Re: [Jython-dev] how to use os.path?, renaming packages

[Ype K. <yk...@xs...>]

Finn,

>[Ype Kingma]
>
>>I investigated the problem of my previous post (below).
>>It appears that os.path.dirname() is confused when
>>using both backward and forward slashes, ...
>
>Could you show an example of this confusion? I think the results is far
>better than what I had feared:
>
>Jython 2.1a2 on java1.4.0-beta (JIT: null)
>Type "copyright", "credits" or "license" for more information.
>>>> import os
>>>> os.path.dirname('e:\\someDir\\packag/modul.py')
>'e:\\someDir\\packag'
>>>> os.path.dirname('e:\\someDir\\packag\\modul.py')
>'e:\\someDir\\packag'
>>>> os.path.dirname('e:\\someDir/packag/modul.py')
>'e:\\someDir\\packag'
>>>>

I'll give the answer in a day or two. I vaguely recall that output
of your first example was  'e:\\someDir', but real output is better.

<snip>
>
>>Finally another thing (21a1): I renamed the directory of a package,
>>and then changed all occurrences of the package name.
> >Then I found out that the compiled modules contain a reference
> >to the old package file name, even though they where loaded
> >using the new package name. The fix was to remove the class files.
>>Should this be added to the docs or is it a bug?
>
>I suppose it depends on the situation. Note that CPython will write the
>old packagename in stacktraces. Where is it you say the old package
>names?

Off the top of my head:
It's in the __filename__ attribute of the imported compiled module:
  sys.modules['modul'].__filename__

Thanks,
Ype