Annoying Socket Problem

[John Abel]

I'm hoping this is something simple, and someone can point me in the 
right direction here.  I have a class based on SocketServer 
(ThreadingTCPServer), and I've used makefile on the socket so I use the 
"for in " routine.  My client sends it a small amount of data.  However, 
both programs appear to hang once the data has been sent, obviously 
something to do with flushing.

I'd appreciate any pointers.
Regards
J
Server Class:
class _DBSocketHandler( SocketServer.BaseRequestHandler ):
  
   xmlStart = re.compile( "XML-START" )
   xmlEnd = re.compile( "XML-END" )
  
   def handle( self ):
       print "Accepted Connection From", self.client_address
       socketIn = self.request.makefile( 'r' )
       socketOut = self.request.makefile( 'wb' )
       remoteDoc = None
       for dataIn in socketIn:
           if self.xmlEnd.match( dataIn ):
               remoteDoc.close()
               break
           if self.xmlStart.match( dataIn ):
               print "Receiving XML"
               remoteDoc = StringIO()
               continue
              
           if remoteDoc is not None:
               remoteDoc.write( dataIn )
              
       socketOut.write( "Got Yer XML File, Thanks" )

Client Code:
   def connect( self ):
       self.socketCon.connect( ( self.dbServer, self.dbPort ) )
       testFile = StringIO.StringIO( testXML )
       self.socketCon.send( "XML-START" )
       for xmlSQL in testFile:
           self.socketCon.send( xmlSQL )
       testFile.close()
       self.socketCon.send( "XML-END" )
       self.socketCon.send( "" )
       time.sleep(10)
       while True:
           dataRec = self.socketCon.recv( 8192 )
           if not dataRec: break
       self.socketCon.close()
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