[Tutor] How to make a python binding for a c library?

[Andreas Kostyrka]

Am Montag, den 12.05.2008, 23:31 -0700 schrieb Mark Tolonen:
> "tuyun" <twomol at hotmail.com> wrote in message 
> news:BAY108-W54DF95D77BED99541362E2CDCF0 at phx.gbl...
> > Hi
> > I have a library written in C, I want to make a python binding for it.
> > But I dont know how to get started.
> > Is there any guide or document?
> > Is "Python/C API Reference Manual" the right doc I need to study first?
> 
> Check out the ctypes library.  It comes with Python 2.5, but can be 
> installed for older versions.
> 
> Here's an example that calls the Win32 function Beep() from kernel32.dll:
> 
> import ctypes
> ctypes.windll.kernel32.Beep(440,1000)
> 
> This is a simplistic example that works for simple DLL functions that take 
> integers and return integers.  If your APIs deal with pointers and 
> read/write buffers it is somewhat more complicated, but still easier to 
> write your bindings in Python than using the Python C APIs.

Alternativly you might consider using something like cython.

Andreas

> 
> -Mark
> 
> 
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