pyc-files contains absolute paths, is this a bug ?

Diez B. Roggisch deets at
Mon Jun 8 18:15:07 CEST 2009

Stef Mientki wrote:

> hello,
> AFAIK I read that pyc files can be transferred to other systems.
> I finally got a windows executable working through py2exe,
> but still have some troubles, moving the directory around.
> I use Python 2.5.2.
> I use py2exe to make a distro
> I can unpack the distro, on a clean computer, anywhere where I like, and
> it runs fine.
> Now when I've run it once,
> I move the subdirectory to another location,
> at it doesn't run.
> Looking with a hex editor into some pyc-files,
> I see absolute paths to the old directory.

It is normal, because they refer to the location of the source-files, which
are needed for stacktraces (or at least something like that)

But execution itself is independent from this.
> Is this normal,
> or am I doing something completely wrong ?

Dunno anything about py2exe, but it sure sounds a bit awkward what you do -
changing locations of files after installation is calling for trouble in
lots of software. But I might not have understood what you actually did - 
and "doesn't" run isn't helping much in that regard.....


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