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[3.14] gh-133146: Add the old public get_value method to documentation and refactor code. (GH-133301) (#142110)

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also uses it within the internals in a few places.
(cherry picked from commit db098a475a)

Co-authored-by: Duprat <yduprat@gmail.com>
This commit is contained in:
Hugo van Kemenade 2025-11-30 23:06:56 +02:00 • committed by GitHub
parent 3824ad0286
commit b95d16a338
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3 changed files with 20 additions and 5 deletions
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13
Lib/multiprocessing/synchronize.py
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@ -135,11 +135,16 @@ def __init__(self, value=1, *, ctx):
SemLock.__init__(self, SEMAPHORE, value, SEM_VALUE_MAX, ctx=ctx)
def get_value(self):
'''Returns current value of Semaphore.
Raises NotImplementedError on Mac OSX
because of broken sem_getvalue().
'''
return self._semlock._get_value()
def __repr__(self):
try:
value = self._semlock._get_value()
value = self.get_value()
except Exception:
value = 'unknown'
return '<%s(value=%s)>' % (self.__class__.__name__, value)
@ -155,7 +160,7 @@ def __init__(self, value=1, *, ctx):
def __repr__(self):
try:
value = self._semlock._get_value()
value = self.get_value()
except Exception:
value = 'unknown'
return '<%s(value=%s, maxvalue=%s)>' % \
@ -247,8 +252,8 @@ def _make_methods(self):
def __repr__(self):
try:
num_waiters = (self._sleeping_count._semlock._get_value() -
self._woken_count._semlock._get_value())
num_waiters = (self._sleeping_count.get_value() -
self._woken_count.get_value())
except Exception:
num_waiters = 'unknown'
return '<%s(%s, %s)>' % (self.__class__.__name__, self._lock, num_waiters)