How to obtain python file path

[Gary Cramblitt]

On Tue, 01 Apr 2003 21:58:12 +0000, Dan Grassi wrote:

> Not quite, that only provides the path to the initial .py file.
> 
> With a directory structure:
> fa
>     a.py
>     fb
>         b.py
> 
> cd .../fa
> execute a.py
> where a adds fb to sys.path
> a imports b.py
> 
> I need b.py to report it's path which would be .../fa/fb
> 
> 
I might have seen something on the python cookbook website.  As I recall,
the basic technique is to force an exception, then use the info in the
exception object to get the path to the .py file causing the exception.