[lxml-dev] Validation against an external DTD

[Lee Brown]

Greetings!

I do not know if lxml can load a DTD from an external file.  And the docinfo
attributes on the etree instance are read-only, so there's no help there.

As a workaround, though, you might be able to prepend a DOCTYPE string to the
beginning of the file before you parse it.

-----Original Message-----
From: lxml-dev-bounces at codespeak.net [mailto:lxml-dev-bounces at codespeak.net] On
Behalf Of Michael Guntsche
Sent: Tuesday, February 06, 2007 4:21 PM
To: lxml-dev at codespeak.net
Subject: Re: [lxml-dev] Validation against an external DTD

On Feb 6, 2007, at 9:52 PM, Lee Brown wrote:


>
> class XMLParser(_BaseParser)
>  |  The XML parser.  Parsers can be supplied as additional argument to  
> |  various parse functions of the lxml API.  A default parser is 
> always  |  available and can be replaced by a call to the global 
> function  |  'set_default_parser'.  New parsers can be created at any 
> time without a  |  major run-time overhead.

I had a look at this as well, but I do not understand, how I specify the DTD
that should be used for validation. I unterstand that the Parser validates
against a DTD if it is specified in the XML file and found by the parser during
execution. But in my case I need something like this

PyXML example:

dtd = xmldtd.load_dtd("my dtd file")
parser = xmlproc.XMLProcessor()
parser.set_application(xmlval.ValidationApp(dtd, parser)) ....
parser.parse_file("my xml file that needs to be validated")


Kind regards,
Michael


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