertools
> >>> print(itertools.__file__)
>
> /usr/lib/python2.6/lib-dynload/itertools.so
>
> Yours should point to a windows path. If the file ends with a ".py",
> you can open the file
> with any editor. If ends with ".so" or something else likely is a
> compiled module in C
> and you should search in the source distribution, not the binary distribution.
>
> Hope it helps.
>
> Regards,
>
> Rolando Espinoza La fuentewww.insophia.com
Thank you Rolando for your contribution.
Followinf your piece of advice I got:
>>> import itertools
>>> print(itertools.__file__)
Traceback (most recent call last):
File "<pyshell#1>", line 1, in <module>
print(itertools.__file__)
AttributeError: 'module' object has no attribute '__file__'
>>>
So, I undestand that the module is written in C.
Vicente Soler
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