Parsing SGML document in Python program
ishambat at aol.com
Mon Oct 21 21:41:27 CEST 2002
Eric Brunel <eric.brunel at pragmadev.com> wrote in message news:<aojvaj$348$1 at news-reader10.wanadoo.fr>...
> Ilya Shambat wrote:
> > Hello all,
> > I need to be able to parse an SGML document in a Python program. I
> > need to know the syntax on how to do that. The project involves using
> > a DTD, passed as a command line argument, to read all the SGML files
> > that exist in a directory. Does anybody know how this is done?
> There is a sgmllib module in the standard library, but it's not a full SGML
> parser. SGML has a lot of funky possibilities that are quite hard to parse
> and that were apparently not considered in the sgmllib module. I never used
> it, but as far as I can see from the docs, it doesn't use a DTD, so it's
> really not a SGML parser (XML seems to live well without a DTD, but doing
> so in SGML may be considered as heretic ;-). It may however be usable if
> your documents are really simple.
> I had once to do that and I couldn't find a parser directly usable in
> Python. Maybe it has changed (just check the Vaults of Parnassus for it).
> The solution I used at the time was to rely on an external parser that gave
> easy to parse results. The one I used was nsgmls, part of James Clark's SP
> project. You may find it @ http://www.jclark.com/sp/ ; just test it and
> you'll see that its output is really easy to get back into Python.
I have looked at the documentation for nsgmls, and I found it rather
inadequate. Is it possible for anyone to post an example of how this
is done? Any help on this would be greatly appreciated.
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