Dome/to_html.py

   1 # Due to a shocking number of bugs and incompatibilities between PyXML and 4Suite,
   2 # this actually seems to be the easiest way to convert a XML document to HTML!
   3
   4 # (note: moved to XHTML now anyway)
   5 # Validates the output.
   6
   7 import sys
   8 from xml.dom.html import HTMLDocument
   9 from Ft.Xml.cDomlette import implementation
  10 from Ft.Xml.Xslt.Processor import Processor
  11 from Ft.Xml import InputSource
  12 doc = implementation.createDocument(None, 'root', None)
  13 proc = Processor()
  14 from cStringIO import StringIO
  15
  16 # The HTML writer adds some header fields, so strip any existing ones out or we'll get
  17 # two lots...
  18
  19 stream = StringIO('''
  20 <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
  21                               xmlns:h="http://www.w3.org/1999/xhtml">
  22 <xsl:output method="xml" encoding="utf-8"
  23         doctype-system="http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"
  24         doctype-public="-//W3C//DTD XHTML 1.0 Strict//EN"/>
  25
  26   <xsl:template match='/h:html/h:head/h:meta[@name="generator"]' priority='2'/>
  27   <xsl:template match='/h:html/h:head/h:meta[@http-equiv="Content-Type"]'/>
  28
  29   <xsl:template match='@*|node()'>
  30     <xsl:copy>
  31       <xsl:apply-templates select='@*'/>
  32       <xsl:apply-templates/>
  33     </xsl:copy>
  34   </xsl:template>
  35
  36   <xsl:template match='h:*'>
  37     <xsl:element name='{local-name(.)}' namespace='http://www.w3.org/1999/xhtml'>
  38       <xsl:apply-templates select='@*'/>
  39       <xsl:apply-templates/>
  40     </xsl:element>
  41   </xsl:template>
  42
  43 </xsl:stylesheet>
  44 ''')
  45 proc.appendStylesheet(InputSource.InputSource(stream))
  46
  47 def to_html(doc):
  48         import os, rox
  49         import traceback
  50         data = proc.runNode(doc, None, ignorePis = 1)
  51         cin, cout = os.popen4('xmllint --postvalid --noout -')
  52         cin.write(data)
  53         cin.close()
  54         results = cout.read()
  55         if results.strip():
  56                 rox.alert(results)
  57         return data