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python/cpython
Potential Windows-specific lost event race in the implementation of time.sleep

Bug description: In the Windows-specific implementation of time.sleep there appears this code: https://github.com/python/cpython/blob/b706ff003c536c5bca24dfdd3a8917bffcfa3df1/Modules/timemodule.c#L2341-L2345 ...
type-bug
  • zackw
  • Opened 
    47 minutes ago
  • #135407

python/cpython
set.pop()

Bug report Bug description: Summary The set.pop() method almost always returns elements in the same order — typically numbers in ascending order, followed by strings. In the rare cases where the order ...
invalid
  • ConejitoRadiactivo
  • 1
  • Opened 
    2 hours ago
  • #135404

python/cpython
Add ssl module test for AWS-LC

Feature or enhancement Proposal: As a final step in this integration, I’d like to propose adding an AWS-LC CI job to CPython’s CI alongside the OpenSSL 3.x tests. We’ve tested this integration in AWS-LC’s ...
type-feature
  • WillChilds-Klein
  • Opened 
    3 hours ago
  • #135401

python/cpython
The Python IANA Media Types require modifications to adhere to recent RFCs.

Documentation The current (unregistered) IANA Media Type types for Python (text\/x-python.*): 1. https://github.com/python/cpython/blob/49d72365cd2d6c09a154a9a061efef4130e2c758/Misc/NEWS.d/3.10.0a1.rst?plain=1#L3030 ...
docs
topic-email
  • RokeJulianLockhart
  • Opened 
    7 hours ago
  • #135387

python/cpython
Unable to read sqlite3 database keys in read-only directory with Python 3.13 with shelve

Bug report Bug description: In Python 3.13, sqlite is the new default for creating databases (https://www.python.org/downloads/release/python-3130/). However, it seems that it is not possible to get ...
type-bug
  • jmcarcell
  • 1
  • Opened 
    8 hours ago
  • #135386

python/cpython
Objects with both `__slots__` and `__dict__` have much larger size than needed (up to 4x) on Python 3.13

Bug report Bug description: On Python 3.13, instances that have both __slots__ and __dict__ defined (e.g. through inheritance) can have a size that is more than four times of that in previous Python ...
3.13
3.14
3.15
interpreter-core
performance
type-bug
  • ariebovenberg
  • 3
  • Opened 
    10 hours ago
  • #135385

python/cpython
Enhance critical section held assertions for objects in free-threading

Currently the critical section held assertions on objects are not helpful as it doesn t prints the object of which the critical section should be held, it is helpful for debugging to print the object along ...
topic-free-threading
  • kumaraditya303
  • Opened 
    10 hours ago
  • #135380

python/cpython
Top-of-stack caching in the JIT

Unlike https://github.com/python/cpython/issues/131498 which was a wash for performance, TOS caching in the JIT promises substantial performance improvements. This is because we can create several stencils ...
  • markshannon
  • 2
  • Opened 
    11 hours ago
  • #135379

python/cpython
Support __index__() in getrandbits(), randbytes() and others

Feature or enhancement Support of the __index__() method in getrandbits() and randbytes() is inconsistent. - Random.getrandbits() supports __index__(), but SystemRandom.getrandbits() does not. - ...
3.15
stdlib
type-feature
  • serhiy-storchaka
  • Opened 
    11 hours ago
  • #135378

python/cpython
Fix and improve test_random

#135326 exposed the fact that there was no tests for objects implementing __index__ in test_random, even if some code in the random module explicitly support them. When trying to add more tests, I discovered ...
3.13
3.14
3.15
tests
  • serhiy-storchaka
  • Opened 
    12 hours ago
  • #135376
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