[Python-Dev] Dynamic module namspaces

[Johan Dahlin]

James Y Knight wrote:
> 
> On Jul 15, 2006, at 2:38 PM, Johan Dahlin wrote:
>> What I want to ask, is it possible to have a sanctioned way to implement
>> a dynamic module/namespace in python?
>>
>> For instance, it could be implemented to allow you to replace the
>> __dict__ attribute in a module with a user provided object which
>> implements the dictionary protocol.
> 
> I'd like this, as well, although my use case is different: I'd like to
> be able to deprecate attributes in a module. That is, if I have:
> 
> foo.py:
> SOME_CONSTANT = 5
> 
> I'd like to be able to do something such that any time anyone accessed
> foo.SOME_CONSTANT, it'd emit a DeprecationWarning.

Agreed, this would be another nice feature to have.

I've did something similar a time ago for PyGTK aswell, while less elegant
than your proposed solution, it seems that it's working fairly well:

DeprecatedConstant can be found here:
http://cvs.gnome.org/viewcvs/pygtk/gtk/deprecation.py?view=markup

-- 
Johan Dahlin <jdahlin at async.com.br>
Async Open Source