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Remove, move or # noqa more TypeAlias declarations (#8450)

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This commit is contained in:
Alex Waygood
2022-08-05 13:03:19 +01:00
committed by GitHub
parent 3e88363b34
commit 892796a794
5 changed files with 30 additions and 48 deletions
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33
stdlib/multiprocessing/__init__.pyi
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@@ -1,5 +1,5 @@
import sys
from multiprocessing import context, reduction as reducer, synchronize
from multiprocessing import context, reduction as reducer
from multiprocessing.context import (
AuthenticationError as AuthenticationError,
BufferTooShort as BufferTooShort,
@@ -10,12 +10,14 @@ from multiprocessing.context import (
from multiprocessing.process import active_children as active_children, current_process as current_process
# These are technically functions that return instances of these Queue classes.
# Using them as annotations is deprecated. Either use imports from
# multiprocessing.queues or the aliases defined below. See #4266 for discussion.
# The stub here doesn't reflect reality exactly --
# while e.g. `multiprocessing.queues.Queue` is a class,
# `multiprocessing.Queue` is actually a function at runtime.
# Avoid using `multiprocessing.Queue` as a type annotation;
# use imports from multiprocessing.queues instead.
# See #4266 and #8450 for discussion.
from multiprocessing.queues import JoinableQueue as JoinableQueue, Queue as Queue, SimpleQueue as SimpleQueue
from multiprocessing.spawn import freeze_support as freeze_support
from typing import TypeVar
from typing_extensions import TypeAlias
if sys.version_info >= (3, 8):
from multiprocessing.process import parent_process as parent_process
@@ -62,27 +64,6 @@ __all__ = [
if sys.version_info >= (3, 8):
__all__ += ["parent_process"]
# The following type aliases can be used to annotate the return values of
# the corresponding functions. They are not defined at runtime.
#
# from multiprocessing import Lock
# from typing import TYPE_CHECKING
# if TYPE_CHECKING:
# from multiprocessing import _LockType
# lock: _LockType = Lock()
_T = TypeVar("_T")
_QueueType: TypeAlias = Queue[_T]
_SimpleQueueType: TypeAlias = SimpleQueue[_T]
_JoinableQueueType: TypeAlias = JoinableQueue[_T]
_BarrierType: TypeAlias = synchronize.Barrier
_BoundedSemaphoreType: TypeAlias = synchronize.BoundedSemaphore
_ConditionType: TypeAlias = synchronize.Condition
_EventType: TypeAlias = synchronize.Event
_LockType: TypeAlias = synchronize.Lock
_RLockType: TypeAlias = synchronize.RLock
_SemaphoreType: TypeAlias = synchronize.Semaphore
# These functions (really bound methods)
# are all autogenerated at runtime here: https://github.com/python/cpython/blob/600c65c094b0b48704d8ec2416930648052ba715/Lib/multiprocessing/__init__.py#L23
RawValue = context._default_context.RawValue