Mac/Demo/embed/demo.c

   1 /* Example of embedding Python in another program */
   2
   3 #include "Python.h"
   4 #include "macglue.h"
   5
   6 static char *argv0;
   7
   8 long my_writehandler(char *buf, long count)
   9 {
  10         long mycount;
  11         unsigned char mybuf[255];
  12
  13         mycount = count;
  14         if (mycount > 255 ) mycount = 255;
  15         mybuf[0] = (unsigned char)mycount;
  16         strncpy((char *)mybuf+1, buf, mycount);
  17         DebugStr(mybuf);
  18         return count;
  19 }
  20
  21 main(argc, argv)
  22         int argc;
  23         char **argv;
  24 {
  25         /* So the user can set argc/argv to something interesting */
  26         argc = ccommand(&argv);
  27         /* Save a copy of argv0 */
  28         argv0 = argv[0];
  29
  30         /* If the first option is "-q" we don't open a console */
  31         if ( argc > 1 && strcmp(argv[1], "-q") == 0 ) {
  32                 PyMac_SetConsoleHandler(PyMac_DummyReadHandler, PyMac_DummyWriteHandler,
  33                         PyMac_DummyWriteHandler);
  34         } else
  35         if ( argc > 1 && strcmp(argv[1], "-d") == 0 )  {
  36                 PyMac_SetConsoleHandler(PyMac_DummyReadHandler, my_writehandler,
  37                         my_writehandler);
  38         }
  39         /* Initialize the Python interpreter.  Required. */
  40         PyMac_Initialize();
  41
  42         /* Define sys.argv.  It is up to the application if you
  43            want this; you can also let it undefined (since the Python
  44            code is generally not a main program it has no business
  45            touching sys.argv...) */
  46         PySys_SetArgv(argc, argv);
  47
  48         /* Do some application specific code */
  49         printf("Hello, brave new world\n\n");
  50
  51         /* Execute some Python statements (in module __main__) */
  52         PyRun_SimpleString("import sys\n");
  53         PyRun_SimpleString("print sys.builtin_module_names\n");
  54         PyRun_SimpleString("print sys.argv\n");
  55
  56         /* Note that you can call any public function of the Python
  57            interpreter here, e.g. call_object(). */
  58
  59         /* Some more application specific code */
  60         printf("\nGoodbye, cruel world\n");
  61         /* Exit, cleaning up the interpreter */
  62         Py_Exit(0);
  63         /*NOTREACHED*/
  64 }
  65
  66 /* This function is called by the interpreter to get its own name */
  67 char *
  68 getprogramname()
  69 {
  70         return argv0;
  71 }