1 /* Example of embedding Python in another program */

     2 

     3 #include "Python.h"

     4 

     5 void initxyzzy(void); /* Forward */

     6 

     7 main(int argc, char **argv)

     8 {

     9 	/* Pass argv[0] to the Python interpreter */

    10 	Py_SetProgramName(argv[0]);

    11 

    12 	/* Initialize the Python interpreter.  Required. */

    13 	Py_Initialize();

    14 

    15 	/* Add a static module */

    16 	initxyzzy();

    17 

    18 	/* Define sys.argv.  It is up to the application if you

    19 	   want this; you can also let it undefined (since the Python 

    20 	   code is generally not a main program it has no business

    21 	   touching sys.argv...) */

    22 	PySys_SetArgv(argc, argv);

    23 

    24 	/* Do some application specific code */

    25 	printf("Hello, brave new world\n\n");

    26 

    27 	/* Execute some Python statements (in module __main__) */

    28 	PyRun_SimpleString("import sys\n");

    29 	PyRun_SimpleString("print sys.builtin_module_names\n");

    30 	PyRun_SimpleString("print sys.modules.keys()\n");

    31 	PyRun_SimpleString("print sys.executable\n");

    32 	PyRun_SimpleString("print sys.argv\n");

    33 

    34 	/* Note that you can call any public function of the Python

    35 	   interpreter here, e.g. call_object(). */

    36 

    37 	/* Some more application specific code */

    38 	printf("\nGoodbye, cruel world\n");

    39 

    40 	/* Exit, cleaning up the interpreter */

    41 	Py_Exit(0);

    42 	/*NOTREACHED*/

    43 }

    44 

    45 /* A static module */

    46 

    47 /* 'self' is not used */

    48 static PyObject *

    49 xyzzy_foo(PyObject *self, PyObject* args)

    50 {

    51 	return PyInt_FromLong(42L);

    52 }

    53 

    54 static PyMethodDef xyzzy_methods[] = {

    55 	{"foo",		xyzzy_foo,	METH_NOARGS,

    56 	 "Return the meaning of everything."},

    57 	{NULL,		NULL}		/* sentinel */

    58 };

    59 

    60 void

    61 initxyzzy(void)

    62 {

    63 	PyImport_AddModule("xyzzy");

    64 	Py_InitModule("xyzzy", xyzzy_methods);

    65 }