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Wed Jan 13 14:32:23 EST 2016 · http://mail.python.org/pipermail/python-dev/2016-January/142705.html

Hi:

I've spent some time performing memory leak analysis while using Python 
in an embedded configuration.

The pattern is:

    Py_Initialize();

    ... run empty python source file ...

    Py_Finalize();

I've identified several suspect areas including dictionary maitenace in 
import.c:~ 414

     /* Clear the modules dict. */
     PyDict_Clear(modules);
     /* Restore the original builtins dict, to ensure that any
        user data gets cleared. */
     dict = PyDict_Copy(interp->builtins);
     if (dict == NULL)
         PyErr_Clear();
     PyDict_Clear(interp->builtins);
     if (PyDict_Update(interp->builtins, interp->builtins_copy))
         PyErr_Clear();
     Py_XDECREF(dict);
     /* Clear module dict copies stored in the interpreter state */

Is there someone in the group that would like to discuss this topic.  
There seems to be other leaks as well.  I'm new to Python-dev, but 
willing to help or work with someone who is more familiar with these 
areas than I.

Thanks,

Matt

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[Python-Dev] Discussion related to memory leaks requested