extending python with a C-written dll

Grant Edwards grante at visi.com
Mon Dec 20 16:44:19 CET 2004


On 2004-12-20, Jean-Baptiste PERIN <jb_perin at yahoo.fr> wrote:

>>>I'm trying to make a windows dll reachable from a python script..
>> 
>> FWIW, you can call dll's using the ctypes modules without
>> mucking around in C.  There may be performance reasons to build
>> a "real" python module, but I haven't run across them yet.
>
> Not really a performance reason .. but mainly because I have a
> huge code produced in C and no time to port it in python ..
> Moreover .. I need the python program to interact with the C
> code ..(perfom calls to dll-defined functions)
>
> I don't know ctypes module .. do you really think it can help?

It lets you easily call functions in DLLs.

> Do you have a link to quickly learn about it ?

http://starship.python.net/crew/theller/ctypes/
http://starship.python.net/crew/theller/ctypes/tutorial.html

> The only thing I found is :
> http://www.python.org/workshops/1994-11/BuiltInClasses/BuiltInClasses_5.html

I think that is unrelated.

-- 
Grant Edwards                   grante             Yow!  I HAVE a towel.
                                  at               
                               visi.com            



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