[Tutor] Configuaration files and paths?

[Allen Fowler]

> 
> Something like this ...
> 
> # lib/mypaths.py
> # --------------
> 
> import os
> 
> def script_path(base):
>     return os.path.realpath(os.path.abspath(base))
> 
> def script_dir(base):
>     return os.path.dirname(script_path(base))
> 
> def join_relative(base, path):
>     return os.path.join(script_dir(base), path)
> 
> # app.py
> # ------
> 
> ...
> 
> from lib.mypaths import join_relative
> print join_relative(__file__, 'config/prefs.ini')
> 
> # this may work when calling from
> # other modules, I suppose (untested)
> 
> import sys
> print join_relative(sys.argv[0], 'config/prefs.ini')
> 
> ...


FWIW:

When using relative paths I got extra ../../ terms, so I changed  join_relative() to:

def join_relative(base, path):
    return os.path.normpath(os.path.join(script_dir(base), path))


Seems to work...