Re: [xml] Aborting html sax parsing from python

[Daniel Veillard <veillard redhat com>]

On Thu, Oct 27, 2005 at 10:59:33AM -0400, Stefan Seefeld wrote:
> Daniel Veillard wrote:
> > On Thu, Oct 27, 2005 at 02:54:37PM +0200, Cesar Ortiz wrote:
> >
> > > Hi all,
> > >
> > > I am trying to use the python bindings of libxml in order to parse html 
> > > with
> > > SAX.
> > > I would like to be able to stop the parsing of a document from a 
> > > callback. I
> > > have tried to do it but the parser complains.
> > > How I could do that?
> >
> >
> >  the routine at the C level is
> >
> > void
> > xmlStopParser(xmlParserCtxtPtr ctxt);
>
> We had a discussion some months ago concerning handling of python exceptions
> raised in callbacks. The idea was to pass exceptions through the C layer
> such that they could be caught at (python) application level.
>
> Is this now supported ? That might be the simplest way to achieve what the 
> OP
> wants without the need to touch any low-level API.

  ECANTWORK (unless I misunderstand the proposal)
  you would leak all the structures allocated in the C layers between
the point getting the exception and the point raising it, and since it's
likely to include a call to reading than means an really large leak

Daniel

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