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|
from dataclasses import dataclass
from uuid import UUID
import graphql
from graphql.utilities import print_schema
from apischema.graphql import graphql_schema, relay
@dataclass
class Ship(relay.Node[UUID]): # Let's use an UUID for Ship id
name: str
@classmethod
async def get_by_id(cls, id: UUID, info: graphql.GraphQLResolveInfo = None):
...
@dataclass
class Faction(relay.Node[int]): # Nodes can have different id types
name: str
@classmethod
def get_by_id(cls, id: int, info: graphql.GraphQLResolveInfo = None) -> "Faction":
...
schema = graphql_schema(query=[relay.node], types=relay.nodes())
schema_str = """\
type Ship implements Node {
id: ID!
name: String!
}
interface Node {
id: ID!
}
type Faction implements Node {
id: ID!
name: String!
}
type Query {
node(id: ID!): Node!
}"""
assert print_schema(schema) == schema_str
|
