Closes #22922: More EventLoop methods fail if the loop is closed. Initial patch
written by Torsten Landschoff.
create_task(), call_at(), call_soon(), call_soon_threadsafe() and
run_in_executor() now raise an error if the event loop is closed.
diff --git a/Lib/asyncio/base_events.py b/Lib/asyncio/base_events.py
index 40dd668..7c38b09 100644
--- a/Lib/asyncio/base_events.py
+++ b/Lib/asyncio/base_events.py
@@ -177,6 +177,7 @@
Return a task object.
"""
+ self._check_closed()
task = tasks.Task(coro, loop=self)
if task._source_traceback:
del task._source_traceback[-1]
@@ -360,6 +361,7 @@
if (coroutines.iscoroutine(callback)
or coroutines.iscoroutinefunction(callback)):
raise TypeError("coroutines cannot be used with call_at()")
+ self._check_closed()
if self._debug:
self._assert_is_current_event_loop()
timer = events.TimerHandle(when, callback, args, self)
@@ -390,6 +392,7 @@
raise TypeError("coroutines cannot be used with call_soon()")
if self._debug and check_loop:
self._assert_is_current_event_loop()
+ self._check_closed()
handle = events.Handle(callback, args, self)
if handle._source_traceback:
del handle._source_traceback[-1]
@@ -426,6 +429,7 @@
if (coroutines.iscoroutine(callback)
or coroutines.iscoroutinefunction(callback)):
raise TypeError("coroutines cannot be used with run_in_executor()")
+ self._check_closed()
if isinstance(callback, events.Handle):
assert not args
assert not isinstance(callback, events.TimerHandle)