1 files changed, 74 insertions, 0 deletions
diff --git a/Demo/embed/demo.c b/Demo/embed/demo.c
new file mode 100644
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+++ b/Demo/embed/demo.c
@@ -0,0 +1,74 @@
+/* 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);
+}