R. David Murray, 18.04.2011 14:30:
On Mon, 18 Apr 2011 09:36:20 +0100, Paul Moore wrote:
On 18 April 2011 08:05, Maciej Fijalkowski wrote:
On Sun, Apr 17, 2011 at 4:19 AM, Raymond Hettinger wrote:
The PEP seems to be predicated on a notion that anything written in C is
bad and that all testing is good.
Sounds about right
I disagree. To me, a Python without libraries such as os, zlib,
zipfile, threading, etc wouldn't be much use (except in specialised
circumstances). OK, that means that alternative implementations need
to do extra work to implement equivalents in their own low-level
language, but so be it (sorry!)
I think Maciej left out an "only" in that sentence. If you say "only C",
then the sentence makes sense, even when applied to modules that *can*
only be written in C (for CPython). That is, not having a Python version
is bad. Necessary in many cases (or not worth the cost, for external
library wrappers), but wouldn't it be nicer if it wasn't necessary?
FWIW, there is a proposed GSoC project that aims to implement a Cython
backend for PyPy, either using ctypes or PyPy's own FFI. That would
basically remove the need to write library wrappers in C for both CPython
and PyPy, and eventually for IronPython, which also has a Cython port in
the making. Not sure how Jython fits into this, but I wouldn't object to
someone writing a JNI backend either.
Stefan
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