def post(method, hmc, uri, uri_parms, body, logon_required,
             wait_for_completion):
        """Operation: Create Partition (requires DPM mode)."""
        assert wait_for_completion is True  # async not supported yet
        cpc_oid = uri_parms[0]
        try:
            cpc = hmc.cpcs.lookup_by_oid(cpc_oid)
        except KeyError:
            raise InvalidResourceError(method, uri)
        if not cpc.dpm_enabled:
            raise CpcNotInDpmError(method, uri, cpc)
        check_valid_cpc_status(method, uri, cpc)
        check_required_fields(method, uri, body,
                              ['name', 'initial-memory', 'maximum-memory'])
        # TODO: There are some more input properties that are required under
        # certain conditions.

        # Reflect the result of creating the partition
        new_partition = cpc.partitions.add(body)
        return {'object-uri': new_partition.uri}