Name: python312-doc	Distribution: openSUSE Tumbleweed
Version: 3.12.7	Vendor: openSUSE
Release: 4.1	Build date: Thu Nov 28 23:20:25 2024
Group: Unspecified	Build host: reproducible
Size: 74753156	Source RPM: python312-documentation-3.12.7-4.1.src.rpm
Packager: http://bugs.opensuse.org
Url: https://www.python.org/
Summary: Package Documentation for Python 3

Tutorial, Global Module Index, Language Reference, Library Reference,
Extending and Embedding Reference, Python/C API Reference, Documenting
Python, and Macintosh Module Reference in HTML format.

Provides

Requires

License

Python-2.0

Changelog

* Thu Nov 28 2024 Matej Cepl <[email protected]>
- Update doc-py38-to-py36.patch to include str.removeprefix
replacement.
* Thu Nov 14 2024 Matej Cepl <[email protected]>
- Remove -IVendor/ from python-config boo#1231795
* Thu Oct 24 2024 Matej Cepl <[email protected]>
- Add CVE-2024-9287-venv_path_unquoted.patch to properly quote
path names provided when creating a virtual environment
(bsc#1232241, CVE-2024-9287)
* Tue Oct 01 2024 Matej Cepl <[email protected]>
- Update to 3.12.7:
- Tests
- gh-124378: Updated test_ttk to pass with Tcl/Tk 8.6.15.
- Security
- gh-122792: Changed IPv4-mapped ipaddress.IPv6Address to
consistently use the mapped IPv4 address value for deciding
properties. Properties which have their behavior fixed are
is_multicast, is_reserved, is_link_local, is_global, and
is_unspecified.
- Library
- gh-116850: Fix argparse for namespaces with not directly
writable dict (e.g. classes).
- gh-58573: Fix conflicts between abbreviated long options in
the parent parser and subparsers in argparse.
- gh-61181: Fix support of choices with string value in
argparse. Substrings of the specified string no longer
considered valid values.
- gh-80259: Fix argparse support of positional arguments with
nargs='?', default=argparse.SUPPRESS and specified type.
- gh-124498: Fix typing.TypeAliasType not to be generic, when
type_params is an empty tuple.
- gh-124345: argparse vim supports abbreviated single-dash
long options separated by = from its value.
- gh-104860: Fix disallowing abbreviation of single-dash long
options in argparse with allow_abbrev=False.
- gh-63143: Fix parsing mutually exclusive arguments in
argparse. Arguments with the value identical to the default
value (e.g. booleans, small integers, empty or 1-character
strings) are no longer considered “not present”.
- gh-72795: Positional arguments with nargs equal to '*' or
argparse.REMAINDER are no longer required. This allows to
use positional argument with nargs='*' and without default
in mutually exclusive group and improves error message
about required arguments.
- gh-59317: Fix parsing positional argument with nargs equal
to '?' or '*' if it is preceded by an option and another
positional argument.
- gh-53780: argparse now ignores the first "--" (double dash)
between an option and command.
- gh-124217: Add RFC 9637 reserved IPv6 block 3fff::/20 in
ipaddress module.
- gh-124248: Fixed potential crash when using struct to
process zero-width ‘Pascal string’ fields (0p).
- gh-81691: Fix handling of multiple "--" (double dashes)
in argparse. Only the first one has now been removed, all
subsequent ones are now taken literally.
- gh-87041: Fix a bug in argparse where lengthy subparser
argument help is incorrectly indented.
- gh-124171: Add workaround for broken fmod() implementations
on Windows, that loose zero sign (e.g. fmod(-10, 1) returns
0.0). Patch by Sergey B Kirpichev.
- gh-123934: Fix unittest.mock.MagicMock reseting magic
methods return values after .reset_mock(return_value=True)
was called.
- gh-123935: Fix parent slots detection for dataclasses that
inherit from classes with __dictoffset__.
- gh-123892: Add "_wmi" to sys.stdlib_module_names. Patch by
Victor Stinner.
- gh-116810: Resolve a memory leak introduced in CPython
3.10’s ssl when the ssl.SSLSocket.session property was
accessed. Speeds up read and write access to said property
by no longer unnecessarily cloning session objects via
serialization.
- gh-121735: When working with zip archives,
importlib.resources now properly honors module-adjacent
references (e.g. files(pkg.mod) and not just files(pkg)).
- gh-119004: Fix a crash in OrderedDict.__eq__ when operands
are mutated during the check. Patch by Bénédikt Tran.
- bpo-44864: Do not translate user-provided strings in
argparse.ArgumentParser.
- IDLE
- gh-112938: Fix uninteruptable hang when Shell gets rapid
continuous output.
- Core and Builtins
- gh-116510: Fix a bug that can cause a crash when
sub-interpreters use “basic” single-phase extension
modules. Shared objects could refer to PyGC_Head nodes that
had been freed as part of interpreter cleanup.
- gh-124188: Fix reading and decoding a line from the source
file witn non-UTF-8 encoding for syntax errors raised in
the compiler.
- gh-77894: Fix possible crash in the garbage collector when
it tries to break a reference loop containing a memoryview
object. Now a memoryview object can only be cleared if
there are no buffers that refer it.
- gh-98442: Fix too wide source locations of the cleanup
instructions of a with statement.
- gh-113993: Strings interned with sys.intern() are again
garbage-collected when no longer used, as per the
documentation. Strings interned with the C function
PyUnicode_InternInPlace() are still immortal. Internals of
the string interning mechanism have been changed. This may
affect performance and identities of str objects.
- C API
- gh-113993: PyUnicode_InternInPlace() no longer prevents its
argument from being garbage collected.
- Several functions that take char * are now documented
as possibly preventing string objects from being
garbage collected; refer to their documentation
for details: PyUnicode_InternFromString(),
PyDict_SetItemString(), PyObject_SetAttrString(),
PyObject_DelAttrString(), PyUnicode_InternFromString(), and
PyModule_Add* convenience functions.
- Build
- gh-124487: Windows builds now use Windows 8.1 as their API
baseline (installation already required Windows 8.1).
- gh-123917: Fix the check for the crypt() function in the
configure script. Patch by Paul Smith and Victor Stinner.
- Change previous removal of *.pyc files with rm -f instead of
||/bin/true (bsc#1230906).
* Mon Sep 30 2024 Bernhard Wiedemann <[email protected]>
- Drop .pyc files from docdir for reproducible builds
* Fri Sep 13 2024 Matej Cepl <[email protected]>
- Add doc-py38-to-py36.patch making building documentation
compatible with Python 3.6, which runs Sphinx on SLE.
* Sat Sep 07 2024 Matej Cepl <[email protected]>
- Update to 3.12.6:
- Tests
- gh-101525: Skip test_gdb if the binary is relocated by
BOLT. Patch by Donghee Na.
- Security
- gh-123678: Upgrade libexpat to 2.6.3
- gh-121285: Remove backtracking from tarfile header parsing
for hdrcharset, PAX, and GNU sparse headers (bsc#1230227,
CVE-2024-6232).
- Library
- gh-123270: Applied a more surgical fix for malformed
payloads in zipfile.Path causing infinite loops (gh-122905)
without breaking contents using legitimate characters
(bsc#1229704, CVE-2024-8088).
- gh-123213: xml.etree.ElementTree.Element.extend() and
Element assignment no longer hide the internal exception if
an erronous generator is passed. Patch by Bar Harel.
- gh-85110: Preserve relative path in URL without netloc in
urllib.parse.urlunsplit() and urllib.parse.urlunparse().
- gh-123067: Fix quadratic complexity in parsing "-quoted
cookie values with backslashes by http.cookies
(bsc#1229596, CVE-2024-7592)
- gh-122903: zipfile.Path.glob now correctly matches
directories instead of silently omitting them.
- gh-122905: zipfile.Path objects now sanitize names from the
zipfile.
- gh-122695: Fixed double-free when using gc.get_referents()
with a freed asyncio.Future iterator.
- gh-116263: logging.handlers.RotatingFileHandler no longer
rolls over empty log files.
- gh-118814: Fix the typing.TypeVar constructor when name is
passed by keyword.
- gh-122478: Remove internal frames from tracebacks
shown in code.InteractiveInterpreter with non-default
sys.excepthook(). Save correct tracebacks in
sys.last_traceback and update __traceback__ attribute of
sys.last_value and sys.last_exc.
- gh-113785: csv now correctly parses numeric fields (when
used with csv.QUOTE_NONNUMERIC) which start with an escape
character.
- gh-112182: asyncio.futures.Future.set_exception() now
transforms StopIteration into RuntimeError instead of
hanging or other misbehavior. Patch contributed by Jamie
Phan.
- gh-108172: webbrowser honors OS preferred browser on Linux
when its desktop entry name contains the text of a known
browser name.
- gh-102988: email.utils.getaddresses() and
email.utils.parseaddr() now return ('', '') 2-tuples
in more situations where invalid email addresses are
encountered instead of potentially inaccurate values. Add
optional strict parameter to these two functions: use
strict=False to get the old behavior, accept malformed
inputs. getattr(email.utils, 'supports_strict_parsing',
False) can be use to check if the strict paramater is
available. Patch by Thomas Dwyer and Victor Stinner to
improve the CVE-2023-27043 fix.
- gh-99437: runpy.run_path() now decodes path-like objects,
making sure __file__ and sys.argv[0] of the module being
run are always strings.
- IDLE
- gh-120083: Add explicit black IDLE Hovertip foreground
color needed for recent macOS. Fixes Sonoma showing
unreadable white on pale yellow. Patch by John Riggles.
- Core and Builtins
- gh-123321: Prevent Parser/myreadline race condition from
segfaulting on multi-threaded use. Patch by Bar Harel and
Amit Wienner.
- gh-122982: Extend the deprecation period for bool inversion
(~) by two years.
- gh-123229: Fix valgrind warning by initializing the
f-string buffers to 0 in the tokenizer. Patch by Pablo
Galindo
- gh-123142: Fix too-wide source location in exception
tracebacks coming from broken iterables in comprehensions.
- gh-123048: Fix a bug where pattern matching code could emit
a JUMP_FORWARD with no source location.
- gh-123083: Fix a potential use-after-free in
STORE_ATTR_WITH_HINT.
- gh-122527: Fix a crash that occurred when a
PyStructSequence was deallocated after its type’s
dictionary was cleared by the GC. The type’s tp_basicsize
now accounts for non-sequence fields that aren’t included
in the Py_SIZE of the sequence.
- gh-93691: Fix source locations of instructions generated
for with statements.
- Build
- gh-123297: Propagate the value of LDFLAGS to LDCXXSHARED in
sysconfig. Patch by Pablo Galindo
- Remove upstreamed patches:
- CVE-2023-27043-email-parsing-errors.patch
- CVE-2024-8088-inf-loop-zipfile_Path.patch
- CVE-2023-6597-TempDir-cleaning-symlink.patch
- gh120226-fix-sendfile-test-kernel-610.patch
* Mon Sep 02 2024 Matej Cepl <[email protected]>
- Add gh120226-fix-sendfile-test-kernel-610.patch to avoid
failing test_sendfile_close_peer_in_the_middle_of_receiving
tests on Linux >= 6.10 (GH-120227).
* Wed Aug 28 2024 Matej Cepl <[email protected]>
- Add CVE-2024-8088-inf-loop-zipfile_Path.patch to prevent
malformed payload to cause infinite loops in zipfile.Path
(bsc#1229704, CVE-2024-8088).
* Wed Aug 07 2024 Matej Cepl <[email protected]>
- Update to 3.12.5:
- Tests
- gh-59022: Add tests for pkgutil.extend_path(). Patch by
Andreas Stocker.
- gh-99242: os.getloadavg() may throw OSError when
running regression tests under certain conditions (e.g.
chroot). This error is now caught and ignored, since
reporting load average is optional.
- gh-121084: Fix test_typing random leaks. Clear typing ABC
caches when running tests for refleaks (-R option): call
_abc_caches_clear() on typing abstract classes and their
subclasses. Patch by Victor Stinner.
- gh-121160: Add a test for
readline.set_history_length(). Note that this test may fail
on readline libraries.
- gh-121200: Fix test_expanduser_pwd2() of
test_posixpath. Call getpwnam() to get pw_dir, since it
can be different than getpwall() pw_dir. Patch by Victor
Stinner.
- gh-121188: When creating the JUnit XML file, regrtest
now escapes characters which are invalid in XML, such
as the chr(27) control character used in ANSI escape
sequences. Patch by Victor Stinner.
- Security
- gh-121957: Fixed missing audit events around interactive
use of Python, now also properly firing for python -i, as
well as for python -m asyncio. The event in question is
cpython.run_stdin.
- gh-122133: Authenticate the socket connection for the
socket.socketpair() fallback on platforms where AF_UNIX is
not available like Windows.
- Patch by Gregory P. Smith <[email protected]> and Seth Larson
<[email protected]>. Reported by Ellie <[email protected]>
- Library
- gh-122744: Bump the version of pip bundled in ensurepip to
version 24.2.
- gh-122334: Fix crash when importing ssl after the main
interpreter restarts.
- gh-87320: In code.InteractiveInterpreter, handle exceptions
caused by calling a non-default sys.excepthook(). Before,
the exception bubbled up to the caller, ending the REPL.
- gh-122400: Handle ValueErrors raised by os.stat() in
filecmp.dircmp and filecmp.cmpfiles(). Patch by Bénédikt
Tran.
- gh-122311: Fix some error messages in pickle.
- gh-121650: email headers with embedded newlines are
now quoted on output. The generator will now refuse to
serialize (write) headers that are unsafely folded or
delimited; see verify_generated_headers. (Contributed by
Bas Bloemsaat and Petr Viktorin in gh-121650; bsc#1228780,
CVE-2024-6923).
- gh-122332: Fixed segfault with asyncio.Task.get_coro() when
using an eager task factory.
- gh-122170: Handle ValueErrors raised by os.stat() in
linecache. Patch by Bénédikt Tran.
- gh-121723: Make logging.config.dictConfig() accept any
object implementing the Queue public API. See the queue
configuration section for details. Patch by Bénédikt Tran.
- gh-82951: Serializing objects with complex __qualname__
(such as unbound methods and nested classes) by name no
longer involves serializing parent objects by value in
pickle protocols < 4.
- gh-120930: Fixed a bug introduced by gh-92081 that added an
incorrect extra blank to encoded words occurring in wrapped
headers.
- gh-121474: Fix missing sanity check for parties arg in
threading.Barrier constructor. Patch by Clinton Christian
(pygeek).
- gh-121025: Improve the __repr__() of
functools.partialmethod. Patch by Bénédikt Tran.
- gh-121018: Fixed issues where
argparse.ArgumentParser.parse_args() did not honor
exit_on_error=False. Based on patch by Ben Hsing.
- gh-119614: Fix truncation of strings with embedded null
characters in some internal operations in tkinter.
- gh-120910: When reading installed files from an egg, use
relative_to(walk_up=True) to honor files installed outside
of the installation root.
- gh-101830: Accessing the tkinter object’s string
representation no longer converts the underlying Tcl object
to a string on Windows.
- gh-120811: Fix possible memory leak in
contextvars.Context.run().
- gh-120769: Make empty line in pdb repeats the last command
even when the command is from cmdqueue.
- gh-120732: Fix name passing to unittest.mock.Mock object
when using unittest.mock.create_autospec().
- gh-120495: Fix incorrect exception handling in Tab
Nanny. Patch by Wulian233.
- gh-120343: Fix column offset reporting for tokens that come
after multiline f-strings in the tokenize module.
- gh-119600: Fix unittest.mock.patch() to not read attributes
of the target when new_callable is set. Patch by Robert
Collins.
- gh-120289: Fixed the use-after-free issue in cProfile by
disallowing disable() and clear() in external timers.
- gh-114053: Fix edge-case bug where typing.get_type_hints()
would produce incorrect results if type parameters in a
class scope were overridden by assignments in a class scope
and from __future__ import annotations semantics were
enabled. Patch by Alex Waygood.
- gh-114053: Fix erroneous NameError when calling
inspect.get_annotations() with eval_str=True` on a class
that made use of PEP 695 type parameters in a module that
had from __future__ import annotations at the top of the
file. Patch by Alex Waygood.
- gh-120268: Prohibit passing None to pure-Python
datetime.date.fromtimestamp() to achieve consistency with
C-extension implementation.
- gh-120244: Fix memory leak in re.sub() when the replacement
string contains backreferences.
- gh-120211: Fix tkinter.ttk with Tcl/Tk 9.0.
- gh-71587: Fix crash in C version of
datetime.datetime.strptime() when called again on the
restarted interpreter.
- gh-117983: Defer the threading import in importlib.util
until lazy loading is used.
- gh-119698: Fix symtable.Class.get_methods() and document
its behaviour. Patch by Bénédikt Tran.
- gh-120121: Add concurrent.futures.InvalidStateError to
module’s __all__.
- gh-112672: Support building tkinter with Tcl 9.0.
- gh-65454: unittest.mock.Mock.attach_mock() no longer
triggers a call to a PropertyMock being attached.
- gh-81936: help() and showtopic() methods now respect a
configured output argument to pydoc.Helper and not use the
pager in such cases. Patch by Enrico Tröger.
- gh-119577: The DeprecationWarning emitted when testing
the truth value of an xml.etree.ElementTree.Element now
describes unconditionally returning True in a future
version rather than raising an exception in Python 3.14.
- gh-119506: Fix io.TextIOWrapper.write() method breaks
internal buffer when the method is called again during
flushing internal buffer.
- gh-119189: When using the ** operator or pow() with
Fraction as the base and an exponent that is not rational,
a float, or a complex, the fraction is no longer converted
to a float.
- gh-105623: Fix performance degradation in
logging.handlers.RotatingFileHandler. Patch by Craig
Robson.
- bpo-39324: Add mime type mapping for .md <-> text/markdown
- IDLE
- gh-122482: Change About IDLE to direct users to
discuss.python.org instead of the now unused idle-dev email
and mailing list.
- gh-78889: Stop Shell freezes by blocking user access to
non-method sys.stdout.shell attributes, which are all
private.
- gh-120104: Fix padding in config and search dialog windows
in IDLE.
- Documentation
- gh-121749: Fix documentation for PyModule_AddObjectRef().
- gh-120012: Clarify the behaviours of
multiprocessing.Queue.empty() and
multiprocessing.SimpleQueue.empty() on closed queues. Patch
by Bénédikt Tran.
- gh-121871: Documentation HTML varies from timestamp. Patch by
Bernhard M. Wiedemann (bsc#1227999).
- Core and Builtins
- gh-122208: Dictionary watchers now only deliver the
PyDict_EVENT_ADDED event when the insertion is in a known
good state to succeed.
- gh-122300: Preserve AST nodes for f-string with
single-element format specifiers. Patch by Pablo Galindo
- gh-122029: Emit c_call events in sys.setprofile() when a
PyMethodObject pointing to a PyCFunction is called.
- gh-122026: Fix a bug that caused the tokenizer to not
correctly identify mismatched parentheses inside f-strings
in some situations. Patch by Pablo Galindo
- gh-121657: Improve the SyntaxError message if the user
tries to use yield from outside a function.
- gh-117482: Unexpected slot wrappers are no longer created
for builtin static types in subinterpreters.
- gh-121439: Allow tuples of length 20 in the freelist to be
reused.
- gh-121130: Fix f-strings with debug expressions in format
specifiers. Patch by Pablo Galindo
- gh-120722: Correctly set the bytecode position on return
instructions within lambdas. Patch by Jelle Zijlstra.
- gh-120384: Fix an array out of bounds crash in
list_ass_subscript, which could be invoked via some
specificly tailored input: including concurrent
modification of a list object, where one thread assigns a
slice and another clears it.
- gh-120380: Fix Python implementation of pickle.Pickler for
bytes and bytearray objects when using protocol version
5. Patch by Bénédikt Tran.
- gh-93691: Fix source locations of instructions generated
for the iterator of a for statement.
- gh-120198: Fix a crash when multiple threads read and write
to the same __class__ of an object concurrently.
- gh-120298: Fix use-after free in list_richcompare_impl
which can be invoked via some specificly tailored evil
input.
- gh-119666: Fix a compiler crash in the case where two
comprehensions in class scope both reference __class__.
- bpo-24766: Fix handling of doc argument to subclasses of
property.
- Build
- gh-120671: Fix failing configure tests due to a missing
space when appending to CFLAGS.
- gh-115983: Skip building test modules that must be built as
shared under WASI.
* Wed Aug 07 2024 Matej Cepl <[email protected]>
- %{profileopt} variable is set according to the variable
%{do_profiling} (bsc#1227999)
- Update bluez-devel-vendor.tar.xz
* Mon Jul 22 2024 Matej Cepl <[email protected]>
- Remove %suse_update_desktop_file macro as it is not useful any
more.
* Thu Jul 04 2024 Matej Cepl <[email protected]>
- Stop using %%defattr, it seems to be breaking proper executable
attributes on /usr/bin/ scripts (bsc#1227378).
* Tue Jul 02 2024 Daniel Garcia <[email protected]>
- Add F00251-change-user-install-location.patch to make pip and
modern tools install directly in /usr/local when used by the user.
bsc#1225660
* Wed Jun 26 2024 Matej Cepl <[email protected]>
- Add docs-docutils_014-Sphinx_420.patch make building docs
compatible with Sphinx 4_2_0 and docutils 0.14.
* Wed Jun 26 2024 Andreas Schwab <[email protected]>
- Update import_failed.map for python 3.12
* Mon Jun 24 2024 Andreas Schwab <[email protected]>
- Reenable test_multiprocessing_forkserver test_multiprocessing_spawn
test_subprocess tests in qemu build
* Fri Jun 07 2024 Matej Cepl <[email protected]>
- Update to 3.12.4:
- Security
- gh-118486: os.mkdir() on Windows now accepts mode of 0o700
to restrict the new directory to the current user. This
fixes CVE-2024-4030 affecting tempfile.mkdtemp() in
scenarios where the base temporary directory is more
permissive than the default (bsc#1227152).
- gh-116741: Update bundled libexpat to 2.6.2
- gh-117233: Detect BLAKE2, SHA3, Shake, & truncated SHA512
support in the OpenSSL-ish libcrypto library at build
time. This allows hashlib to be used with libraries that do
not to support every algorithm that upstream OpenSSL does.
- Core and Builtins
- gh-119821: Fix execution of annotation scopes within
classes when globals is set to a non-dict. Patch by Jelle
Zijlstra.
- gh-118263: Speed up os.path.normpath() with a direct C
call.
- gh-119311: Fix bug where names are unexpectedly mangled in
the bases of generic classes.
- gh-119395: Fix bug where names appearing after a generic
class are mangled as if they are in the generic class.
- gh-118507: Fix os.path.isfile() on Windows for pipes.
- gh-119213: Non-builtin modules built with argument clinic
were crashing if used in a subinterpreter before the main
interpreter. The objects that were causing the problem by
leaking between interpreters carelessly have been fixed.
- gh-119011: Fixes type.__type_params__ to return an empty
tuple instead of a descriptor.
- gh-118997: Fix _Py_ClearImmortal() assertion: use
_Py_IsImmortal() to tolerate reference count lower than
_Py_IMMORTAL_REFCNT. Fix the assertion for the stable
ABI, when a C extension is built with Python 3.11 or
lower. Patch by Victor Stinner.
- gh-118513: Fix incorrect UnboundLocalError when two
comprehensions in the same function both reference the same
name, and in one comprehension the name is bound while in
the other it’s an implicit global.
- gh-118164: Break a loop between the Python implementation
of the decimal module and the Python code for integer
to string conversion. Also optimize integer to string
conversion for values in the range from 9_000 to 135_000
decimal digits.
- gh-118272: Fix bug where generator.close does not free the
generator frame’s locals.
- gh-116767: Fix crash in compiler on ‘async with’ that has
many context managers.
- gh-117894: Prevent agen.aclose() objects being re-used
after .throw().
- gh-117881: prevent concurrent access to an async generator
via athrow().throw() or asend().throw()
- gh-115874: Fixed a possible segfault during garbage
collection of _asyncio.FutureIter objects
- Library
- gh-119819: Fix regression to allow logging configuration
with multiprocessing queue types.
- gh-89727: Fix issue with shutil.rmtree() where a
RecursionError is raised on deep directory trees.
- gh-89727: Partially fix issue with shutil.rmtree()
where a RecursionError is raised on deep directory
trees. A recursion error is no longer raised when
rmtree.avoids_symlink_attacks is false.
- gh-119118: Fix performance regression in the tokenize
module by caching the line token attribute and calculating
the column offset more efficiently.
- gh-89727: Fix issue with os.fwalk() where a RecursionError
was raised on deep directory trees by adjusting the
implementation to be iterative instead of recursive.
- gh-113892: Now, the method sock_connect of
asyncio.ProactorEventLoop raises a ValueError if given
socket is not in non-blocking mode, as well as in other
loop implementations.
- gh-119174: Fix high DPI causes turtledemo(turtle-graphics
examples) windows blurry Patch by Wulian233 and Terry Jan
Reedy
- gh-118643: Fix an AttributeError in the email module
when re-fold a long address list. Also fix more cases of
incorrect encoding of the address separator in the address
list.
- gh-58933: Make pdb return to caller frame correctly when
f_trace of the caller frame is not set
- gh-118868: Fixed issue where kwargs were no longer passed
to the logging handler QueueHandler
- gh-118164: The Python implementation of the decimal
module could appear to hang in relatively small power
cases (like 2**117) if context precision was set to a
very high value. A different method to check for exactly
representable results is used now that doesn’t rely on
computing 10**precision (which could be effectively too
large to compute).
- gh-118404: Fix inspect.signature() for non-comparable
callables.
- gh-118314: Fix an edge case in binascii.a2b_base64() strict
mode, where excessive padding is not detected when no
padding is necessary.
- gh-118042: Fix an unraisable exception in
telnetlib.Telnet.__del__() when the __init__() method was
not called.
- gh-118221: Fix a bug where sqlite3.iterdump() could fail if
a custom row factory was used. Patch by Erlend Aasland.
- gh-118013: Fix regression introduced in gh-103193 that
meant that calling inspect.getattr_static() on an instance
would cause a strong reference to that instance’s class to
persist in an internal cache in the inspect module. This
caused unexpected memory consumption if the class was
dynamically created, the class held strong references to
other objects which took up a significant amount of memory,
and the cache contained the sole strong reference to the
class. The fix for the regression leads to a slowdown
in getattr_static(), but the function should still be
significantly faster than it was in Python 3.11. Patch by
Alex Waygood.
- gh-90848: Fixed unittest.mock.create_autospec() to
configure parent mock with keyword arguments.
- gh-118168: Fix incorrect argument substitution when
typing.Unpack is used with the builtin tuple. typing.Unpack
now raises TypeError when used with certain invalid
types. Patch by Jelle Zijlstra.
- gh-118033: Fix dataclasses.dataclass() not creating a
__weakref__ slot when subclassing typing.Generic.
- gh-117535: Do not try to get the source line for made up
file name “sys” in warnings.
- gh-114053: Fix erroneous NameError when calling
typing.get_type_hints() on a class that made use of PEP 695
type parameters in a module that had from __future__ import
annotations at the top of the file. Patch by Alex Waygood.
- gh-117995: Don’t raise DeprecationWarning when a
sequence of parameters is used to bind indexed, nameless
placeholders. See also gh-100668.
- gh-80361: Fix TypeError in
email.message.Message.get_payload() when the charset is RFC
2231 encoded.
- gh-86650: Fix IndexError when parse some emails with
invalid Message-ID (including one-off addresses generated
by Microsoft Outlook).
- gh-117691: Improve the error messages emitted by tarfile
deprecation warnings relating to PEP 706. If a filter
argument is not provided to extract() or extractall, the
deprecation warning now points to the line in the user’s
code where the relevant function was called. Patch by Alex
Waygood.
- gh-77102: site module now parses .pth file with UTF-8
first, and locale encoding if UnicodeDecodeError
happened. It supported only locale encoding before.
- gh-117692: Fixes a bug when doctest.DocTestFinder was
failing on wrapped builtin_function_or_method.
- gh-117566: ipaddress.IPv6Address.is_loopback() will now
return True for IPv4-mapped loopback addresses, i.e.
addresses in the ::ffff:127.0.0.0/104 address space.
- gh-117503: Fix support of non-ASCII user names in bytes
paths in os.path.expanduser() on Posix.
- gh-117313: Only treat '\n', '\r' and '\r\n' as line
separators in re-folding the email messages. Preserve
control characters '\v', '\f', '\x1c', '\x1d' and '\x1e'
and Unicode line separators '\x85', '\u2028' and '\u2029'
as is.
- gh-113171 (bsc#1226448, CVE-2024-4032): Fixed various false
positives and false negatives in
ipaddress.IPv4Address.is_private (see these docs for details)
ipaddress.IPv4Address.is_global
ipaddress.IPv6Address.is_private
ipaddress.IPv6Address.is_global
Also in the corresponding ipaddress.IPv4Network and
ipaddress.IPv6Network attributes.
- gh-103956: Fix lack of newline characters in trace module
output when line tracing is enabled but source code line
for current frame is not available.
- gh-92081: Fix missing spaces in email headers when the
spaces are mixed with encoded 8-bit characters.
- gh-103194: Prepare Tkinter for C API changes in Tcl 8.7/9.0
to avoid _tkinter.Tcl_Obj being unexpectedly returned
instead of bool, str, bytearray, or int.
- gh-87106: Fixed handling in inspect.Signature.bind() of
keyword arguments having the same name as positional-only
arguments when a variadic keyword argument (e.g. **kwargs)
is present.
- bpo-45767: Fix integer conversion in os.major(),
os.minor(), and os.makedev(). Support device numbers larger
than 2**63-1. Support non-existent device number (NODEV).
- bpo-40943: Fix several IndexError when parse emails with
truncated Message-ID, address, routes, etc, e.g. example@.
- bpo-30988: Fix parsing of emails with invalid address
headers having a leading or trailing dot. Patch by tsufeki.
- gh-67693: Fix urllib.parse.urlunparse() and
urllib.parse.urlunsplit() for URIs with path starting with
multiple slashes and no authority. Based on patch by Ashwin
Ramaswami.
- bpo-15010: unittest.TestLoader.discover() now saves the
original value of unittest.TestLoader._top_level_dir and
restores it at the end of the call.
- Documentation
- gh-117928: The minimum Sphinx version required for the
documentation is now 6.2.1.
- gh-91565: Changes to documentation files and config
outputs to reflect the new location for reporting bugs -
i.e. GitHub rather than bugs.python.org.
- Tests
- gh-119050: regrtest test runner: Add XML support to the
refleak checker (-R option). Patch by Victor Stinner.
- IDLE
- bpo-34774: Use user-selected color theme for Help => IDLE
Doc.
- C API
- gh-119585: Fix crash when a thread state that was
created by PyGILState_Ensure() calls a destructor that
during PyThreadState_Clear() that calls back into
PyGILState_Ensure() and PyGILState_Release(). This
might occur when in the free-threaded build or when
using thread-local variables whose destructors call
PyGILState_Ensure().
- gh-117534: Improve validation logic in the C implementation
of datetime.fromisoformat() to better handle invalid
years. Patch by Vlad Efanov.
- Updated patches:
- CVE-2023-6597-TempDir-cleaning-symlink.patch
- bpo-31046_ensurepip_honours_prefix.patch
- fix_configure_rst.patch
- python-3.3.0b1-fix_date_time_compiler.patch
- subprocess-raise-timeout.patch
* Mon Apr 15 2024 Daniel Garcia <[email protected]>
- Add CVE-2023-52425-libexpat-2.6.0-backport-15.6.patch to fix tests with
patched libexpat below 2.6.0 that doesn't update the version number,
just in 15.6.
- Drop libexpat260.patch, not needed anymore. This patch is merged
with the CVE-2023-52425-libexpat-2.6.0-backport-15.6.patch to keep
working on 15.6.
- Add fix-test-recursion-limit-15.6.patch, gh#python/cpython#115083.
* Wed Apr 10 2024 Matej Cepl <[email protected]>
- Update to 3.12.3:
- Security
- gh-115398: Allow controlling Expat >=2.6.0 reparse deferral
(CVE-2023-52425, bsc#1219559) by adding five new methods:
xml.etree.ElementTree.XMLParser.flush()
xml.etree.ElementTree.XMLPullParser.flush()
xml.parsers.expat.xmlparser.GetReparseDeferralEnabled()
xml.parsers.expat.xmlparser.SetReparseDeferralEnabled()
xml.sax.expatreader.ExpatParser.flush()
- gh-115399: Update bundled libexpat to 2.6.0 (bsc#1222075)
- gh-115243: Fix possible crashes in
collections.deque.index() when the deque is concurrently
modified.
- gh-114572: ssl.SSLContext.cert_store_stats() and
ssl.SSLContext.get_ca_certs() now correctly lock access to
the certificate store, when the ssl.SSLContext is shared
across multiple threads (bsc#1226447, CVE-2024-0397).
- Core and Builtins
- gh-109120: Added handle of incorrect star expressions, e.g
f(3, *). Patch by Grigoryev Semyon
- gh-99108: Updated the hashlib built-in HACL* project C code
from upstream that we use for many implementations when
they are not present via OpenSSL in a given build. This
also avoids the rare potential for a C symbol name one
definition rule linking issue.
- gh-116735: For INSTRUMENTED_CALL_FUNCTION_EX, set arg0 to
sys.monitoring.MISSING instead of None for CALL event.
- gh-113964: Starting new threads and process creation
through os.fork() are now only prevented once all
non-daemon threads exit.
- gh-116604: Respect the status of the garbage collector when
indirect calls are made via PyErr_CheckSignals() and the
evaluation breaker. Patch by Pablo Galindo
- gh-116626: Ensure INSTRUMENTED_CALL_FUNCTION_EX always
emits CALL
- gh-116296: Fix possible refleak in object.__reduce__()
internal error handling.
- gh-116034: Fix location of the error on a failed assertion.
- gh-115823: Properly calculate error ranges in the parser
when raising SyntaxError exceptions caused by invalid byte
sequences. Patch by Pablo Galindo
- gh-112087: For an empty reverse iterator for list will be
reduced to reversed(). Patch by Donghee Na.
- gh-115154: Fix a bug that was causing the
tokenize.untokenize() function to handle unicode named
literals incorrectly. Patch by Pablo Galindo
- gh-114828: Fix compilation crashes in uncommon code
examples using super() inside a comprehension in a class
body.
- gh-115011: Setters for members with an unsigned integer
type now support the same range of valid values for objects
that has a __index__() method as for int.
- gh-112215: Change the C recursion limits to more closely
reflect the underlying platform limits.
- gh-96497: Fix incorrect resolution of mangled class
variables used in assignment expressions in comprehensions.
- Library
- gh-117467: Preserve mailbox ownership when rewriting in
mailbox.mbox.flush(). Patch by Tony Mountifield.
- gh-117310: Fixed an unlikely early & extra Py_DECREF
triggered crash in ssl when creating a new _ssl._SSLContext
if CPython was built implausibly such that the
default cipher list is empty or the SSL library it
was linked against reports a failure from its C
SSL_CTX_set_cipher_list() API.
- gh-117178: Fix regression in lazy loading of
self-referential modules, introduced in gh-114781.
- gh-117084: Fix zipfile extraction for directory entries
with the name containing backslashes on Windows.
- gh-117110: Fix a bug that prevents subclasses of typing.Any
to be instantiated with arguments. Patch by Chris Fu.
- gh-90872: On Windows, subprocess.Popen.wait() no longer
calls WaitForSingleObject() with a negative timeout: pass 0
ms if the timeout is negative. Patch by Victor Stinner.
- gh-116957: configparser: Don’t leave ConfigParser values
in an invalid state (stored as a list instead of a str)
after an earlier read raised DuplicateSectionError or
DuplicateOptionError.
- gh-90095: Ignore empty lines and comments in .pdbrc
- gh-116764: Restore support of None and other false values
in urllib.parse functions parse_qs() and parse_qsl(). Also,
they now raise a TypeError for non-zero integers and
non-empty sequences.
- gh-116811: In PathFinder.invalidate_caches, delegate to
MetadataPathFinder.invalidate_caches.
- gh-116600: Fix repr() for global Flag members.
- gh-116484: Change automatically generated
tkinter.Checkbutton widget names to avoid collisions with
automatically generated tkinter.ttk.Checkbutton widget
names within the same parent widget.
- gh-116401: Fix blocking os.fwalk() and shutil.rmtree() on
opening named pipe.
- gh-116143: Fix a race in pydoc _start_server, eliminating a
window in which _start_server can return a thread that is
“serving” but without a docserver set.
- gh-116325: typing: raise SyntaxError instead of
AttributeError on forward references as empty strings.
- gh-90535: Fix support of interval values > 1 in
logging.TimedRotatingFileHandler for when='MIDNIGHT' and
when='Wx'.
- gh-115978: Disable preadv(), readv(), pwritev(), and
writev() on WASI.
- Under wasmtime for WASI 0.2, these
functions don’t pass test_posix
(https://github.com/bytecodealliance/wasmtime/issues/7830).
- gh-88352: Fix the computation of the next rollover
time in the logging.TimedRotatingFileHandler handler.
computeRollover() now always returns a timestamp larger
than the specified time and works correctly during the DST
change. doRollover() no longer overwrite the already rolled
over file, saving from data loss when run at midnight or
during repeated time at the DST change.
- gh-87115: Set __main__.__spec__ to None when running a
script with pdb
- gh-76511: Fix UnicodeEncodeError in
email.Message.as_string() that results when a message
that claims to be in the ascii character set actually has
non-ascii characters. Non-ascii characters are now replaced
with the U+FFFD replacement character, like in the replace
error handler.
- gh-116040: [Enum] fix by-value calls when second value is
falsey; e.g. Cardinal(1, 0)
- gh-75988: Fixed unittest.mock.create_autospec() to pass
the call through to the wrapped object to return the real
result.
- gh-115881: Fix issue where ast.parse() would incorrectly
flag conditional context managers (such as with (x() if y
else z()): ...) as invalid syntax if feature_version=(3,
8) was passed. This reverts changes to the grammar made as
part of gh-94949.
- gh-115886: Fix silent truncation of the
name with an embedded null character in
multiprocessing.shared_memory.SharedMemory.
- gh-115809: Improve algorithm for computing
which rolled-over log files to delete in
logging.TimedRotatingFileHandler. It is now reliable for
handlers without namer and with arbitrary deterministic
namer that leaves the datetime part in the file name
unmodified.
- gh-74668: urllib.parse functions parse_qs() and
parse_qsl() now support bytes arguments containing raw and
percent-encoded non-ASCII data.
- gh-67044: csv.writer() now always quotes or escapes '\r'
and '\n', regardless of lineterminator value.
- gh-115712: csv.writer() now quotes empty fields if
delimiter is a space and skipinitialspace is true and
raises exception if quoting is not possible.
- gh-112364: Fixed ast.unparse() to handle format_spec with
", ' or \\. Patched by Frank Hoffmann.
- gh-111358: Fix a bug in
asyncio.BaseEventLoop.shutdown_default_executor() to ensure
the timeout passed to the coroutine behaves as expected.
- gh-115618: Fix improper decreasing the reference count for
None argument in property methods getter(), setter() and
deleter().
- gh-115570: A DeprecationWarning is no longer omitted
on access to the __doc__ attributes of the deprecated
typing.io and typing.re pseudo-modules.
- gh-112006: Fix inspect.unwrap() for types with the
__wrapper__ data descriptor.
- gh-101293: Support callables with the __call__() method
and types with __new__() and __init__() methods set to
class methods, static methods, bound methods, partial
functions, and other types of methods and descriptors in
inspect.Signature.from_callable().
- gh-115392: Fix a bug in doctest where incorrect line
numbers would be reported for decorated functions.
- gh-114563: Fix several format() bugs when using the C
implementation of Decimal: * memory leak in some rare
cases when using the z format option (coerce negative 0) *
incorrect output when applying the z format option to type
F (fixed-point with capital NAN / INF) * incorrect output
when applying the # format option (alternate form)
- gh-115197: urllib.request no longer resolves the hostname
before checking it against the system’s proxy bypass list
on macOS and Windows.
- gh-115165: Most exceptions are now ignored when attempting
to set the __orig_class__ attribute on objects returned
when calling typing generic aliases (including generic
aliases created using typing.Annotated). Previously only
AttributeError was ignored. Patch by Dave Shawley.
- gh-115133: Fix tests for XMLPullParser with Expat 2.6.0.
- gh-115059: io.BufferedRandom.read1() now flushes the
underlying write buffer.
- gh-79382: Trailing ** no longer allows to match files and
non-existing paths in recursive glob().
- gh-114071: Support tuple subclasses using auto() for enum
member value.
- gh-114763: Protect modules loaded with
importlib.util.LazyLoader from race conditions when
multiple threads try to access attributes before the
loading is complete.
- gh-97959: Fix rendering class methods, bound methods,
method and function aliases in pydoc. Class methods
no longer have “method of builtins.type instance”
note. Corresponding notes are now added for class and
unbound methods. Method and function aliases now have
references to the module or the class where the origin
was defined if it differs from the current. Bound methods
are now listed in the static methods section. Methods of
builtin classes are now supported as well as methods of
Python classes.
- gh-112281: Allow creating union of types for
typing.Annotated with unhashable metadata.
- gh-111775: Fix
importlib.resources.simple.ResourceHandle.open() for text
mode, added missed stream argument.
- gh-90095: Make .pdbrc and -c work with any valid pdb
commands.
- gh-107155: Fix incorrect output of help(x) where x is a
lambda function, which has an __annotations__ dictionary
attribute with a "return" key.
- gh-105866: Fixed _get_slots bug which caused error when
defining dataclasses with slots and a weakref_slot.
- gh-60346: Fix ArgumentParser inconsistent with
parse_known_args.
- gh-100985: Update HTTPSConnection to consistently wrap IPv6
Addresses when using a proxy.
- gh-100884: email: fix misfolding of comma in address-lists
over multiple lines in combination with unicode encoding.
- gh-95782: Fix io.BufferedReader.tell(),
io.BufferedReader.seek(), _pyio.BufferedReader.tell(),
io.BufferedRandom.tell(), io.BufferedRandom.seek() and
_pyio.BufferedRandom.tell() being able to return negative
offsets.
- gh-96310: Fix a traceback in argparse when all options in a
mutually exclusive group are suppressed.
- gh-93205: Fixed a bug in
logging.handlers.TimedRotatingFileHandler where multiple
rotating handler instances pointing to files with the same
name but different extensions would conflict and not delete
the correct files.
- bpo-44865: Add missing call to localization function in
argparse.
- bpo-43952: Fix multiprocessing.connection.Listener.accept()
to accept empty bytes as authkey. Not accepting empty bytes
as key causes it to hang indefinitely.
- bpo-42125: linecache: get module name from __spec__ if
available. This allows getting source code for the __main__
module when a custom loader is used.
- gh-66543: Make mimetypes.guess_type() properly parsing
of URLs with only a host name, URLs containing fragment
or query, and filenames with only a UNC sharepoint on
Windows. Based on patch by Dong-hee Na.
- bpo-33775: Add ‘default’ and ‘version’ help text for
localization in argparse.
- Documentation
- gh-115399: Document CVE-2023-52425 of Expat <2.6.0 under
“XML vulnerabilities”.
- gh-115233: Fix an example for LoggerAdapter in the Logging
Cookbook.
- Tests
- gh-83434: Disable JUnit XML output (--junit-xml=FILE
command line option) in regrtest when hunting for reference
leaks (-R option). Patch by Victor Stinner.
- gh-117187: Fix XML tests for vanilla Expat <2.6.0.
- gh-116333: Tests of TLS related things (error codes, etc)
were updated to be more lenient about specific error
message strings and behaviors as seen in the BoringSSL and
AWS-LC forks of OpenSSL.
- gh-115979: Update test_importlib so that it passes under
WASI SDK 21.
- gh-112536: Add –tsan to test.regrtest for running TSAN
tests in reasonable execution times. Patch by Donghee Na.
- gh-116307: Added import helper isolated_modules as
CleanImport does not remove modules imported during the
context. Use it in importlib.resources tests to avoid
leaving mod around to impede importlib.metadata tests.
- gh-115720: Leak tests (-R, --huntrleaks) now show a summary
of the number of leaks found in each iteration.
- gh-115122: Add --bisect option to regrtest test runner:
run failed tests with test.bisect_cmd to identify failing
tests. Patch by Victor Stinner.
- gh-115596: Fix ProgramPriorityTests in test_os permanently
changing the process priority.
- Build
- gh-116313: Get WASI builds to work under wasmtime 18 w/
WASI 0.2/preview2 primitives.
- gh-116117: Backport libb2’s PR #42 to fix compiling CPython
on 32-bit Windows with clang-cl.
- gh-115167: Avoid vendoring vcruntime140_threads.dll when
building with Visual Studio 2022 version 17.8.
- gh-112536: Add support for thread sanitizer (TSAN)
- Windows
- gh-117267: Ensure DirEntry.stat().st_ctime behaves
consistently with os.stat() during the deprecation
period of st_ctime by containing the same value as
st_birthtime. After the deprecation period, st_ctime
will be the metadata change time (or unavailable through
DirEntry), and only st_birthtime will contain the creation
time.
- gh-116773: Fix instances of <_overlapped.Overlapped object
at 0xXXX> still has pending operation at deallocation, the
process may crash.
- gh-91227: Fix the asyncio ProactorEventLoop implementation
so that sending a datagram to an address that is not
listening does not prevent receiving any more datagrams.
- gh-115554: The installer now has more strict rules about
updating the Python Launcher for Windows. In general, most
users only have a single launcher installed and will see no
difference. When multiple launchers have been installed,
the option to install the launcher is disabled until all
but one have been removed. Downgrading the launcher (which
was never allowed) is now more obviously blocked.
- gh-115543: Python Launcher for Windows can now
detect Python 3.13 when installed from the Microsoft
Store, and will install Python 3.12 by default when
PYLAUNCHER_ALLOW_INSTALL is set.
- gh-115049: Fixes py.exe launcher failing when run as users
without user profiles.
- gh-115009: Update Windows installer to use SQLite 3.45.1.
- IDLE
- gh-88516: On macOS show a proxy icon in the title bar of
editor windows to match platform behaviour.
- Tools/Demos
- gh-113516: Don’t set LDSHARED when building for WASI.
- C API
- gh-117021: Fix integer overflow in PyLong_AsPid() on
non-Windows 64-bit platforms.
- gh-116869: Make the C API compatible with
- Werror=declaration-after-statement compiler flag
again. Patch by Victor Stinner.
* Wed Mar 06 2024 Pedro Monreal <[email protected]>
- Use the system-wide crypto-policies [bsc#1211301]
* Use the system default cipher list instead of hardcoded values
* Add the --with-ssl-default-suites=openssl configure option
* Fri Feb 23 2024 Matej Cepl <[email protected]>
- (bsc#1219666, CVE-2023-6597) Add
CVE-2023-6597-TempDir-cleaning-symlink.patch (patch from
gh#python/cpython!99930) fixing symlink bug in cleanup of
tempfile.TemporaryDirectory.
* Tue Feb 20 2024 Matej Cepl <[email protected]>
- Switch to %%autopatch. Let’s try it as an experiment, and if we
need conditional patch, we should put condition inside of it.
- Remove double definition of /usr/bin/idle%%{version} in
%%files.
* Thu Feb 15 2024 Daniel Garcia <[email protected]>
- Add upstream patch libexpat260.patch, Fix tests for XMLPullParser
with Expat 2.6.0, gh#python/cpython#115288
* Mon Feb 12 2024 Matej Cepl <[email protected]>
- (bsc#1210638, CVE-2023-27043) Add
CVE-2023-27043-email-parsing-errors.patch, which rejects
malformed addresses in email.parseaddr() (gh#python/cpython!111116)
Detect email address parsing errors and return empty tuple to
indicate the parsing error (old API). Add an optional 'strict'
parameter to getaddresses() and parseaddr() functions. Patch by
Thomas Dwyer.
* Thu Feb 08 2024 Daniel Garcia <[email protected]>
- Update to 3.12.2:
- Security
- gh-113659: Skip .pth files with names starting with a dot or
hidden file attribute.
- Core and Builtins
- gh-114887: Changed socket type validation in
create_datagram_endpoint() to accept all non-stream sockets.
This fixes a regression in compatibility with raw sockets.
- gh-114388: Fix a RuntimeWarning emitted when assign an
integer-like value that is not an instance of int to an
attribute that corresponds to a C struct member of type T_UINT
and T_ULONG. Fix a double RuntimeWarning emitted when assign a
negative integer value to an attribute that corresponds to a C
struct member of type T_UINT.
- gh-113703: Fix a regression in the codeop module that was
causing it to incorrectly identify incomplete f-strings. Patch
by Pablo Galindo
- gh-89811: Check for a valid tp_version_tag before performing
bytecode specializations that rely on this value being usable.
- gh-113602: Fix an error that was causing the parser to try to
overwrite existing errors and crashing in the process. Patch by
Pablo Galindo
- gh-113297: Fix segfault in the compiler on with statement with
19 context managers.
- gh-106905: Use per AST-parser state rather than global state to
track recursion depth within the AST parser to prevent potential
race condition due to simultaneous parsing.
- The issue primarily showed up in 3.11 by multithreaded users of
ast.parse(). In 3.12 a change to when garbage collection can be
triggered prevented the race condition from occurring.
- gh-112943: Correctly compute end column offsets for multiline
tokens in the tokenize module. Patch by Pablo Galindo
- gh-112716: Fix SystemError in the import statement and in
__reduce__() methods of builtin types when __builtins__ is not a
dict.
- gh-94606: Fix UnicodeEncodeError when
email.message.get_payload() reads a message with a Unicode
surrogate character and the message content is not well-formed
for surrogateescape encoding. Patch by Sidney Markowitz.
- Library
- gh-114965: Update bundled pip to 24.0
- gh-114959: tarfile no longer ignores errors when trying to
extract a directory on top of a file.
- gh-109475: Fix support of explicit option value “–” in argparse
(e.g. --option=--).
- gh-110190: Fix ctypes structs with array on Windows ARM64
platform by setting MAX_STRUCT_SIZE to 32 in stgdict. Patch by
Diego Russo
- gh-113280: Fix a leak of open socket in rare cases when error
occurred in ssl.SSLSocket creation.
- gh-77749: email.policy.EmailPolicy.fold() now always encodes
non-ASCII characters in headers if utf8 is false.
- gh-114492: Make the result of termios.tcgetattr() reproducible
on Alpine Linux. Previously it could leave a random garbage in
some fields.
- gh-113267: Revert changes in gh-106584 which made calls of
TestResult methods startTest() and stopTest() unbalanced.
- gh-75128: Ignore an OSError in
asyncio.BaseEventLoop.create_server() when IPv6 is available but
the interface cannot actually support it.
- gh-114257: Dismiss the FileNotFound error in
ctypes.util.find_library() and just return None on Linux.
- gh-114328: The tty.setcbreak() and new tty.cfmakecbreak() no
longer clears the terminal input ICRLF flag. This fixes a
regression introduced in 3.12 that no longer matched how OSes
define cbreak mode in their stty(1) manual pages.
- gh-101438: Avoid reference cycle in ElementTree.iterparse. The
iterator returned by ElementTree.iterparse may hold on to a file
descriptor. The reference cycle prevented prompt clean-up of the
file descriptor if the returned iterator was not exhausted.
- gh-104522: OSError raised when run a subprocess now only has
filename attribute set to cwd if the error was caused by a
failed attempt to change the current directory.
- gh-114149: Enum: correctly handle tuple subclasses in custom
__new__.
- gh-109534: Fix a reference leak in
asyncio.selector_events.BaseSelectorEventLoop when SSL
handshakes fail. Patch contributed by Jamie Phan.
- gh-114077: Fix possible OverflowError in
socket.socket.sendfile() when pass count larger than 2 GiB on
32-bit platform.
- gh-114014: Fixed a bug in fractions.Fraction where an invalid
string using d in the decimals part creates a different error
compared to other invalid letters/characters. Patch by Jeremiah
Gabriel Pascual.
- gh-113951: Fix the behavior of tag_unbind() methods of
tkinter.Text and tkinter.Canvas classes with three arguments.
Previously, widget.tag_unbind(tag, sequence, funcid) destroyed
the current binding for sequence, leaving sequence unbound, and
deleted the funcid command. Now it removes only funcid from the
binding for sequence, keeping other commands, and deletes the
funcid command. It leaves sequence unbound only if funcid was
the last bound command.
- gh-113877: Fix tkinter method winfo_pathname() on 64-bit
Windows.
- gh-113661: unittest runner: Don’t exit 5 if tests were skipped.
The intention of exiting 5 was to detect issues where the test
suite wasn’t discovered at all. If we skipped tests, it was
correctly discovered.
- gh-113781: Silence unraisable AttributeError when warnings are
emitted during Python finalization.
- gh-112932: Restore the ability for zipfile to extractall from
zip files with a “/” directory entry in them as is commonly
added to zips by some wiki or bug tracker data exporters.
- gh-113594: Fix UnicodeEncodeError in email when re-fold lines
that contain unknown-8bit encoded part followed by
non-unknown-8bit encoded part.
- gh-113538: In asyncio.StreamReaderProtocol.connection_made(),
there is callback that logs an error if the task wrapping the
“connected callback” fails. This callback would itself fail if
the task was cancelled. Prevent this by checking whether the
task was cancelled first. If so, close the transport but don’t
log an error.
- gh-85567: Fix resource warnings for unclosed files in pickle and
pickletools command line interfaces.
- gh-101225: Increase the backlog for
multiprocessing.connection.Listener objects created by
multiprocessing.manager and multiprocessing.resource_sharer to
significantly reduce the risk of getting a connection refused
error when creating a multiprocessing.connection.Connection to
them.
- gh-113543: Make sure that webbrowser.MacOSXOSAScript sends
webbrowser.open audit event.
- gh-113028: When a second reference to a string appears in the
input to pickle, and the Python implementation is in use, we are
guaranteed that a single copy gets pickled and a single object
is shared when reloaded. Previously, in protocol 0, when a
string contained certain characters (e.g. newline) it resulted
in duplicate objects.
- gh-113421: Fix multiprocessing logger for %(filename)s.
- gh-111784: Fix segfaults in the _elementtree module. Fix first
segfault during deallocation of _elementtree.XMLParser instances
by keeping strong reference to pyexpat module in module state
for capsule lifetime. Fix second segfault which happens in the
same deallocation process by keeping strong reference to
_elementtree module in XMLParser structure for _elementtree
module lifetime.
- gh-113407: Fix import of unittest.mock when CPython is built
without docstrings.
- gh-113320: Fix regression in Python 3.12 where Protocol classes
that were not marked as runtime-checkable would be unnecessarily
introspected, potentially causing exceptions to be raised if the
protocol had problematic members. Patch by Alex Waygood.
- gh-113358: Fix rendering tracebacks for exceptions with a broken
__getattr__.
- gh-113214: Fix an AttributeError during asyncio SSL protocol
aborts in SSL-over-SSL scenarios.
- gh-113246: Update bundled pip to 23.3.2.
- gh-113199: Make http.client.HTTPResponse.read1 and
http.client.HTTPResponse.readline close IO after reading all
data when content length is known. Patch by Illia Volochii.
- gh-113188: Fix shutil.copymode() and shutil.copystat() on
Windows. Previously they worked differenly if dst is a symbolic
link: they modified the permission bits of dst itself rather
than the file it points to if follow_symlinks is true or src is
not a symbolic link, and did not modify the permission bits if
follow_symlinks is false and src is a symbolic link.
- gh-61648: Detect line numbers of properties in doctests.
- gh-112559: signal.signal() and signal.getsignal() no longer call
repr on callable handlers. asyncio.run() and
asyncio.Runner.run() no longer call repr on the task results.
Patch by Yilei Yang.
- gh-110190: Fix ctypes structs with array on PPC64LE platform by
setting MAX_STRUCT_SIZE to 64 in stgdict. Patch by Diego Russo.
- gh-79429: Ignore FileNotFoundError when remove a temporary
directory in the multiprocessing finalizer.
- gh-81194: Fix a crash in socket.if_indextoname() with specific
value (UINT_MAX). Fix an integer overflow in
socket.if_indextoname() on 64-bit non-Windows platforms.
- gh-112343: Improve handling of pdb convenience variables to
avoid replacing string contents.
- gh-111615: Fix a regression caused by a fix to gh-93162 whereby
you couldn’t configure a QueueHandler without specifying
handlers.
- gh-111049: Fix crash during garbage collection of the io.BytesIO
buffer object.
- gh-110345: Show the Tcl/Tk patchlevel (rather than version) in
tkinter._test().
- gh-109858: Protect zipfile from “quoted-overlap” zipbomb. It now
raises BadZipFile when try to read an entry that overlaps with
other entry or central directory.
- gh-114440: On Windows, closing the connection writer when
cleaning up a broken multiprocessing.Queue queue is now done for
all queues, rather than only in concurrent.futures manager
thread. This can prevent a deadlock when a multiprocessing
worker process terminates without cleaning up. This completes
the backport of patches by Victor Stinner and Serhiy Storchaka.
- gh-38807: Fix race condition in trace. Instead of checking if a
directory exists and creating it, directly call os.makedirs()
with the kwarg exist_ok=True.
- gh-75705: Set unixfrom envelope in mailbox.mbox and
mailbox.MMDF.
- gh-106233: Fix stacklevel in InvalidTZPathWarning during
zoneinfo module import.
- gh-105102: Allow ctypes.Union to be nested in ctypes.Structure
when the system endianness is the opposite of the classes.
- gh-104282: Fix null pointer dereference in
lzma._decode_filter_properties() due to improper handling of BCJ
filters with properties of zero length. Patch by Radislav
Chugunov.
- gh-102512: When os.fork() is called from a foreign thread (aka
_DummyThread), the type of the thread in a child process is
changed to _MainThread. Also changed its name and daemonic
status, it can be now joined.
- bpo-35928: io.TextIOWrapper now correctly handles the decoding
buffer after read() and write().
- bpo-26791: shutil.move() now moves a symlink into a directory
when that directory is the target of the symlink. This provides
the same behavior as the mv shell command. The previous behavior
raised an exception. Patch by Jeffrey Kintscher.
- bpo-36959: Fix some error messages for invalid ISO format string
combinations in strptime() that referred to directives not
contained in the format string. Patch by Gordon P. Hemsley.
- bpo-18060: Fixed a class inheritance issue that can cause
segfaults when deriving two or more levels of subclasses from a
base class of Structure or Union.
- Documentation
- gh-110746: Improved markup for valid options/values for methods
ttk.treeview.column and ttk.treeview.heading, and for Layouts.
- gh-95649: Document that the asyncio module contains code taken
from v0.16.0 of the uvloop project, as well as the required MIT
licensing information.
- Tests
- gh-109980: Fix test_tarfile_vs_tar in test_shutil for macOS,
where system tar can include more information in the archive
than shutil.make_archive.
- gh-105089: Fix
test.test_zipfile.test_core.TestWithDirectory.test_create_directory_with_write
test in AIX by doing a bitwise AND of 0xFFFF on mode , so that
it will be in sync with zinfo.external_attr
- bpo-40648: Test modes that file can get with chmod() on Windows.
- Build
- gh-112305: Fixed the check-clean-src step performed on out of
tree builds to detect errant $(srcdir)/Python/frozen_modules/*.h
files and recommend appropriate source tree cleanup steps to get
a working build again.
- gh-112867: Fix the build for the case that
WITH_PYMALLOC_RADIX_TREE=0 set.
- bpo-11102: The os.major(), os.makedev(), and os.minor()
functions are now available on HP-UX v3.
- bpo-36351: Do not set ipv6type when cross-compiling.
- IDLE
- gh-96905: In idlelib code, stop redefining built-ins ‘dict’ and
‘object’.
- gh-72284: Improve the lists of features, editor key bindings,
and shell key bingings in the IDLE doc.
- gh-113903: Fix rare failure of test.test_idle, in
test_configdialog.
- gh-113729: Fix the “Help -> IDLE Doc” menu bug in 3.11.7 and
3.12.1.
- gh-113269: Fix test_editor hang on macOS Catalina.
- gh-112898: Fix processing unsaved files when quitting IDLE on
macOS.
- gh-103820: Revise IDLE bindings so that events from mouse button
4/5 on non-X11 windowing systems (i.e. Win32 and Aqua) are not
mistaken for scrolling.
- bpo-13586: Enter the selected text when opening the “Replace”
dialog.
- Tools/Demos
- gh-109991: Update GitHub CI workflows to use OpenSSL 3.0.13 and
multissltests to use 1.1.1w, 3.0.13, 3.1.5, and 3.2.1.
- gh-115015: Fix a bug in Argument Clinic that generated incorrect
code for methods with no parameters that use the METH_METHOD |
METH_FASTCALL | METH_KEYWORDS calling convention. Only the
positional parameter count was checked; any keyword argument
passed would be silently accepted.
- Refresh patches:
- bpo-31046_ensurepip_honours_prefix.patch
- fix_configure_rst.patch
- no-skipif-doctests.patch
- python-3.3.0b1-fix_date_time_compiler.patch
- python-3.3.0b1-localpath.patch
- python-3.3.0b1-test-posix_fadvise.patch
- skip-test_pyobject_freed_is_freed.patch
- subprocess-raise-timeout.patch
* Fri Dec 15 2023 Daniel Garcia <[email protected]>
- Update patch fix_configure_rst.patch
- Update to 3.12.1 (CVE-2023-6507, bsc#1217939):
- Core and Builtins
- gh-112125: Fix None.__ne__(None) returning NotImplemented
instead of False
- gh-112625: Fixes a bug where a bytearray object could be
cleared while iterating over an argument in the
bytearray.join() method that could result in reading memory
after it was freed.
- gh-105967: Workaround a bug in Apple’s macOS platform zlib
library where zlib.crc32() and binascii.crc32() could produce
incorrect results on multi-gigabyte inputs. Including when
using zipfile on zips containing large data.
- gh-112356: Stopped erroneously deleting a LOAD_NULL bytecode
instruction when optimized twice.
- gh-111058: Change coro.cr_frame/gen.gi_frame to return None
after the coroutine/generator has been closed. This fixes a bug
where getcoroutinestate() and getgeneratorstate() return the
wrong state for a closed coroutine/generator.
- gh-112388: Fix an error that was causing the parser to try to
overwrite tokenizer errors. Patch by pablo Galindo
- gh-112387: Fix error positions for decoded strings with
backwards tokenize errors. Patch by Pablo Galindo
- gh-112367: Avoid undefined behaviour when using the perf
trampolines by not freeing the code arenas until shutdown.
Patch by Pablo Galindo
- gh-112243: Don’t include comments in f-string debug
expressions. Patch by Pablo Galindo
- gh-112266: Change docstrings of __dict__ and __weakref__.
- gh-111654: Fix runtime crash when some error happens in opcode
LOAD_FROM_DICT_OR_DEREF.
- gh-109181: Speed up Traceback object creation by lazily compute
the line number. Patch by Pablo Galindo
- gh-102388: Fix a bug where iso2022_jp_3 and iso2022_jp_2004
codecs read out of bounds
- gh-111366: Fix an issue in the codeop that was causing
SyntaxError exceptions raised in the presence of invalid syntax
to not contain precise error messages. Patch by Pablo Galindo
- gh-111380: Fix a bug that was causing SyntaxWarning to appear
twice when parsing if invalid syntax is encountered later.
Patch by Pablo galindo
- gh-94438: Fix a regression that prevented jumping across is
None and is not None when debugging. Patch by Savannah
Ostrowski.
- gh-110938: Fix error messages for indented blocks with
functions and classes with generic type parameters. Patch by
Pablo Galindo
- gh-109894: Fixed crash due to improperly initialized static
MemoryError in subinterpreter.
- gh-110782: Fix crash when typing.TypeVar is constructed with a
keyword argument. Patch by Jelle Zijlstra.
- gh-110696: Fix incorrect error message for invalid argument
unpacking. Patch by Pablo Galindo
- gh-110543: Fix regression in Python 3.12 where
types.CodeType.replace() would produce a broken code object if
called on a module or class code object that contains a
comprehension. Patch by Jelle Zijlstra.
- gh-110514: Add PY_THROW to sys.setprofile() events
- gh-110455: Guard assert(tstate->thread_id > 0) with #ifndef
HAVE_PTHREAD_STUBS. This allows for for pydebug builds to work
under WASI which (currently) lacks thread support.
- gh-110259: Correctly identify the format spec in f-strings
(with single or triple quotes) that have multiple lines in the
expression part and include a formatting spec. Patch by Pablo
Galindo
- gh-110237: Fix missing error checks for calls to PyList_Append
in _PyEval_MatchClass.
- gh-109889: Fix the compiler’s redundant NOP detection algorithm
to skip over NOPs with no line number when looking for the next
instruction’s lineno.
- gh-109853: sys.path[0] is now set correctly for
subinterpreters.
- gh-105716: Subinterpreters now correctly handle the case where
they have threads running in the background. Before, such
threads would interfere with cleaning up and destroying them,
as well as prevent running another script.
- gh-109793: The main thread no longer exits prematurely when a
subinterpreter is cleaned up during runtime finalization. The
bug was a problem particularly because, when triggered, the
Python process would always return with a 0 exitcode, even if
it failed.
- gh-109596: Fix some tokens in the grammar that were incorrectly
marked as soft keywords. Also fix some repeated rule names and
ensure that repeated rules are not allowed. Patch by Pablo
Galindo
- gh-109351: Fix crash when compiling an invalid AST involving a
named (walrus) expression.
- gh-109216: Fix possible memory leak in BUILD_MAP.
- gh-109207: Fix a SystemError in __repr__ of symtable entry
object.
- gh-109179: Fix bug where the C traceback display drops notes
from SyntaxError.
- gh-109052: Use the base opcode when comparing code objects to
avoid interference from instrumentation
- gh-88943: Improve syntax error for non-ASCII character that
follows a numerical literal. It now points on the invalid
non-ASCII character, not on the valid numerical literal.
- gh-106931: Statically allocated string objects are now interned
globally instead of per-interpreter. This fixes a situation
where such a string would only be interned in a single
interpreter. Normal string objects are unaffected.
- Library
- gh-79325: Fix an infinite recursion error in
tempfile.TemporaryDirectory() cleanup on Windows.
- gh-112645: Remove deprecation error on passing onerror to
shutil.rmtree().
- gh-112618: Fix a caching bug relating to typing.Annotated.
Annotated[str, True] is no longer identical to Annotated[str,
1].
- gh-112334: Fixed a performance regression in 3.12’s subprocess
on Linux where it would no longer use the fast-path vfork()
system call when it should have due to a logic bug, instead
always falling back to the safe but slower fork().
- Also fixed a related 3.12 security regression: If a value of
extra_groups=[] was passed to subprocess.Popen or related APIs,
the underlying setgroups(0, NULL) system call to clear the
groups list would not be made in the child process prior to
exec(). This has been assigned CVE-2023-6507.
- This was identified via code inspection in the process of fixing
the first bug.
- gh-110190: Fix ctypes structs with array on Arm platform by
setting MAX_STRUCT_SIZE to 32 in stgdict. Patch by Diego Russo.
- gh-112578: Fix a spurious RuntimeWarning when executing the
zipfile module.
- gh-112509: Fix edge cases that could cause a key to be present
in both the __required_keys__ and __optional_keys__ attributes
of a typing.TypedDict. Patch by Jelle Zijlstra.
- gh-112414: Fix regression in Python 3.12 where calling repr() on
a module that had been imported using a custom loader could fail
with AttributeError. Patch by Alex Waygood.
- gh-112358: Revert change to struct.Struct initialization that
broke some cases of subclassing.
- gh-94722: Fix bug where comparison between instances of DocTest
fails if one of them has None as its lineno.
- gh-112105: Make readline.set_completer_delims() work with
libedit
- gh-111942: Fix SystemError in the TextIOWrapper constructor with
non-encodable “errors” argument in non-debug mode.
- gh-109538: Issue warning message instead of having RuntimeError
be displayed when event loop has already been closed at
StreamWriter.__del__().
- gh-111942: Fix crashes in io.TextIOWrapper.reconfigure() when
pass invalid arguments, e.g. non-string encoding.
- gh-111460: curses: restore wide character support (including
curses.unget_wch() and get_wch()) on macOS, which was
unavailable due to a regression in Python 3.12.
- gh-103791: contextlib.suppress now supports suppressing
exceptions raised as part of a BaseExceptionGroup, in addition
to the recent support for ExceptionGroup.
- gh-111804: Remove posix.fallocate() under WASI as the underlying
posix_fallocate() is not available in WASI preview2.
- gh-111841: Fix truncating arguments on an embedded null
character in os.putenv() and os.unsetenv() on Windows.
- gh-111541: Fix doctest for SyntaxError not-builtin subclasses.
- gh-110894: Call loop exception handler for exceptions in
client_connected_cb of asyncio.start_server() so that
applications can handle it. Patch by Kumar Aditya.
- gh-111531: Fix reference leaks in bind_class() and bind_all()
methods of tkinter widgets.
- gh-111356: Added io.text_encoding(), io.DEFAULT_BUFFER_SIZE, and
io.IncrementalNewlineDecoder to io.__all__.
- gh-111342: Fixed typo in math.sumprod().
- gh-68166: Remove mention of not supported “vsapi” element type
in tkinter.ttk.Style.element_create(). Add tests for
element_create() and other ttk.Style methods. Add examples for
element_create() in the documentation.
- gh-75666: Fix the behavior of tkinter widget’s unbind() method
with two arguments. Previously, widget.unbind(sequence, funcid)
destroyed the current binding for sequence, leaving sequence
unbound, and deleted the funcid command. Now it removes only
funcid from the binding for sequence, keeping other commands,
and deletes the funcid command. It leaves sequence unbound only
if funcid was the last bound command.
- gh-79033: Another attempt at fixing
asyncio.Server.wait_closed(). It now blocks until both
conditions are true: the server is closed, and there are no more
active connections. (This means that in some cases where in
3.12.0 this function would incorrectly have returned
immediately, it will now block; in particular, when there are no
active connections but the server hasn’t been closed yet.)
- gh-111295: Fix time not checking for errors when initializing.
- gh-111253: Add error checking during _socket module init.
- gh-111251: Fix _blake2 not checking for errors when
initializing.
- gh-111174: Fix crash in io.BytesIO.getbuffer() called repeatedly
for empty BytesIO.
- gh-111187: Postpone removal version for
locale.getdefaultlocale() to Python 3.15.
- gh-111159: Fix doctest output comparison for exceptions with
notes.
- gh-110910: Fix invalid state handling in asyncio.TaskGroup and
asyncio.Timeout. They now raise proper RuntimeError if they are
improperly used and are left in consistent state after this.
- gh-111092: Make turtledemo run without default root enabled.
- gh-110488: Fix a couple of issues in
pathlib.PurePath.with_name(): a single dot was incorrectly
considered a valid name, and in PureWindowsPath, a name with an
NTFS alternate data stream, like a:b, was incorrectly considered
invalid.
- gh-110392: Fix tty.setraw() and tty.setcbreak(): previously they
returned partially modified list of the original tty attributes.
tty.cfmakeraw() and tty.cfmakecbreak() now make a copy of the
list of special characters before modifying it.
- gh-110590: Fix a bug in _sre.compile() where TypeError would be
overwritten by OverflowError when the code argument was a list
of non-ints.
- gh-65052: Prevent pdb from crashing when trying to display
undisplayable objects
- gh-110519: Deprecation warning about non-integer number in
gettext now alwais refers to the line in the user code where
gettext function or method is used. Previously it could refer to
a line in gettext code.
- gh-110395: Ensure that select.kqueue() objects correctly appear
as closed in forked children, to prevent operations on an
invalid file descriptor.
- gh-110378: contextmanager() and asynccontextmanager() context
managers now close an invalid underlying generator object that
yields more then one value.
- gh-110365: Fix termios.tcsetattr() bug that was overwritting
existing errors during parsing integers from term list.
- gh-109653: Fix a Python 3.12 regression in the import time of
random. Patch by Alex Waygood.
- gh-110196: Add __reduce__ method to IPv6Address in order to keep
scope_id
- gh-110036: On Windows, multiprocessing Popen.terminate() now
catchs PermissionError and get the process exit code. If the
process is still running, raise again the PermissionError.
Otherwise, the process terminated as expected: store its exit
code. Patch by Victor Stinner.
- gh-110038: Fixed an issue that caused KqueueSelector.select() to
not return all the ready events in some cases when a file
descriptor is registered for both read and write.
- gh-109631: re functions such as re.findall(), re.split(),
re.search() and re.sub() which perform short repeated matches
can now be interrupted by user.
- gh-109747: Improve errors for unsupported look-behind patterns.
Now re.error is raised instead of OverflowError or RuntimeError
for too large width of look-behind pattern.
- gh-109818: Fix reprlib.recursive_repr() not copying
__type_params__ from decorated function.
- gh-109047: concurrent.futures: The executor manager thread now
catches exceptions when adding an item to the call queue. During
Python finalization, creating a new thread can now raise
RuntimeError. Catch the exception and call terminate_broken() in
this case. Patch by Victor Stinner.
- gh-109782: Ensure the signature of os.path.isdir() is identical
on all platforms. Patch by Amin Alaee.
- gh-109590: shutil.which() will prefer files with an extension in
PATHEXT if the given mode includes os.X_OK on win32. If no
PATHEXT match is found, a file without an extension in PATHEXT
can be returned. This change will have shutil.which() act more
similarly to previous behavior in Python 3.11.
- gh-109786: Fix possible reference leaks and crash when re-enter
the __next__() method of itertools.pairwise.
- gh-109593: Avoid deadlocking on a reentrant call to the
multiprocessing resource tracker. Such a reentrant call, though
unlikely, can happen if a GC pass invokes the finalizer for a
multiprocessing object such as SemLock.
- gh-109613: Fix os.stat() and os.DirEntry.stat(): check for
exceptions. Previously, on Python built in debug mode, these
functions could trigger a fatal Python error (and abort the
process) when a function succeeded with an exception set. Patch
by Victor Stinner.
- gh-109375: The pdb alias command now prevents registering
aliases without arguments.
- gh-107219: Fix a race condition in concurrent.futures. When a
process in the process pool was terminated abruptly (while the
future was running or pending), close the connection write end.
If the call queue is blocked on sending bytes to a worker
process, closing the connection write end interrupts the send,
so the queue can be closed. Patch by Victor Stinner.
- gh-50644: Attempts to pickle or create a shallow or deep copy of
codecs streams now raise a TypeError. Previously, copying failed
with a RecursionError, while pickling produced wrong results
that eventually caused unpickling to fail with a RecursionError.
- gh-108987: Fix _thread.start_new_thread() race condition. If a
thread is created during Python finalization, the newly spawned
thread now exits immediately instead of trying to access freed
memory and lead to a crash. Patch by Victor Stinner.
- gh-108791: Improved error handling in pdb command line
interface, making it produce more concise error messages.
- gh-105829: Fix concurrent.futures.ProcessPoolExecutor deadlock
- gh-106584: Fix exit code for unittest if all tests are skipped.
Patch by Egor Eliseev.
- gh-102956: Fix returning of empty byte strings after seek in
zipfile module
- gh-84867: unittest.TestLoader no longer loads test cases from
exact unittest.TestCase and unittest.FunctionTestCase classes.
- gh-91133: Fix a bug in tempfile.TemporaryDirectory cleanup,
which now no longer dereferences symlinks when working around
file system permission errors.
- gh-73561: Omit the interface scope from an IPv6 address when
used as Host header by http.client.
- gh-86826: zipinfo now supports the full range of values in the
TZ string determined by RFC 8536 and detects all invalid
formats. Both Python and C implementations now raise exceptions
of the same type on invalid data.
- bpo-43153: On Windows, tempfile.TemporaryDirectory previously
masked a PermissionError with NotADirectoryError during
directory cleanup. It now correctly raises PermissionError if
errors are not ignored. Patch by Andrei Kulakov and Ken Jin.
- bpo-35332: The shutil.rmtree() function now ignores errors when
calling os.close() when ignore_errors is True, and os.close() no
longer retried after error.
- bpo-41422: Fixed memory leaks of pickle.Pickler and
pickle.Unpickler involving cyclic references via the internal
memo mapping.
- bpo-40262: The ssl.SSLSocket.recv_into() method no longer
requires the buffer argument to implement __len__ and supports
buffers with arbitrary item size.
- Documentation
- gh-111699: Relocate smtpd deprecation notice to its own section
rather than under locale in What’s New in Python 3.12 document
- gh-108826: dis module command-line interface is now mentioned in
documentation. Test- s
- gh-112769: The tests now correctly compare zlib version when
zlib.ZLIB_RUNTIME_VERSION contains non-integer suffixes. For
example zlib-ng defines the version as 1.3.0.zlib-ng.
- gh-110367: Make regrtest --verbose3 option compatible with
- -huntrleaks -jN options. The ./python -m test -j1 -R 3:3
- -verbose3 command now works as expected. Patch by Victor
Stinner.
- gh-111165: Remove no longer used functions run_unittest() and
run_doctest() from the test.support module.
- gh-110932: Fix regrtest if the SOURCE_DATE_EPOCH environment
variable is defined: use the variable value as the random seed.
Patch by Victor Stinner.
- gh-110995: test_gdb: Fix detection of gdb built without Python
scripting support. Patch by Victor Stinner.
- gh-110918: Test case matching patterns specified by options
- -match, --ignore, --matchfile and --ignorefile are now tested
in the order of specification, and the last match determines
whether the test case be run or ignored.
- gh-110647: Fix test_stress_modifying_handlers() of test_signal.
Patch by Victor Stinner.
- gh-103053: Fix test_tools.test_freeze on FreeBSD: run “make
distclean” instead of “make clean” in the copied source
directory to remove also the “python” program. Patch by Victor
Stinner.
- gh-110167: Fix a deadlock in test_socket when server fails with
a timeout but the client is still running in its thread. Don’t
hold a lock to call cleanup functions in doCleanups(). One of
the cleanup function waits until the client completes, whereas
the client could deadlock if it called addCleanup() in such
situation. Patch by Victor Stinner.
- gh-110388: Add tests for tty.
- gh-81002: Add tests for termios.
- gh-110267: Add tests for pickling and copying PyStructSequence
objects. Patched by Xuehai Pan.
- gh-110031: Skip test_threading tests using thread+fork if Python
is built with Address Sanitizer (ASAN). Patch by Victor Stinner.
- gh-110088: Fix test_asyncio timeouts: don’t measure the maximum
duration, a test should not measure a CI performance. Only
measure the minimum duration when a task has a timeout or delay.
Add CLOCK_RES to test_asyncio.utils. Patch by Victor Stinner.
- gh-109974: Fix race conditions in test_threading lock tests.
Wait until a condition is met rather than using time.sleep()
with a hardcoded number of seconds. Patch by Victor Stinner.
- gh-110033: Fix test_interprocess_signal() of test_signal. Make
sure that the subprocess.Popen object is deleted before the test
raising an exception in a signal handler. Otherwise,
Popen.__del__() can get the exception which is logged as
Exception ignored in: ... and the test fails. Patch by Victor
Stinner.
- gh-109594: Fix test_timeout() of
test_concurrent_futures.test_wait. Remove the future which may
or may not complete depending if it takes longer than the
timeout ot not. Keep the second future which does not complete
before wait() timeout. Patch by Victor Stinner.
- gh-109972: Split test_gdb.py file into a test_gdb package made
of multiple tests, so tests can now be run in parallel. Patch by
Victor Stinner.
- gh-103053: Skip test_freeze_simple_script() of
test_tools.test_freeze if Python is built with ./configure
- -enable-optimizations, which means with Profile Guided
Optimization (PGO): it just makes the test too slow. The freeze
tool is tested by many other CIs with other (faster) compiler
flags. Patch by Victor Stinner.
- gh-109580: Skip test_perf_profiler if Python is built with ASAN,
MSAN or UBSAN sanitizer. Python does crash randomly in this test
on such build. 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-108927: Fixed order dependence in running tests in the same
process when a test that has submodules (e.g. test_importlib)
follows a test that imports its submodule (e.g.
test_importlib.util) and precedes a test (e.g. test_unittest or
test_compileall) that uses that submodule.
- Build
- gh-112088: Add Tools/build/regen-configure.sh script to
regenerate the configure with an Ubuntu container image. The
quay.io/tiran/cpython_autoconf:271 container image
(tiran/cpython_autoconf) is no longer used. Patch by Victor
Stinner.
- gh-111046: For wasi-threads, memory is now exported to fix
compatibility issues with some wasm runtimes.
- gh-103053: “make check-clean-src” now also checks if the
“python” program is found in the source directory: fail with an
error if it does exist. Patch by Victor Stinner.
- gh-109191: Fix compile error when building with recent versions
of libedit.
- IDLE
- bpo-35668: Add docstrings to the IDLE debugger module. Fix two
bugs: initialize Idb.botframe (should be in Bdb); in
Idb.in_rpc_code, check whether prev_frame is None before trying
to use it. Greatly expand test_debugger.
- C API
- gh-106560: Fix redundant declarations in the public C API.
Declare PyBool_Type and PyLong_Type only once. Patch by Victor
Stinner.
- gh-112438: Fix support of format units “es”, “et”, “es#”, and
“et#” in nested tuples in PyArg_ParseTuple()-like functions.
- gh-109521: PyImport_GetImporter() now sets RuntimeError if it
fails to get sys.path_hooks or sys.path_importer_cache or they
are not list and dict correspondingly. Previously it could
return NULL without setting error in obscure cases, crash or
raise SystemError if these attributes have wrong type.
* Thu Nov 16 2023 Daniel Garcia <[email protected]>
- Remove F00251-change-user-install-location.patch, that patch breaks
the python-rpm-macros usage with multibuild
* Mon Oct 02 2023 Matej Cepl <[email protected]>
- Update to the final release of 3.12.0:
Python 3.12 is the latest stable release of the Python
programming language, with a mix of changes to the language and
the standard library. The library changes focus on cleaning up
deprecated APIs, usability, and correctness. Of note, the
distutils package has been removed from the standard library.
Filesystem support in os and pathlib has seen a number of
improvements, and several modules have better performance.
The language changes focus on usability, as f-strings have had
many limitations removed and ‘Did you mean …’ suggestions
continue to improve. The new type parameter syntax and type
statement improve ergonomics for using generic types and type
aliases with static type checkers.
This article doesn’t attempt to provide a complete
specification of all new features, but instead gives
a convenient overview. For full details, you should refer to
the documentation, such as the Library Reference and Language
Reference. If you want to understand the complete
implementation and design rationale for a change, refer to the
PEP for a particular new feature; but note that PEPs usually
are not kept up-to-date once a feature has been fully
implemented.
- New syntax features:
- PEP 695, type parameter syntax and the type statement
- New grammar features:
- PEP 701, f-strings in the grammar
- Interpreter improvements:
- PEP 684, a unique per-interpreter GIL
- PEP 669, low impact monitoring
- Improved ‘Did you mean …’ suggestions for NameError,
ImportError, and SyntaxError exceptions
- Python data model improvements:
- PEP 688, using the buffer protocol from Python
- Significant improvements in the standard library:
- The pathlib.Path class now supports subclassing
- The os module received several improvements for Windows
support
- A command-line interface has been added to the sqlite3
module
- isinstance() checks against runtime-checkable protocols
enjoy a speed up of between two and 20 times
- The asyncio package has had a number of performance
improvements, with some benchmarks showing a 75% speed
up.
- A command-line interface has been added to the uuid
module
- Due to the changes in PEP 701, producing tokens via the
tokenize module is up to up to 64% faster.
- Security improvements:
- Replace the builtin hashlib implementations of SHA1,
SHA3, SHA2-384, SHA2-512, and MD5 with formally verified
code from the HACL* project. These builtin
implementations remain as fallbacks that are only used
when OpenSSL does not provide them.
- C API improvements:
- PEP 697, unstable C API tier
- PEP 683, immortal objects
- CPython implementation improvements:
- PEP 709, comprehension inlining
- CPython support for the Linux perf profiler
- Implement stack overflow protection on supported
platforms
- New typing features:
- PEP 692, using TypedDict to annotate **kwargs
- PEP 698, typing.override() decorator
- Important deprecations, removals or restrictions:
- PEP 623: Remove wstr from Unicode objects in Python’s
C API, reducing the size of every str object by at least
8 bytes.
- PEP 632: Remove the distutils package. See the migration
guide for advice replacing the APIs it provided. The
third-party Setuptools package continues to provide
distutils, if you still require it in Python 3.12 and
beyond.
- gh-95299: Do not pre-install setuptools in virtual
environments created with venv. This means that
distutils, setuptools, pkg_resources, and easy_install
will no longer available by default; to access these run
pip install setuptools in the activated virtual
environment.
- The asynchat, asyncore, and imp modules have been
removed, along with several unittest.TestCase method
aliases.
- Refresh bluez-devel-vendor.tar.xz from bluez-devel 5.69-1.1.
* Wed Sep 20 2023 Daniel Garcia <[email protected]>
- 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 2023 Dirk Müller <[email protected]>
- restrict PEP668 to ALP/Tumbleweed
* Mon Aug 07 2023 Daniel Garcia <[email protected]>
- Refresh all patches
- Drop Revert-gh105127-left-tests.patch, in upstream now
- Update to 3.12.0rc1:
- Reverted the :mod:`email.utils` security improvement change
released in 3.12beta4 that unintentionally caused
:mod:`email.utils.getaddresses` to fail to parse email addresses
with a comma in the quoted name field. See :gh:`106669`.
- Start initializing ob_digit during creation of
:c:type:`PyLongObject` objects. Patch by Illia Volochii.
- Increase C recursion limit for functions other than the main
interpreter from 800 to 1500. This should allow functions like
list.__repr__ and json.dumps to handle all the inputs that they
could prior to 3.12
- Fix potential unaligned memory access on C APIs involving returned
sequences of char * pointers within the :mod:`grp` and
:mod:`socket` modules. These were revealed using a
- fsaniziter=alignment build on ARM macOS. Patch by Christopher
Chavez.
- Add the exception as the third argument to PY_UNIND callbacks in
sys.monitoring. This makes the PY_UNWIND callback consistent with
the other exception hanlding callbacks.
- Raise a ValueError when a monitoring callback funtion returns
DISABLE for events that cannot be disabled locally.
- Add a RERAISE event to sys.monitoring, which occurs when an
exception is reraised, either explicitly by a plain raise
statement, or implicitly in an except or finally block.
- Unsupported modules now always fail to be imported.
- Fix classmethod-style :func:`super` method calls (i.e., where the
second argument to :func:`super`, or the implied second argument
drawn from self/cls in the case of zero-arg super, is a type) when
the target of the call is not a classmethod.
- Python no longer crashes due an infrequent race when initialzing
per-interpreter interned strings. The crash would manifest when
the interpreter was finalized.
- Python no longer crashes due to an infrequent race in setting
Py_FileSystemDefaultEncoding and Py_FileSystemDefaultEncodeErrors
(both deprecated), when simultaneously initializing two isolated
subinterpreters. Now they are only set during runtime
initialization.
- Fix a segmentation fault caused by a use-after-free bug in
frame_dealloc when the trashcan delays the deallocation of a
PyFrameObject.
- No longer suppress arbitrary errors in the __annotations__ getter
and setter in the type and module types.
- Propagate frozen_modules to multiprocessing spawned process
interpreters.
- Prevent out-of-bounds memory access during mmap.find() calls.
- Seems that in some conditions, OpenSSL will return
SSL_ERROR_SYSCALL instead of SSL_ERROR_SSL when a certification
verification has failed, but the error parameters will still
contain ERR_LIB_SSL and SSL_R_CERTIFICATE_VERIFY_FAILED. We are
now detecting this situation and raising the appropiate
ssl.SSLCertVerificationError. Patch by Pablo Galindo
- Fix :func:`types.get_original_bases` to only return
:attr:`!__orig_bases__` if it is present on cls directly. Patch by
James Hilton-Balfe.
- Prevent memory leak and use-after-free when using pointers to
pointers with ctypes
- Make :func:`gettext.pgettext` search plural definitions when
translation is not found.
- Document behavior of :func:`shutil.disk_usage` for non-mounted
filesystems on Unix.
- Do not report MultipartInvariantViolationDefect defect when the
:class:`email.parser.Parser` class is used to parse emails with
headersonly=True.
- Fix invalid result from :meth:`PurePath.relative_to` method when
attempting to walk a ".." segment in other with walk_up enabled. A
:exc:`ValueError` exception is now raised in this case.
- Fix potential missing NULL check of d2i_SSL_SESSION result in
_ssl.c.
- Update the bundled copy of pip to version 23.2.1.
- Fixed several bugs in zipfile.Path, including: in Path.match`,
Windows separators are no longer honored (and never were meant to
be); Fixed ``name/suffix/suffixes/stem operations when no filename
is present and the Path is not at the root of the zipfile;
Reworked glob for performance and more correct matching behavior.
- Add __copy__ and __deepcopy__ in :mod:`enum`
- Revert a change to :func:`colorsys.rgb_to_hls` that caused
division by zero for certain almost-white inputs. Patch by Terry
Jan Reedy.
- Instances of :class:`typing.TypeVar`, :class:`typing.ParamSpec`,
:class:`typing.ParamSpecArgs`, :class:`typing.ParamSpecKwargs`,
and :class:`typing.TypeVarTuple` once again support weak
references, fixing a regression introduced in Python 3.12.0 beta
1. Patch by Jelle Zijlstra.
- Detect possible memory allocation failure in the libtommath
function :c:func:`mp_init` used by the _tkinter module.
- Fix crash when calling repr with a manually constructed SignalDict
object. Patch by Charlie Zhao.
- Change the default return value of
:meth:`http.client.HTTPConnection.get_proxy_response_headers` to
be None and not {}.
- Ensure gettext(msg) retrieve translations even if a plural form
exists. In other words: gettext(msg) == ngettext(msg, '', 1).
- Add documentation for :c:type:`PyInterpreterConfig` and
:c:func:`Py_NewInterpreterFromConfig`. Also clarify some of the
nearby docs relative to per-interpreter GIL.
- Document the :mod:`curses` module variables :const:`~curses.LINES`
and :const:`~curses.COLS`.
- Add a number of standard external names to nitpick_ignore.
- Add documentation on how to localize the :mod:`argparse` module.
- test_logging: Fix test_udp_reconnection() by increasing the
timeout from 100 ms to 5 minutes (LONG_TIMEOUT). Patch by Victor
Stinner.
- test_capi: Fix test_no_FatalError_infinite_loop() to no longer
write a coredump, by using test.support.SuppressCrashReport. Patch
by Victor Stinner.
- Avoid creating a reference to the test object in
:meth:`~unittest.TestResult.collectedDurations`.
- Moved tests for zipfile.Path into Lib/test/test_zipfile/_path.
Made zipfile._path a package.
- Check for linux/limits.h before including it in
Modules/posixmodule.c.
- Detect MPI compilers in :file:`configure`.
- Add experimental wasi-threads support. Patch by Takashi Yamamoto.
- Update Windows build to use OpenSSL 3.0.9
- Update macOS installer to use OpenSSL 3.0.9.
- Fix bugs in the Argument Clinic destination <name> clear command;
the destination buffers would never be cleared, and the
destination directive parser would simply continue to the fault
handler after processing the command. Patch by Erlend E. Aasland.
- freeze now fetches CONFIG_ARGS from the original CPython instance
the Makefile uses to call utility scripts. Patch by Ijtaba
Hussain.
- :c:func:`PyModule_AddObjectRef` is now only available in the
limited API version 3.10 or later.
* Fri Aug 04 2023 Dirk Müller <[email protected]>
- add externally_managed.in to label this build as PEP-668 managed
* Thu Aug 03 2023 Matej Cepl <[email protected]>
- IT MEANS THAT bsc#1210638 STILL HAS NOT BEEN FIXED!
- Add Revert-gh105127-left-tests.patch (gh#python/cpython!106941)
partially reverting CVE-2023-27043-email-parsing-errors.patch,
because of the regression in gh#python/cpython#106669.
* Tue Jul 11 2023 Matej Cepl <[email protected]>
- Update to 3.12.0b4:
- gh-issue-102988: CVE-2023-27043 (bsc#1210638): Prevent
:func:`email.utils.parseaddr` and
:func:`email.utils.getaddresses` from returning the realname
portion of an invalid RFC2822 email header in the email
address portion of the 2-tuple returned after being parsed by
:class:`email._parseaddr.AddressList`.
- gh-issue-106396: When the format specification of an
f-string expression is empty, the parser now generates an
empty :class:`ast.JoinedStr` node for it instead of an
one-element :class:`ast.JoinedStr` with an empty string
:class:`ast.Constant`.
- gh-issue-106145: Make ``end_lineno`` and ``end_col_offset``
required on ``type_param`` ast nodes.
- gh-issue-105979: Fix crash in :func:`!_imp.get_frozen_object`
due to improper exception handling.
- gh-issue-98931: Ensure custom :exc:`SyntaxError` error
messages are raised for invalid imports with multiple
targets. Patch by Pablo Galindo
- gh-issue-105908: Fixed bug where :gh:`99111` breaks future
import ``barry_as_FLUFL`` in the Python REPL.
- gh-issue-105340: Include the comprehension iteration
variable in ``locals()`` inside a module- or class-scope
comprehension.
- gh-issue-105486: Change the repr of ``ParamSpec`` list of
args in ``types.GenericAlias``.
- gh-issue-101006: Improve error handling when read
:mod:`marshal` data.
- gh-issue-106524: Fix crash in :func:`!_sre.template` with
templates containing invalid group indices.
- gh-issue-106510: Improve debug output for atomic groups in
regular expressions.
- gh-issue-106503: Fix ref cycle in
:class:`!asyncio._SelectorSocketTransport` by removing
``_write_ready`` in ``close``.
- gh-issue-105497: Fix flag mask inversion when unnamed flags
exist.
- gh-issue-90876: Prevent :mod:`multiprocessing.spawn` from
failing to *import* in environments where ``sys.executable``
is ``None``. This regressed in 3.11 with the addition of
support for path-like objects in multiprocessing.
- gh-issue-106292: Check for an instance-dict
cached value in the :meth:`__get__` method of
:func:`functools.cached_property`. This better matches the
pre-3.12 behavior and improves compatibility for users
subclassing :func:`functools.cached_property` and adding a
:meth:`__set__` method.
- gh-issue-106330: Fix incorrect matching of empty paths in
:meth:`pathlib.PurePath.match`. This bug was introduced in
Python 3.12.0 beta 1.
- gh-issue-102541: Make pydoc.doc catch bad module ImportError
when output stream is not None.
- gh-issue-106152: Added PY_THROW event hook for
:mod:`cProfile` for generators
- gh-issue-106075: Added `asyncio.taskgroups.__all__` to
`asyncio.__all__` for export in star imports.
- gh-issue-105987: Fix crash due to improper reference counting
in :mod:`asyncio` eager task factory internal routines.
- gh-issue-105974: Fix bug where a :class:`typing.Protocol`
class that had one or more non-callable members would
raise :exc:`TypeError` when :func:`issubclass` was called
against it, even if it defined a custom ``__subclasshook__``
method. The behaviour in Python 3.11 and lower -- which has
now been restored -- was not to raise :exc:`TypeError` in
these situations if a custom ``__subclasshook__`` method was
defined. Patch by Alex Waygood.
- gh-issue-96145: Reverted addition of ``json.AttrDict``.
- gh-issue-105497: Fix flag inversion when alias/mask members
exist.
- gh-issue-104554: Add RTSPS scheme support in urllib.parse
- gh-issue-94777: Fix hanging :mod:`multiprocessing`
``ProcessPoolExecutor`` when a child process crashes while
data is being written in the call queue.
- gh-issue-106232: Make timeit doc command lines compatible
with Windows by using double quotes for arguments. This
works on linux and macOS also.
- gh-issue-101634: When running the Python test suite with
``-jN`` option, if a worker stdout cannot be decoded from
the locale encoding report a failed testn so the exitcode is
non-zero. Patch by Victor Stinner.
- gh-issue-106118: Fix compilation for platforms without
:data:`!O_CLOEXEC`. The issue was introduced with Python
3.12b1 in :gh:`103295`. Patch by Erlend Aasland.
- gh-issue-104692: Include ``commoninstall`` as a prerequisite
for ``bininstall``
This ensures that ``commoninstall`` is completed before
``bininstall`` is started when parallel builds are used (``make
- j install``), and so the ``python3`` symlink is only installed
after all standard library modules are installed.
- gh-issue-106359: Argument Clinic now explicitly forbids
"kwarg splats" in function calls used as annotations.
- gh-issue-105227: The new :c:func:`PyType_GetDict` provides
the dictionary for the given type object that is normally
exposed by ``cls.__dict__``. Normally it's sufficient to
use :c:member:`~PyTypeObject.tp_dict`, but for the static
builtin types :c:member:`!tp_dict` is now always ``NULL``.
:c:func:`!PyType_GetDict()` provides the correct dict object
instead.
* Wed Jun 28 2023 Matej Cepl <[email protected]>
- Update to 3.12.0b3:
- gh-103142: The version of OpenSSL used in Windows and
Mac installers has been upgraded to 1.1.1u to address
CVE-2023-2650, CVE-2023-0465, CVE-2023-0466, CVE-2023-0464,
as well as CVE-2023-0286, CVE-2022-4303, and CVE-2022-4303
fixed previously in 1.1.1t (gh-101727).
- gh-102153: urllib.parse.urlsplit() now strips leading C0
control and space characters following the specification for
URLs defined by WHATWG in response to CVE-2023-24329.
- gh-99889: Fixed a security in flaw in uu.decode() that could
allow for directory traversal based on the input if no
out_file was specified.
- gh-104049: Do not expose the local on-disk
location in directory indexes produced by
http.client.SimpleHTTPRequestHandler.
- gh-103935: trace.__main__ now uses io.open_code() for files
to be executed instead of raw open().
- gh-102953: The extraction methods in tarfile, and
shutil.unpack_archive(), have a new filter argument that
allows limiting tar features than may be surprising or
dangerous, such as creating files outside the destination
directory. See Extraction filters for details.
- Remove upstreamed patches:
- 00398-fix-stack-overwrite-on-32-bit-in-perf-map-test-harness-gh-104811-104823.patch
* Thu Jun 01 2023 Daniel Garcia <[email protected]>
- Add 00398-fix-stack-overwrite-on-32-bit-in-perf-map-test-harness-gh-104811-104823.patch
gh#python/cpython#104811
* Wed May 31 2023 Daniel Garcia <[email protected]>
- Refresh all patches
- Update to 3.12.0b1:
Full changelog can be found here
https://docs.python.org/dev/whatsnew/changelog.html#python-3-12-0-beta-1
* Sun Apr 30 2023 Matej Cepl <[email protected]>
- Why in the world we download from HTTP?
* Thu Apr 27 2023 Daniel Garcia <[email protected]>
- Ignore failing test test_freeze_simple_script, it fails because it
cannot import _sysconfigdata__linux_x86_64-linux-gnu that's not
present in the test environment, it fails without bundled libs.
- Remove non existing paths:
* %{sitedir}/tkinter/test
* %{sitedir}/sqlite3/test
* %{dynlib _curses_panel}
* Wed Apr 26 2023 Daniel Garcia <[email protected]>
- Update to 3.12.0a7:
Full changelog can be found here
https://docs.python.org/dev/whatsnew/changelog.html#python-3-12-0-alpha-7
* Mon Mar 27 2023 Matej Cepl <[email protected]>
- Switch off obsoleting previous interpreters.
* Sat Mar 25 2023 Matej Cepl <[email protected]>
- Update to 3.12.0a6:
- Many new features for Python 3.12 are still being planned and
written. Among the new major new features and changes so far:
- Even more improved error messages. More exceptions
potentially caused by typos now make suggestions to the
user.
- Support for the Linux perf profiler to report Python
function names in traces.
- The deprecated wstr and wstr_length members of the C
implementation of unicode objects were removed, per PEP
623.
- In the unittest module, a number of long deprecated methods
and classes were removed. (They had been deprecated since
Python 3.1 or 3.2).
- The deprecated smtpd and distutils modules have been
removed (see PEP 594 and PEP 632. The setuptools package
(installed by default in virtualenvs and many other places)
continues to provide the distutils module.
- A number of other old, broken and deprecated functions,
classes and methods have been removed.
- Invalid backslash escape sequences in strings now warn
with SyntaxWarning instead of DeprecationWarning, making
them more visible. (They will become syntax errors in the
future.)
- The internal representation of integers has changed in
preparation for performance enhancements. (This should not
affect most users as it is an internal detail, but it may
cause problems for Cython-generated code.)
- Add the refreshed version of
F00251-change-user-install-location.patch (updated from
Fedora), which works together with the installation schemes in
sysconfig.
- Remove distutils-reproducible-compile.patch, which is not
applicable anymore (because distutils was removed from the
standard library).
- Remove upstreamed support-expat-CVE-2022-25236-patched.patch
* Fri Mar 03 2023 Matej Cepl <[email protected]>
- Update to 3.11.2:
Bug fixes, no changes in API and no security bugs.
* Wed Mar 01 2023 Matej Cepl <[email protected]>
- Add python310 Obsoletes line to obsolete_python_versioned macro.
* Tue Feb 21 2023 Matej Cepl <[email protected]>
- Add provides for readline and sqlite3 to the main Python
package.
* Thu Jan 26 2023 Thorsten Kukuk <[email protected]>
- Disable NIS for new products, it's deprecated and gets removed
* Tue Jan 24 2023 Dirk Müller <[email protected]>
- build GLIBC hwcaps optimized versions of the interpreter
* Tue Jan 10 2023 Matej Cepl <[email protected]>
- Don't fail on Sphinx build warnings.
- For jsc#PED-1570, providing Python 3.11 for SLE-15-SP5.
* Thu Dec 08 2022 Matej Cepl <[email protected]>
- Update to 3.11.1:
- python -m http.server no longer allows terminal control
characters sent within a garbage request to be printed
to the stderr server lo This is done by changing the
http.server BaseHTTPRequestHandler .log_message method to
replace control characters with a \xHH hex escape before
printin
- Avoid publishing list of active per-interpreter audit hooks
via the gc module
- The IDNA codec decoder used on DNS hostnames by socket or
asyncio related name resolution functions no longer involves
a quadratic algorithm. This prevents a potential CPU denial
of service if an out-of-spec excessive length hostname
involving bidirectional characters were decoded. Some
protocols such as urllib http 3xx redirects potentially allow
for an attacker to supply such a name (CVE-2022-45061).
- Update bundled libexpat to 2.5.0
- Fix a shell code injection vulnerability in the
get-remote-certificate.py example script. The script no
longer uses a shell to run openssl commands. Issue reported
and initial fix by Caleb Shortt. Patch by Victor Stinner.
- Fix a crash when an object which does not have a dictionary
frees its instance values.
- Fix a bug in the tokenizer that could cause infinite
recursion when showing syntax warnings that happen in the
first line of the source. Patch by Pablo Galindo
- Fix an issue that could cause frames to be visible to Python
code as they are being torn down, possibly leading to memory
corruption or hard crashes of the interpreter.
- Fix a reference bug in _imp.create_builtin() after the
creation of the first sub-interpreter for modules builtins
and sys. Patch by Victor Stinner.
- Fixed a bug that was causing a buffer overflow if the
tokenizer copies a line missing the newline caracter from a
file that is as long as the available tokenizer buffer. Patch
by Pablo galindo
- Fix bug where an ExceptionGroup subclass can wrap a
BaseException.
- Fix zip path for venv created from a non-installed python on
POSIX platforms.
- Fix an issue that could potentially cause incorrect error
handling for some bytecode instructions.
- Fix an issue that prevented PyThreadState and
PyInterpreterState memory from being freed properly.
- Fix failure in except* with unhashable exceptions.
- Fix calculation of sys._base_executable when inside a POSIX
virtual environment using copies of the python binary when
the base installation does not provide the executable name
used by the venv. Calculation will fall back to alternative
names (“python<MAJOR>”, “python<MAJOR>.<MINOR>”).
- Update faulthandler to emit an error message with the proper
unexpected signal number. Patch by Dong-hee Na.
- Fix location of SyntaxError for a try block with both except
and except*.
- Fix the error reporting positions of specialized traceback
anchors when the source line contains Unicode characters.
- Fix subscription of type aliases containing bare generic
types or types like TypeVar: for example tuple[A, T][int] and
tuple[TypeVar, T][int], where A is a generic type, and T is a
type variable.
- Lower the recursion depth for marshal on WASI to support
wasmtime 2.0/main.
- Fix multiple crashes in debug mode when str subclasses are
used instead of str itself.
- Fix an issue where member descriptors (such as those for
__slots__) could behave incorrectly or crash instead of
raising a TypeError when accessed via an instance of an
invalid type.
- Suppress ImportError for invalid query for help()
command. Patch by Dong-hee Na.
- Fix detection of MAC addresses for uuid on certain OSs. Patch
by Chaim Sanders
- Print exception class name instead of its string
representation when raising errors from ctypes calls.
- os.sched_yield() now release the GIL while calling
sched_yield(2). Patch by Dong-hee Na.
- Fix an issue that could delay the specialization of PRECALL
instructions.
- Bugfix: PyFunction_GetAnnotations() should return a borrowed
reference. It was returning a new reference.
- Ensure that all Python frame objects are backed by “complete”
frames.
- Fixed a missing incref/decref pair in
Exception.__setstate__(). Patch by Ofey Chan.
- Fix the Python path configuration used to initialized
sys.path at Python startup. Paths are no longer encoded
to UTF-8/strict to avoid encoding errors if it contains
surrogate characters (bytes paths are decoded with the
surrogateescape error handler). Patch by Victor Stinner.
- Fix overly-broad source position information for chained
comparisons used as branching conditions.
- At Python exit, sometimes a thread holding the GIL can
wait forever for a thread (usually a daemon thread) which
requested to drop the GIL, whereas the thread already
exited. To fix the race condition, the thread which requested
the GIL drop now resets its request before exiting. Issue
discovered and analyzed by Mingliang ZHAO. Patch by Victor
Stinner.
- Fix a possible assertion failure, fatal error, or SystemError
if a line tracing event raises an exception while opcode
tracing is enabled.
- Fix undefined behaviour in C code of null pointer arithmetic.
- Make sure that all frame objects created are created from
valid interpreter frames. Prevents the possibility of invalid
frames in backtraces and signal handlers.
- Disable incorrect pickling of the C implemented classmethod
descriptors.
- On WASI ENOTCAPABLE is now mapped to PermissionError. The
errno modules exposes the new error number. getpath.py now
ignores PermissionError when it cannot open landmark files
pybuilddir.txt and pyenv.cfg.
- Allow pdb to locate source for frozen modules in the standard
library.
- Raise ValueError instead of SystemError when methods of
uninitialized io.IncrementalNewlineDecoder objects are
called. Patch by Oren Milman.
- Fix a possible assertion failure in io.FileIO when the opener
returns an invalid file descriptor.
- Also escape s in the http.server
BaseHTTPRequestHandler.log_message so that it is technically
possible to parse the line and reconstruct what the original
data was. Without this a xHH is ambiguious as to if it is a
hex replacement we put in or the characters r”x” came through
in the original request line.
- asyncio.get_event_loop() now only emits a deprecation warning
when a new event loop was created implicitly. It no longer
emits a deprecation warning if the current event loop was
set.
- Fix bug when calling trace.CoverageResults with valid infile.
- Fix a bug in handling class cleanups in
unittest.TestCase. Now addClassCleanup() uses separate lists
for different TestCase subclasses, and doClassCleanups() only
cleans up the particular class.
- Release the GIL when calling termios APIs to avoid blocking
threads.
- Fix ast.increment_lineno() to also cover ast.TypeIgnore when
changing line numbers.
- Fix bug in urllib.parse.urlparse() that causes URL schemes
that begin with a digit, a plus sign, or a minus sign to be
parsed incorrectly.
- Check the number of arguments in substitution in user
generics containing a TypeVarTuple and one or more TypeVar.
- Fix substitution of ParamSpec followed by TypeVarTuple in
generic aliases.
- Fix substitution of TypeVarTuple and ParamSpec together in
user generics.
- Fixed bug where inspect.signature() reported incorrect
arguments for decorated methods.
- Fix SystemError in ctypes when exception was not set during
__initsubclass__.
- Remove older version of
_SSLProtocolTransport.get_write_buffer_limits in
asyncio.sslproto
- fix negative numbers failing in verify()
- Fix statistics.NormalDist pickle with 0 and 1 protocols.
- enum.auto() is now correctly activated when combined with
other assignment values. E.g. ONE = auto(), 'some text' will
now evaluate as (1, 'some text').
- Update the bundled copy of pip to version 22.3.1.
- Clean up refleak on failed module initialisation in _zoneinfo
- Clean up refleaks on failed module initialisation in in
_pickle
- Clean up refleak on failed module initialisation in _io.
- Fix memory leak in math.dist() when both points don’t have
the same dimension. Patch by Kumar Aditya.
- [3.11] Applied changes from importlib_metadata 4.11.4
through 4.13, including compatibility and robustness
fixes for Distribution objects without _normalized_name,
disallowing invalid inputs to Distribution.from_name, and
refined behaviors in PathDistribution._name_from_stem and
PathDistribution._normalized_name.
- Fix argument typechecks in _overlapped.WSAConnect() and
_overlapped.Overlapped.WSASendTo() functions.
- Prevent crashing in traceback when retrieving the byte-offset
for some source files that contain certain unicode
characters.
- Fix internal error in the re module which in very rare
circumstances prevented compilation of a regular expression
containing a conditional expression without the “else”
branch.
- Fix asyncio.StreamWriter.drain() to call
protocol.connection_lost callback only once on Windows.
- Add a mutex to unittest.mock.NonCallableMock to protect
concurrent access to mock attributes.
- Fix hang on Windows in subprocess.wait_closed() in asyncio
with ProactorEventLoop. Patch by Kumar Aditya.
- Fix infinite loop in unittest when a self-referencing chained
exception is raised
- tkinter.Text.count() raises now an exception for options
starting with “-” instead of silently ignoring them.
- On uname_result, restored expectation that _fields and
_asdict would include all six properties including processor.
- A createSocket() method was added to SysLogHandler.
- Fix bug in urllib.parse.urlparse() that causes certain port
numbers containing whitespace, underscores, plus and minus
signs, or non-ASCII digits to be incorrectly accepted.
- Allow venv to pass along PYTHON* variables to ensurepip and
pip when they do not impact path resolution
- On macOS, fix a crash in syslog.syslog() in multi-threaded
applications. On macOS, the libc syslog() function is not
thread-safe, so syslog.syslog() no longer releases the GIL to
call it. Patch by Victor Stinner.
- Allow BUILTINS to be a valid field name for frozen
dataclasses.
- Wrap network errors consistently in urllib FTP support, so
the test suite doesn’t fail when a network is available but
the public internet is not reachable.
- Make sure patch.dict() can be applied on async functions.
- Earlier in 3.11 we deprecated
asyncio.Task.cancel("message"). We realized we were too
harsh, and have undeprecated it.
- Change deprecate warning message in unittest from It is
deprecated to return a value!=None to It is deprecated to
return a value that is not None from a test case
- Fixes AttributeError when subprocess.check_output() is used
with argument input=None and either of the arguments encoding
or errors are used.
- Fix is_private properties in the ipaddress module. Previously
non-private networks (0.0.0.0/0) would return True from this
method; now they correctly return False.
- Avoid spurious tracebacks from asyncio when default executor
cleanup is delayed until after the event loop is closed (e.g.
as the result of a keyboard interrupt).
- Avoid a crash in the C version of
asyncio.Future.remove_done_callback() when an evil argument
is passed.
- Remove tokenize.NL check from tabnanny.
- Fix generation of the default name of
tkinter.Checkbutton. Previously, checkbuttons in different
parent widgets could have the same short name and share
the same state if arguments “name” and “variable” are not
specified. Now they are globally unique.
- Update bundled libexpat to 2.4.9
- Fix race condition in asyncio where process_exited() called
before the pipe_data_received() leading to inconsistent
output. Patch by Kumar Aditya.
- Fixed check in multiprocessing.resource_tracker that
guarantees that the length of a write to a pipe is not
greater than PIPE_BUF.
- Corrected type annotation for dataclass attribute
pstats.FunctionProfile.ncalls to be str.
- Fix repr of Any subclasses.
- Work around missing socket functions in socket’s __repr__.
- In inspect, fix overeager replacement of “typing.” in
formatting annotations.
- Fix handling of bytes path-like objects in os.ismount().
- Fix handling compiler warnings (SyntaxWarning and
DeprecationWarning) in codeop.compile_command() when checking
for incomplete input. Previously it emitted warnings and
raised a SyntaxError. Now it always returns None for
incomplete input without emitting any warnings.
- To avoid apparent memory leaks when asyncio.open_connection()
raises, break reference cycles generated by local exception
and future instances (which has exception instance as its
member var). Patch by Dong Uk, Kang.
- Fixed flickering of the turtle window when the tracer is
turned off. Patch by Shin-myoung-serp.
- Fix asyncio subprocess transport to kill process cleanly
when process is blocked and avoid RuntimeError when loop is
closed. Patch by Kumar Aditya.
- Prevent error when activating venv in nested fish instances.
- TarFile.next() now returns None when called on an empty
tarfile.
- Document the optional callback parameter of WeakMethod. Patch
by Géry Ogam.
- Restrict use of sockets instead of pipes for stdin of
subprocesses created by asyncio to AIX platform only.
- shutil.copytree() now applies the ignore_dangling_symlinks
argument recursively.
- Fix IndexError in argparse.ArgumentParser when a store_true
action is given an explicit argument.
- Document that calling variadic functions with ctypes requires
special care on macOS/arm64 (and possibly other platforms).
- Remove extra row
- Clarified the conflicting advice given in the ast
documentation about ast.literal_eval() being “safe” for use
on untrusted input while at the same time warning that it
can crash the process. The latter statement is true and is
deemed unfixable without a large amount of work unsuitable
for a bugfix. So we keep the warning and no longer claim that
literal_eval is safe.
- Restructured the documentation for the os.wait* family of
functions, and improved the docs for os.waitid() with more
explanation of the possible argument constants.
- Skip test_normalization() of test_unicodedata if it
fails to download NormalizationTest.txt file from
pythontest.net. Patch by Victor Stinner.
- Correct test_marsh on (32 bit) x86: test_deterministic sets
was failing.
- Optional big memory tests in test_sqlite3 now catch the
correct sqlite.DataError exception type in case of too large
strings and/or blobs passed.
- Fix a bug in the typing tests where a test relying
on CPython-specific implementation details was not
decorated with @cpython_only and was not skipped on other
implementations.
- Add tests for star-unpacking with PEP 646, and some other
miscellaneous PEP 646 tests.
- Added explicit coverage of Py_Initialize (and hence
Py_InitializeEx) back to the embedding tests (all other
embedding tests migrated to Py_InitializeFromConfig in Python
3.11)
- Some C API tests were moved into the new Lib/test/test_capi/
directory.
- Fix -Wimplicit-int, -Wstrict-prototypes, and
- Wimplicit-function-declaration compiler warnings in
configure checks.
- Fix a compilation issue with GCC 12 on macOS.
- Fix -Wimplicit-int compiler warning in configure check for
PTHREAD_SCOPE_SYSTEM.
- Fix a possible fd leak in Programs/_freeze_module.c
introduced in Python 3.11.
- Fix build with PYTHON_FOR_REGEN=python3.8.
- Specify the full path to the source location for make
docclean (needed for cross-builds).
- Don’t use vendored libmpdec headers if --with-system-libmpdec
is passed to configure. Don’t use vendored libexpat headers
if --with-system-expat is passed to !configure.
- Fix the build process of clang compiler for _bootstrap_python
if LTO optimization is applied. Patch by Matthias Görgens and
Dong-hee Na.
- wasm32-emscripten builds for browsers now include
concurrent.futures for asyncio and unittest.mock.
- wasm32-emscripten platform no longer builds resource module,
getresuid(), getresgid(), and their setters. The APIs are
stubs and not functional.
- Updated pegen regeneration script on Windows to find and
use Python 3.9 or higher. Prior to this, pegen regeneration
already required 3.9 or higher, but the script may have used
lower versions of Python.
- Fix a bug in the previous bugfix that caused IDLE to
not start when run with 3.10.8, 3.12.0a1, and at least
Microsoft Python 3.10.2288.0 installed without the Lib/test
package. 3.11.0 was never affected.
- The wasm_build.py script now pre-builds Emscripten ports,
checks for broken EMSDK versions, and warns about pkg-config
env vars.
- The new tool Tools/wasm/wasm_builder.py automates configure,
compile, and test steps for building CPython on WebAssembly
platforms.
- Fix handling of module docstrings in Tools/i18n/pygettext.py.
- PyBUF_* constants were marked as part of Limited API
of Python 3.11+. These were available in 3.11.0 with
Py_LIMITED_API defined for 3.11, and are necessary to use the
buffer API.
- Fix use-after-free in Py_SetPythonHome(NULL),
Py_SetProgramName(NULL) and _Py_SetProgramFullPath(NULL)
function calls. Issue reported by Benedikt Reinartz. Patch by
Victor Stinner.
- Py_InitializeEx now correctly calls PyConfig_Clear after
initializing the interpreter (the omission didn’t cause a
memory leak only because none of the dynamically allocated
config fields are populated by the wrapper function)
- Removed upstreamed patches:
- 98437-sphinx.locale._-as-gettext-in-pyspecific.patch
- CVE-2022-45061-DoS-by-IDNA-decode.patch
* Wed Nov 09 2022 Matej Cepl <[email protected]>
- Add CVE-2022-45061-DoS-by-IDNA-decode.patch to avoid
CVE-2022-45061 (bsc#1205244) allowing DoS by IDNA decoding
extremely long domain names.
* Tue Oct 25 2022 Matej Cepl <[email protected]>
- Update to 3.11.0 (overall changes from 3.10.*):
- General changes
- PEP 657 -- Include Fine-Grained Error Locations in
Tracebacks
- PEP 654 -- Exception Groups and except*
- PEP 680 -- tomllib: Support for Parsing TOML in the
Standard Library
- gh-90908 -- Introduce task groups to asyncio
- gh-34627 -- Atomic grouping ((?>...)) and possessive
quantifiers (*+, ++, ?+, {m,n}+) are now supported in
regular expressions.
- The Faster CPython Project is already yielding some
exciting results. Python 3.11 is up to 10-60% faster than
Python 3.10. On average, we measured a 1.22x speedup on the
standard benchmark suite. See Faster CPython for details.
- Typing and typing language changes
- PEP 673 -- Self Type
- PEP 646 -- Variadic Generics
- PEP 675 -- Arbitrary Literal String Type
- PEP 655 -- Marking individual TypedDict items as required
or potentially-missing
- PEP 681 -- Data Class Transforms
- (just changes from 3.11.0rc2):
- Fix multiplying a list by an integer (list *= int): detect
the integer overflow when the new allocated length is close
to the maximum size. Issue reported by Jordan Limor. Patch by
Victor Stinner.
- On Linux the multiprocessing module returns to using
filesystem backed unix domain sockets for communication
with the forkserver process instead of the Linux abstract
socket namespace. Only code that chooses to use the
“forkserver” start method is affected. Abstract sockets have
no permissions and could allow any user on the system in the
same network namespace (often the whole system) to inject
code into the multiprocessing forkserver process. This was
a potential privilege escalation. Filesystem based socket
permissions restrict this to the forkserver process user as
was the default in Python 3.8 and earlier. This prevents
Linux CVE-2022-42919.
- Fix an issue where several frame objects could be backed by
the same interpreter frame, possibly leading to corrupted
memory and hard crashes of the interpreter.
- Fix possible data corruption or crashes when accessing the
f_back member of newly-created generator or coroutine frames.
- Fix a crash occurring when PyEval_GetFrame() is called while
the topmost Python frame is in a partially-initialized state.
- Fix command line parsing: reject -X int_max_str_digits option
with no value (invalid) when the PYTHONINTMAXSTRDIGITS
environment variable is set to a valid limit. Patch by Victor
Stinner.
- Fix undefined behaviour in _testcapimodule.c.
- When ValueError is raised if an integer is larger than the
limit, mention the sys.set_int_max_str_digits() function in
the error message. Patch by Victor Stinner.
- Correctly raise SyntaxError on exception groups (PEP 654) on
python versions prior to 3.11
- Document some places where an assignment expression needs
parentheses.
- Update the bundled copies of pip and setuptools to versions
22.3 and 65.5.0 respectively.
- fix Flag to use boundary CONFORM
- This restores previous Flag behavior of allowing flags with
non-sequential values to be combined; e.g.
- class Skip(Flag): TWO = 2 EIGHT = 8
- Skip.TWO | Skip.EIGHT -> <Skip.TWO|EIGHT: 10>
- Fix ! in c domain ref target syntax via a conf.py patch, so
it works as intended to disable ref target resolution.
- Update tutorial introduction output to use 3.10+ SyntaxError
invalid range.
* Fri Oct 21 2022 Matej Cepl <[email protected]>
- Add 98437-sphinx.locale._-as-gettext-in-pyspecific.patch to
allow building of documentation with the latest Sphinx 5.3.0
(gh#python/cpython#98366).
* Thu Sep 15 2022 Matej Cepl <[email protected]>
- Update to 3.11.0rc2:
- Converting between int and str in bases other than 2
(binary), 4, 8 (octal), 16 (hexadecimal), or 32 such as base
10 (decimal) now raises a ValueError if the number of digits
in string form is above a limit to avoid potential denial of
service attacks due to the algorithmic complexity. This is
a mitigation for CVE-2020-10735.
This new limit can be configured or disabled by environment
variable, command line flag, or sys APIs. See the integer
string conversion length limitation documentation. The
default limit is 4300 digits in string form.
- Fix case of undefined behavior in ceval.c
- Do not expose KeyWrapper in _functools.
- Ensure that tracing, sys.setrace(), is turned on
immediately. In pre-release versions of 3.11, some tracing
events might have been lost when turning on tracing in a
__del__ method or interrupt.
- Fix use after free in trace refs build mode. Patch by Kumar
Aditya.
- When loading a file with invalid UTF-8 inside a multi-line
string, a correct SyntaxError is emitted.
- Make sure that incomplete frames do not show up in
tracemalloc traces.
- Remove two cases of undefined behavior, by adding NULL
checks.
- Fix possible NULL pointer dereference in
_PyThread_CurrentFrames. Patch by Kumar Aditya.
- Fix AttributeError missing name and obj attributes in
object.__getattribute__(). Patch by Philip Georgi.
- Loading a file with invalid UTF-8 will now report the broken
character at the correct location.
- Fixed a bug that caused _PyCode_GetExtra to return garbage
for negative indexes. Patch by Pablo Galindo
- Fix a deadlock in PyGILState_Ensure() when allocating new
thread state. Patch by Kumar Aditya.
- PyType_Ready() now initializes ht_cached_keys and performs
additional checks to ensure that type objects are properly
configured. This avoids crashes in 3rd party packages that
don’t use regular API to create new types.
- Skip over incomplete frames in PyThreadState_GetFrame().
- Fix format string in _PyPegen_raise_error_known_location that
can lead to memory corruption on some 64bit systems. The
function was building a tuple with i (int) instead of n
(Py_ssize_t) for Py_ssize_t arguments.
- Fix misleading contents of error message when converting an
all-whitespace string to float.
- ast.parse() will no longer parse function definitions with
positional-only params when passed feature_version less than
(3, 8). Patch by Shantanu Jain.
- Fix incorrect error message in the io module.
- Fix the faulthandler implementation of
faulthandler.register(signal, chain=True) if the sigaction()
function is not available: don’t call the previous signal
handler if it’s NULL. Patch by Victor Stinner.
- Correct conversion of numbers.Rational’s to float.
- Fix TypeVarTuple.__typing_prepare_subst__. TypeError was not
raised when using more than one TypeVarTuple, like [*T, *V]
in type alias substitutions.
- Fix asyncio.streams.StreamReaderProtocol to keep a strong
reference to the created task, so that it’s not garbage
collected
- Fix a performance regression in logging
TimedRotatingFileHandler. Only check for special files when
the rollover time has passed.
- Fix unused localName parameter in the Attr class in
xml.dom.minidom.
- Fix incorrect condition that causes sys.thread_info.name to
be wrong on pthread platforms.
- Remove an incompatible change from bpo-28080 that caused a
regression that ignored the utf8 in ZipInfo.flag_bits. Patch
by Pablo Galindo.
- Fix asyncio.Runner to call asyncio.set_event_loop() only
once to avoid calling attach_loop() multiple times on child
watchers. Patch by Kumar Aditya.
- Fix unittest.IsolatedAsyncioTestCase to set event loop before
calling setup functions. Patch by Kumar Aditya.
- When a task catches asyncio.CancelledError and raises some
other error, the other error should generally not silently be
suppressed.
- Fail gracefully if EPERM or ENOSYS is raised when loading
crypt methods. This may happen when trying to load MD5 on a
Linux kernel with FIPS enabled.
- Allow asyncio.StreamWriter.drain() to be awaited concurrently
by multiple tasks. Patch by Kumar Aditya.
- Fix ast.unparse() when ImportFrom.level is None
- Improve discoverability of the higher level
concurrent.futures module by providing clearer links from the
lower level threading and multiprocessing modules.
- What’s New 3.11 now has instructions for how to provide
compiler and linker flags for Tcl/Tk and OpenSSL on RHEL 7
and CentOS 7.
- Mitigate the inherent race condition from using
find_unused_port() in testSockName() by trying to find an
unused port a few times before failing. Patch by Ross Burton.
- Build and test with OpenSSL 1.1.1q
- Use support-expat-CVE-2022-25236-patched.patch from the current
version of gh#python/cpython#93900 instead of the old
support-expat-245.patch.
- Reapply fix_configure_rst.patch.
* Mon Sep 05 2022 Andreas Schwab <[email protected]>
- Increase testsuite timeout for test_freeze_simple_script
* Sat Aug 20 2022 Matej Cepl <[email protected]>
- fix import_failed.map to refer to the python 3.11 package versions
* Sat Aug 20 2022 Matej Cepl <[email protected]>
- Update to 3.11.0rc1:
- Core and Builtins
- Update code object hashing and equality to consider all
debugging and exception handling tables. This fixes an
issue where certain non-identical code objects could be
“deduplicated” during compilation.
- _PyPegen_Parser_New now properly detects token memory
allocation errors. Patch by Honglin Zhu.
- Run Python code in tracer/profiler function at full
speed. Fixes slowdown in earlier versions of 3.11.
- Emit a warning in debug mode if an object does not call
PyObject_GC_UnTrack() before deallocation. Patch by Pablo
Galindo.
- Prevented crashes in the AST constructor when
compiling some absurdly long expressions like
"+0"*1000000. RecursionError is now raised instead. Patch
by Pablo Galindo
- ast.AST node positions are now validated when provided to
compile() and other related functions. If invalid positions
are detected, a ValueError will be raised.
- Fix error detection in some builtin functions when keyword
argument name is an instance of a str subclass with
overloaded __eq__ and __hash__. Previously it could cause
SystemError or other undesired behavior.
- Library
- Update bundled pip to 22.2.2.
- Fix asyncio.TaskGroup to propagate exception when
asyncio.CancelledError was replaced with another exception
by a context manger. Patch by Kumar Aditya and Guido van
Rossum.
- Update bundled pip to 22.2.1.
- Fix GC crash when deallocating _lsprof.Profiler by
untracking it before calling any callbacks. Patch by Kumar
Aditya.
- Fix asyncio.run() for asyncio.Task implementations without
uncancel() method. Patch by Kumar Aditya.
- Fix check for existence of os.EFD_CLOEXEC, os.EFD_NONBLOCK
and os.EFD_SEMAPHORE flags on older kernel versions where
these flags are not present. Patch by Kumar Aditya.
- Fix concurrent.futures.Executor.map() to cancel the
currently waiting on future on an error - e.g. TimeoutError
or KeyboardInterrupt.
- Ensure that timeouts scheduled with asyncio.Timeout that
have already expired are delivered promptly.
- Suppress writing an XML declaration in open files
in ElementTree.write() with encoding='unicode' and
xml_declaration=None.
- Fix findtext in the xml module to only give an empty string
when the text attribute is set to None.
- Documentation
- Fix stylesheet not working in Windows CHM htmlhelp docs
and add warning that they are deprecated. Contributed by
C.A.M. Gerlach.
- Update library documentation with availability information
on WebAssembly platforms wasm32-emscripten and wasm32-wasi.
- Use consistent syntax for platform availability. The
directive now supports a content body and emits a warning
when it encounters an unknown platform.
- Document a limitation in ThreadPoolExecutor where its exit
handler is executed before any handlers in atexit.
- Tests
- Lib/test/test_asyncio/test_ssl.py exposed a bug in the
macOS kernel where intense concurrent load on non-blocking
sockets occasionally causes errno.ENOBUFS (“No buffer space
available”) to be emitted. FB11063974 filed with Apple, in
the mean time as a workaround buffer size used in tests on
macOS is decreased to avoid intermittent failures. Patch by
Fantix King.
- Fix problem with test_ssl test_get_ciphers on systems that
require perfect forward secrecy (PFS) ciphers.
- Add a regression test for re exponentional slowdown when
using rjsmin.
- Build
- Fix a regression in configure script that caused some
header checks to ignore custom CPPFLAGS. The regression was
introduced in gh-94802.
- wasm32-wasi builds no longer depend on WASIX’s pthread
stubs. Python now has its own stubbed pthread API.
- Python now detects missing dup function in WASI and works
around some missing errno, select, and socket constants.
- Python now skips missing socket functions and methods on
WASI. WASI can only create sockets from existing fd /
accept and has no netdb.
- Platforms wasm32-unknown-emscripten and wasm32-unknown-wasi
have been promoted to PEP 11 tier 3 platform support.
- IDLE
- Document handling of extensions in Save As dialogs.
- Include prompts when saving Shell (interactive input and
output).
- Fix the Shell context menu copy-with-prompts bug of copying
an extra line when one selects whole lines.
- In the Edit menu, move Select All and add a new separator.
- Enable using IDLE’s module browser with .pyw files.
- Add .pyi as a recognized extension for IDLE on macOS. This
allows opening stub files by double clicking on them in the
Finder.
- C API
- Restore the 3.10 behavior for multiple inheritance of C
extension classes that store their dictionary at the end of
the struct.
- Added PyCode_GetVarnames(), PyCode_GetCellvars() and
PyCode_GetFreevars() for accessing co_varnames, co_cellvars
and co_freevars respectively via the C API.
* Tue Jul 26 2022 Matej Cepl <[email protected]>
- Update to 3.11.0b5:
- Core and Builtins
- gh-93351: ast.AST node positions are now validated when
provided to compile() and other related functions. If
invalid positions are detected, a ValueError will be
raised.
- gh-94438: Fix an issue that caused extended opcode
arguments and some conditional pops to be ignored when
calculating valid jump targets for assignments to the
f_lineno attribute of frame objects. In some cases, this
could cause inconsistent internal state, resulting in a
hard crash of the interpreter.
- gh-95060: Undocumented PyCode_Addr2Location function now
properly returns when addrq argument is less than zero.
- gh-95113: Replace all EXTENDED_ARG_QUICK instructions
with basic EXTENDED_ARG instructions in unquickened
code. Consumers of non-adaptive bytecode should be able to
handle extended arguments the same way they were handled in
CPython 3.10 and older.
- gh-91409: Fix incorrect source location info caused by
certain optimizations in the bytecode compiler.
- gh-94036: Fix incorrect source location info for some
multi-line attribute accesses and method calls.
- gh-94739: Allow jumping within, out of, and across
exception handlers in the debugger.
- gh-94949: ast.parse() will no longer parse parenthesized
context managers when passed feature_version less than (3,
9). Patch by Shantanu Jain.
- gh-94947: ast.parse() will no longer parse assignment
expressions when passed feature_version less than (3,
8). Patch by Shantanu Jain.
- gh-91256: Ensures the program name is known for help text
during interpreter startup.
- gh-94869: Fix the column offsets for some expressions in
multi-line f-strings ast nodes. Patch by Pablo Galindo.
- gh-94822: Fix an issue where lookups of metaclass
descriptors may be ignored when an identically-named
attribute also exists on the class itself.
- gh-91153: Fix an issue where a bytearray item assignment
could crash if it’s resized by the new value’s __index__()
method.
- gh-90699: Fix reference counting bug in
bool.__repr__(). Patch by Kumar Aditya.
- Library
- gh-95087: Fix IndexError in parsing invalid date in the
email module.
- gh-95199: Upgrade bundled setuptools to 63.2.0.
- gh-95194: Upgrade bundled pip to 22.2.
- gh-95132: Fix a sqlite3 regression where *args and **kwds
were incorrectly relayed from connect() to the Connection
factory. The regression was introduced in 3.11a1 with PR
24421 (gh-85128). Patch by Erlend E. Aasland.`
- gh-93157: Fix fileinput module didn’t support errors option
when inplace is true.
- gh-95105: wsgiref.types.InputStream.__iter__() should
return Iterator[bytes], not Iterable[bytes]. Patch by
Shantanu Jain.
- gh-94857: Fix refleak in
_io.TextIOWrapper.reconfigure. Patch by Kumar Aditya.
- gh-94821: Fix binding of unix socket to empty address
on Linux to use an available address from the abstract
namespace, instead of “0”.
- gh-89988: Fix memory leak in pickle.Pickler when looking up
dispatch_table. Patch by Kumar Aditya.
- bpo-47025: Drop support for bytes on sys.path.
- Tests
- gh-95212: Make multiprocessing test case
test_shared_memory_recreate parallel-safe.
- Build
- gh-94847: Fixed _decimal module build issue on GCC when
compiling with LTO and pydebug. Debug builds no longer
force inlining of functions.
- gh-94841: Fix the possible performance regression of
PyObject_Free() compiled with MSVC version 1932.
- gh-94801: configure now uses custom flags like ZLIB_CFLAGS
and ZLIB_LIBS when searching for headers and libraries.
- gh-94773: deepfreeze.py now supports code object with
frozensets that contain incompatible, unsortable types.
- C API
- gh-94930: Fix SystemError raised when
PyArg_ParseTupleAndKeywords() is used with # in (...) but
without PY_SSIZE_T_CLEAN defined.
- gh-94864: Fix PyArg_Parse* with deprecated format units “u”
and “Z”. It returned 1 (success) when warnings are turned
into exceptions.
- gh-94731: Python again uses C-style casts for
most casting operations when compiled with
C++. This may trigger compiler warnings, if they
are enabled with e.g. -Wold-style-cast `` or
``-Wzero-as-null-pointer-constant options for g++.
* Thu Jul 21 2022 Matej Cepl <[email protected]>
- Switch from %primary_interpreter to prjconf-defined
%primary_python (gh#openSUSE/python-rpm-macros#127).
* Thu Jul 14 2022 Matej Cepl <[email protected]>
- Update to 3.11.0b4:
- Fixes many bugs and adds following more significant changes
- Security
- gh-68966: The deprecated mailcap module now refuses to inject
Coreunsafe text (filenames, MIME types, parameters) into
shell Corecommands. Instead of using such text, it will
warn and act Coreas if a match was not found (or for test
commands, as if the Coretest failed). and Builtins
- gh-93516: Lazily create a table mapping bytecode offsets to
line numbers to speed up calculation of line numbers when
tracing.
- gh-93461: importlib.invalidate_caches() now drops entries
from sys.path_importer_cache with a relative path as
name. This solves a caching issue when a process changes its
current working directory.
- FileFinder no longer inserts a dot in the path, e.g.
/egg/./spam is now /egg/spam.
Library
- gh-93896: Fix asyncio.run() and
unittest.IsolatedAsyncioTestCase to always the set event loop
as it was done in Python 3.10 and earlier. Patch by Kumar
Aditya.
- gh-94101: Manual instantiation of ssl.SSLSession objects is
no longer allowed as it lead to misconfigured instances that
crashed the interpreter when attributes where accessed on
them.
- gh-83658: Make multiprocessing.Pool raise an exception if
maxtasksperchild is not None or a positive int.
- gh-61162: Clarify sqlite3 behavior when Using the connection
as a context manager.
Tools/Demos
- gh-94538: Fix Argument Clinic output to custom file
destinations. Patch by Erlend E. Aasland.
C API
- gh-93937: The following frame functions and type are now
directly available with #include <Python.h>, it’s no longer
needed to add #include <frameobject.h>:
PyFrame_Check()
PyFrame_GetBack()
PyFrame_GetBuiltins()
PyFrame_GetGenerator()
PyFrame_GetGlobals()
PyFrame_GetLasti()
PyFrame_GetLocals()
PyFrame_Type
* Tue May 31 2022 Matej Cepl <[email protected]>
- Update to 3.11.0b2:
- many small updates
- Add patch support-expat-245.patch:
* Support Expat >= 2.4.4 (jsc#SLE-21253)
* Tue May 10 2022 Matej Cepl <[email protected]>
- Refresh bluez-devel-vendor.tar.xz
- Fix building with system-expat (gh#python/cpython#92875). Nope,
it didn't work, worked around it.
* Mon May 09 2022 Matej Cepl <[email protected]>
- Update to pre-release version 3.11.0b1:
- PEP 657 – Include Fine-Grained Error Locations in Tracebacks
- PEP 654 – Exception Groups and except*
- PEP 673 – Self Type
- PEP 646 – Variadic Generics
- PEP 680– tomllib: Support for Parsing TOML in the Standard Library
- PEP 675– Arbitrary Literal String Type
- PEP 655– Marking individual TypedDict items as required or potentially-missing
- bpo-46752– Introduce task groups to asyncio
- The Faster Cpython Project is already yielding some exciting
results. Python 3.11 is up to 10-60% faster than Python
3.10. On average, we measured a 1.22x speedup on the standard
benchmark suite. See
https://docs.python.org/3.11/whatsnew/3.11.html#faster-cpython
for details.
* Thu May 05 2022 Matej Cepl <[email protected]>
- Switch primary_interpreter from python38 to python310
* Sat Mar 26 2022 Matej Cepl <[email protected]>
- Update to 3.10.4:
- bpo-46968: Check for the existence of the “sys/auxv.h” header
in faulthandler to avoid compilation problems in systems
where this header doesn’t exist. Patch by Pablo Galindo
- bpo-23691: Protect the re.finditer() iterator from
re-entering.
- bpo-42369: Fix thread safety of zipfile._SharedFile.tell() to
avoid a “zipfile.BadZipFile: Bad CRC-32 for file” exception
when reading a ZipFile from multiple threads.
- bpo-38256: Fix binascii.crc32() when it is compiled to use
zlib’c crc32 to work properly on inputs 4+GiB in length
instead of returning the wrong result. The workaround prior
to this was to always feed the function data in increments
smaller than 4GiB or to just call the zlib module function.
- bpo-39394: A warning about inline flags not at the start of
the regular expression now contains the position of the flag.
- bpo-47061: Deprecate the various modules listed by PEP 594:
- aifc, asynchat, asyncore, audioop, cgi, cgitb, chunk, crypt,
imghdr, msilib, nntplib, nis, ossaudiodev, pipes, smtpd,
sndhdr, spwd, sunau, telnetlib, uu, xdrlib
- bpo-2604: Fix bug where doctests using globals would fail
when run multiple times.
- bpo-45997: Fix asyncio.Semaphore re-aquiring FIFO order.
- bpo-47022: The asynchat, asyncore and smtpd modules have been
deprecated since at least Python 3.6. Their documentation and
deprecation warnings and have now been updated to note they
will removed in Python 3.12 (PEP 594).
- bpo-46421: Fix a unittest issue where if the command was
invoked as python -m unittest and the filename(s) began with
a dot (.), a ValueError is returned.
- bpo-40296: Fix supporting generic aliases in pydoc.
- Update to 3.10.3:
- bpo-46940: Avoid overriding AttributeError metadata
information for nested attribute access calls. Patch by Pablo
Galindo.
- bpo-46852: Rename the private undocumented
float.__set_format__() method to float.__setformat__() to fix
a typo introduced in Python 3.7. The method is only used by
test_float. Patch by Victor Stinner.
- bpo-46794: Bump up the libexpat version into 2.4.6
- bpo-46820: Fix parsing a numeric literal immediately (without
spaces) followed by “not in” keywords, like in 1not in x. Now
the parser only emits a warning, not a syntax error.
- bpo-46762: Fix an assert failure in debug builds when a ‘<’,
‘>’, or ‘=’ is the last character in an f-string that’s
missing a closing right brace.
- bpo-46724: Make sure that all backwards jumps use the
JUMP_ABSOLUTE instruction, rather than JUMP_FORWARD with an
argument of (2**32)+offset.
- bpo-46732: Correct the docstring for the __bool__() method.
Patch by Jelle Zijlstra.
- bpo-46707: Avoid potential exponential backtracking when
producing some syntax errors involving lots of brackets.
Patch by Pablo Galindo.
- bpo-40479: Add a missing call to va_end() in
Modules/_hashopenssl.c.
- bpo-46615: When iterating over sets internally in
setobject.c, acquire strong references to the resulting items
from the set. This prevents crashes in corner-cases of
various set operations where the set gets mutated.
- bpo-45773: Remove two invalid “peephole” optimizations from
the bytecode compiler.
- bpo-43721: Fix docstrings of getter, setter, and deleter to
clarify that they create a new copy of the property.
- bpo-46503: Fix an assert when parsing some invalid N escape
sequences in f-strings.
- bpo-46417: Fix a race condition on setting a type __bases__
attribute: the internal function add_subclass() now gets the
PyTypeObject.tp_subclasses member after calling
PyWeakref_NewRef() which can trigger a garbage collection
which can indirectly modify PyTypeObject.tp_subclasses. Patch
by Victor Stinner.
- bpo-46383: Fix invalid signature of _zoneinfo’s module_free
function to resolve a crash on wasm32-emscripten platform.
- bpo-46070: Py_EndInterpreter() now explicitly untracks all
objects currently tracked by the GC. Previously, if an object
was used later by another interpreter, calling
PyObject_GC_UnTrack() on the object crashed if the previous
or the next object of the PyGC_Head structure became
a dangling pointer. Patch by Victor Stinner.
- bpo-46339: Fix a crash in the parser when retrieving the
error text for multi-line f-strings expressions that do not
start in the first line of the string. Patch by Pablo Galindo
- bpo-46240: Correct the error message for unclosed parentheses
when the tokenizer doesn’t reach the end of the source when
the error is reported. Patch by Pablo Galindo
- bpo-46091: Correctly calculate indentation levels for lines
with whitespace character that are ended by line continuation
characters. Patch by Pablo Galindo
- bpo-43253: Fix a crash when closing transports where the
underlying socket handle is already invalid on the Proactor
event loop.
- bpo-47004: Apply bugfixes from importlib_metadata 4.11.3,
including bugfix for EntryPoint.extras, which was returning
match objects and not the extras strings.
- bpo-46985: Upgrade pip wheel bundled with ensurepip (pip
22.0.4)
- bpo-46968: faulthandler: On Linux 5.14 and newer, dynamically
determine size of signal handler stack size CPython allocates
using getauxval(AT_MINSIGSTKSZ). This changes allows for
Python extension’s request to Linux kernel to use AMX_TILE
instruction set on Sapphire Rapids Xeon processor to succeed,
unblocking use of the ISA in frameworks.
- bpo-46955: Expose asyncio.base_events.Server as
asyncio.Server. Patch by Stefan Zabka.
- bpo-23325: The signal module no longer assumes that SIG_IGN
and SIG_DFL are small int singletons.
- bpo-46932: Update bundled libexpat to 2.4.7
- bpo-25707: Fixed a file leak in
xml.etree.ElementTree.iterparse() when the iterator is not
exhausted. Patch by Jacob Walls.
- bpo-44886: Inherit asyncio proactor datagram transport from
asyncio.DatagramTransport.
- bpo-46827: Support UDP sockets in asyncio.loop.sock_connect()
for selector-based event loops. Patch by Thomas Grainger.
- bpo-46811: Make test suite support Expat >=2.4.5
- bpo-46252: Raise TypeError if ssl.SSLSocket is passed to
transport-based APIs.
- bpo-46784: Fix libexpat symbols collisions with user
dynamically loaded or statically linked libexpat in embedded
Python.
- bpo-39327: shutil.rmtree() can now work with VirtualBox
shared folders when running from the guest operating-system.
- bpo-46756: Fix a bug in
urllib.request.HTTPPasswordMgr.find_user_password() and
urllib.request.HTTPPasswordMgrWithPriorAuth.is_authenticated()
which allowed to bypass authorization. For example, access to
URI example.org/foobar was allowed if the user was authorized
for URI example.org/foo.
- bpo-46643: In typing.get_type_hints(), support evaluating
stringified ParamSpecArgs and ParamSpecKwargs annotations.
Patch by Gregory Beauregard.
- bpo-45863: When the tarfile module creates a pax format
archive, it will put an integer representation of timestamps
in the ustar header (if possible) for the benefit of older
unarchivers, in addition to the existing full-precision
timestamps in the pax extended header.
- bpo-46676: Make typing.ParamSpec args and kwargs equal to
themselves. Patch by Gregory Beauregard.
- bpo-46672: Fix NameError in asyncio.gather() when initial
type check fails.
- bpo-46655: In typing.get_type_hints(), support evaluating
bare stringified TypeAlias annotations. Patch by Gregory
Beauregard.
- bpo-45948: Fixed a discrepancy in the C implementation of the
xml.etree.ElementTree module. Now, instantiating an
xml.etree.ElementTree.XMLParser with a target=None keyword
provides a default xml.etree.ElementTree.TreeBuilder target
as the Python implementation does.
- bpo-46521: Fix a bug in the codeop module that was
incorrectly identifying invalid code involving string quotes
as valid code.
- bpo-46581: Brings ParamSpec propagation for GenericAlias in
line with Concatenate (and others).
- bpo-46591: Make the IDLE doc URL on the About IDLE dialog
clickable.
- bpo-46400: expat: Update libexpat from 2.4.1 to 2.4.4
- bpo-46487: Add the get_write_buffer_limits method to
asyncio.transports.WriteTransport and to the SSL transport.
- bpo-45173: Note the configparser deprecations will be removed
in Python 3.12.
- bpo-46539: In typing.get_type_hints(), support evaluating
stringified ClassVar and Final annotations inside Annotated.
Patch by Gregory Beauregard.
- bpo-46491: Allow typing.Annotated to wrap typing.Final and
typing.ClassVar. Patch by Gregory Beauregard.
- bpo-46436: Fix command-line option -d/--directory in module
http.server which is ignored when combined with command-line
option --cgi. Patch by Géry Ogam.
- bpo-41403: Make mock.patch() raise a TypeError with
a relevant error message on invalid arg. Previously it
allowed a cryptic AttributeError to escape.
- bpo-46474: In importlib.metadata.EntryPoint.pattern, avoid
potential REDoS by limiting ambiguity in consecutive
whitespace.
- bpo-46469: asyncio generic classes now return
types.GenericAlias in __class_getitem__ instead of the same
class.
- bpo-46434: pdb now gracefully handles help when __doc__ is
missing, for example when run with pregenerated optimized
.pyc files.
- bpo-46333: The __eq__() and __hash__() methods of
typing.ForwardRef now honor the module parameter of
typing.ForwardRef. Forward references from different modules
are now differentiated.
- bpo-46246: Add missing __slots__ to
importlib.metadata.DeprecatedList. Patch by Arie Bovenberg.
- bpo-46266: Improve day constants in calendar.
- Now all constants (MONDAY … SUNDAY) are documented, tested,
and added to __all__.
- bpo-46232: The ssl module now handles certificates with bit
strings in DN correctly.
- bpo-43118: Fix a bug in inspect.signature() that was causing
it to fail on some subclasses of classes with
a __text_signature__ referencing module globals. Patch by
Weipeng Hong.
- bpo-26552: Fixed case where failing asyncio.ensure_future()
did not close the coroutine. Patch by Kumar Aditya.
- bpo-21987: Fix an issue with tarfile.TarFile.getmember()
getting a directory name with a trailing slash.
- bpo-20392: Fix inconsistency with uppercase file extensions
in MimeTypes.guess_type(). Patch by Kumar Aditya.
- bpo-46080: Fix exception in argparse help text generation if
a argparse.BooleanOptionalAction argument’s default is
argparse.SUPPRESS and it has help specified. Patch by Felix
Fontein.
- bpo-44439: Fix .write() method of a member file in ZipFile,
when the input data is an object that supports the buffer
protocol, the file length may be wrong.
- bpo-45703: When a namespace package is imported before
another module from the same namespace is created/installed
in a different sys.path location while the program is
running, calling the importlib.invalidate_caches() function
will now also guarantee the new module is noticed.
- bpo-24959: Fix bug where unittest sometimes drops frames from
tracebacks of exceptions raised in tests.
- bpo-44791: Fix substitution of ParamSpec in Concatenate with
different parameter expressions. Substitution with a list of
types returns now a tuple of types. Substitution with
Concatenate returns now a Concatenate with concatenated lists
of arguments.
- bpo-14156: argparse.FileType now supports an argument of ‘-’
in binary mode, returning the .buffer attribute of
sys.stdin/sys.stdout as appropriate. Modes including ‘x’ and
‘a’ are treated equivalently to ‘w’ when argument is ‘-’.
Patch contributed by Josh Rosenberg
- bpo-46463: Fixes escape4chm.py script used when building the
CHM documentation file
- bpo-46913: Fix test_faulthandler.test_sigfpe() if Python is
built with undefined behavior sanitizer (UBSAN): disable
UBSAN on the faulthandler_sigfpe() function. Patch by Victor
Stinner.
- bpo-46708: Prevent default asyncio event loop policy
modification warning after test_asyncio execution.
- bpo-46678: The function make_legacy_pyc in
Lib/test/support/import_helper.py no longer fails when
PYTHONPYCACHEPREFIX is set to a directory on a different
device from where tempfiles are stored.
- bpo-46616: Ensures test_importlib.test_windows cleans up
registry keys after completion.
- bpo-44359: test_ftplib now silently ignores socket errors to
prevent logging unhandled threading exceptions. Patch by
Victor Stinner.
- bpo-46542: Fix a Python crash in test_lib2to3 when using
Python built in debug mode: limit the recursion limit. Patch
by Victor Stinner.
- bpo-46576: test_peg_generator now disables compiler
optimization when testing compilation of its own C extensions
to significantly speed up the testing on non-debug builds of
CPython.
- bpo-46542: Fix test_json tests checking for RecursionError:
modify these tests to use support.infinite_recursion(). Patch
by Victor Stinner.
- bpo-13886: Skip test_builtin PTY tests on non-ASCII
characters if the readline module is loaded. The readline
module changes input() behavior, but test_builtin is not
intented to test the readline module. Patch by Victor
Stinner.
- bpo-38472: Fix GCC detection in setup.py when
cross-compiling. The C compiler is now run with LC_ALL=C.
Previously, the detection failed with a German locale.
- bpo-46513: configure no longer uses AC_C_CHAR_UNSIGNED macro
and pyconfig.h no longer defines reserved symbol
__CHAR_UNSIGNED__.
- bpo-45296: Clarify close, quit, and exit in IDLE. In the File
menu, ‘Close’ and ‘Exit’ are now ‘Close Window’ (the current
one) and ‘Exit’ is now ‘Exit IDLE’ (by closing all windows).
In Shell, ‘quit()’ and ‘exit()’ mean ‘close Shell’. If there
are no other windows, this also exits IDLE.
- bpo-45447: Apply IDLE syntax highlighting to pyi files. Patch
by Alex Waygood and Terry Jan Reedy.
- bpo-46433: The internal function _PyType_GetModuleByDef now
correctly handles inheritance patterns involving static
types.
- bpo-14916: Fixed bug in the tokenizer that prevented
PyRun_InteractiveOne from parsing from the provided FD.
- Remove upstreamed patches:
- support-expat-245.patch
* Tue Feb 22 2022 Steve Kowalik <[email protected]>
- Add patch support-expat-245.patch:
* Support Expat >= 2.4.5
* Tue Feb 15 2022 Matej Cepl <[email protected]>
- bsc#1195831 Obsolete older "most modern" versions of python
packages (python39 for python310 and so forth). For next
versions it is necessary just to edit the macro.
* Tue Jan 25 2022 Matej Cepl <[email protected]>
- Remove second superfluous BR rpm-build-python
* Tue Jan 25 2022 Matej Cepl <[email protected]>
- Remove second superfluous BR rpm-build-python
- Add fix_configure_rst.patch, which removes duplicate link
targets and make documentation with old Sphinx in SLE
- Skip test_capi (bsc#1195140 and bpo#37169)
* Wed Jan 19 2022 Matej Cepl <[email protected]>
- Update to 3.10.2:
Bugfix only
- bpo#46347 memory leak in PyEval_EvalCodeEx (especially
visible with Cython code)
- and many others
* Wed Dec 08 2021 Matej Cepl <[email protected]>
- Upgrade to 3.10.1 (jsc#SLE-18038):
- PEP 623 – Deprecate and prepare for the removal of the wstr
member in PyUnicodeObject.
- PEP 604 – Allow writing union types as X | Y
- PEP 612 – Parameter Specification Variables
- PEP 626 – Precise line numbers for debugging and other tools.
- PEP 618 – Add Optional Length-Checking To zip.
- bpo-12782: Parenthesized context managers are now officially
allowed.
- PEP 632 – Deprecate distutils module.
- PEP 613 – Explicit Type Aliases
- PEP 634 – Structural Pattern Matching: Specification
- PEP 635 – Structural Pattern Matching: Motivation and
Rationale
- PEP 636 – Structural Pattern Matching: Tutorial
- PEP 644 – Require OpenSSL 1.1.1 or newer
- PEP 624 – Remove Py_UNICODE encoder APIs
- PEP 597 – Add optional EncodingWarning
- Patches readjusted:
- bpo-31046_ensurepip_honours_prefix.patch
- python-3.3.0b1-fix_date_time_compiler.patch
* Sat Dec 04 2021 Matej Cepl <[email protected]>
- Remove pdb_adjust_breakpoints.patch and instead just adjust location
of the test breakpoint in Lib/test/test_pdb.py via sed, because we
have shortened Lib/pdb.py by removing the shebang (bpo#45964).
* Thu Dec 02 2021 Matej Cepl <[email protected]>
- Add pdb_adjust_breakpoints.patch fixing expectd results in
test_pdb_breakpoints_preserved_across_interactive_sessions
(bpo#45964).
* Mon Nov 29 2021 Matej Cepl <[email protected]>
- Remove shebangs from from python-base libraries in _libdir
(bsc#1193179).
- Readjust patches:
- bpo-31046_ensurepip_honours_prefix.patch
- decimal.patch
- python-3.3.0b1-fix_date_time_compiler.patch
* Tue Nov 16 2021 Matej Cepl <[email protected]>
- Move rpm-build-python construct to correct place.
* Wed Oct 13 2021 Dominique Leuenberger <[email protected]>
- BuildRequire rpm-build-python: The provider to inject python(abi)
has been moved there. rpm-build pulls rpm-build-python
automatically in when building anything against python3-base, but
this implies that the initial build of python3-base does not
trigger the automatic installation.
* Tue Oct 05 2021 Matej Cepl <[email protected]>
- Final release of 3.10.0:
Complete list on https://www.python.org/downloads/release/python-3100/,
but highlights are:
- PEP 623 – Deprecate and prepare for the removal of the wstr
member in PyUnicodeObject.
- PEP 604 – Allow writing union types as X | Y
- PEP 612 – Parameter Specification Variables
- PEP 626 – Precise line numbers for debugging and other
tools.
- PEP 618 – Add Optional Length-Checking To zip.
- PEP 632 – Deprecate distutils module.
- PEP 613 – Explicit Type Aliases
- PEP 634 – Structural Pattern Matching: Specification
- PEP 635 – Structural Pattern Matching: Motivation and
Rationale
- PEP 636 – Structural Pattern Matching: Tutorial
- PEP 644 – Require OpenSSL 1.1.1 or newer
- PEP 624 – Remove Py_UNICODE encoder APIs
- PEP 597 – Add optional EncodingWarning
- bpo-12782: Parenthesized context managers are now officially
allowed.
* Mon Aug 30 2021 Matej Cepl <[email protected]>
- Switch on option --with-system-libmpdec (bsc#1189356).
* Fri Aug 27 2021 Andreas Schwab <[email protected]>
- Reenable profileopt with qemu emulation, test_faulthandler is no longer
run during profiling
* Thu Aug 12 2021 Andreas Schwab <[email protected]>
- test_faulthandler is still problematic under qemu linux-user emulation,
disable it there
* Wed Aug 11 2021 Matej Cepl <[email protected]>
- Update to 3.10.0rc1 (the penultimate prerelease), which contains
plenty of small bugfixes among others:
- bpo#38605: from __future__ import annotations (PEP 563) used to be
on this list in previous pre-releases but it has been postponed to
Python 3.11 due to some compatibility concerns.
- bpo-44600: Fix incorrect line numbers while tracing some failed
patterns in match statements. Patch by Charles Burkland.
- plenty of modifications in types.Union
* Wed Jul 21 2021 Matej Cepl <[email protected]>
- Update to 3.10.0b4:
https://docs.python.org/3.10/whatsnew/changelog.html#python-3-10-0-beta-4
- Remove python3-imp-returntype.patch which has been upstreamed.
* Mon Jun 07 2021 Matej Cepl <[email protected]>
- Update to 3.10.0b2:
- PEP 623 -- Deprecate and prepare for the removal of the wstr
member in PyUnicodeObject.
- PEP 604 -- Allow writing union types as X | Y
- PEP 612 -- Parameter Specification Variables
- PEP 626 -- Precise line numbers for debugging and other
tools.
- PEP 618 -- Add Optional Length-Checking To zip.
- bpo-12782: Parenthesized context managers are now officially
allowed.
- PEP 632 -- Deprecate distutils module.
- PEP 613 -- Explicit Type Aliases
- PEP 634 -- Structural Pattern Matching: Specification
- PEP 635 -- Structural Pattern Matching: Motivation and
Rationale
- PEP 636 -- Structural Pattern Matching: Tutorial
- PEP 644 -- Require OpenSSL 1.1.1 or newer
- PEP 624 -- Remove Py_UNICODE encoder APIs
- PEP 597 -- Add optional EncodingWarning
- Removed patches (assumed upstream):
- sphinx-update-removed-function.patch
* Sat Jun 05 2021 Matej Cepl <[email protected]>
- Revert previous skip over test_capi
- Add skip-test_pyobject_freed_is_freed.patch to skip failing
test on SLE-15.
* Fri Jun 04 2021 Dirk Müller <[email protected]>
- allow build with Sphinx >= 3.x
* Wed Jun 02 2021 Dan Čermák <[email protected]>
- Exclude test_capi on Leap (test fails there)
* Fri May 21 2021 Matej Cepl <[email protected]>
- Stop providing "python" symbol (bsc#1185588), which means
python2 currently.
* Wed May 05 2021 Matej Cepl <[email protected]>
- Update to 3.9.5:
* Security
- bpo-43434: Creating a sqlite3.Connection object now also
produces a sqlite3.connect auditing event. Previously this
event was only produced by sqlite3.connect() calls. Patch
by Erlend E. Aasland.
- bpo-43882: The presence of newline or tab characters in
parts of a URL could allow some forms of attacks.
- Following the controlling specification for URLs defined by
WHATWG urllib.parse() now removes ASCII newlines and tabs
from URLs, preventing such attacks.
- bpo-43472: Ensures interpreter-level audit hooks receive
the cpython.PyInterpreterState_New event when called
through the _xxsubinterpreters module.
- bpo-36384: ipaddress module no longer accepts any leading
zeros in IPv4 address strings. Leading zeros are ambiguous
and interpreted as octal notation by some libraries. For
example the legacy function socket.inet_aton() treats
leading zeros as octal notatation. glibc implementation of
modern inet_pton() does not accept any leading zeros. For
a while the ipaddress module used to accept ambiguous
leading zeros.
- bpo-43075: Fix Regular Expression Denial of Service (ReDoS)
vulnerability in urllib.request.AbstractBasicAuthHandler.
The ReDoS-vulnerable regex has quadratic worst-case
complexity and it allows cause a denial of service when
identifying crafted invalid RFCs. This ReDoS issue is on
the client side and needs remote attackers to control the
HTTP server.
- bpo-42800: Audit hooks are now fired for frame.f_code,
traceback.tb_frame, and generator code/frame attribute
access.
* Core and Builtins
- bpo-43105: Importlib now resolves relative paths when
creating module spec objects from file locations.
- bpo-42924: Fix bytearray repetition incorrectly copying
data from the start of the buffer, even if the data is
offset within the buffer (e.g. after reassigning a slice at
the start of the bytearray to a shorter byte string).
* Library
- bpo-43993: Update bundled pip to 21.1.1.
- bpo-43937: Fixed the turtle module working with non-default
root window.
- bpo-43930: Update bundled pip to 21.1 and setuptools to
56.0.0
- bpo-43920: OpenSSL 3.0.0: load_verify_locations() now
returns a consistent error message when cadata contains no
valid certificate.
- bpo-43607: urllib can now convert Windows paths with \\?\
prefixes into URL paths.
- bpo-43284: platform.win32_ver derives the windows version
from sys.getwindowsversion().platform_version which in turn
derives the version from kernel32.dll (which can be of
a different version than Windows itself). Therefore change
the platform.win32_ver to determine the version using the
platform module’s _syscmd_ver private function to return an
accurate version.
- bpo-42248: [Enum] ensure exceptions raised in _missing__
are released
- bpo-43799: OpenSSL 3.0.0: define OPENSSL_API_COMPAT 1.1.1
to suppress deprecation warnings. Python requires OpenSSL
1.1.1 APIs.
- bpo-43794: Add ssl.OP_IGNORE_UNEXPECTED_EOF constants
(OpenSSL 3.0.0)
- bpo-43789: OpenSSL 3.0.0: Don’t call the password callback
function a second time when first call has signaled an
error condition.
- bpo-43788: The header files for ssl error codes are now
OpenSSL version-specific. Exceptions will now show correct
reason and library codes. The make_ssl_data.py script has
been rewritten to use OpenSSL’s text file with error codes.
- bpo-43655: tkinter dialog windows are now recognized as
dialogs by window managers on macOS and X Window.
- bpo-43534: turtle.textinput() and turtle.numinput() create
now a transient window working on behalf of the canvas
window.
- bpo-43522: Fix problem with hostname_checks_common_name.
OpenSSL does not copy hostflags from struct SSL_CTX to
struct SSL.
- bpo-42967: Allow bytes separator argument in
urllib.parse.parse_qs and urllib.parse.parse_qsl when
parsing str query strings. Previously, this raised
a TypeError.
- bpo-43176: Fixed processing of a dataclass that inherits
from a frozen dataclass with no fields. It is now correctly
detected as an error.
- bpo-41735: Fix thread locks in zlib module may go wrong in
rare case. Patch by Ma Lin.
- bpo-36470: Fix dataclasses with InitVars and replace().
Patch by Claudiu Popa.
- bpo-32745: Fix a regression in the handling of ctypes’
ctypes.c_wchar_p type: embedded null characters would cause
a ValueError to be raised. Patch by Zackery Spytz.
* Documentation
- bpo-43959: The documentation on the PyContextVar C-API was
clarified.
- bpo-43938: Update dataclasses documentation to express that
FrozenInstanceError is derived from AttributeError.
- bpo-43755: Update documentation to reflect that
unparenthesized lambda expressions can no longer be the
expression part in an if clause in comprehensions and
generator expressions since Python 3.9.
- bpo-43739: Fixing the example code in
Doc/extending/extending.rst to declare and initialize the
pmodule variable to be of the right type.
* Tests
- bpo-43961: Fix
test_logging.test_namer_rotator_inheritance() on Windows:
use os.replace() rather than os.rename(). Patch by Victor
Stinner.
- bpo-43842: Fix a race condition in the SMTP test of
test_logging. Don’t close a file descriptor (socket) from
a different thread while asyncore.loop() is polling the
file descriptor. Patch by Victor Stinner.
- bpo-43811: Tests multiple OpenSSL versions on GitHub
Actions. Use ccache to speed up testing.
- bpo-43791: OpenSSL 3.0.0: Disable testing of legacy
protocols TLS 1.0 and 1.1. Tests are failing with
TLSV1_ALERT_INTERNAL_ERROR.
- Refreshed patches:
- bpo-31046_ensurepip_honours_prefix.patch
- python-3.3.0b1-fix_date_time_compiler.patch
- Add vendorized files from bluez-devel to enable building support for
Bluetooth.
* Sun May 02 2021 Ben Greiner <[email protected]>
- Make sure to close the import_failed.map file after the exception
has been raised in order to avoid ResourceWarnings when the
failing import is part of a try...except block.
* Wed Apr 28 2021 Matej Cepl <[email protected]>
- Update to 3.9.4:
- bpo#43710: Reverted the fix for https://bugs.python.org/issue42500
as it changed the PyThreadState struct size and broke the 3.9.x ABI
in the 3.9.3 release (visible on 32-bit platforms using binaries
compiled using an earlier version of Python 3.9.x headers).
- bpo#26053: Fixed bug where the pdb interactive run command echoed
the args from the shell command line, even if those have been
overridden at the pdb prompt.
- bpo#42988 (bsc#1183374) CVE-2021-3426: Remove the getfile
feature of the pydoc module which could be abused to read
arbitrary files on the disk (directory traversal
vulnerability). Moreover, even source code of Python modules
can contain sensitive data like passwords. Vulnerability
reported by David Schwörer.
- bpo#43285: ftplib no longer trusts the IP address value
returned from the server in response to the PASV command by
default. This prevents a malicious FTP server from using the
response to probe IPv4 address and port combinations on the
client network. Code that requires the former vulnerable
behavior may set a trust_server_pasv_ipv4_address attribute
on their ftplib.FTP instances to True to re-enable it.
- bpo#43439: Add audit hooks for gc.get_objects(),
gc.get_referrers() and gc.get_referents(). Patch by Pablo
Galindo.
- bpo#43660: Fix crash that happens when replacing sys.stderr
with a callable that can remove the object while an exception
is being printed. Patch by Pablo Galindo.
- bpo#43555: Report the column offset for SyntaxError for
invalid line continuation characters. Patch by Pablo Galindo.
- bpo#43517: Fix misdetection of circular imports when using
from pkg.mod import attr, which caused false positives in
non-trivial multi-threaded code.
- bpo#35883: Python no longer fails at startup with a fatal
error if a command line argument contains an invalid Unicode
character. The Py_DecodeLocale() function now escapes byte
sequences which would be decoded as Unicode characters
outside the [U+0000; U+10ffff] range.
- bpo#43406: Fix a possible race condition where
PyErr_CheckSignals tries to execute a non-Python signal
handler.
- bpo#42500: Improve handling of exceptions near recursion
limit. Converts a number of Fatal Errors in RecursionErrors.
- bpo#43433: xmlrpc.client.ServerProxy no longer ignores query
and fragment in the URL of the server.
- bpo#35930: Raising an exception raised in a “future” instance
will create reference cycles.
- bpo#43577: Fix deadlock when using ssl.SSLContext debug
callback with ssl.SSLContext.sni_callback().
- bpo#43521: ast.unparse can now render NaNs and empty sets.
- bpo#43423: subprocess.communicate() no longer raises an
IndexError when there is an empty stdout or stderr IO buffer
during a timeout on Windows.
- bpo#27820: Fixed long-standing bug of smtplib.SMTP where
doing AUTH LOGIN with initial_response_ok=False will fail.
The cause is that SMTP.auth_login _always_ returns a password
if provided with a challenge string, thus non-compliant with
the standard for AUTH LOGIN. Also fixes bug with the test for
smtpd.
- bpo#43332: Improves the networking efficiency of http.client
when using a proxy via set_tunnel(). Fewer small send calls
are made during connection setup.
- bpo#43399: Fix ElementTree.extend not working on iterators
when using the Python implementation
- bpo#43316: The python -m gzip command line application now
properly fails when detecting an unsupported extension. It
exits with a non-zero exit code and prints an error message
to stderr.
- bpo#43260: Fix TextIOWrapper can not flush internal buffer
forever after very large text is written.
- bpo#42782: Fail fast in shutil.move() to avoid creating
destination directories on failure.
- bpo#37193: Fixed memory leak in socketserver.ThreadingMixIn
introduced in Python 3.7.
- bpo#43199: Answer “Why is there no goto?” in the Design and
History FAQ.
- bpo#43407: Clarified that a result from time.monotonic(),
time.perf_counter(), time.process_time(), or
time.thread_time() can be compared with the result from any
following call to the same function - not just the next
immediate call.
- bpo#27646: Clarify that ‘yield from <expr>’ works with any
iterable, not just iterators.
- bpo#36346: Update some deprecated unicode APIs which are
documented as “will be removed in 4.0” to “3.12”. See PEP 623
for detail.
- bpo#37945: Fix test_getsetlocale_issue1813() of test_locale:
skip the test if setlocale() fails. Patch by Victor Stinner.
- bpo#41561: Add workaround for Ubuntu’s custom OpenSSL
security level policy.
- bpo#43288: Fix test_importlib to correctly skip Unicode file
tests if the fileystem does not support them.
- bpo#43617: Improve configure.ac: Check for presence of
autoconf-archive package and remove our copies of M4 macros.
- bpo#42225: Document that IDLE can fail on Unix either from
misconfigured IP masquerage rules or failure displaying
complex colored (non-ascii) characters.
- bpo#43283: Document why printing to IDLE’s Shell is often
slower than printing to a system terminal and that it can be
made faster by pre-formatting a single string before
printing.
* Fri Feb 19 2021 Matej Cepl <[email protected]>
- Update to 3.9.2:
- bpo#42938 (bsc#1181126): Avoid static buffers when computing
the repr of ctypes.c_double and ctypes.c_longdouble
values. This issue was assigned CVE-2021-3177.
- bpo#42967 (bsc#1182379): Fix web cache poisoning
vulnerability by defaulting the query args separator to &,
and allowing the user to choose a custom separator. This
issue was assigned CVE-2021-23336.
- Upstreamed patches were removed:
- CVE-2021-3177-buf_ovrfl_PyCArg_repr.patch
- bsc1167501-invalid-alignment.patch
- skip_random_failing_tests.patch
- CVE-2019-5010-null-defer-x509-cert-DOS.patch
* Tue Feb 09 2021 Steve Kowalik <[email protected]>
- Add Obsoletes for python3-base when primary interpreter is set to
properly replace it during upgrades. (bsc#1181324)
* Mon Feb 08 2021 Matej Cepl <[email protected]>
- Update to 3.9.1:
Security bugs:
- Prevented potential DoS attack via CPU and RAM exhaustion
when processing malformed Apple Property List files in binary
format.
- The plistlib module no longer accepts entity declarations in
XML plist files to avoid XML vulnerabilities. This should not
affect users as entity declarations are not used in regular
plist files.
- Add volatile to the accumulator variable in
hmac.compare_digest, making constant-time-defeating
optimizations less likely.
Core and Builtins
- Allow assignment expressions in set literals and set
comprehensions as per PEP 572. Patch by Pablo Galindo.
- Fix a regression introduced by the new parser, where an
unparenthesized walrus operator was not allowed within
generator expressions.
- types.GenericAlias objects can now be the targets of
weakrefs.
- Fixed a bug in the PEG parser that was causing crashes in
debug mode. Now errors are checked in left-recursive rules to
avoid cases where such errors do not get handled in time and
appear as long-distance crashes in other places.
- Fixed a possible crash in the PEG parser when checking for
the ‘!=’ token in the barry_as_flufl rule. Patch by Pablo
Galindo.
- Fix handling of errors during creation of PyFunctionObject,
which resulted in operations on uninitialized memory. Patch
by Yonatan Goldschmidt.
- Fix a bug in the parser, where a curly brace following
a primary didn’t fail immediately. This led to invalid
expressions like a {b} to throw a SyntaxError with a wrong
offset, or invalid expressions ending with a curly brace like
a { to not fail immediately in the REPL.
- Fix possible buffer overflow in the new parser when checking
for continuation lines. Patch by Pablo Galindo.
- Run the parser two times. On the first run, disable all the
rules that only generate better error messages to gain
performance. If there’s a parse failure, run the parser
a second time with those enabled.
- Document the default implementation of object.__eq__.
- Fix peephole optimizer misoptimize conditional jump
+ JUMP_IF_NOT_EXC_MATCH pair.
- The garbage collector now tracks all user-defined classes.
Patch by Brandt Bucher.
- Fixed potential issues with removing not completely
initialized module from sys.modules when import fails.
- Star-unpacking is now allowed for with item’s targets in the
PEG parser.
- Fixed stack overflow in issubclass() and isinstance() when
getting the __bases__ attribute leads to infinite recursion.
- When loading a native module and a load failure occurs,
prevent a possible UnicodeDecodeError when not running in
a UTF-8 locale by decoding the load error message using the
current locale’s encoding.
- Correctly count control blocks in ‘except’ in compiler.
Ensures that a syntax error, rather a fatal error, occurs for
deeply nested, named exception handlers.
Library
- types.GenericAlias will now raise a TypeError when attempting
to initialize with a keyword argument. Previously, this would
cause the interpreter to crash if the interpreter was
compiled with debug symbols. This does not affect
interpreters compiled for release. Patch by Ken Jin.
- CGIHTTPRequestHandler.run_cgi() HTTP_ACCEPT improperly
parsed. Replace the special purpose getallmatchingheaders
with generic get_all method and add relevant tests.
- inspect.findsource() now raises OSError instead of IndexError
when co_lineno of a code object is greater than the file
length. This can happen, for example, when a file is edited
after it was imported. PR by Irit Katriel.
- Fix handling of trailing comments by inspect.getsource().
- ChainMap.__iter__ no longer calls __getitem__ on underlying
maps
- TracebackException no longer holds a reference to the
exception’s traceback object. Consequently, instances of
TracebackException for equivalent but non-equal exceptions
now compare as equal.
- We fixed an issue in pickle.whichmodule in which importing
multiprocessing could change the how pickle identifies which
module an object belongs to, potentially breaking the
unpickling of those objects.
- Clarify the error message for asyncio.IncompleteReadError
when expected is None.
- Extracting a symlink from a tarball should succeed and
overwrite the symlink if it already exists. The fix is to
remove the existing file or symlink before extraction. Based
on patch by Chris AtLee, Jeffrey Kintscher, and Senthil
Kumaran.
- Fixed tkinter.ttk.Style.map(). The function accepts now the
representation of the default state as empty sequence (as
returned by Style.map()). The structure of the result is now
the same on all platform and does not depend on the value of
wantobjects.
- Fix various issues with typing.Literal parameter handling
(flatten, deduplicate, use type to cache key). Patch provided
by Yurii Karabas.
- Fix the threading.Thread class at fork: do nothing if the
thread is already stopped (ex: fork called at Python exit).
Previously, an error was logged in the child process.
- The onerror callback from shutil.rmtree now receives correct
function when os.open fails.
- Fix os.sendfile() on illumos.
- Fixed writing binary Plist files larger than 4 GiB.
- The repr() of typing types containing Generic Alias Types
previously did not show the parameterized types in the
GenericAlias. They have now been changed to do so.
- webbrowser: Ignore NotADirectoryError when calling
xdg-settings.
- binhex.binhex() consisently writes macOS 9 line endings.
- Fix a stack overflow error for asyncio Task or Future repr().
- The overflow occurs under some circumstances when a Task or
Future recursively returns itself.
- Fix memory leak in subprocess.Popen() in case an uid (gid)
specified in user (group, extra_groups) overflows uid_t
(gid_t).
- Improve asyncio.wait function to create the futures set just
one time.
- InvalidFileException and RecursionError are now the only
errors caused by loading malformed binary Plist file
(previously ValueError and TypeError could be raised in some
specific cases).
- Pickling heap types implemented in C with protocols 0 and
1 raises now an error instead of producing incorrect data.
- plistlib: fix parsing XML plists with hexadecimal integer
values
- Fix an incorrectly formatted error from
_codecs.charmap_decode() when called with a mapped value
outside the range of valid Unicode code points. PR by Max
Bernstein.
- Fix pickling pure Python datetime.time subclasses. Patch by
Dean Inwood.
- Fixed a bug that was causing ctypes.util.find_library() to
return None when triying to locate a library in an
environment when gcc>=9 is available and ldconfig is not.
Patch by Pablo Galindo
- C14N 2.0 serialisation in xml.etree.ElementTree failed for
unprefixed attributes when a default namespace was defined.
- Fix a bug in the symtable module that was causing
module-scope global variables to not be reported as both
local and global. Patch by Pablo Galindo.
- str() for the type attribute of the tkinter.Event object
always returns now the numeric code returned by Tk instead of
the name of the event type.
- fix tkinter.EventType Enum so all members are strings, and
none are tuples
- Fix SQLite3 segfault when backing up closed database. Patch
contributed by Peter David McCormick.
- Fix the tarfile module to write only basename of TAR file to
GZIP compression header.
- Allow ctypes.wintypes to be imported on non-Windows systems.
- shutil.which() now ignores empty entries in PATHEXT instead
of treating them as a match.
- Fix time-of-check/time-of-action issue in
subprocess.Popen.send_signal.
- Fix --outfile for cProfile / profile not writing the output
file in the original directory when the program being
profiled changes the working directory. PR by Anthony
Sottile.
- ZipFile truncates files to avoid corruption when a shorter
comment is provided in append (“a”) mode. Patch by Jan Mazur.
- Fixed KeyError exception when flattening an email to a string
attempts to replace a non-existent Content-Transfer-Encoding
header.
Documentation
- Fix the URL for the IMAP protocol documents.
- Document __format__ functionality for IP addresses.
- Clarify that subscription expressions are also valid for
certain classes and types in the standard library, and for
user-defined classes and types if the classmethod
__class_getitem__() is provided.
- Documented generic alias type and types.GenericAlias. Also
added an entry in glossary for generic types.
- In Programming FAQ “Sequences (Tuples/Lists)” section, add
“How do you remove multiple items from a list”.
- Fix RemovedInSphinx40Warning when building the documentation.
Patch by Dong-hee Na.
- Update the refcounts info of PyType_FromModuleAndSpec.
- Fix tarfile’s extractfile documentation
- Document some restrictions on the default string
representations of numeric classes.
Tests
- Reenable test_gdb on gdb 9.2 and newer:
https://bugzilla.redhat.com/show_bug.cgi?id=1866884 bug is
fixed in gdb 10.1.
- Fix test_asyncio.test_call_later() race condition: don’t
measure asyncio performance in the call_later() unit test.
The test failed randomly on the CI.
- Include _testinternalcapi module in Windows installer for
test suite
- Fix test_logging.test_race_between_set_target_and_flush():
the test now waits until all threads complete to avoid
leaking running threads.
- Avoid a test failure in test_lib2to3 if the module has
already imported at the time the test executes. Patch by
Pablo Galindo.
- Tests for CJK codecs no longer call eval() on content
received via HTTP.
- Fix test_site.test_license_exists_at_url(): call
urllib.request.urlcleanup() to reset the global
urllib.request._opener. Patch by Victor Stinner.
- test_ssl: skip test_min_max_version_mismatch when TLS 1.0 is
not available
- Add tests for SIGINT handling in the runpy module.
- Fixed a failure in test_tk.test_widgets.ScaleTest happening
when executing the test with Tk 8.6.10.
Build
- Fix a race condition in “make regen-all” when make -jN option
is used to run jobs in parallel. The clinic.py script now
only use atomic write to write files. Moveover, generated
files are now left unchanged if the content does not change,
to not change the file modification time.
- Update Py_UNREACHABLE to use __builtin_unreachable() if only
the compiler is able to use it. Patch by Dong-hee Na.
- Addressed three compiler warnings found by undefined behavior
sanitizer (ubsan).
IDLE
- Fix reporting offset of the RE error in searchengine.
- Get docstrings for IDLE calltips more often by using
inspect.getdoc.
- Mostly finish using ttk widgets, mainly for editor, settings,
and searches. Some patches by Mark Roseman.
- Use ‘IDLE Shell’ as shell title
- Rewrite the Calltips doc section.
- In calltips, stop reminding that ‘/’ marks the end of
positional-only arguments.
- Typing opening and closing parentheses inside the parentheses
of a function call will no longer cause unnecessary
“flashing” off and on of an existing open call-tip, e.g. when
typed in a string literal.
C API
- Fix potential crash in deallocating method objects when
dynamically allocated PyMethodDef’s lifetime is managed
through the self argument of a PyCFunction.
- Py_FileSystemDefaultEncodeErrors and Py_UTF8Mode are
available again in limited API.
- Readjustet and reapplied patches:
- CVE-2021-3177-buf_ovrfl_PyCArg_repr.patch
- bpo-31046_ensurepip_honours_prefix.patch
- python-3.3.0b1-fix_date_time_compiler.patch
- skip_random_failing_tests.patch
- sphinx-update-removed-function.patch
* Fri Jan 29 2021 Matej Cepl <[email protected]>
- Add CVE-2021-3177-buf_ovrfl_PyCArg_repr.patch fixing
bsc#1181126 (CVE-2021-3177) buffer overflow in PyCArg_repr in
_ctypes/callproc.c, which may lead to remote code execution.
* Tue Jan 05 2021 Matej Cepl <[email protected]>
- (bsc#1180125) We really don't Require python-rpm-macros package.
Unnecessary dependency.

Files

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/usr/share/doc/packages/python3.12/html/whatsnew/3.8.html
/usr/share/doc/packages/python3.12/html/whatsnew/3.9.html
/usr/share/doc/packages/python3.12/html/whatsnew/changelog.html
/usr/share/doc/packages/python3.12/html/whatsnew/index.html

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Fabrice Bellet, Thu Dec 12 00:31:04 2024

python312-doc-3.12.7-4.1 RPM for armv6hl

From OpenSuSE Ports Tumbleweed for armv6hl

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