matthew/enhanced-discord.py
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Cleanup some of the prior typings for cached_slot_property

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Rapptz 2021-04-18 08:02:52 -04:00
parent 18badbc60f
commit cc4dced7c0
1 changed files with 23 additions and 24 deletions
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47
discord/utils.py
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@ -54,43 +54,42 @@ __all__ = (
)
DISCORD_EPOCH = 1420070400000
class cached_property:
def __init__(self, function):
self.function = function
self.__doc__ = getattr(function, '__doc__')
def __get__(self, instance, owner):
if instance is None:
return self
value = self.function(instance)
setattr(instance, self.function.__name__, value)
return value
if TYPE_CHECKING:
from functools import cached_property
else:
class cached_property:
def __init__(self, function):
self.function = function
self.__doc__ = getattr(function, '__doc__')
def __get__(self, instance, owner):
if instance is None:
return self
value = self.function(instance)
setattr(instance, self.function.__name__, value)
return value
FS = TypeVar('FS')
FR = TypeVar('FR', covariant=True)
CP = TypeVar('CP', bound='cached_property')
T = TypeVar('T')
T_co = TypeVar('T_co', covariant=True)
CSP = TypeVar('CSP', bound='CachedSlotProperty')
class CachedSlotProperty(Generic[FS, FR]):
def __init__(self, name: str, function: Callable[[FS], FR]) -> None:
class CachedSlotProperty(Generic[T, T_co]):
def __init__(self, name: str, function: Callable[[T], T_co]) -> None:
self.name = name
self.function = function
self.__doc__ = getattr(function, '__doc__')
@overload
def __get__(self: CSP, instance: None, owner: Type[FS]) -> CSP:
def __get__(self: CSP, instance: None, owner: Type[T]) -> CSP:
...
@overload
def __get__(self, instance: FS, owner: Type[FS]) -> FR:
def __get__(self, instance: T, owner: Type[T]) -> T_co:
...
def __get__(self, instance: Optional[FS], owner: Type[FS]) -> Any:
def __get__(self, instance: Optional[T], owner: Type[T]) -> Any:
if instance is None:
return self
@ -101,8 +100,8 @@ class CachedSlotProperty(Generic[FS, FR]):
setattr(instance, self.name, value)
return value
def cached_slot_property(name: str) -> Callable[[Callable[[FS], FR]], CachedSlotProperty[FS, FR]]:
def decorator(func: Callable[[FS], FR]) -> CachedSlotProperty[FS, FR]:
def cached_slot_property(name: str) -> Callable[[Callable[[T], T_co]], CachedSlotProperty[T, T_co]]:
def decorator(func: Callable[[T], T_co]) -> CachedSlotProperty[T, T_co]:
return CachedSlotProperty(name, func)
return decorator