2012/2/14 Stefan Behnel <[email protected]> > 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 modules, which are interfaces to the openssl and expat libraries. And it does that by generating C code that calls the corresponding functions. See for example the code for SSLObject.write(): https://bitbucket.org/pypy/pypy/src/default/pypy/module/_ssl/interp_ssl.py#cl-157 it calls the C function SSL_write(), which is declared like this: https://bitbucket.org/pypy/pypy/src/default/pypy/rlib/ropenssl.py#cl-255 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. A C API is not the only way to interface with C libraries. -- Amaury Forgeot d'Arc
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