1 #include <Python.h>

     2 

     3 int

     4 main(int argc, char *argv[])

     5 {

     6     PyObject *pName, *pModule, *pDict, *pFunc;

     7     PyObject *pArgs, *pValue;

     8     int i;

     9 

    10     if (argc < 3) {

    11         fprintf(stderr,"Usage: call pythonfile funcname [args]\n");

    12         return 1;

    13     }

    14 

    15     Py_Initialize();

    16     pName = PyString_FromString(argv[1]);

    17     /* Error checking of pName left out */

    18 

    19     pModule = PyImport_Import(pName);

    20     Py_DECREF(pName);

    21 

    22     if (pModule != NULL) {

    23         pFunc = PyObject_GetAttrString(pModule, argv[2]);

    24         /* pFunc is a new reference */

    25 

    26         if (pFunc && PyCallable_Check(pFunc)) {

    27             pArgs = PyTuple_New(argc - 3);

    28             for (i = 0; i < argc - 3; ++i) {

    29                 pValue = PyInt_FromLong(atoi(argv[i + 3]));

    30                 if (!pValue) {

    31                     Py_DECREF(pArgs);

    32                     Py_DECREF(pModule);

    33                     fprintf(stderr, "Cannot convert argument\n");

    34                     return 1;

    35                 }

    36                 /* pValue reference stolen here: */

    37                 PyTuple_SetItem(pArgs, i, pValue);

    38             }

    39             pValue = PyObject_CallObject(pFunc, pArgs);

    40             Py_DECREF(pArgs);

    41             if (pValue != NULL) {

    42                 printf("Result of call: %ld\n", PyInt_AsLong(pValue));

    43                 Py_DECREF(pValue);

    44             }

    45             else {

    46                 Py_DECREF(pFunc);

    47                 Py_DECREF(pModule);

    48                 PyErr_Print();

    49                 fprintf(stderr,"Call failed\n");

    50                 return 1;

    51             }

    52         }

    53         else {

    54             if (PyErr_Occurred())

    55                 PyErr_Print();

    56             fprintf(stderr, "Cannot find function \"%s\"\n", argv[2]);

    57         }

    58         Py_XDECREF(pFunc);

    59         Py_DECREF(pModule);

    60     }

    61     else {

    62         PyErr_Print();

    63         fprintf(stderr, "Failed to load \"%s\"\n", argv[1]);

    64         return 1;

    65     }

    66     Py_Finalize();

    67     return 0;

    68 }