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1. pythonµÄCÓïÑÔÀ©Õ¹
1.1 TestCLib.c: ÌṩpythonµÄÄ£¿é½Ó¿Ú
#include "Python.h"
#include <stdlib.h>
#include <stdio.h>
long fac(long);
// ------------------------------------------------------
// Make C code usable in Python
// ------------------------------------------------------
PyObject* TestCLib_fac(PyObject * self, PyObject *args)
{
long num;
if ( ! PyArg_ParseTuple(args,"l",&num)){
return NULL;
}
return (PyObject*)Py_BuildValue("l",fac(num));
}
static PyMethodDef TestCLibMethods[] = {
{"fac",TestCLib_fac,METH_VARARGS},
{NULL,NULL}
};
void initTestCLib()
{
Py_InitModule("TestCLib",TestCLibMethods);
}
1.2 test.c: ¾ßÌåµÄCÓïÑÔʵÏÖ
#include <stdlib.h>
#include <stdio.h>
// ------------------------------------------------------
// Pure C code
// ------------------------------------------------------
long fac(long n)
{
if ( n < 0){
return fac(-n);
} else if ( n < 2 ){
return 1;
} else {
return n * fac(n-1);
}
}
1.3 test.py: ²âÊԽű¾
#!/usr/bin/env python
import TestCLib as TestLib
for i in range(10,20) :
f1 = TestLib.fac(i)
print "%d! = %d"%(i,f1)
1.4 ±àÒëÓëÔËÐÐ
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gcc -fPIC -shared -o TestCLib.so TestCLib.c test.c -I /usr/local/python/include/python2.6/
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