[ python-Bugs-1294453 ] email.Parser.FeedParser leak

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Bugs item #1294453, was opened at 2005-09-18 12:46
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Category: Python Library
Group: Python 2.4
Status: Open
Resolution: None
Priority: 5
Submitted By: George Giannakopoulos (pckid)
Assigned to: Nobody/Anonymous (nobody)
Summary: email.Parser.FeedParser leak

Initial Comment:
It seems there is a reference cycle within the
FeedParser class.
I discovered it while implementing a mail
categorization app. It seems that the problem lies in
the line:
        self._parse = self._parsegen().next
of the FeedParser __init__ method.

The object cannot be deleted and I was forced to add
the line:
    self._parse = None
in the close() method of the class just before the
return call.

It seems it actually corrects the situation, BUT the
_parse method is no longer valid, and the object should
no longer be used.

If it makes any difference, the FeedParser was called
by a use of the Parser class:
    pParser = email.Parser.Parser()
    mMessage = pParser.parsestr(sMessageString)
    del pParser


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