Bug report
Bug description:
# Add a code block here, if required
>>>import threading
>>>x=threading.Barrier(parties=0.5)
Traceback (most recent call last):
File "<pyshell#0>", line 1, in <module>
x=Barrier(parties=0.5)
ValueError: parties must be > 0Yes. As you see 0.5 is below 0.
To solve this problem, adding this sentence is viable.
class Barrier:
"""Implements a Barrier.
Useful for synchronizing a fixed number of threads at known synchronization
points. Threads block on 'wait()' and are simultaneously awoken once they
have all made that call.
"""
def __init__(self, parties, action=None, timeout=None):
"""Create a barrier, initialised to 'parties' threads.
'action' is a callable which, when supplied, will be called by one of
the threads after they have all entered the barrier and just prior to
releasing them all. If a 'timeout' is provided, it is used as the
default for all subsequent 'wait()' calls.
#if not isinstance(parties, int):
# raise TypeError("parties must be an integer")
if parties < 1:
raise ValueError("parties must be > 0")
"""
self._cond = Condition(Lock())
self._action = action
self._timeout = timeout
self._parties = parties
self._state = 0 # 0 filling, 1 draining, -1 resetting, -2 broken
self._count = 0CPython versions tested on:
3.13
Operating systems tested on:
Windows
Linked PRs
Bug report
Bug description:
Yes. As you see 0.5 is below 0.
To solve this problem, adding this sentence is viable.
CPython versions tested on:
3.13
Operating systems tested on:
Windows
Linked PRs
ValueErrormessages inasyncio.Barrierandthreading.Barrier(GH-129419) #129468ValueErrormessages inasyncio.Barrierandthreading.Barrier(GH-129419) #129469