enum34.py

import enum
from dataclasses import dataclass

import imported

from serde import serde
from serde.json import from_json, to_json


class Nested(enum.Enum):
    S = 'foo'


class E(enum.Enum):
    S = 'foo'
    F = 10.0
    B = True
    N = Nested.S


class IE(enum.IntEnum):
    V0 = enum.auto()
    V1 = enum.auto()
    V2 = enum.auto()


@serde
@dataclass
class Foo:
    v0: IE
    v1: IE = IE.V1  # Default enum value.
    v2: E = E.S
    v3: imported.ImportedEnum = imported.ImportedEnum.V3  # Use enum imported from other module.
    v4: E = E.N  # Use nested enum.


if __name__ == "__main__":
    f = Foo(IE.V0)
    s = to_json(f)
    print(s)

    f = from_json(Foo, s)
    print(f)
    s = to_json(f)

    # You can also pass an enum-compabitle value (in this case True for E.B).
    # Caveat: Foo takes any value IE accepts. e.g., Foo(True) is also valid.
    s = to_json(Foo(3))
    print(s)