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[3.12] gh-129403: Fix ValueError messages in asyncio.Barrier and threading.Barrier (GH-129419) (#129469)

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gh-129403: Fix `ValueError` messages in `asyncio.Barrier` and `threading.Barrier` (GH-129419)
(cherry picked from commit bcb25d60b1)

Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
This commit is contained in:
Miss Islington (bot) 2025-01-30 09:28:06 +01:00 • committed by GitHub
parent c0ae83af95
commit f463d05a09
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3 changed files with 3 additions and 2 deletions
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2
Lib/asyncio/locks.py
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@ -454,7 +454,7 @@ class Barrier(mixins._LoopBoundMixin):
def __init__(self, parties): def __init__(self, parties):
"""Create a barrier, initialised to 'parties' tasks.""" """Create a barrier, initialised to 'parties' tasks."""
if parties < 1: if parties < 1:
raise ValueError('parties must be > 0') raise ValueError('parties must be >= 1')
self._cond = Condition() # notify all tasks when state changes self._cond = Condition() # notify all tasks when state changes

2
Lib/threading.py
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@ -686,7 +686,7 @@ class Barrier:
""" """
if parties < 1: if parties < 1:
raise ValueError("parties must be > 0") raise ValueError("parties must be >= 1")
self._cond = Condition(Lock()) self._cond = Condition(Lock())
self._action = action self._action = action
self._timeout = timeout self._timeout = timeout

1
Misc/NEWS.d/next/Library/2025-01-29-17-10-00.gh-issue-129403.314159.rst Normal file
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@ -0,0 +1 @@
Corrected :exc:`ValueError` message for :class:`asyncio.Barrier` and :class:`threading.Barrier`.