[Python-checkins] bpo-39349: Add cancel_futures to Executor.shutdown base class (GH-22023)
Shantanu
webhook-mailer at python.org
Tue Sep 1 17:18:12 EDT 2020
https://github.com/python/cpython/commit/17dc1b789ecc33b4a254eb3b799085f4b3624ca5
commit: 17dc1b789ecc33b4a254eb3b799085f4b3624ca5
branch: master
author: Shantanu <12621235+hauntsaninja at users.noreply.github.com>
committer: GitHub <noreply at github.com>
date: 2020-09-01T17:18:07-04:00
summary:
bpo-39349: Add cancel_futures to Executor.shutdown base class (GH-22023)
* Add cancel_futures parameter to the Executor base class, since it was missed in the original PR (https://github.com/python/cpython/pull/18057) that added cancel_futures.
files:
M Lib/concurrent/futures/_base.py
diff --git a/Lib/concurrent/futures/_base.py b/Lib/concurrent/futures/_base.py
index bf546f8ae1d1c..00eb54881f295 100644
--- a/Lib/concurrent/futures/_base.py
+++ b/Lib/concurrent/futures/_base.py
@@ -605,7 +605,7 @@ def result_iterator():
future.cancel()
return result_iterator()
- def shutdown(self, wait=True):
+ def shutdown(self, wait=True, *, cancel_futures=False):
"""Clean-up the resources associated with the Executor.
It is safe to call this method several times. Otherwise, no other
@@ -615,6 +615,9 @@ def shutdown(self, wait=True):
wait: If True then shutdown will not return until all running
futures have finished executing and the resources used by the
executor have been reclaimed.
+ cancel_futures: If True then shutdown will cancel all pending
+ futures. Futures that are completed or running will not be
+ cancelled.
"""
pass
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