Edit File: demo.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 leave it undefined (since the Python code is generally not a main program it has no business touching sys.argv...) If the third argument is true, sys.path is modified to include either the directory containing the script named by argv[0], or the current working directory. This can be risky; if you run an application embedding Python in a directory controlled by someone else, attackers could put a Trojan-horse module in the directory (say, a file named os.py) that your application would then import and run. */ PySys_SetArgvEx(argc, argv, 0); /* 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); }
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