[Python-Dev] how important is setting co_filename for a module being imported to what __file__ is set to?

[P.J. Eby]

At 02:57 PM 8/31/2009 -0700, Brett Cannon wrote:
>Ignoring that 'new' is not in Python 3.x (luckily 'types' is), I want
>a proper solution that doesn't require reconstructing every code
>object that I happen to import.

Practicality beats purity.  ;-)  (Especially if it allows importlib 
to run on older Pythons.)

Also, surely you're not worried about *performance* here?