/* -*- Mode: C; indent-tabs-mode: nil; c-basic-offset: 4 c-style: "K&R" -*- */
/* 
  This file is adapted from the mechanism used in JEP. 
  and shows the subinterpreter/thread problem

  If the Py_NewInterpreter() is commented out the program runs without error.

  Running under 2.3.4 we see:

  2.3.4 (#53, May 25 2004, 21:17:02) [MSC v.1200 32 bit (Intel)]
  Creating file from main thread...
  Done
  Creating file from sub thread...
  Done


  Running unser 2.3.5 we see:
  2.3.5 (#62, Feb  8 2005, 16:23:02) [MSC v.1200 32 bit (Intel)]
  Creating file from main thread...
  Done
  Creating file from sub thread...
  Exception in thread Thread-1:Traceback (most recent call last):
    File "C:\Python23\Lib\threading.py", line 442, in __bootstrap
    File "<string>", line 3, in run
  IOError: file() constructor not accessible in restricted mode
  Done

   *****************************************************************************
*/ 	

#ifdef WIN32
# include "winconfig.h"
#endif

#if HAVE_CONFIG_H
# include <config.h>
#endif

#if HAVE_UNISTD_H
# include <sys/types.h>
# include <unistd.h>
#endif

#if STDC_HEADERS
# include <stdio.h>
#endif

#include <Python.h>

int
main(int argc, char *argv[])
{
  Py_Initialize();
  Py_NewInterpreter(); // Comment this out if you don't run in sub-interpreter

  PyRun_SimpleString("import sys");
  PyRun_SimpleString("print sys.version");			
  PyRun_SimpleString("import threading");
  PyRun_SimpleString("import thread");
			
  PyRun_SimpleString("class FileCreationThread(threading.Thread):\n\tdef run(self):\n\t\taFile = file('c:\\\\file2.txt','w')\n\t\taFile.write('Second file')\n");
			
  PyRun_SimpleString("def createFromThread():\n\tmyThread = FileCreationThread()\n\tmyThread.start()\n\tmyThread.join()\n\n");            		
  PyRun_SimpleString("print 'Creating file from main thread...'");
  PyRun_SimpleString("aFile = file('C:\\\\file1.txt','w')");
  PyRun_SimpleString("aFile.write('First file')");
  PyRun_SimpleString("print 'Done'");

  PyRun_SimpleString("print 'Creating file from sub thread...'");
  PyRun_SimpleString("createFromThread()");
  PyRun_SimpleString("print 'Done'");
  Py_Finalize();
  return 0;
}