[Distutils] Possible to import from a zipfile retrieved from within an .egg using pkg_resource's ResourceManager API?

[P.J. Eby]

At 03:05 PM 7/22/2009 -0500, Dave Peterson wrote:
>P.J. Eby wrote:
>>At 07:02 PM 7/21/2009 -0500, Dave Peterson wrote:
>>
>>>Or is there a better way to do this? Perhaps there is a way to 
>>>force py2app/py2exe to avoid putting Mayavi within the site-packages zipfile?
>>
>>It would probably be better to extract tvtk_classes.zip to a 
>>directory of the same name, so that instead of having nested 
>>zipfiles, there's only one level of zipping, and you'll just be 
>>able to put the zipped subdirectory on sys.path. (Note that you can 
>>put a subdirectory of a zipfile on sys.path, and it'll still work. 
>>It's just that the subdirectory has to be a directory inside the 
>>zipfile, not another zipfile inside the zipfile.)
>
>Thanks for the hint on a better direction! This appears to be an 
>easy way to solve the py2app problem, though it requires a little 
>modification to Mayavi itself since it attempts to dynamically add 
>its tvtk_classes.zip to the sys.path. Just comment that out.

I suspect you needn't even do that if the directory in the zipfile is 
*named* tvtk_classes.zip.  It'll end up just adding that zipfile 
subdirectory to sys.path, and all will be well.  (YMMV, of course.)