[Python-Dev] Should standard library modules optimize for CPython?

[Stefan Behnel]

Maciej Fijalkowski, 02.06.2014 10:48:
> On Mon, Jun 2, 2014 at 10:43 AM, Victor Stinner wrote:
>> 2014-06-01 10:11 GMT+02:00 Steven D'Aprano <steve at pearwood.info>:
>>> My feeling is that the CPython standard library should be written for
>>> CPython,
>>
>> Right. PyPy, Jython and IronPython already have their "own" standard
>> library when they need a different implement.
>>
>> PyPy: "lib_pypy" directory (lib-python is the CPython stdlib):
>> https://bitbucket.org/pypy/pypy/src/ac52eb7bbbb059d0b8d001a2103774917cf7396f/lib_pypy/?at=default
> 
> it's for stuff that's in CPython implemented in C, not a
> reimplementation of python stuff. we patched the most obvious
> CPython-specific hacks, but it's a loosing battle, you guys will go
> way out of your way to squeeze extra 2% by doing very obscure hacks.

Thus my proposal to compile the modules in CPython with Cython, rather than
duplicating their code or making/keeping them CPython specific. I think
reducing the urge to reimplement something in C is a good thing.

Stefan