This is a "well-known" issue. Parts of the interpreter (and especially, extension modules) cheerfully stash objects in global variables with no way to clean them up. Fixing this is a large project, which probably involves implementing PEP 489.
On Wed, Jan 13, 2016, at 11:32, Matthew Paulson wrote: > 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 > > > -- > _______________________________________________ > Python-Dev mailing list > [email protected] > https://mail.python.org/mailman/listinfo/python-dev > Unsubscribe: > https://mail.python.org/mailman/options/python-dev/benjamin%40python.org > Email had 1 attachment: > + MattSig.JPG > 52k (image/jpeg) _______________________________________________ Python-Dev mailing list [email protected] https://mail.python.org/mailman/listinfo/python-dev Unsubscribe: https://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com