[Distutils] zip eggs not accessible when running setuptools under IIS

[primco]

Phillip J. Eby wrote:
> 
> At 07:12 PM 9/8/2006 -0700, primco wrote:
>>Sorry, it's a DistributionNotFound error. Here's the end of the traceback.
>>...
>>pkg_resources.DistributionNotFound: Routes>=1.4.1
> 
> So this is with a Routes .egg zipfile, but if you extract it to an .egg 
> directory, it works?  And if you run it without IIS, it works even with
> the 
> zipped .egg?
> 
> Is that a correct summary of the problem?
> 

Yes. This is correct.

Mark Hammond is helping me on this as well and we may have a fix that I'm
testing right now.

from Mark:
That one is strange!  Inside an IIS6 environment (but not IIS5), that
advanced.py sample shows the following error upon reloading:

Traceback (most recent call last):
  File "C:\src\python-2.4-svn\lib\threading.py", line 442, in __bootstrap
    self.run()
  File "\\?\C:\src\pywin32\isapi\samples\advanced.py", line 72, in run
OSError: [Errno 2] No such file or directory:
'\\\\?\\C:\\src\\pywin32\\isapi\\samples\\advanced.py'

As you can see, inside the IIS environment, we are getting filenames in the
'unlimited length' style supported by Windows - note the leading '\\?'.  The
Python (ie, c runtime) file routines don't know how to deal with that.  I
just took a hacky approach, by changing advanced.py thusly:

        self.filename = __file__
        # IIS6 will give an 'unlimited length' style filename (eg,
        # '\\?\C:\foo...' - for now, just hack around this.
        if self.filename.startswith('\\\\?\\'):
            self.filename = self.filename[4:]

However, this is possibly *not* the best fix for this.  If you look at
sys.path, you will notice that sys.path[0] is a string in this format - it
seems more appropriate that we fix that pathname at the source - but I'm out
of time to dig any deeper than that right now - but there is a reasonable
possibility your egg problem directly relates to this...

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