def render_POST(self, request):
from twisted.internet.defer import maybeDeferred<EOL>chain = self.factory.newInstance()<EOL>data = request.content.read()<EOL>d = maybeDeferred(chain.processRequest, data, request=request, resource=self)<EOL>d.addCallback(chain.processResponse, request=request, resource=self)<EOL>d.addCallback(self._writeResponse, request)<EOL>d.addErrback(self._writeFault, request)<EOL>return NOT_DONE_YET<EOL>
Dispatch Method called by twisted render, creates a 
        request/response handler chain.
        request -- twisted.web.server.Request