store parsed xml tree to avoid multiple tree creation to accelarate parsing

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@36619 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Form/ScribusParser.py

@@ -55,9 +55,8 @@ class ScribusParser:
       source = open(scribus_file_descriptor, "rb")
       data = source.read() 
       source.close()
-    data = data.replace('', '\n')
-    data = data.replace('', '\t')
-    self.data = data
+
+    self.parsed_data = etree.XML(data)
 
   def getData(self):
     """
@@ -69,7 +68,7 @@ class ScribusParser:
     """
     Return the content file in XML structured
     """
-    return etree.XML(self.getData())
+    return self.parsed_data
 
 
   def getXMLObjectByTagName(self, tag_name):