mattia wrote:
> Il Sun, 20 Dec 2009 13:53:18 +0100, Irmen de Jong ha scritto:
>
>> On 12/20/2009 1:45 PM, mattia wrote:
>>> Hi all, is there a way in the python shell to list the path of a
>>> library function (in order to look at the source code?).
>>>
>>> Thanks, Mattia
>>
>> something like this?
>>
>> >>> import inspect
>> >>> import os
>> >>> inspect.getsourcefile(os.path.split)
>> 'C:\\Python26\\lib\\ntpath.py'
>> >>> print inspect.getsource(os.path.split)
>> def split(p):
>> """Split a pathname.
>> ...
>> ...
>>
>>
>> --irmen
>
> Ok, but how can I retrieve information about built-in functions (if any)?
>
>>>> inspect.getsourcefile(itertools.product)
> Traceback (most recent call last):
> File "<stdin>", line 1, in <module>
> File "C:\Python31\lib\inspect.py", line 439, in getsourcefile
> filename = getfile(object)
> File "C:\Python31\lib\inspect.py", line 406, in getfile
> raise TypeError('arg is a built-in class')
> TypeError: arg is a built-in class
To get to the source of functions written in C you have to download the
source distribution, or you can browse the subversion tree:
http://svn.python.org/view/python/trunk/Modules/itertoolsmodule.c?view=markup
Peter
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