code: def get_port_by_ref(self, port_ref):
          '''Get a port of this component by reference to a CORBA PortService
          object.
  
          '''
          with self._mutex:
              for p in self.ports:
                  if p.object._is_equivalent(port_ref):
                      return p
              return Nonf get_port_by_ref(self, port_ref):
          '''Get a port of this component by reference to a CORBA PortService
          object.
  
          '''
          with self._mutex:
              for p in self.ports:
                  if p.object._is_equivalent(port_ref):
                      return p
              return None
docs: Get a port of this component by reference to a CORBA PortService
          object.