mirror of
https://github.com/python/cpython.git
synced 2024-11-28 04:15:11 +08:00
3176b08874
in the function table. Add a docstring for the function as well, since examples should show good form.
66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
/* Example of embedding Python in another program */
|
|
|
|
#include "Python.h"
|
|
|
|
void initxyzzy(void); /* Forward */
|
|
|
|
main(int argc, char **argv)
|
|
{
|
|
/* Pass argv[0] to the Python interpreter */
|
|
Py_SetProgramName(argv[0]);
|
|
|
|
/* Initialize the Python interpreter. Required. */
|
|
Py_Initialize();
|
|
|
|
/* Add a static module */
|
|
initxyzzy();
|
|
|
|
/* Define sys.argv. It is up to the application if you
|
|
want this; you can also let it undefined (since the Python
|
|
code is generally not a main program it has no business
|
|
touching sys.argv...) */
|
|
PySys_SetArgv(argc, argv);
|
|
|
|
/* Do some application specific code */
|
|
printf("Hello, brave new world\n\n");
|
|
|
|
/* Execute some Python statements (in module __main__) */
|
|
PyRun_SimpleString("import sys\n");
|
|
PyRun_SimpleString("print sys.builtin_module_names\n");
|
|
PyRun_SimpleString("print sys.modules.keys()\n");
|
|
PyRun_SimpleString("print sys.executable\n");
|
|
PyRun_SimpleString("print sys.argv\n");
|
|
|
|
/* Note that you can call any public function of the Python
|
|
interpreter here, e.g. call_object(). */
|
|
|
|
/* Some more application specific code */
|
|
printf("\nGoodbye, cruel world\n");
|
|
|
|
/* Exit, cleaning up the interpreter */
|
|
Py_Exit(0);
|
|
/*NOTREACHED*/
|
|
}
|
|
|
|
/* A static module */
|
|
|
|
/* 'self' is not used */
|
|
static PyObject *
|
|
xyzzy_foo(PyObject *self, PyObject* args)
|
|
{
|
|
return PyInt_FromLong(42L);
|
|
}
|
|
|
|
static PyMethodDef xyzzy_methods[] = {
|
|
{"foo", xyzzy_foo, METH_NOARGS,
|
|
"Return the meaning of everything."},
|
|
{NULL, NULL} /* sentinel */
|
|
};
|
|
|
|
void
|
|
initxyzzy(void)
|
|
{
|
|
PyImport_AddModule("xyzzy");
|
|
Py_InitModule("xyzzy", xyzzy_methods);
|
|
}
|