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POPython LXML catalog lookup
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7228583
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7229470
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2011-08-29T09:54:14.937
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2011-08-30T09:04:25.727
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text
Body
I'm making an SCons file for building Docbook documentation. In order to trace dependencies I would like some way to resolve catalog file lookups to an absolute path to a file. So say I have a bit of Docbook XML : <pre><code><book xmlns="http://docbook.org/ns/docbook" xmlns:xi="http://www.w3.org/2001/XInclude"> <info> <title>Docbook example document</title> <xi:include href="file:///common/logo.xml" xpointer="logo"/> </info> <xi:include href="chap1/chap1.xml"/> <xi:include href="chap2/chap2.xml"/> <xi:include href="chap3/chap3.xml"/> <xi:include href="chap4/chap4.xml"/> </book> </code></pre> and a catalog.xml file : <pre><code><catalog xmlns="urn:oasis:names:tc:entity:xmlns:xml:catalog"> <rewriteURI uriStartString="file:///stylesheet/" rewritePrefix="file:///home/kst/svn/TOOLS/Docbook/stylesheet/" /> <rewriteURI uriStartString="file:///common/" rewritePrefix="file:///home/kst/svn/TOOLS/Docbook/common/" /> <nextCatalog catalog="/etc/xml/catalog" /> </catalog> </code></pre> Getting the xinclude href string is no problem using lxml but I'm stuck there. What I need is some way to get the absolute filename that file:///common/logo.xml resolves to (in this case /home/kst/svn/TOOLS/Docbook/common/logo.xml) from the catalog file. It needs to be some kind of Python code so I can use it in my SConstruct file without too much hassle. Any help is appreciated. 
Tags
<python><lxml><xmlcatalog>
Title
Python LXML catalog lookup
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1. PO
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1. PTQuestion
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1. USKevin Steffensen
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