[issue16853] add a Selector to the select module

[Guido van Rossum]

Guido van Rossum added the comment:

On Wed, Aug 21, 2013 at 2:37 AM, STINNER Victor <report at bugs.python.org>wrote:

>
> STINNER Victor added the comment:
>
> I like the idea of renaming select to _select, and add Lib/select.py
> for the high-level wrapper (Selector). In my opinion, adding a module
> just for 5 classes is overkill. Selector classes are a very thin
> abstraction over the low-level objects. A new module can be justified
> for something more evolved, something like an event loop with
> callbacks and a scheduler, something like the PEP 3156 (tulip) :-)
>

OK, I'm just going to impose my decision. I want a separate selectors.py.
The rename business feels unpleasant, *and* the interface abstraction level
is different.

> This issue is for code written in Python. Is it a similar issue for
> code written in C? internal_select_ex() of Modules/socketmodule.c and
> check_socket_and_wait_for_timeout() of Modules/_ssl.c uses poll() and
> select().
>

Let's leave those alone. AFAIK they are mostly to simulate timeouts in
*blocking* code.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue16853>
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