[Python-Dev] Trickery with moving urllib

Brett C. bcannon at gmail.com
Sun May 11 19:50:01 CEST 2008




-Brett [from his iPod touch]

On 11-May-08, at 0:04, Fred Drake <fdrake at acm.org> wrote:

> On Sat, May 10, 2008 at 11:38 PM, Brett Cannon <brett at python.org>  
> wrote:
>> I see three solutions for dealing with this.
>>
>> 1. Have stubs for the entire urllib API in urllib.__init__ that raise
>> a DeprecationWarning either specifying the new name or saying the
>> function/class is deprecated.
>
> On May 11, 2008, at 2:58 AM, Alexandre Vassalotti wrote:
>> I am probably missing something, because I don't see how this  
>> solution
>> would solve the problem. The warning in urllib.__init__ will still be
>> issued when people will import urllib.fetch (or urllib.fetch).
>
>
> Were the warnings issued on import, yes, but I think Brett's  
> suggestion was really about issuing warnings when the stub functions  
> were called.  For classes, I guess this could be handled using the  
> __init__ methods, but I'm not sure I like that, or that it will be  
> easy to get exactly the right behavior in all cases.
>

Another option is to not worry about warnings in this specific case  
and fully rely on 2to3. The issue of urllib and splitting its API  
across 2 files stands, though. That could be solved with a urllib._old  
module for now that eventually gets a deprecation warning.




>
>  -Fred
>
> -- 
> Fred Drake   <fdrake at acm.org>
>
>
>
>


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