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From: bob.wang <wangja@yeahcity.cn>
To: <python-list@python.org>
Subject: PyImport_ImportModule bug in 3.1.2
Date: Wed, 27 Jul 2011 17:46:16 +0800
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Xref: x330-a1.tempe.blueboxinc.net comp.lang.python:10380

Hi:
	My Python version is 3.1.2.
	I am programming embedding c with python in windows.
	When I imported urllib.request  in my test py file,
PyImport_ImportModule always return NULL.
	But I imported re or cmd ,they work fine.
	I found urllib is folder, and request seems to be submodule.
	I don't know how to import it. I confirmed myutil.py and application
are in same folder.
	Could you give me some advice?
	Thank you.

myutil.py

import sys
import urllib.request 


CRLF = '\r\n'

def addValue(oper1,oper2):
      return (oper1 + oper2);


def ConnectURL(url):
      try:
            req = urllib.request.urlopen(url)
            response = req.read()
            req.close()
            return (req.getcode(),req.geturl())     
            
      except BaseException as exp:            
            sys.stdout.write(exp)     


native code:



int APIENTRY _tWinMain(HINSTANCE hInstance,
					   HINSTANCE hPrevInstance,
					   LPTSTR    lpCmdLine,
					   int       nCmdShow)
{
	PyObject* pPyUtil	= NULL;
	PyObject* pPypfn	= NULL;
	PyObject* pPyArgs	= NULL;
	PyObject* pPyRet	= NULL;
	int		nRet		= 0;
	int		nValue		= 0;

		
	Py_Initialize();
	PyImport_ImportModule("sys");		// ok
PyImport_ImportModule("csv");		// ok
 
	PyImport_ImportModule("urllib");		// ok

	pPyUtil	= PyImport_ImportModule("myutil"); // failed , 
	if(pPyUtil != NULL)
	{
	
		Py_DECREF(pPyUtil);
	}
	Py_Finalize();



	return 0;
}