Communication: disable libexpat 2.6 reparse deferral (cea-hpc#556)

Use SetReparseDeferralEnabled() API to restore previous bahavior
as we control the source of the XML.

Author: thiell

lib/ClusterShell/Communication.py

@@ -191,6 +191,7 @@ def __init__(self, initiator=False):
         self._xml_reader = XMLReader()
         self._parser = xml.sax.make_parser(["IncrementalParser"])
         self._parser.setContentHandler(self._xml_reader)
+        self._parser.SetReparseDeferralEnabled(False)
 
         self.logger = logging.getLogger(__name__)
 

tests/TreeGatewayTest.py

@@ -95,6 +95,7 @@ def setUp(self):
         self.xml_reader = XMLReader()
         self.parser = xml.sax.make_parser(["IncrementalParser"])
         self.parser.setContentHandler(self.xml_reader)
+        self.parser.SetReparseDeferralEnabled(False)
 
     def tearDown(self):
         """destroy gateway after each test"""