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Groups > comp.lang.python > #20163

Re: changing sys.path

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On 02/10/2012 08:08 AM, Andrea Crotti wrote:
> I think I finally located the issue with the sys.path extension.
>
> The problem is that I have many namespace directories, for example
>
> lib:
>  - sub1
>  - sub2
>
> lib:
>   - sub3
>   - sub4
>
> But to have everything working I had lib.sub3 in easy-install.pth.
> Now if I try to add something else to the path it doesn't take care of 
> the namespace
> declaration
> (every __init__.py in the packages contains: 
> __import__('pkg_resources').declare_namespace(__name__))
> and just doesn't find the other submodules..
>
> If I try to add manually lib.sub1, lib.sub2 changing the sys.path the 
> imports will only work for the first one.
>
> Strangely if I just create a dev_main.pth in site-packages containing 
> the same paths, everything works perfectly.
>
> Any suggestions now that the problem is more clear?
> Thanks,
> Andrea

The only code I saw in this thread was:

sys.path.extend(paths_to_add)

Can you add a print of paths_to_add, and of sys.path after you execute it?

If there's only one path, are you putting it in a list anyway?  If not 
then it won't do what you expect.



-- 

DaveA

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Thread

changing sys.path Andrea Crotti <andrea.crotti.0@gmail.com> - 2012-02-01 16:15 +0000
  Re: changing sys.path jmfauth <wxjmfauth@gmail.com> - 2012-02-01 09:06 -0800
  Re: changing sys.path Rick Johnson <rantingrickjohnson@gmail.com> - 2012-02-01 09:17 -0800
    Re: changing sys.path Andrea Crotti <andrea.crotti.0@gmail.com> - 2012-02-10 13:08 +0000
    Re: changing sys.path Dave Angel <d@davea.name> - 2012-02-10 09:24 -0500
    Re: changing sys.path Andrea Crotti <andrea.crotti.0@gmail.com> - 2012-02-10 14:51 +0000
    Re: changing sys.path Dave Angel <d@davea.name> - 2012-02-10 10:06 -0500
    Re: changing sys.path Andrea Crotti <andrea.crotti.0@gmail.com> - 2012-02-10 15:14 +0000
    Re: changing sys.path Peter Otten <__peter__@web.de> - 2012-02-10 16:27 +0100
    Re: changing sys.path Andrea Crotti <andrea.crotti.0@gmail.com> - 2012-02-10 15:38 +0000
    Re: changing sys.path Peter Otten <__peter__@web.de> - 2012-02-10 16:40 +0100
    Re: changing sys.path Peter Otten <__peter__@web.de> - 2012-02-10 17:00 +0100
    Re: changing sys.path Andrea Crotti <andrea.crotti.0@gmail.com> - 2012-02-10 20:58 +0000
  Re: changing sys.path Tim Roberts <timr@probo.com> - 2012-02-02 21:10 -0800
  Re: changing sys.path John Nagle <nagle@animats.com> - 2012-02-08 13:43 -0800

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