graphql-relay

import graphene from graphql.execution.execute import execute from graphql.language.parser import parse from graphql_relay import node_definitions, global_id_field, connection_definitions, connection_from_array, connection_args, from_global_id class User: def __init__(self, id, name): self.id = id self.name = name users_data = { "1": User("1", "Alice"), "2": User("2", "Bob"), } def get_user(id): return users_data.get(id) def get_object_from_global_id(global_id, info): type_name, id = from_global_id(global_id) if type_name == 'User': return get_user(id) return None node_interface, node_field = node_definitions( get_object_from_global_id, lambda obj, info: UserNode if isinstance(obj, User) else None ) class UserNode(graphene.ObjectType): class Meta: name = 'User' interfaces = (node_interface,) id = global_id_field('User') name = graphene.String() UserConnection = connection_definitions(UserNode, 'UserConnection').connection_type class Query(graphene.ObjectType): node = node_field users = graphene.Field( UserConnection, args=connection_args, resolve=lambda obj, info, **args: connection_from_array(list(users_data.values()), args) ) schema = graphene.Schema(query=Query) # Example Usage: query_str = ''' query { users (first: 1) { edges { node { id name } } } node(id: "VXNlcjox") { id ... on User { name } } } ''' # Assuming "VXNlcjox" is the global ID for User:1 (to_global_id('User', '1')) # Use 'User:1' -> base64 -> 'VXNlcjox' result = execute(schema, parse(query_str)) print(result.data)