In python, typing.Union can be merged
a = Union[Test, Test0]
b = Union[Test1, Test2]
c = Union[a, b]
c == Union[Test, Test0, Test1, Test2]Being able to merge StrawberryUnion's when creating a union with strawberry.union would be helpful in some cases and should be fairly cheap to implement
Example implementation in my project that adds that functionality by wrapping strawberry.union
def union(
name: str,
types: Tuple[Type, ...],
*args,
description: str = None,
) -> StrawberryUnion:
expanded_types = []
for _type in types:
if hasattr(_type, "__origin__") and _type.__origin__ == Union:
expanded_types.extend(_type.__args__)
elif isinstance(_type, StrawberryUnion):
expanded_types.extend(_type.types)
else:
expanded_types.append(_type)
return strawberry.union(
name=name,
types=tuple(expanded_types),
*args,
description=description
)
strawberry-graphql / strawberry
A GraphQL library for Python that leverages type annotations 🍓
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