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Define abstract Mutation.mutate() method

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Add default implementation of Mutation.mutate() that raises NotImplementedError.
This makes code more clear and also improves work of auto-completion tools (e. g. in IDE). They usually guess if user is overriding a class method and suggest to complete method name/arguments.
This commit is contained in:
belkka 2021-12-02 08:56:29 +02:00 committed by Misha
parent 5fb7b54377
commit a97d3d3321
1 changed files with 5 additions and 3 deletions
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8
graphene/types/mutation.py
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@ -104,9 +104,7 @@ class Mutation(ObjectType):
) )
arguments = props(input_class) if input_class else {} arguments = props(input_class) if input_class else {}
if not resolver: if not resolver:
mutate = getattr(cls, "mutate", None) resolver = get_unbound_function(cls.mutate)
assert mutate, "All mutations must define a mutate method in it"
resolver = get_unbound_function(mutate)
if _meta.fields: if _meta.fields:
_meta.fields.update(fields) _meta.fields.update(fields)
else: else:
@ -118,6 +116,10 @@ class Mutation(ObjectType):
super(Mutation, cls).__init_subclass_with_meta__(_meta=_meta, **options) super(Mutation, cls).__init_subclass_with_meta__(_meta=_meta, **options)
@classmethod
def mutate(cls, parent, info, **kwargs):
raise NotImplementedError("All mutations must define a mutate method in it")
@classmethod @classmethod
def Field( def Field(
cls, name=None, description=None, deprecation_reason=None, required=False cls, name=None, description=None, deprecation_reason=None, required=False