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gh-142414: Remove singleton design pattern in Lib/concurrent/interpreters/_crossinterp.py. #142577

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gh-142414: Remove singleton design pattern in Lib/concurrent/interpreters/_crossinterp.py. #142577

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d5060f7
Add register_unbound in _crossinterp.py and initialize it in _queues.py
note35 Dec 10, 2025
fb22cf6
Change to directly import UNBOUND.
note35 Dec 10, 2025
7c3245f
📜🤖 Added by blurb_it.
blurb-it[bot] Dec 10, 2025
32617a0
Update 2025-12-10-15-27-58.gh-issue-142414.zTHgP-.rst
note35 Dec 10, 2025
5730fd5
Update 2025-12-10-15-27-58.gh-issue-142414.zTHgP-.rst
note35 Dec 10, 2025
fcb3385
Add the repro test into test_queues.py.
note35 Dec 11, 2025
9a85aad
Address "./python -m test test_interpreters test_concurrent_futures.t…
note35 Dec 11, 2025
4a7e0ee
Update Misc/NEWS.d/next/Library/2025-12-10-15-27-58.gh-issue-142414.z…
note35 Dec 11, 2025
b6a206f
Remove picklable functions.
note35 Dec 11, 2025
b128769
Convert singleton object to a normal object.
note35 Dec 11, 2025
f74dcf9
Remove test_cross_interpreter_unbound_identity and picklabe object.
note35 Dec 12, 2025
d08f96e
Update Misc/NEWS.d/next/Library/2025-12-10-15-27-58.gh-issue-142414.z…
note35 Dec 12, 2025
2534bbf
Add a comment to explain why catch queues.QueueEmpty
note35 Dec 12, 2025
abb3dfe
Update Misc/NEWS.d/next/Library/2025-12-10-15-27-58.gh-issue-142414.z…
note35 Dec 12, 2025
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Add register_unbound in _crossinterp.py and initialize it in _queues.py
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@note35
note35 committed Dec 10, 2025
commit d5060f7808d2b9a86ac4ca5c447750b089cd3c16
4 changes: 4 additions & 0 deletions Lib/concurrent/interpreters/_crossinterp.py
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Expand Up @@ -82,6 +82,10 @@ def __repr__(self):
for k, v in _UNBOUND_CONSTANT_TO_FLAG.items()}


def register_unbound(unbound, flag):
_UNBOUND_CONSTANT_TO_FLAG[unbound] = flag


def serialize_unbound(unbound):
op = unbound
try:
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1 change: 1 addition & 0 deletions Lib/concurrent/interpreters/_queues.py
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Expand Up @@ -47,6 +47,7 @@ class ItemInterpreterDestroyed(QueueError,


UNBOUND = _crossinterp.UnboundItem.singleton('queue', __name__)
_crossinterp.register_unbound(UNBOUND, 3)


def _serialize_unbound(unbound):
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