Files
2025-10-19 18:29:10 +02:00

340 lines
12 KiB
Python

import _typeshed
import sys
import types
from _typeshed import SupportsKeysAndGetItem, Unused
from builtins import property as _builtins_property
from collections.abc import Callable, Iterable, Iterator, Mapping
from typing import Any, Generic, Literal, TypeVar, overload
from typing_extensions import Self, TypeAlias
__all__ = ["EnumMeta", "Enum", "IntEnum", "Flag", "IntFlag", "auto", "unique"]
if sys.version_info >= (3, 11):
__all__ += [
"CONFORM",
"CONTINUOUS",
"EJECT",
"EnumCheck",
"EnumType",
"FlagBoundary",
"KEEP",
"NAMED_FLAGS",
"ReprEnum",
"STRICT",
"StrEnum",
"UNIQUE",
"global_enum",
"global_enum_repr",
"global_flag_repr",
"global_str",
"member",
"nonmember",
"property",
"verify",
"pickle_by_enum_name",
"pickle_by_global_name",
]
if sys.version_info >= (3, 13):
__all__ += ["EnumDict"]
_EnumMemberT = TypeVar("_EnumMemberT")
_EnumerationT = TypeVar("_EnumerationT", bound=type[Enum])
# The following all work:
# >>> from enum import Enum
# >>> from string import ascii_lowercase
# >>> Enum('Foo', names='RED YELLOW GREEN')
# <enum 'Foo'>
# >>> Enum('Foo', names=[('RED', 1), ('YELLOW, 2)])
# <enum 'Foo'>
# >>> Enum('Foo', names=((x for x in (ascii_lowercase[i], i)) for i in range(5)))
# <enum 'Foo'>
# >>> Enum('Foo', names={'RED': 1, 'YELLOW': 2})
# <enum 'Foo'>
_EnumNames: TypeAlias = str | Iterable[str] | Iterable[Iterable[str | Any]] | Mapping[str, Any]
if sys.version_info >= (3, 11):
class nonmember(Generic[_EnumMemberT]):
value: _EnumMemberT
def __init__(self, value: _EnumMemberT) -> None: ...
class member(Generic[_EnumMemberT]):
value: _EnumMemberT
def __init__(self, value: _EnumMemberT) -> None: ...
class _EnumDict(dict[str, Any]):
def __init__(self) -> None: ...
def __setitem__(self, key: str, value: Any) -> None: ...
if sys.version_info >= (3, 11):
# See comment above `typing.MutableMapping.update`
# for why overloads are preferable to a Union here
#
# Unlike with MutableMapping.update(), the first argument is required,
# hence the type: ignore
@overload # type: ignore[override]
def update(self, members: SupportsKeysAndGetItem[str, Any], **more_members: Any) -> None: ...
@overload
def update(self, members: Iterable[tuple[str, Any]], **more_members: Any) -> None: ...
if sys.version_info >= (3, 13):
@property
def member_names(self) -> list[str]: ...
if sys.version_info >= (3, 13):
EnumDict = _EnumDict
# Structurally: Iterable[T], Reversible[T], Container[T] where T is the enum itself
class EnumMeta(type):
if sys.version_info >= (3, 11):
def __new__(
metacls: type[_typeshed.Self],
cls: str,
bases: tuple[type, ...],
classdict: _EnumDict,
*,
boundary: FlagBoundary | None = None,
_simple: bool = False,
**kwds: Any,
) -> _typeshed.Self: ...
elif sys.version_info >= (3, 9):
def __new__(
metacls: type[_typeshed.Self], cls: str, bases: tuple[type, ...], classdict: _EnumDict, **kwds: Any
) -> _typeshed.Self: ...
else:
def __new__(metacls: type[_typeshed.Self], cls: str, bases: tuple[type, ...], classdict: _EnumDict) -> _typeshed.Self: ...
if sys.version_info >= (3, 9):
@classmethod
def __prepare__(metacls, cls: str, bases: tuple[type, ...], **kwds: Any) -> _EnumDict: ... # type: ignore[override]
else:
@classmethod
def __prepare__(metacls, cls: str, bases: tuple[type, ...]) -> _EnumDict: ... # type: ignore[override]
def __iter__(self: type[_EnumMemberT]) -> Iterator[_EnumMemberT]: ...
def __reversed__(self: type[_EnumMemberT]) -> Iterator[_EnumMemberT]: ...
if sys.version_info >= (3, 12):
def __contains__(self: type[Any], value: object) -> bool: ...
elif sys.version_info >= (3, 11):
def __contains__(self: type[Any], member: object) -> bool: ...
elif sys.version_info >= (3, 10):
def __contains__(self: type[Any], obj: object) -> bool: ...
else:
def __contains__(self: type[Any], member: object) -> bool: ...
def __getitem__(self: type[_EnumMemberT], name: str) -> _EnumMemberT: ...
@_builtins_property
def __members__(self: type[_EnumMemberT]) -> types.MappingProxyType[str, _EnumMemberT]: ...
def __len__(self) -> int: ...
def __bool__(self) -> Literal[True]: ...
def __dir__(self) -> list[str]: ...
# Overload 1: Value lookup on an already existing enum class (simple case)
@overload
def __call__(cls: type[_EnumMemberT], value: Any, names: None = None) -> _EnumMemberT: ...
# Overload 2: Functional API for constructing new enum classes.
if sys.version_info >= (3, 11):
@overload
def __call__(
cls,
value: str,
names: _EnumNames,
*,
module: str | None = None,
qualname: str | None = None,
type: type | None = None,
start: int = 1,
boundary: FlagBoundary | None = None,
) -> type[Enum]: ...
else:
@overload
def __call__(
cls,
value: str,
names: _EnumNames,
*,
module: str | None = None,
qualname: str | None = None,
type: type | None = None,
start: int = 1,
) -> type[Enum]: ...
# Overload 3 (py312+ only): Value lookup on an already existing enum class (complex case)
#
# >>> class Foo(enum.Enum):
# ... X = 1, 2, 3
# >>> Foo(1, 2, 3)
# <Foo.X: (1, 2, 3)>
#
if sys.version_info >= (3, 12):
@overload
def __call__(cls: type[_EnumMemberT], value: Any, *values: Any) -> _EnumMemberT: ...
_member_names_: list[str] # undocumented
_member_map_: dict[str, Enum] # undocumented
_value2member_map_: dict[Any, Enum] # undocumented
if sys.version_info >= (3, 11):
# In 3.11 `EnumMeta` metaclass is renamed to `EnumType`, but old name also exists.
EnumType = EnumMeta
class property(types.DynamicClassAttribute):
def __set_name__(self, ownerclass: type[Enum], name: str) -> None: ...
name: str
clsname: str
member: Enum | None
_magic_enum_attr = property
else:
_magic_enum_attr = types.DynamicClassAttribute
class Enum(metaclass=EnumMeta):
@_magic_enum_attr
def name(self) -> str: ...
@_magic_enum_attr
def value(self) -> Any: ...
_name_: str
_value_: Any
_ignore_: str | list[str]
_order_: str
__order__: str
@classmethod
def _missing_(cls, value: object) -> Any: ...
@staticmethod
def _generate_next_value_(name: str, start: int, count: int, last_values: list[Any]) -> Any: ...
# It's not true that `__new__` will accept any argument type,
# so ideally we'd use `Any` to indicate that the argument type is inexpressible.
# However, using `Any` causes too many false-positives for those using mypy's `--disallow-any-expr`
# (see #7752, #2539, mypy/#5788),
# and in practice using `object` here has the same effect as using `Any`.
def __new__(cls, value: object) -> Self: ...
def __dir__(self) -> list[str]: ...
def __hash__(self) -> int: ...
def __format__(self, format_spec: str) -> str: ...
def __reduce_ex__(self, proto: Unused) -> tuple[Any, ...]: ...
if sys.version_info >= (3, 11):
def __copy__(self) -> Self: ...
def __deepcopy__(self, memo: Any) -> Self: ...
if sys.version_info >= (3, 12):
@classmethod
def __signature__(cls) -> str: ...
if sys.version_info >= (3, 11):
class ReprEnum(Enum): ...
if sys.version_info >= (3, 11):
_IntEnumBase = ReprEnum
else:
_IntEnumBase = Enum
class IntEnum(int, _IntEnumBase):
_value_: int
@_magic_enum_attr
def value(self) -> int: ...
def __new__(cls, value: int) -> Self: ...
def unique(enumeration: _EnumerationT) -> _EnumerationT: ...
_auto_null: Any
class Flag(Enum):
_name_: str | None # type: ignore[assignment]
_value_: int
@_magic_enum_attr
def name(self) -> str | None: ... # type: ignore[override]
@_magic_enum_attr
def value(self) -> int: ...
def __contains__(self, other: Self) -> bool: ...
def __bool__(self) -> bool: ...
def __or__(self, other: Self) -> Self: ...
def __and__(self, other: Self) -> Self: ...
def __xor__(self, other: Self) -> Self: ...
def __invert__(self) -> Self: ...
if sys.version_info >= (3, 11):
def __iter__(self) -> Iterator[Self]: ...
def __len__(self) -> int: ...
__ror__ = __or__
__rand__ = __and__
__rxor__ = __xor__
if sys.version_info >= (3, 11):
class StrEnum(str, ReprEnum):
def __new__(cls, value: str) -> Self: ...
_value_: str
@_magic_enum_attr
def value(self) -> str: ...
@staticmethod
def _generate_next_value_(name: str, start: int, count: int, last_values: list[str]) -> str: ...
class EnumCheck(StrEnum):
CONTINUOUS = "no skipped integer values"
NAMED_FLAGS = "multi-flag aliases may not contain unnamed flags"
UNIQUE = "one name per value"
CONTINUOUS = EnumCheck.CONTINUOUS
NAMED_FLAGS = EnumCheck.NAMED_FLAGS
UNIQUE = EnumCheck.UNIQUE
class verify:
def __init__(self, *checks: EnumCheck) -> None: ...
def __call__(self, enumeration: _EnumerationT) -> _EnumerationT: ...
class FlagBoundary(StrEnum):
STRICT = "strict"
CONFORM = "conform"
EJECT = "eject"
KEEP = "keep"
STRICT = FlagBoundary.STRICT
CONFORM = FlagBoundary.CONFORM
EJECT = FlagBoundary.EJECT
KEEP = FlagBoundary.KEEP
def global_str(self: Enum) -> str: ...
def global_enum(cls: _EnumerationT, update_str: bool = False) -> _EnumerationT: ...
def global_enum_repr(self: Enum) -> str: ...
def global_flag_repr(self: Flag) -> str: ...
if sys.version_info >= (3, 11):
# The body of the class is the same, but the base classes are different.
class IntFlag(int, ReprEnum, Flag, boundary=KEEP): # type: ignore[misc] # complaints about incompatible bases
def __new__(cls, value: int) -> Self: ...
def __or__(self, other: int) -> Self: ...
def __and__(self, other: int) -> Self: ...
def __xor__(self, other: int) -> Self: ...
__ror__ = __or__
__rand__ = __and__
__rxor__ = __xor__
else:
class IntFlag(int, Flag): # type: ignore[misc] # complaints about incompatible bases
def __new__(cls, value: int) -> Self: ...
def __or__(self, other: int) -> Self: ...
def __and__(self, other: int) -> Self: ...
def __xor__(self, other: int) -> Self: ...
__ror__ = __or__
__rand__ = __and__
__rxor__ = __xor__
class auto:
_value_: Any
@_magic_enum_attr
def value(self) -> Any: ...
def __new__(cls) -> Self: ...
# These don't exist, but auto is basically immediately replaced with
# either an int or a str depending on the type of the enum. StrEnum's auto
# shouldn't have these, but they're needed for int versions of auto (mostly the __or__).
# Ideally type checkers would special case auto enough to handle this,
# but until then this is a slightly inaccurate helping hand.
def __or__(self, other: int | Self) -> Self: ...
def __and__(self, other: int | Self) -> Self: ...
def __xor__(self, other: int | Self) -> Self: ...
__ror__ = __or__
__rand__ = __and__
__rxor__ = __xor__
if sys.version_info >= (3, 11):
def pickle_by_global_name(self: Enum, proto: int) -> str: ...
def pickle_by_enum_name(self: _EnumMemberT, proto: int) -> tuple[Callable[..., Any], tuple[type[_EnumMemberT], str]]: ...