David Beazley has written up a pure-python Lex/YACC module
called... [Python Lex/YACC][PLY] (or PLY). If you haven't worked with
YACC-type parsers before, you might want to look at my [[implicit
multiplication notes|yacc2dot]].

[PLY]: http://www.dabeaz.com/ply/

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[[!tag tags/python]]
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