diff --git a/writerfilter/CustomTarget_source.mk b/writerfilter/CustomTarget_source.mk
index a791bfa42d64..384d4fab4dde 100644
--- a/writerfilter/CustomTarget_source.mk
+++ b/writerfilter/CustomTarget_source.mk
@@ -78,7 +78,7 @@ writerfilter_SRC_ooxml_Model=$(writerfilter_SRC)/ooxml/model.xml
 writerfilter_SRC_ooxml_NamespaceIds_xsl=$(writerfilter_SRC)/ooxml/namespaceids.xsl
 writerfilter_SRC_ooxml_Preprocess_py=$(writerfilter_SRC)/ooxml/modelpreprocess.py
 writerfilter_SRC_ooxml_QNameToStr_xsl=$(writerfilter_SRC)/ooxml/qnametostr.xsl
-writerfilter_SRC_ooxml_ResourceIds_xsl=$(writerfilter_SRC)/ooxml/resourceids.xsl
+writerfilter_SRC_ooxml_ResourceIds_py=$(writerfilter_SRC)/ooxml/resourceids.py
 
 $(writerfilter_GEN_ooxml_Factory_cxx) : $(writerfilter_SRC)/ooxml/factoryimpl.xsl $(writerfilter_GEN_ooxml_Model_processed)
 	$(call gb_Output_announce,$(subst $(WORKDIR)/,,$@),build,XSL,1)
@@ -113,9 +113,9 @@ $(writerfilter_GEN_ooxml_QNameToStr_cxx): $(writerfilter_SRC_ooxml_QNameToStr_xs
 	$(call gb_Output_announce,$(subst $(WORKDIR)/,,$@),build,XSL,1)
 	$(call gb_Helper_abbreviate_dirs, $(writerfilter_XSLTCOMMAND) $(writerfilter_SRC_ooxml_QNameToStr_xsl) $(writerfilter_GEN_ooxml_Model_processed)) > $@
 
-$(writerfilter_GEN_ooxml_ResourceIds_hxx) : $(writerfilter_SRC_ooxml_ResourceIds_xsl) $(writerfilter_GEN_ooxml_Model_processed) | $(writerfilter_WORK)/ooxml/.dir
-	$(call gb_Output_announce,$(subst $(WORKDIR)/,,$@),build,XSL,1)
-	$(call gb_Helper_abbreviate_dirs, $(writerfilter_XSLTCOMMAND) $(writerfilter_SRC_ooxml_ResourceIds_xsl) $(writerfilter_GEN_ooxml_Model_processed)) > $@
+$(writerfilter_GEN_ooxml_ResourceIds_hxx) : $(writerfilter_SRC_ooxml_ResourceIds_py) $(writerfilter_GEN_ooxml_Model_processed) | $(writerfilter_WORK)/ooxml/.dir
+	$(call gb_Output_announce,$(subst $(WORKDIR)/,,$@),build,PY ,1)
+	$(call gb_Helper_abbreviate_dirs, $(writerfilter_PYTHONCOMMAND) $(writerfilter_SRC_ooxml_ResourceIds_py) $(writerfilter_GEN_ooxml_Model_processed)) > $@
 
 $(writerfilter_GEN_ooxml_Token_xml) : $(SRCDIR)/oox/source/token/tokens.txt $(writerfilter_SRC)/ooxml/tokens-to-xml.sed | $(writerfilter_WORK)/.dir
 	$(call gb_Output_announce,$(subst $(WORKDIR)/,,$@),build,CAT,1)
diff --git a/writerfilter/source/ooxml/resourceids.py b/writerfilter/source/ooxml/resourceids.py
new file mode 100644
index 000000000000..c612e77efb2b
--- /dev/null
+++ b/writerfilter/source/ooxml/resourceids.py
@@ -0,0 +1,60 @@
+#!/usr/bin/env python
+#
+# This file is part of the LibreOffice project.
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+#
+
+from __future__ import print_function
+import xml.sax
+import sys
+
+
+class ContentHandler(xml.sax.handler.ContentHandler):
+    def __init__(self):
+        self.tokens = []
+        self.counter = 90001
+
+    def startDocument(self):
+        print("""
+/*
+
+    THIS FILE IS GENERATED AUTOMATICALLY! DO NOT EDIT!
+
+*/
+
+
+#ifndef INCLUDED_OOXML_RESOURCEIDS_HXX
+#define INCLUDED_OOXML_RESOURCEIDS_HXX
+
+#include <resourcemodel/WW8ResourceModel.hxx>
+
+namespace writerfilter {
+
+namespace NS_ooxml
+{""")
+
+    def endDocument(self):
+        print("""}
+
+
+}
+#endif // INCLUDED_OOXML_RESOURCEIDS_HXX""")
+
+    def startElement(self, name, attrs):
+        for k, v in attrs.items():
+            if k in ("tokenid", "sendtokenid"):
+                if v.startswith("ooxml:"):
+                    token = v.replace('ooxml:', '')
+                    if token not in self.tokens:
+                        print("    const Id LN_%s = %s;" % (token, self.counter))
+                        self.tokens.append(token)
+                self.counter += 1
+
+parser = xml.sax.make_parser()
+parser.setContentHandler(ContentHandler())
+parser.parse(sys.argv[1])
+
+# vim:set shiftwidth=4 softtabstop=4 expandtab:
diff --git a/writerfilter/source/ooxml/resourceids.xsl b/writerfilter/source/ooxml/resourceids.xsl
deleted file mode 100644
index ca5e87a19a73..000000000000
--- a/writerfilter/source/ooxml/resourceids.xsl
+++ /dev/null
@@ -1,93 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
- * This file is part of the LibreOffice project.
- *
- * This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
- *
- * This file incorporates work covered by the following license notice:
- *
- *   Licensed to the Apache Software Foundation (ASF) under one or more
- *   contributor license agreements. See the NOTICE file distributed
- *   with this work for additional information regarding copyright
- *   ownership. The ASF licenses this file to you under the Apache
- *   License, Version 2.0 (the "License"); you may not use this file
- *   except in compliance with the License. You may obtain a copy of
- *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
--->
-<xsl:stylesheet 
-    version="1.0" 
-    xmlns:xsl="http://www.w3.org/1999/XSL/Transform" 
-    xmlns:office="urn:oasis:names:tc:opendocument:xmlns:office:1.0" 
-    xmlns:style="urn:oasis:names:tc:opendocument:xmlns:style:1.0" 
-    xmlns:text="urn:oasis:names:tc:opendocument:xmlns:text:1.0" 
-    xmlns:table="urn:oasis:names:tc:opendocument:xmlns:table:1.0" 
-    xmlns:draw="urn:oasis:names:tc:opendocument:xmlns:drawing:1.0" 
-    xmlns:fo="urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0" 
-    xmlns:xlink="http://www.w3.org/1999/xlink" 
-    xmlns:dc="http://purl.org/dc/elements/1.1/" 
-    xmlns:meta="urn:oasis:names:tc:opendocument:xmlns:meta:1.0" 
-    xmlns:number="urn:oasis:names:tc:opendocument:xmlns:datastyle:1.0" 
-    xmlns:svg="urn:oasis:names:tc:opendocument:xmlns:svg-compatible:1.0" 
-    xmlns:chart="urn:oasis:names:tc:opendocument:xmlns:chart:1.0" 
-    xmlns:dr3d="urn:oasis:names:tc:opendocument:xmlns:dr3d:1.0" 
-    xmlns:math="http://www.w3.org/1998/Math/MathML" 
-    xmlns:form="urn:oasis:names:tc:opendocument:xmlns:form:1.0" 
-    xmlns:script="urn:oasis:names:tc:opendocument:xmlns:script:1.0" 
-    xmlns:config="urn:oasis:names:tc:opendocument:xmlns:config:1.0" 
-    xmlns:ooo="http://openoffice.org/2004/office" 
-    xmlns:ooow="http://openoffice.org/2004/writer" 
-    xmlns:oooc="http://openoffice.org/2004/calc" 
-    xmlns:dom="http://www.w3.org/2001/xml-events" 
-    xmlns:xforms="http://www.w3.org/2002/xforms" 
-    xmlns:xsd="http://www.w3.org/2001/XMLSchema" 
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
-    xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"  
-    xmlns:rng="http://relaxng.org/ns/structure/1.0"
-    xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" 
-    xmlns:xalan="http://xml.apache.org/xalan"
-    xmlns:UML = 'org.omg.xmi.namespace.UML' 
-    exclude-result-prefixes = "xalan"
-    xml:space="default">
-  <xsl:output method="text" />
-
-  <xsl:include href="factorytools.xsl"/>
-
-  <!--
-      Generates contant definitions for tokenids.
-  -->
-  <xsl:template name="defineooxmlids">
-    <xsl:text>
-namespace NS_ooxml
-{</xsl:text>
-<xsl:for-each select="//@tokenid|//@sendtokenid">
-  <xsl:if test="contains(., 'ooxml:') and generate-id(.) = generate-id(key('tokenids', .)[1])">
-    <xsl:text>
-    const Id LN_</xsl:text>
-    <xsl:value-of select="substring-after(., 'ooxml:')"/>
-    <xsl:text> = </xsl:text>
-    <xsl:value-of select="90000 + position()"/>
-    <xsl:text>;</xsl:text>
-  </xsl:if>
-</xsl:for-each>
-}
-  </xsl:template>
-
-  <xsl:template match="/">
-    <out>
-       <xsl:call-template name="licenseheader"/>
-      <xsl:text>
-#ifndef INCLUDED_OOXML_RESOURCEIDS_HXX
-#define INCLUDED_OOXML_RESOURCEIDS_HXX
-
-#include &lt;resourcemodel/WW8ResourceModel.hxx&gt;
-
-namespace writerfilter {
-      </xsl:text>
-    <xsl:call-template name="defineooxmlids"/>
-    <xsl:text>
-
-}
-#endif // INCLUDED_OOXML_RESOURCEIDS_HXX&#xa;</xsl:text></out></xsl:template>
-</xsl:stylesheet>
\ No newline at end of file