[Python-Dev] ImportWarning flood

[Ralf W. Grosse-Kunstleve]

--- "Martin v. L�wis" <martin at v.loewis.de> wrote:

> The specific question was
> 
> "Is there a way to set the warning options via an environment variable?"
> 
> This has nothing to do with beta1; the warnings module was introduced
> many releases ago, along with all the mechanics to disable warnings.

Due to the new ImportWarning first introduced in 2.5b1 the question of
disabling warnings is becoming much more pressing (I am assuming that I am not
again the only person on the planet to have this problem).

> I guess you misunderstood.

Yes.

> I propose you put warnings.simplefilter()
> into your code. The warnings was introduced before 2.2.1 IIRC, so this
> should work on all releases you want to support (but have no effect on
> installations where the warning isn't generated).

Where would I put the warnings.simplefilter()? I have hundreds of scripts and
__init__.py files.

I just came accross this situation (simplified):

  % cd boost/boost
  % python2.5
  >>> import math
  __main__:1: ImportWarning: Not importing directory 'math': missing
__init__.py

This is because there is a subdirectory math in boost/boost, something that I
cannot change.
The PYTHONPATH is not set at all in this case.
I.e. I get the ImportWarning just because my current working directory happens
to contain a subdirectory which matches one of the Python modules in the
standard library. Isn't this going to cause widespread problems?


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