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Fix various ParamSpec errors in typing (GH-24176)

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1. ParamSpec -> TypeVar for ``typing.Concatenate``
2. ParamSpec's call signature should align with its documentation.
Noticed in GH-24169
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Ken Jin 2021-01-11 08:11:41 +08:00 • committed by GitHub
parent 81f87bbf9f
commit ace008c531
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2 changed files with 3 additions and 3 deletions
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4
Doc/library/typing.rst
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@ -695,10 +695,10 @@ These can be used as types in annotations using ``[]``, each having a unique syn
from collections.abc import Callable from collections.abc import Callable
from threading import Lock from threading import Lock
from typing import Any, Concatenate, ParamSpec from typing import Any, Concatenate, ParamSpec, TypeVar
P = ParamSpec('P') P = ParamSpec('P')
R = ParamSpec('R') R = TypeVar('R')
# Use this lock to ensure that only one thread is executing a function # Use this lock to ensure that only one thread is executing a function
# at any time. # at any time.

2
Lib/typing.py
View file

@ -779,7 +779,7 @@ class ParamSpec(_Final, _Immutable, _TypeVarLike, _root=True):
args = object() args = object()
kwargs = object() kwargs = object()
def __init__(self, name, bound=None, covariant=False, contravariant=False): def __init__(self, name, *, bound=None, covariant=False, contravariant=False):
self.__name__ = name self.__name__ = name
super().__init__(bound, covariant, contravariant) super().__init__(bound, covariant, contravariant)
try: try: