I've been using ply with good results for some time now. http://systems.cs.uchicago.edu/ply/ Ted "Oleksandr Kozachuk" <Alex at DDeus.de> wrote in message news:slrnab19hf.23u.Alex at Tron.ddeus.lan... > Hi all! > > I need something, comparable to Yacc/Lex. Or something for > Context-Free-Grammar. Can any one recommend me anything? > > > Thanks, > Alex.