On Mon, Dec 27, 2010 at 8:57 AM, Victor Stinner
<victor.stin...@haypocalc.com> wrote:
> Le dimanche 26 décembre 2010 à 14:10 +0000, exar...@twistedmatrix.com a
> écrit :
>> On 25 Dec, 10:31 pm, mer...@netwok.org wrote:
>> >>faulthandler is a module: enable the handler is simple as "import
>> >>faulthandler".
>> >
>> >That sounds like a source of unwanted behavior (aka problems) if the
>> >handler is enabled by  1Cpydoc faulthandler 1D or by a pkgutil walk.  You
>> >may want to consider using a function to enable the functionality (and
>> >add one to disable it).
>>
>> Enormous +1.
>
> I don't know pkgutil. How does it work? In which case would it load the
> faulthandler module?
>
> faulthandler is currently only written in C.

pkgutil includes a function that lets you walk the entire module
heirarchy, implicitly importing everything, including all the builtin
modules. It's one of the reasons doing things as side-effects of
import is considered highly undesirable.

The pydoc tests do this when they bring the (docstring-based)
documentation server up to check its handling of HTTP requests. (we
recently picked up an implicit addition of a logging handler by
concurrent.futures due to this effect).

Cheers,
Nick.

-- 
Nick Coghlan   |   ncogh...@gmail.com   |   Brisbane, Australia
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