[Tutor] how to determine where a module or function is called from

[Lance Haig]

Hi Kent,

Thank you

I was able to find it in the end.

<blushes>

It was at the bottom of the file I was editing

</blushes>

Lance

Kent Johnson wrote:
> Lance Haig wrote:
>> I am debugging a script that was written by someone else and I was 
>> wondering if there is a way to determine where a function or module 
>> is imported from
>
> You can use the __file__ attribute of a module:
> In [9]: csv.__file__
> Out[9]: 
> '/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/csv.pyc'
>
> For a function use the __module__ attribute to get the module:
> In [10]: csv.reader.__module__
> Out[10]: '_csv'
>
> This is a string so you have to do a little more work to get the file:
>
> In [12]: import sys
> In [13]: sys.modules[csv.reader.__module__].__file__
> Out[13]: 
> '/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/lib-dynload/_csv.so' 
>
>
> Kent
>