mirror of https://github.com/python/cpython.git
608 lines
15 KiB
ReStructuredText
608 lines
15 KiB
ReStructuredText
.. date: 2023-09-12-16-00-42
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.. gh-issue: 109351
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.. nonce: kznGeR
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.. release date: 2023-10-02
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.. section: Core and Builtins
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Fix crash when compiling an invalid AST involving a named (walrus)
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expression.
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..
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.. date: 2023-09-10-18-53-55
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.. gh-issue: 109207
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.. nonce: Fei8bY
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.. section: Core and Builtins
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Fix a SystemError in ``__repr__`` of symtable entry object.
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..
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.. date: 2023-09-09-21-17-18
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.. gh-issue: 109179
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.. nonce: ZR8qs2
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.. section: Core and Builtins
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Fix bug where the C traceback display drops notes from :exc:`SyntaxError`.
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..
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.. date: 2023-09-07-16-05-36
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.. gh-issue: 88943
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.. nonce: rH_X3W
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.. section: Core and Builtins
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Improve syntax error for non-ASCII character that follows a numerical
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literal. It now points on the invalid non-ASCII character, not on the valid
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numerical literal.
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..
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.. date: 2023-09-05-20-52-17
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.. gh-issue: 108959
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.. nonce: 6z45Sy
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.. section: Core and Builtins
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Fix caret placement for error locations for subscript and binary operations
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that involve non-semantic parentheses and spaces. Patch by Pablo Galindo
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..
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.. date: 2023-08-30-15-41-47
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.. gh-issue: 108520
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.. nonce: u0ZGP_
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.. section: Core and Builtins
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Fix :meth:`multiprocessing.synchronize.SemLock.__setstate__` to properly
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initialize :attr:`multiprocessing.synchronize.SemLock._is_fork_ctx`. This
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fixes a regression when passing a SemLock accross nested processes.
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Rename :attr:`multiprocessing.synchronize.SemLock.is_fork_ctx` to
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:attr:`multiprocessing.synchronize.SemLock._is_fork_ctx` to avoid exposing
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it as public API.
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..
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.. date: 2023-09-28-18-53-11
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.. gh-issue: 110036
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.. nonce: fECxTj
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.. section: Library
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On Windows, multiprocessing ``Popen.terminate()`` now catchs
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:exc:`PermissionError` and get the process exit code. If the process is
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still running, raise again the :exc:`PermissionError`. Otherwise, the
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process terminated as expected: store its exit code. Patch by Victor
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Stinner.
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..
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.. date: 2023-09-28-18-50-33
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.. gh-issue: 110038
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.. nonce: nx_gCu
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.. section: Library
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Fixed an issue that caused :meth:`KqueueSelector.select` to not return all
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the ready events in some cases when a file descriptor is registered for both
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read and write.
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..
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.. date: 2023-09-25-23-00-37
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.. gh-issue: 109631
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.. nonce: eWSqpO
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.. section: Library
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:mod:`re` functions such as :func:`re.findall`, :func:`re.split`,
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:func:`re.search` and :func:`re.sub` which perform short repeated matches
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can now be interrupted by user.
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..
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.. date: 2023-09-22-20-16-44
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.. gh-issue: 109593
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.. nonce: LboaNM
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.. section: Library
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Avoid deadlocking on a reentrant call to the multiprocessing resource
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tracker. Such a reentrant call, though unlikely, can happen if a GC pass
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invokes the finalizer for a multiprocessing object such as SemLock.
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..
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.. date: 2023-09-20-17-45-46
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.. gh-issue: 109613
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.. nonce: P13ogN
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.. section: Library
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Fix :func:`os.stat` and :meth:`os.DirEntry.stat`: check for exceptions.
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Previously, on Python built in debug mode, these functions could trigger a
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fatal Python error (and abort the process) when a function succeeded with an
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exception set. Patch by Victor Stinner.
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..
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.. date: 2023-09-13-17-22-44
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.. gh-issue: 109375
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.. nonce: ijJHZ9
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.. section: Library
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The :mod:`pdb` ``alias`` command now prevents registering aliases without
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arguments.
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..
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.. date: 2023-09-11-00-32-18
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.. gh-issue: 107219
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.. nonce: 3zqyFT
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.. section: Library
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Fix a race condition in ``concurrent.futures``. When a process in the
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process pool was terminated abruptly (while the future was running or
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pending), close the connection write end. If the call queue is blocked on
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sending bytes to a worker process, closing the connection write end
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interrupts the send, so the queue can be closed. Patch by Victor Stinner.
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..
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.. date: 2023-09-09-15-08-37
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.. gh-issue: 50644
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.. nonce: JUAZOh
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.. section: Library
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Attempts to pickle or create a shallow or deep copy of :mod:`codecs` streams
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now raise a TypeError. Previously, copying failed with a RecursionError,
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while pickling produced wrong results that eventually caused unpickling to
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fail with a RecursionError.
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..
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.. date: 2023-09-08-12-09-55
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.. gh-issue: 108987
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.. nonce: x5AIG8
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.. section: Library
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Fix :func:`_thread.start_new_thread` race condition. If a thread is created
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during Python finalization, the newly spawned thread now exits immediately
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instead of trying to access freed memory and lead to a crash. Patch by
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Victor Stinner.
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..
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.. date: 2023-09-06-04-30-05
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.. gh-issue: 108843
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.. nonce: WJMhsS
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.. section: Library
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Fix an issue in :func:`ast.unparse` when unparsing f-strings containing many
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quote types.
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..
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.. date: 2023-08-30-20-10-28
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.. gh-issue: 108682
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.. nonce: c2gzLQ
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.. section: Library
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Enum: raise :exc:`TypeError` if ``super().__new__()`` is called from a
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custom ``__new__``.
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..
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.. date: 2023-08-26-12-35-39
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.. gh-issue: 105829
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.. nonce: kyYhWI
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.. section: Library
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Fix concurrent.futures.ProcessPoolExecutor deadlock
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..
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.. date: 2023-08-22-22-29-42
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.. gh-issue: 64662
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.. nonce: jHl_Bt
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.. section: Library
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Fix support for virtual tables in :meth:`sqlite3.Connection.iterdump`. Patch
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by Aviv Palivoda.
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..
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.. date: 2023-08-14-11-18-13
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.. gh-issue: 107913
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.. nonce: 4ooY6i
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.. section: Library
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Fix possible losses of ``errno`` and ``winerror`` values in :exc:`OSError`
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exceptions if they were cleared or modified by the cleanup code before
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creating the exception object.
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..
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.. date: 2023-05-22-18-39-53
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.. gh-issue: 104372
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.. nonce: 7tDRaK
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.. section: Library
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On Linux where :mod:`subprocess` can use the ``vfork()`` syscall for faster
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spawning, prevent the parent process from blocking other threads by dropping
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the GIL while it waits for the vfork'ed child process ``exec()`` outcome.
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This prevents spawning a binary from a slow filesystem from blocking the
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rest of the application.
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..
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.. date: 2022-12-24-12-50-54
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.. gh-issue: 84867
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.. nonce: OhaLbU
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.. section: Library
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:class:`unittest.TestLoader` no longer loads test cases from exact
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:class:`unittest.TestCase` and :class:`unittest.FunctionTestCase` classes.
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..
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.. date: 2023-09-10-02-39-06
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.. gh-issue: 109209
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.. nonce: 0LBewo
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.. section: Documentation
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The minimum Sphinx version required for the documentation is now 4.2.
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..
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.. date: 2023-05-29-14-10-24
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.. gh-issue: 105052
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.. nonce: MGFwbm
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.. section: Documentation
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Update ``timeit`` doc to specify that time in seconds is just the default.
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..
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.. date: 2023-03-19-09-39-31
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.. gh-issue: 102823
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.. nonce: OzsOz0
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.. section: Documentation
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Document the return type of ``x // y`` when ``x`` and ``y`` have type
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:class:`float`.
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..
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.. date: 2023-09-29-14-11-30
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.. gh-issue: 110031
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.. nonce: fQnFnc
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.. section: Tests
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Skip test_threading tests using thread+fork if Python is built with Address
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Sanitizer (ASAN). Patch by Victor Stinner.
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..
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.. date: 2023-09-29-12-48-42
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.. gh-issue: 110088
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.. nonce: qUhRga
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.. section: Tests
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Fix test_asyncio timeouts: don't measure the maximum duration, a test should
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not measure a CI performance. Only measure the minimum duration when a task
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has a timeout or delay. Add ``CLOCK_RES`` to ``test_asyncio.utils``. Patch
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by Victor Stinner.
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..
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.. date: 2023-09-28-18-14-52
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.. gh-issue: 110033
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.. nonce: 2yHMx0
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.. section: Tests
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Fix ``test_interprocess_signal()`` of ``test_signal``. Make sure that the
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``subprocess.Popen`` object is deleted before the test raising an exception
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in a signal handler. Otherwise, ``Popen.__del__()`` can get the exception
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which is logged as ``Exception ignored in: ...`` and the test fails. Patch
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by Victor Stinner.
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..
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.. date: 2023-09-28-14-47-14
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.. gh-issue: 109594
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.. nonce: DB5KPP
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.. section: Tests
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Fix test_timeout() of test_concurrent_futures.test_wait. Remove the future
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which may or may not complete depending if it takes longer than the timeout
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ot not. Keep the second future which does not complete before wait()
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timeout. Patch by Victor Stinner.
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..
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.. date: 2023-09-26-00-49-18
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.. gh-issue: 109748
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.. nonce: nxlT1i
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.. section: Tests
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Fix ``test_zippath_from_non_installed_posix()`` of test_venv: don't copy
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``__pycache__/`` sub-directories, because they can be modified by other
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Python tests running in parallel. Patch by Victor Stinner.
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..
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.. date: 2023-09-20-02-32-17
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.. gh-issue: 103053
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.. nonce: AoUJuK
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.. section: Tests
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Skip test_freeze_simple_script() of test_tools.test_freeze if Python is
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built with ``./configure --enable-optimizations``, which means with Profile
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Guided Optimization (PGO): it just makes the test too slow. The freeze tool
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is tested by many other CIs with other (faster) compiler flags. Patch by
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Victor Stinner.
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..
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.. date: 2023-09-14-22-58-47
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.. gh-issue: 109396
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.. nonce: J1a4jR
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.. section: Tests
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Fix ``test_socket.test_hmac_sha1()`` in FIPS mode. Use a longer key: FIPS
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mode requires at least of at least 112 bits. The previous key was only 32
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bits. Patch by Victor Stinner.
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..
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.. date: 2023-09-13-05-58-09
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.. gh-issue: 104736
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.. nonce: lA25Fu
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.. section: Tests
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Fix test_gdb on Python built with LLVM clang 16 on Linux ppc64le (ex: Fedora
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38). Search patterns in gdb "bt" command output to detect when gdb fails to
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retrieve the traceback. For example, skip a test if ``Backtrace stopped:
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frame did not save the PC`` is found. Patch by Victor Stinner.
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..
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.. date: 2023-09-10-22-32-20
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.. gh-issue: 109237
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.. nonce: SvgKwD
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.. section: Tests
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Fix ``test_site.test_underpth_basic()`` when the working directory contains
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at least one non-ASCII character: encode the ``._pth`` file to UTF-8 and
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enable the UTF-8 Mode to use UTF-8 for the child process stdout. Patch by
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Victor Stinner.
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..
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.. date: 2023-09-10-19-59-57
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.. gh-issue: 109230
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.. nonce: SRNLFQ
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.. section: Tests
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Fix ``test_pyexpat.test_exception()``: it can now be run from a directory
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different than Python source code directory. Before, the test failed in this
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case. Skip the test if Modules/pyexpat.c source is not available. Skip also
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the test on Python implementations other than CPython. Patch by Victor
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Stinner.
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..
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.. date: 2023-09-06-18-27-53
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.. gh-issue: 109015
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.. nonce: 1dS1AQ
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.. section: Tests
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Fix test_asyncio, test_imaplib and test_socket tests on FreeBSD if the TCP
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blackhole is enabled (``sysctl net.inet.tcp.blackhole``). Skip the few tests
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which failed with ``ETIMEDOUT`` which such non standard configuration.
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Currently, the `FreeBSD GCP image enables TCP and UDP blackhole
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<https://reviews.freebsd.org/D41751>`_ (``sysctl net.inet.tcp.blackhole=2``
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and ``sysctl net.inet.udp.blackhole=1``). Patch by Victor Stinner.
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..
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.. date: 2023-09-06-15-36-51
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.. gh-issue: 91960
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.. nonce: P3nD5v
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.. section: Tests
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Skip ``test_gdb`` if gdb is unable to retrieve Python frame objects: if a
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frame is ``<optimized out>``. When Python is built with "clang -Og", gdb can
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fail to retrive the *frame* parameter of ``_PyEval_EvalFrameDefault()``. In
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this case, tests like ``py_bt()`` are likely to fail. Without getting access
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to Python frames, ``python-gdb.py`` is mostly clueless on retrieving the
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Python traceback. Moreover, ``test_gdb`` is no longer skipped on macOS if
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Python is built with Clang. Patch by Victor Stinner.
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..
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.. date: 2023-09-05-23-00-09
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.. gh-issue: 108962
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.. nonce: R4NwuU
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.. section: Tests
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Skip ``test_tempfile.test_flags()`` if ``chflags()`` fails with "OSError:
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[Errno 45] Operation not supported" (ex: on FreeBSD 13). Patch by Victor
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Stinner.
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..
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.. date: 2023-09-04-15-18-14
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.. gh-issue: 89392
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.. nonce: 8A4T5p
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.. section: Tests
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Removed support of ``test_main()`` function in tests. They now always use
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normal unittest test runner.
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..
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.. date: 2023-09-03-21-41-10
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.. gh-issue: 108851
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.. nonce: xFTYOE
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.. section: Tests
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Fix ``test_tomllib`` recursion tests for WASI buildbots: reduce the
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recursion limit and compute the maximum nested array/dict depending on the
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current available recursion limit. Patch by Victor Stinner.
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..
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.. date: 2023-09-03-21-18-35
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.. gh-issue: 108851
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.. nonce: CCuHyI
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.. section: Tests
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Add ``get_recursion_available()`` and ``get_recursion_depth()`` functions to
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the :mod:`test.support` module. Patch by Victor Stinner.
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..
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.. date: 2023-09-02-19-06-52
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.. gh-issue: 108822
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.. nonce: arTbBI
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.. section: Tests
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``regrtest`` now computes statistics on all tests: successes, failures and
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skipped. ``test_netrc``, ``test_pep646_syntax`` and ``test_xml_etree`` now
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return results in their ``test_main()`` function. Patch by Victor Stinner
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and Alex Waygood.
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..
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.. date: 2023-08-24-06-10-36
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.. gh-issue: 108388
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.. nonce: YCVB0D
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.. section: Tests
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Convert test_concurrent_futures to a package of 7 sub-tests. Patch by Victor
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Stinner.
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..
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.. date: 2023-08-24-04-23-35
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.. gh-issue: 108388
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.. nonce: mr0MeE
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.. section: Tests
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Split test_multiprocessing_fork, test_multiprocessing_forkserver and
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test_multiprocessing_spawn into test packages. Each package is made of 4
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sub-tests: processes, threads, manager and misc. It allows running more
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tests in parallel and so reduce the total test duration. Patch by Victor
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Stinner.
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..
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.. date: 2023-06-28-02-51-08
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.. gh-issue: 101634
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.. nonce: Rayczr
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.. section: Tests
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When running the Python test suite with ``-jN`` option, if a worker stdout
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cannot be decoded from the locale encoding report a failed testn so the
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exitcode is non-zero. Patch by Victor Stinner.
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..
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.. date: 2022-12-08-00-03-37
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.. gh-issue: 100086
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.. nonce: 1zYpto
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.. section: Tests
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The Python test runner (libregrtest) now logs Python build information like
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"debug" vs "release" build, or LTO and PGO optimizations. Patch by Victor
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Stinner.
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..
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.. date: 2022-10-31-14-47-49
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.. gh-issue: 98903
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.. nonce: 7KinCV
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.. section: Tests
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The Python test suite now fails wit exit code 4 if no tests ran. It should
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help detecting typos in test names and test methods.
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..
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.. date: 2022-10-20-17-49-50
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.. gh-issue: 95027
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.. nonce: viRpJB
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.. section: Tests
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On Windows, when the Python test suite is run with the ``-jN`` option, the
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ANSI code page is now used as the encoding for the stdout temporary file,
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rather than using UTF-8 which can lead to decoding errors. Patch by Victor
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Stinner.
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..
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.. date: 2022-06-16-17-50-58
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.. gh-issue: 93353
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.. nonce: JdpATx
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.. section: Tests
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regrtest now checks if a test leaks temporary files or directories if run
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with -jN option. Patch by Victor Stinner.
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..
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.. date: 2023-09-02-18-04-15
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.. gh-issue: 63760
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.. nonce: r8hJ6q
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.. section: Build
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Fix Solaris build: no longer redefine the ``gethostname()`` function.
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Solaris defines the function since 2005. Patch by Victor Stinner, original
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patch by Jakub Kulík.
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..
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.. date: 2023-09-01-01-39-26
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.. gh-issue: 108740
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.. nonce: JHExAQ
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.. section: Build
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Fix a race condition in ``make regen-all``. The ``deepfreeze.c`` source and
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files generated by Argument Clinic are now generated or updated before
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generating "global objects". Previously, some identifiers may miss depending
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on the order in which these files were generated. Patch by Victor Stinner.
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..
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.. date: 2023-09-28-17-09-23
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.. gh-issue: 109991
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.. nonce: CIMftz
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.. section: Windows
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Update Windows build to use OpenSSL 3.0.11.
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..
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.. date: 2023-09-05-10-08-47
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.. gh-issue: 107565
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.. nonce: CIMftz
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.. section: Windows
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Update Windows build to use OpenSSL 3.0.10.
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..
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.. date: 2023-09-27-22-35-22
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.. gh-issue: 109991
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.. nonce: -xJzaF
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.. section: macOS
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Update macOS installer to use OpenSSL 3.0.11.
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..
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.. date: 2023-09-27-23-31-54
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.. gh-issue: 109991
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.. nonce: sUUYY8
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.. section: Tools/Demos
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Update GitHub CI workflows to use OpenSSL 3.0.11 and multissltests to use
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1.1.1w, 3.0.11, and 3.1.3.
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