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from dataclasses import dataclass, field
from apischema import alias
from apischema.objects import object_fields
@alias(lambda s: f"prefixed_{s}")
@dataclass
class Data:
not_aliased: int = field(metadata=alias(override=False))
not_prefixed: int = field(metadata=alias("not_overridden", override=False))
prefixed: int
prefixed_alias: str = field(metadata=alias("alias"))
def test_alias():
assert {name: field.alias for name, field in object_fields(Data).items()} == {
"not_aliased": "not_aliased",
"not_prefixed": "not_overridden",
"prefixed": "prefixed_prefixed",
"prefixed_alias": "prefixed_alias",
}
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