gentoo-overlay/dev-java/jython/files/jython-2.5.2-sax-parser-class-not-found.patch

# HG changeset patch
# User Alan Kennedy <alan@xhaus.com>
# Date 1333300584 -3600
# Node ID a972112ac1b155ef41b3f8ce195251bc6cc3ebce
# Parent  920a60f5d5b5fdf46f4f26c75cab42e2a671be2f
#1537: Fix for classloading issues with MATLAB/OpenJDK

diff --git a/Lib/xml/parsers/expat.py b/Lib/xml/parsers/expat.py
--- a/Lib/xml/parsers/expat.py
+++ b/Lib/xml/parsers/expat.py
@@ -47,12 +47,8 @@ from org.xml.sax.helpers import XMLReade
 from org.xml.sax.ext import DefaultHandler2
 
 # Xerces
-try:
-    # Name mangled by jarjar?
-    import org.python.apache.xerces.parsers.SAXParser
-    _xerces_parser = "org.python.apache.xerces.parsers.SAXParser"
-except ImportError:
-    _xerces_parser = "org.apache.xerces.parsers.SAXParser"
+_mangled_xerces_parser_name = "org.python.apache.xerces.parsers.SAXParser"
+_xerces_parser_name = "org.apache.xerces.parsers.SAXParser"
 
 
 # @expat args registry
@@ -88,7 +84,11 @@ class XMLParser(object):
                      "not %s" % type(namespace_separator).__name__)
             raise TypeError(error)
 
-        self._reader = XMLReaderFactory.createXMLReader(_xerces_parser)
+        # See http://bugs.jython.org/issue1537
+        try:
+            self._reader = XMLReaderFactory.createXMLReader(_mangled_xerces_parser_name)
+        except:
+            self._reader = XMLReaderFactory.createXMLReader(_xerces_parser_name)
 
         if self.namespace_separator is None:
             try: