[pypy-dev] offtopic, ontopic, ...
fijall at gmail.com
Tue Feb 14 19:00:20 CET 2012
On Tue, Feb 14, 2012 at 7:56 PM, Stefan Behnel <stefan_ml at behnel.de> wrote:
> Amaury Forgeot d'Arc, 14.02.2012 18:45:
>> 2012/2/14 Stefan Behnel
>>> if PyPy can't come up with a fast way to
>>> interface with C code, it's bound to die.
>> But it certainly can! For example PyPy implements the _ssl and pyexpat
>> which are interfaces to the openssl and expat libraries.
>> And it does that by generating C code that calls the corresponding
>> See for example the code for SSLObject.write():
>> it calls the C function SSL_write(), which is declared like this:
>> This kind of code is not difficult to write (in this case, it's a simple
>> translation of
>> CPython modules) and is close enough to C when you really need it.
>> For example, it's possible to use macros when they look like function calls,
>> or embed C snippets.
> Ok, then I take it that this would be the preferred Python+FFI approach for
> interfacing, right? ctypes is out of the loop?
Ideally it would be a better FFI than ctypes in my opinion.
More information about the pypy-dev