[Distutils] pkg_resources on Windows

[Andrea Crotti]

On 12/13/2011 01:08 PM, Michael Foord wrote:
>
>
> On 13 December 2011 11:40, Andrea Crotti <andrea.crotti.0 at gmail.com 
> <mailto:andrea.crotti.0 at gmail.com>> wrote:
>
>     I have a script installed with "python setup.py develop" on
>     windows 7 in
>     the directory c:\python25\scripts.
>
>     The script looks like:
>
>     #!c:\python25\python.exe
>     # EASY-INSTALL-DEV-SCRIPT: 'psi.devsonly==0.1','dev_main.py'
>     __requires__ = 'psi.devsonly==0.1'
>     from pkg_resources import require; require('psi.devsonly==0.1')
>     del require
>     __file__ = 'h:\\long\\path\\bin\\dev_main.py'
>     execfile(__file__)
>
>     c:\python25\script is actually in the $PATH, but if I try to launch
>     that command it doesn't work because it tries with c:\Python27.
>
>     long\path\git_projs\Psi>dev_main.py -h
>     dev_main.py -h
>     Traceback (most recent call last):
>      File "C:\python25\scripts\dev_main.py", line 4, in <module>
>        from pkg_resources import require; require('psi.devsonly==0.1')
>      File
>     "C:\Python27\lib\site-packages\setuptools-0.6c11-py2.7.egg\pkg_resources.py",
>     line 2603, in <module>
>      File
>     "C:\Python27\lib\site-packages\setuptools-0.6c11-py2.7.egg\pkg_resources.py",
>     line 666, in require
>      File
>     "C:\Python27\lib\site-packages\setuptools-0.6c11-py2.7.egg\pkg_resources.py",
>     line 565, in resolve
>     pkg_resources.DistributionNotFound: psi.devsonly==0.1
>
>
>     This makes me thing that
>     - the shebang is absolutely ignored
>
>
>
> Yes, Windows ignores shebang lines, they're a UNIX convention. Windows 
> uses file associations to decide what program to launch scripts with.
>
> The Windows Python installer associates .py files with python.exe - so 
> the most recent version of Python you installed will have the file 
> association.
>
> For scripts on Windows I *thought* setuptools created .exe wrappers to 
> get round this problem. It may not do this when you use "setup.py 
> develop" though.
>
> All the best,
>
> Michael Foord
>

I thought so, but I was surprised to see the shebang line in the script 
file, so I supposed that it was actually working.
So if I just make sure that every py file is associated with that 
particular version of python everything should work,
right?
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.python.org/pipermail/distutils-sig/attachments/20111213/b3b4c3c4/attachment.html>