[Python-Dev] Why does httplib import from test_support?

[Brett Cannon]

On Mon, Aug 18, 2008 at 4:35 AM, Nick Coghlan <ncoghlan at gmail.com> wrote:
> skip at pobox.com wrote:
>> The import statement seems to work from an interactive shell (I have a
>> module named test in the same directory as the main prog, hence the
>> problem), but even if it does work should we be importing stuff from the
>> test package in non-test code?
>
> I saw those checkins go by on the checkins list - they have to do with
> silencing -3 warnings for modules that the stdlib still uses in Python
> 2.6 for backwards compatibility reasons (but switching to the relevant
> new approaches in 3.0, thus making the warnings a false alarm).
>

Nick is right and all of those checkins were mine.

> test.test_support.catch_warning is a convenient way to suppress a
> warning for a small piece of code and then revert the state of the
> warnings module back to the way it was afterwards.
>

Yep.

> Those imports should probably be guarded with sys.py3kwarn though, with
> a standard import being used if the command line flag isn't set.

That's probably a good idea.

-Brett