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from apischema import deserialize, serialize
from apischema.json_schema import deserialization_schema
from apischema.objects import ObjectField, set_object_fields
class Foo:
def __init__(self, bar):
self.bar = bar
set_object_fields(Foo, [ObjectField("bar", int)])
# Fields can also be passed in a factory
set_object_fields(Foo, lambda: [ObjectField("bar", int)])
foo = deserialize(Foo, {"bar": 0})
assert isinstance(foo, Foo) and foo.bar == 0
assert serialize(Foo, Foo(0)) == {"bar": 0}
assert deserialization_schema(Foo) == {
"$schema": "http://json-schema.org/draft/2020-12/schema#",
"type": "object",
"properties": {"bar": {"type": "integer"}},
"required": ["bar"],
"additionalProperties": False,
}
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