[Chicago] import question

[Massimo Di Pierro]

I will look into your module. Thanks

On Jan 22, 2008, at 4:36 PM, Cosmin Stejerean wrote:

> adding both contrib and test in your example to the path is indeed  
> bad since as far as Python is concerned contrib.test and test refer  
> to two separate modules.
>
> The __init__.py inside of the test package contains "from  
> test.other import something"? It can simply be
>
> from other import something
>
> which would bring something into test. This won't work in more  
> complicated situations like
>
> test/
>  __init__.py
>  package1/
>    __init__.py
>    mod1.py
>  package2/
>   __init__.py
>    mod2.py
>
> If mod2.py from package2 needs to reference something from package1  
> it had no choice traditionally but to refernece package1 as  
> test.package1 (which causes exactly the problems you describe).  
> This is the reason relative imports were added but it does require  
> patching the library in question. I don't think there is any way  
> around this other than:
>
> 1. put the test under an external directory that is added to the  
> path, not inside another package
> 2. patch the library by either
>    a) using relative imports (breaks compatibility with 2.4 and  
> possibly 2.5)
>    b) refactor using a library like py-ioc (http://code.google.com/ 
> p/py-ioc/), a library that I wrote to solve similar problems
>
> - Cosmin
>
> On Jan 22, 2008 3:59 PM, Massimo Di Pierro  
> <mdipierro at cs.depaul.edu> wrote:
> Hello everybody,
>
> I was hoping you could help me.
>
> Say I have a module called test
>
> test/
>    __init__.py
>    other.py
>
> and __init__.py says
>
>    from test.other import something
>
> so that I can
>
>    from test import something
>
> Now I do not want to install the module but I want to place it under
> a folder called contrib:
>
> contrib/
>    test/
>       __init__.py
>       other.py
>
> and I want to be able to say
>
>   from contrib.test import something
>
> Now __init__ fails to find test.other because that's  
> contrib.test.other.
>
> Two natural solutions are:
> 1) edit __init__.py and replace test.other with write
> contrib.test.other. This is not acceptable for me since I do not want
> to maintain the test module.
> 2) add contrib to the path. This is also not acceptable because
> creates countless problems with py2exe and py2app. I have many
> modules and files with similar issues.
>
> Does anybody know of a third solution?
>
> Massimo
>
> P.S. No need to say this has something to do with www.web2py.com
> _______________________________________________
> Chicago mailing list
> Chicago at python.org
> http://mail.python.org/mailman/listinfo/chicago
>
>
>
> -- 
> Cosmin Stejerean
> http://blog.offbytwo.com<ATT00001.txt>

-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://mail.python.org/pipermail/chicago/attachments/20080122/1c491d96/attachment.htm