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Handle relay connection field being required

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This commit is contained in:
Jonathan Kim 2018-02-17 20:18:55 +00:00
parent 42c96a453f
commit 38baf7ab52
1 changed files with 8 additions and 2 deletions
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10
graphene/relay/connection.py
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@ -99,7 +99,10 @@ class IterableConnectionField(Field):
def type(self):
type = super(IterableConnectionField, self).type
connection_type = type
if is_node(type):
if isinstance(type, NonNull):
connection_type = type.of_type
if is_node(connection_type):
raise Exception(
"ConnectionField's now need a explicit ConnectionType for Nodes.\n"
"Read more: https://github.com/graphql-python/graphene/blob/v2.0.0/UPGRADE-v2.0.md#node-connections"
@ -108,10 +111,13 @@ class IterableConnectionField(Field):
assert issubclass(connection_type, Connection), (
'{} type have to be a subclass of Connection. Received "{}".'
).format(self.__class__.__name__, connection_type)
return connection_type
return type
@classmethod
def resolve_connection(cls, connection_type, args, resolved):
if isinstance(connection_type, NonNull):
connection_type = connection_type.of_type
if isinstance(resolved, connection_type):
return resolved