rpc_server.py

class BlackIPv4Servicer(biv4_pb2_grpc.BlackIPv4ServiceServicer):
    def __init__(self):
        self.cnxpool = repository.get_connection_pool()

    def GetReputationByIPv4(self, request, context):
        try:
           cnx = self.cnxpool.get_connection()
           reputation = repository.get_reputation_by_ipv4(cnx, request)
           return reputation
        except Exception as e:
            logging.error(e)