Das deutsche Python-Forum

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#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include "python2.7/Python.h"

int main()
{
	srand(time(NULL));
	int i;
	
	int a[5], b[5], c[5];
	
	for(i=0; i < 5; i++)
	{
		a[i] = rand() % 10+10;	//10-19
		b[i] = rand() % 5+5;	//5-9
		c[i] = rand() % 5;		//-4
		printf("%d  ", a[i]);
		printf("%d  ", b[i]);
		printf("%d\n", c[i]);
	}
	
	Py_Initialize();
	PyObject *modul, *funk, *ret, *zahl;
	
	PySys_SetPath(".");
	modul = PyImport_ImportModule("script2"); 
	
	if(modul)
	{
		funk = PyObject_GetAttrString(modul, "ausgabe");
		
		//Werte einzeln übergebn...
		zahl = Py_BuildValue("(iiiii iiiii iiiii)",a[0], a[1], a[2], a[3], a[4],
			   b[0], b[1], b[2], b[3], b[4],
			   c[0], c[1], c[2], c[3], c[4]);

		ret = PyObject_CallObject(funk, zahl);

		Py_DECREF(zahl);	
		Py_DECREF(ret);	
		Py_DECREF(funk);
		Py_DECREF(modul);			
	}
	else
		printf("Fehler: Modul nicht gefunden\n");
	
	return 0;
}

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def ausgabe(a0, a1, a2, a3, a4, b0, b1, b2, b3, b4, c0, c1, c2, c3, c4):
	print "a = [", a0, ", ", a1, ", ", a2,  ", ", a3,  ", ", a4, "]"
	print "b = [", b0, ", ", b1, ", ", b2,  ", ", b3,  ", ", b4, "]"
	print "c = [", c0, ", ", c1, ", ", c2,  ", ", c3,  ", ", c4, "]"

Code: Alles auswählen

#include "Python.h"
#include <stdint.h>

#define N   5
#define LIST_COUNT  3

/* Return value: new reference */
PyObject* create_list_from_array(int *array, size_t length)
{
    size_t i;
    PyObject *result = NULL, *value = NULL;

    result = PyList_New(length);
    if (result) {
        for (i = 0; i < length; ++i) {
            value = PyInt_FromLong(array[i]);
            if (value) {
                PyList_SET_ITEM(result, i, value);
            } else {
                Py_CLEAR(result);
                break;
            }
        }
    }
    return result;
}

int main(void)
{
    int i;
    int a[N], b[N], c[N];
    int *arrays[] = {a, b, c};
    PyObject *module = NULL;
    PyObject *lists[LIST_COUNT], *args = NULL, *callable = NULL, *result = NULL;

    for (i = 0; i < LIST_COUNT; ++i) lists[i] = NULL;
    
    for (i = 0; i < N; ++i) {
        a[i] = i;
        b[i] = -i;
        c[i] = 10 * i;
    }
    
    Py_Initialize();

    /* XXX Bad idea.  Only modules built into the interpreter and from the
         current working directory can be used.  This even excludes most of
         the standard library. */
    PySys_SetPath(".");

    module = PyImport_ImportModule("test");
    if (!module) goto error;

    for (i = 0; i < LIST_COUNT; ++i) {
        lists[i] = create_list_from_array(arrays[i], N);
        if (!lists[i]) goto error;
    }

    args = Py_BuildValue("(SSS)", lists[0], lists[1], lists[2]);
    if (!args) goto error;

    callable = PyObject_GetAttrString(module, "ausgabe");
    if (!callable) goto error;

    result = PyObject_CallObject(callable, args);
    if (!result) goto error;

error:
    if (PyErr_Occurred()) PyErr_Print();

    Py_XDECREF(result);
    Py_XDECREF(callable);
    Py_XDECREF(args);
    Py_XDECREF(module);

    Py_Finalize();

    return 0;
}

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def ausgabe(a, b, c):
    print 'a =', a
    print 'b =', b
    print 'c =', c

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PySys_SetPath(".");

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	PyObject *sys = PyImport_ImportModule("sys");
	PyObject *path = PyObject_GetAttrString(sys, "path");
	PyList_Append(path, PyString_FromString("."));

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	PyObject *sys = PyImport_ImportModule("sys");
	PyObject *path = PyObject_GetAttrString(sys, "path");
	PyList_Reverse(path);
	PyList_Append(path, PyString_FromString("."));
 	PyList_Reverse(path);

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int insert_current_dir_into_sys_path(void)
{
    int result = -1;
    PyObject *sys_path, *current_dir;

    if ((sys_path = PySys_GetObject("path"))) {
        if ((current_dir = PyString_FromString("."))) {
            result = PyList_Insert(sys_path, 0, current_dir);
            Py_DECREF(current_dir);
        }
    }
    return result;
}