__file__ is sometimes absolute, sometimes relative

Arnaud Delobelle arnodel at gmail.com
Fri Oct 1 18:43:21 CEST 2010

Sébastien Barthélemy <barthelemy at crans.org> writes:

> Hello,


> I use a data file that lies on disk in the same directory that the
> module which makes use of it.
> The data file is checked in the repository and gets installed by
> the distutils ``package_data`` directive, so it is in place both
> during development and after and install.
> In my program, I need to find the absolute path to this data file.
> I could think of 3 ways to do this:
> 1. using the __path__ property in the module
> 2. using __file__ property in the module
> 3. using __file__ and os.getcwd() in the module

I have used the following, but I don't know either if it is a good way:



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