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"""Enum backports from standard lib."""
from __future__ import annotations
from enum import Enum
from typing import Any, Self
class StrEnum(str, Enum):
"""Partial backport of Python 3.11's StrEnum for our basic use cases."""
def __new__(cls, value: str, *args: Any, **kwargs: Any) -> Self:
"""Create a new StrEnum instance."""
if not isinstance(value, str):
raise TypeError(f"{value!r} is not a string")
return super().__new__(cls, value, *args, **kwargs)
def __str__(self) -> str:
"""Return self.value."""
return str(self.value)
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