Python-3.10.2

[Bruce Dubbs]

Core and Builtins

• 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.

• 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.

• 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.

• 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.

• bpo-46091: Correctly calculate indentation levels for lines with whitespace character that are ended by line continuation characters.

Library

• bpo-46491: Allow typing.Annotated to wrap typing.Final and typing.ClassVar.

• 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-46266: Improve day constants in calendar.

• Now all constants (MONDAY … SUNDAY) are documented, tested, and added to __all__.

• 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.

• bpo-21987: Fix an issue with tarfile.TarFile.getmember() getting a directory name with a trailing slash.

• bpo-46080: Fix exception in argparse help text generation if a argparse.BooleanOptionalAction argument’s default is argparse.SUPPRESS and it has help specified.

Documentation

• bpo-46463: Fixes escape4chm.py script used when building the CHM documentation file

Tests

• 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.

Build

• 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__.

IDLE

• 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.

[Bruce Dubbs]

Fixed at commit e1ebbef46a60aefd2cb48c6fc82ac3c1414a4054

Package updates.
    Update to vim-8.2.4236.
    Update to zstd-1.5.2.
    Update to util-linux-2.37.3 (security fix).
    Update to Python-3.10.2.
    Update to linux-5.16.2.
    Update to libcap-2.63.
    Update to iproute2-5.16.0.
    Update to iana-etc-20220120.