Use XSL stylesheet if available when OOoTemplate creation. You need to install...

Use XSL stylesheet if available when OOoTemplate creation. You need to install libxml2 and libxslt python wrapping library

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@18611 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5OOo/OOoTemplate.py

@@ -184,7 +184,12 @@ class OOoTemplate(ZopePageTemplate):
         memory_file.seek(0)
         self.OLE_documents_zipstring = memory_file.read()
       self.content_type = builder.getMimeType()
-      file = builder.prepareContentXml()
+      #get XSL stylesheet from portal_skins
+      xsl_dtml = getattr(self, 'ERP5OOoTemplate_ooo2zpt', None)
+      xsl_content = None
+      if xsl_dtml is not None:
+        xsl_content = xsl_dtml()
+      file = builder.prepareContentXml(xsl_content)
 
     return ZopePageTemplate.pt_upload(self, REQUEST, file)
 

product/ERP5OOo/OOoUtils.py

@@ -134,19 +134,38 @@ class OOoBuilder(Implicit):
   def getMimeType(self):
     return self.extract('mimetype')
 
-  def prepareContentXml(self) :
+  def prepareContentXml(self, xsl_content=None):
     """
       extracts content.xml text and prepare it :
         - add tal namespace
         - indent the xml
     """
-    import pprint
     content_xml = self.extract('content.xml')
+    output = StringIO()
+    try:
+      import libxml2
+      import libxslt
+      if xsl_content is None:
+        raise ImportError
+      stylesheet_doc = libxml2.parseDoc(xsl_content)
+      stylesheet = libxslt.parseStylesheetDoc(stylesheet_doc)
+      content_doc = libxml2.parseDoc(content_xml)
+      result_doc = stylesheet.applyStylesheet(content_doc, None)
+      buff = libxml2.createOutputBuffer(output, 'utf-8')
+      result_doc.saveFormatFileTo(buff, 'utf-8', 1)
+      stylesheet_doc.freeDoc(); content_doc.freeDoc(); result_doc.freeDoc()
+      return output.getvalue().replace(
+        'office:version="1.0">',
+        """ xmlns:tal="http://xml.zope.org/namespaces/tal"
+            xmlns:i18n="http://xml.zope.org/namespaces/i18n"
+            xmlns:metal="http://xml.zope.org/namespaces/metal"
+            tal:attributes="dummy python:request.RESPONSE.setHeader('Content-Type', 'text/html;; charset=utf-8')"
+          office:version="1.0">""")
+    except ImportError:
       reader = PyExpat.Reader()
       document = reader.fromString(content_xml)
       document_element = document.documentElement
       from xml.dom.ext import PrettyPrint
-    output = StringIO()
       PrettyPrint(document_element, output)
       return output.getvalue().replace(
         "office:version='1.0'",