bpo-42392: Remove loop parameter form asyncio locks and Queue (#23420)

Co-authored-by: Andrew Svetlov <andrew.svetlov@gmail.com>

1 files changed, 6 insertions, 14 deletions

diff --git a/Lib/asyncio/queues.py b/Lib/asyncio/queues.py
index cd3f7c6a56..78ae9e99cc 100644
--- a/Lib/asyncio/queues.py
+++ b/Lib/asyncio/queues.py
@@ -2,10 +2,9 @@ __all__ = ('Queue', 'PriorityQueue', 'LifoQueue', 'QueueFull', 'QueueEmpty')
 
 import collections
 import heapq
-import warnings
 
-from . import events
 from . import locks
+from . import mixins
 
 
 class QueueEmpty(Exception):
@@ -18,7 +17,7 @@ class QueueFull(Exception):
     pass
 
 
-class Queue:
+class Queue(mixins._LoopBoundedMixin):
     """A queue, useful for coordinating producer and consumer coroutines.
 
     If maxsize is less than or equal to zero, the queue size is infinite. If it
@@ -30,14 +29,7 @@ class Queue:
     interrupted between calling qsize() and doing an operation on the Queue.
     """
 
-    def __init__(self, maxsize=0, *, loop=None):
-        if loop is None:
-            self._loop = events.get_event_loop()
-        else:
-            self._loop = loop
-            warnings.warn("The loop argument is deprecated since Python 3.8, "
-                          "and scheduled for removal in Python 3.10.",
-                          DeprecationWarning, stacklevel=2)
+    def __init__(self, maxsize=0):
         self._maxsize = maxsize
 
         # Futures.
@@ -45,7 +37,7 @@ class Queue:
         # Futures.
         self._putters = collections.deque()
         self._unfinished_tasks = 0
-        self._finished = locks.Event(loop=loop)
+        self._finished = locks.Event()
         self._finished.set()
         self._init(maxsize)
 
@@ -122,7 +114,7 @@ class Queue:
         slot is available before adding item.
         """
         while self.full():
-            putter = self._loop.create_future()
+            putter = self._get_loop().create_future()
             self._putters.append(putter)
             try:
                 await putter
@@ -160,7 +152,7 @@ class Queue:
         If queue is empty, wait until an item is available.
         """
         while self.empty():
-            getter = self._loop.create_future()
+            getter = self._get_loop().create_future()
             self._getters.append(getter)
             try:
                 await getter