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- Update to 3.12.0rc3:

Browse Source 
- Core and Builtins
    - gh-109496: On a Python built in debug mode, Py_DECREF() now
      calls _Py_NegativeRefcount() if the object is a dangling pointer
      to deallocated memory: memory filled with 0xDD “dead byte” by
      the debug hook on memory allocators. The fix is to check the
      reference count before checking for _Py_IsImmortal(). Patch by
      Victor Stinner.
    - gh-109371: Deopted instructions correctly for tool
      initialization and modified the incorrect assertion in
      instrumentation, when a previous tool already sets INSTRUCTION
      events
    - gh-105658: Fix bug where the line trace of an except block
      ending with a conditional includes an excess event with the line
      of the conditional expression.
    - gh-109219: Fix compiling type param scopes that use a name which
      is also free in an inner scope.
    - gh-109341: Fix crash when compiling an invalid AST involving a
      ast.TypeAlias.
    - gh-109195: Fix source location for the LOAD_* instruction
      preceding a LOAD_SUPER_ATTR to load the super global (or
      shadowing variable) so that it encompasses only the name super
      and not the following parentheses.
    - gh-109118: Disallow nested scopes (lambdas, generator
      expressions, and comprehensions) within PEP 695 annotation
      scopes that are nested within classes.
    - gh-109114: Relax the detection of the error message for invalid
      lambdas inside f-strings to not search for arbitrary replacement
      fields to avoid false positives. Patch by Pablo Galindo
    - gh-109118: Fix interpreter crash when a NameError is raised

OBS-URL: https://build.opensuse.org/package/show/devel:languages:python:Factory/python312?expand=0&rev=23
This commit is contained in:
Daniel Garcia 2023-09-20 07:52:20 +00:00 committed by Git OBS Bridge
parent 6ec3b33143
commit 64144183a9
6 changed files with 293 additions and 22 deletions
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-------------------------------------------------------------------
Wed Sep 20 07:14:17 UTC 2023 - Daniel Garcia <daniel.garcia@suse.com>
- Update to 3.12.0rc3:
- Core and Builtins
- gh-109496: On a Python built in debug mode, Py_DECREF() now
calls _Py_NegativeRefcount() if the object is a dangling pointer
to deallocated memory: memory filled with 0xDD “dead byte” by
the debug hook on memory allocators. The fix is to check the
reference count before checking for _Py_IsImmortal(). Patch by
Victor Stinner.
- gh-109371: Deopted instructions correctly for tool
initialization and modified the incorrect assertion in
instrumentation, when a previous tool already sets INSTRUCTION
events
- gh-105658: Fix bug where the line trace of an except block
ending with a conditional includes an excess event with the line
of the conditional expression.
- gh-109219: Fix compiling type param scopes that use a name which
is also free in an inner scope.
- gh-109341: Fix crash when compiling an invalid AST involving a
ast.TypeAlias.
- gh-109195: Fix source location for the LOAD_* instruction
preceding a LOAD_SUPER_ATTR to load the super global (or
shadowing variable) so that it encompasses only the name super
and not the following parentheses.
- gh-109118: Disallow nested scopes (lambdas, generator
expressions, and comprehensions) within PEP 695 annotation
scopes that are nested within classes.
- gh-109114: Relax the detection of the error message for invalid
lambdas inside f-strings to not search for arbitrary replacement
fields to avoid false positives. Patch by Pablo Galindo
- gh-109118: Fix interpreter crash when a NameError is raised
inside the type parameters of a generic class.
- gh-108976: Fix crash that occurs after de-instrumenting a code
object in a monitoring callback.
- gh-108732: Make iteration variables of module- and class-scoped
comprehensions visible to pdb and other tools that use
frame.f_locals again.
- gh-108959: Fix caret placement for error locations for subscript
and binary operations that involve non-semantic parentheses and
spaces. Patch by Pablo Galindo
- Library
- gh-108682: Enum: require names=() or type=... to create an empty
enum using the functional syntax.
- gh-108843: Fix an issue in ast.unparse() when unparsing
f-strings containing many quote types.
- Documentation
- gh-102823: Document the return type of x // y when x and y have
type float.
- Tests
- gh-109396: Fix test_socket.test_hmac_sha1() in FIPS mode. Use a
longer key: FIPS mode requires at least of at least 112 bits.
The previous key was only 32 bits. Patch by Victor Stinner.
- gh-104736: Fix test_gdb on Python built with LLVM clang 16 on
Linux ppc64le (ex: Fedora 38). Search patterns in gdb “bt”
command output to detect when gdb fails to retrieve the
traceback. For example, skip a test if Backtrace stopped: frame
did not save the PC is found. Patch by Victor Stinner.
- gh-109237: Fix test_site.test_underpth_basic() when the working
directory contains at least one non-ASCII character: encode the
._pth file to UTF-8 and enable the UTF-8 Mode to use UTF-8 for
the child process stdout. Patch by Victor Stinner.
- gh-109230: Fix test_pyexpat.test_exception(): it can now be run
from a directory different than Python source code directory.
Before, the test failed in this case. Skip the test if
Modules/pyexpat.c source is not available. Skip also the test on
Python implementations other than CPython. Patch by Victor
Stinner.
- gh-109015: Fix test_asyncio, test_imaplib and test_socket tests
on FreeBSD if the TCP blackhole is enabled (sysctl
net.inet.tcp.blackhole). Skip the few tests which failed with
ETIMEDOUT which such non standard configuration. Currently, the
FreeBSD GCP image enables TCP and UDP blackhole (sysctl
net.inet.tcp.blackhole=2 and sysctl net.inet.udp.blackhole=1).
Patch by Victor Stinner.
- gh-91960: Skip test_gdb if gdb is unable to retrieve Python
frame objects: if a frame is <optimized out>. When Python is
built with “clang -Og”, gdb can fail to retrive the frame
parameter of _PyEval_EvalFrameDefault(). In this case, tests
like py_bt() are likely to fail. Without getting access to
Python frames, python-gdb.py is mostly clueless on retrieving
the Python traceback. Moreover, test_gdb is no longer skipped on
macOS if Python is built with Clang. Patch by Victor Stinner.
- gh-108962: Skip test_tempfile.test_flags() if chflags() fails
with “OSError: [Errno 45] Operation not supported” (ex: on
FreeBSD 13). Patch by Victor Stinner.
- gh-108851: Fix test_tomllib recursion tests for WASI buildbots:
reduce the recursion limit and compute the maximum nested
array/dict depending on the current available recursion limit.
Patch by Victor Stinner.
- gh-108851: Add get_recursion_available() and
get_recursion_depth() functions to the test.support module.
Patch by Victor Stinner.
- gh-108834: Add --fail-rerun option option to regrtest: if a test
failed when then passed when rerun in verbose mode, exit the
process with exit code 2 (error), instead of exit code 0
(success). Patch by Victor Stinner.
- gh-108834: Rename regrtest --verbose2 option (-w) to --rerun.
Keep --verbose2 as a deprecated alias. Patch by Victor Stinner.
- gh-108834: When regrtest reruns failed tests in verbose mode
(./python -m test --rerun), tests are now rerun in fresh worker
processes rather than being executed in the main process. If a
test does crash or is killed by a timeout, the main process can
detect and handle the killed worker process. Tests are rerun in
parallel if the -jN option is used to run tests in parallel.
Patch by Victor Stinner.
- gh-103186: Suppress and assert expected RuntimeWarnings in
test_sys_settrace.py
- Build
- gh-108740: Fix a race condition in make regen-all. The
deepfreeze.c source and files generated by Argument Clinic are
now generated or updated before generating “global objects”.
Previously, some identifiers may miss depending on the order in
which these files were generated. Patch by Victor Stinner.
- Python 3.12.0 release candidate 2:
- Security
- gh-108310: Fixed an issue where instances of ssl.SSLSocket were
vulnerable to a bypass of the TLS handshake and included
protections (like certificate verification) and treating sent
unencrypted data as if it were post-handshake TLS encrypted
data. Security issue reported as CVE-2023-40217 by Aapo Oksman.
Patch by Gregory P. Smith.
- gh-107774: PEP 669 specifies that
sys.monitoring.register_callback will generate an audit event.
Pre-releases of Python 3.12 did not generate the audit event.
This is now fixed.
- Core and Builtins
- gh-108520: Fix
multiprocessing.synchronize.SemLock.__setstate__() to properly
initialize multiprocessing.synchronize.SemLock._is_fork_ctx.
This fixes a regression when passing a SemLock accross nested
processes.
- Rename multiprocessing.synchronize.SemLock.is_fork_ctx to
multiprocessing.synchronize.SemLock._is_fork_ctx to avoid
exposing it as public API.
- gh-108654: Restore locals shadowed by an inlined comprehension
if the comprehension raises an exception.
- gh-108487: Change an assert that would cause a spurious crash in
a devious case that should only trigger deoptimization.
- gh-106176: Use a WeakValueDictionary to track the lists
containing the modules each thread is currently importing. This
helps avoid a reference leak from keeping the list around longer
than necessary. Weakrefs are used as GC can’t interrupt the
cleanup.
- gh-107901: Fix missing line number on JUMP_BACKWARD at the end
of a for loop.
- gh-108390: Raise an exception when setting a non-local event
(RAISE, EXCEPTION_HANDLED, etc.) in
sys.monitoring.set_local_events.
- Fixes crash when tracing in recursive calls to Python classes.
- gh-91051: Fix abort / segfault when using all eight type watcher
slots, on platforms where char is signed by default.
- gh-107724: In pre-release versions of 3.12, up to rc1, the
sys.monitoring callback function for the PY_THROW event was
missing the third, exception argument. That is now fixed.
- gh-107080: Trace refs builds (--with-trace-refs) were crashing
when used with isolated subinterpreters. The problematic global
state has been isolated to each interpreter. Other fixing the
crashes, this change does not affect users.
- gh-77377: Ensure that multiprocessing synchronization objects
created in a fork context are not sent to a different process
created in a spawn context. This changes a segfault into an
actionable RuntimeError in the parent process.
- Library
- gh-108469: ast.unparse() now supports new f-string syntax
introduced in Python 3.12. Note that the f-string quotes are
reselected for simplicity under the new syntax. (Patch by Steven
Sun)
- gh-108682: Enum: raise TypeError if super().__new__() is called
from a custom __new__.
- gh-108295: Fix crashes related to use of weakrefs on
typing.TypeVar.
- gh-64662: Fix support for virtual tables in
sqlite3.Connection.iterdump(). Patch by Aviv Palivoda.
- gh-108111: Fix a regression introduced in gh-101251 for 3.12,
resulting in an incorrect offset calculation in
gzip.GzipFile.seek().
- gh-105736: Harmonized the pure Python version of OrderedDict
with the C version. Now, both versions set up their internal
state in __new__. Formerly, the pure Python version did the set
up in __init__.
- gh-108083: Fix bugs in the constructor of sqlite3.Connection and
sqlite3.Connection.close() where exceptions could be leaked.
Patch by Erlend E. Aasland.
- gh-107963: Fix multiprocessing.set_forkserver_preload() to check
the given list of modules names. Patch by Dong-hee Na.
- gh-106242: Fixes os.path.normpath() to handle embedded null
characters without truncating the path.
- gh-107913: Fix possible losses of errno and winerror values in
OSError exceptions if they were cleared or modified by the
cleanup code before creating the exception object.
- gh-107845: tarfile.data_filter() now takes the location of
symlinks into account when determining their target, so it will
no longer reject some valid tarballs with
LinkOutsideDestinationError.
- gh-107805: Fix signatures of module-level generated functions in
turtle.
- gh-107715: Fix doctest.DocTestFinder.find() in presence of class
names with special characters. Patch by Gertjan van Zwieten.
- gh-100814: Passing a callable object as an option value to a
Tkinter image now raises the expected TclError instead of an
AttributeError.
- gh-106684: Close asyncio.StreamWriter when it is not closed by
application leading to memory leaks. Patch by Kumar Aditya.
- gh-107396: tarfiles; Fixed use before assignment of
self.exception for gzip decompression
- gh-106052: re module: fix the matching of possessive quantifiers
in the case of a subpattern containing backtracking.
- gh-100061: Fix a bug that causes wrong matches for regular
expressions with possessive qualifier.
- gh-99203: Restore following CPython <= 3.10.5 behavior of
shutil.make_archive(): do not create an empty archive if
root_dir is not a directory, and, in that case, raise
FileNotFoundError or NotADirectoryError regardless of format
choice. Beyond the brought-back behavior, the function may now
also raise these exceptions in dry_run mode.
- Documentation
- gh-105052: Update timeit doc to specify that time in seconds is just the default.
- Tests
- gh-89392: Removed support of test_main() function in tests. They
now always use normal unittest test runner.
- gh-108388: Convert test_concurrent_futures to a package of 7
sub-tests. Patch by Victor Stinner.
- gh-108388: Split test_multiprocessing_fork,
test_multiprocessing_forkserver and test_multiprocessing_spawn
into test packages. Each package is made of 4 sub-tests:
processes, threads, manager and misc. It allows running more
tests in parallel and so reduce the total test duration. Patch
by Victor Stinner.
- gh-105776: Fix test_cppext when the C compiler command -std=c11
option: remove -std= options from the compiler command. Patch by
Victor Stinner.
- gh-107178: Add the C API test for functions in the Mapping
Protocol, the Sequence Protocol and some functions in the Object
Protocol.
- Build
- gh-63760: Fix Solaris build: no longer redefine the
gethostname() function. Solaris defines the function since 2005.
Patch by Victor Stinner, original patch by Jakub Kulík.
- gh-107814: When calling find_python.bat with -q it did not
properly silence the output of nuget. That is now fixed.
- Windows
- gh-107565: Update Windows build to use OpenSSL 3.0.10.
- gh-106242: Fixes realpath() to behave consistently when passed a
path containing an embedded null character on Windows. In strict
mode, it now raises OSError instead of the unexpected
ValueError, and in non-strict mode will make the path absolute.
- gh-106844: Fix integer overflow and truncating by the null
character in _winapi.LCMapStringEx() which affects
ntpath.normcase().
- macOS
- gh-107565: Update macOS installer to use OpenSSL 3.0.10.
- Tools/Demos
- gh-107565: Update multissltests and GitHub CI workflows to use
OpenSSL 1.1.1v, 3.0.10, and 3.1.2.
- gh-95065: Argument Clinic now supports overriding automatically
generated signature by using directive @text_signature.
- C API
- gh-107916: C API functions PyErr_SetFromErrnoWithFilename(),
PyErr_SetExcFromWindowsErrWithFilename() and
PyErr_SetFromWindowsErrWithFilename() save now the error code
before calling PyUnicode_DecodeFSDefault().
- gh-107915: Such C API functions as PyErr_SetString(),
PyErr_Format(), PyErr_SetFromErrnoWithFilename() and many others
no longer crash or ignore errors if it failed to format the
error message or decode the filename. Instead, they keep a
corresponding error.
- gh-107810: Improve DeprecationWarning for uses of PyType_Spec
with metaclasses that have custom tp_new.
-------------------------------------------------------------------
Thu Aug 10 09:33:26 UTC 2023 - Dirk Müller <dmueller@suse.com>

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@ -105,7 +105,7 @@
%define dynlib() %{sitedir}/lib-dynload/%{1}.cpython-%{abi_tag}-%{archname}-%{_os}%{?_gnu}%{?armsuffix}.so
%bcond_without profileopt
Name: %{python_pkg_name}%{psuffix}
Version: 3.12.0rc1
Version: 3.12.0rc3
Release: 0
Summary: Python 3 Interpreter
License: Python-2.0