Brian McCutchon <bmccutc...@google.com> added the comment:
I understand your hesitation to add a fake. Would it be better to make it
possible to subclass Executor so that a third party implementation of this can
be developed?
As for an example, here is an example of nondeterminism when using a
ThreadPoolExecutor with a single worker. It sometimes prints "False" and
sometimes "True" on my machine.
from concurrent import futures
import time
complete = False
def complete_eventually():
global complete
for _ in range(150000):
pass
complete = True
with futures.ThreadPoolExecutor(max_workers=1) as pool:
pool.submit(complete_eventually)
print(complete)
----------
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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue36395>
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