code: def get(method, hmc, uri, uri_parms, logon_required):
          
          cpc_oid = uri_parms[0]
          query_str = uri_parms[1]
          try:
              cpc = hmc.cpcs.lookup_by_oid(cpc_oid)
          except KeyError:
              raise InvalidResourceError(method, uri)
  
          # Reflect the result of listing the partition
          result_partitions = []
          if cpc.dpm_enabled:
              filter_args = parse_query_parms(method, uri, query_str)
              for partition in cpc.partitions.list(filter_args):
                  result_partition = {}
                  for prop in partition.properties:
                      if prop in ('object-uri', 'name', 'status'):
                          result_partition[prop] = partition.properties[prop]
                  result_partitions.append(result_partition)
          return {'partitions': result_partitions}
docs: Operation: List Partitions of a CPC (empty result if not in DPM
          mode).