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Python 3.11.0a3
This commit is contained in:
Pablo Galindo
parent
3ea574f35b
commit
2e91dba437
129 changed files with 1798 additions and 596 deletions
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#define PY_MINOR_VERSION 11
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#define PY_MICRO_VERSION 0
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#define PY_RELEASE_LEVEL PY_RELEASE_LEVEL_ALPHA
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#define PY_RELEASE_SERIAL 2
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#define PY_RELEASE_SERIAL 3
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/* Version as a string */
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#define PY_VERSION "3.11.0a2+"
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#define PY_VERSION "3.11.0a3"
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/*--end constants--*/
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/* Version as a single 4-byte hex number, e.g. 0x010502B2 == 1.5.2b2.
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Misc/NEWS.d/3.11.0a3.rst
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Run smelly.py tool from $(srcdir).
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Skip the marshal step for frozen modules by generating C code that produces a set of ready-to-use code objects. This speeds up startup time by another 10% or more.
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configure.ac now uses custom helper macros and ``AC_CACHE_CHECK`` to
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simplify and speed up configure runs.
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``configure --enable-loadable-sqlite-extensions`` is now handled by new ``PY_SQLITE_ENABLE_LOAD_EXTENSION`` macro instead of logic in setup.py.
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``configure`` now prints a warning when pkg-config is missing.
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``configure.ac`` is now compatible with autoconf 2.71. Deprecated checks
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``STDC_HEADERS`` and ``AC_HEADER_TIME`` have been removed.
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@ -1,2 +0,0 @@
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On macOS, the build system no longer passes ``search_paths_first`` to the
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linker. The flag has been the default since Xcode 4 / macOS 10.6.
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@ -1 +0,0 @@
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gdbm and dbm build dependencies are now detected by ``configure``.
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The build dependencies for :mod:`zlib`, :mod:`bz2`, and :mod:`lzma` are now
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detected by ``configure``.
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@ -1,2 +0,0 @@
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The build dependencies for :mod:`sqlite3` are now detected by ``configure`` and
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``pkg-config``. Patch by Erlend E. Aasland.
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@ -1,2 +0,0 @@
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:program:`configure` has a new option ``--with-pkg-config`` to disable or
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require pkg-config.
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@ -1,2 +0,0 @@
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Settings for :mod:`decimal` internal C extension are now detected by
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``configure``. The bundled ``libmpdec`` library is built in ``Makefile``.
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@ -1,2 +0,0 @@
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Settings for :mod:`pyexpat` C extension are now detected by ``configure``.
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The bundled ``expat`` library is built in ``Makefile``.
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Python now supports building with Visual Studio 2022 (MSVC v143, VS Version 17.0). Patch by Jeremiah Vivian.
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``configure`` now uses a unified format to set state, compiler flags, and
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linker flags in Makefile. The new macro ``PY_STDLIB_MOD`` sets three
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variables that are consumed by ``Modules/Setup`` and ``setup.py``.
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``configure`` now creates ``Modules/Setup.stdlib`` with conditionally
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enabled/disabled extension module lines. The file is not used, yet.
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Mandatory core modules, that are required to bootstrap Python, are now in
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``Modules/Setup.bootstrap``.
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Add ``autoconf`` helpers for saving and restoring environment variables:
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* ``SAVE_ENV``: Save ``$CFLAGS``, ``$LDFLAGS``, ``$LIBS``, and
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``$CPPFLAGS``.
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* ``RESTORE_ENV``: Restore ``$CFLAGS``, ``$LDFLAGS``, ``$LIBS``, and
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``$CPPFLAGS``.
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* ``WITH_SAVE_ENV([SCRIPT])``: Run ``SCRIPT`` wrapped with ``SAVE_ENV`` and
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``RESTORE_ENV``.
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Patch by Erlend E. Aasland.
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Port builtin hashlib extensions to ``PY_STDLIB_MOD`` macro and ``addext()``.
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Get rid of the ``_bootstrap_python`` build step. The deepfreeze.py script is now run using ``$(PYTHON_FOR_REGEN)`` which can be Python 3.7 or newer (on Windows, 3.8 or newer).
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The ``_freeze_module`` program path can now be overridden on the command
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line, e.g. ``make FREEZE_MODULE=../x86_64/Program/_freeze_module``.
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``setup.py`` now uses ``CC`` from environment first to discover multiarch
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and cross compile paths.
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@ -1,4 +0,0 @@
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Python now compiles on platforms without ``sigset_t``. Several functions
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in :mod:`signal` are not available when ``sigset_t`` is missing.
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Based on patch by Roman Yurchak for pyodide.
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@ -1,3 +0,0 @@
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``configure`` now accepts machine ``wasm32`` or ``wasm64`` and OS ``wasi``
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or ``emscripten`` for cross building, e.g. ``wasm32-unknown-emscripten``,
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``wasm32-wasi``, or ``wasm32-unknown-wasi``.
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``make regen-all`` now produces the same output when run from a directory
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other than the source tree: when building Python out of the source tree.
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pegen now strips directory of the "generated by pygen from <FILENAME>" header
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Patch by Victor Stinner.
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@ -1,3 +0,0 @@
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Update ``config.guess`` to 2021-06-03 and ``config.sub`` to 2021-08-14.
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``Makefile`` now has an ``update-config`` target to make updating more
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convenient.
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``configure`` now checks for functions ``fork1, getegid,
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geteuid, getgid, getppid, getuid, opendir, pipe, system, wait,
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ttyname``.
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``configure`` now checks for socket ``shutdown`` function. The check makes
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it possible to disable ``SYS_shutdown`` with ``ac_cv_func_shutdown=no`` in
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CONFIG_SITE.
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Disable unusable core extension modules on WASM/Emscripten targets.
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Emscripten platform now uses ``.wasm`` suffix by default.
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The :program:`configure` script now accepts ``--with-build-python`` and
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``--with-freeze-module`` options to make cross compiling easier.
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The build system now uses a :program:`_bootstrap_python` interpreter for
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freezing and deepfreezing again. To speed up build process the build tools
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:program:`_bootstrap_python` and :program:`_freeze_module` are no longer
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build with LTO.
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@ -1,2 +0,0 @@
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CI now verifies that autoconf files have been regenerated with a current and
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unpatched autoconf package.
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Fix Python.h to build C extensions with Xcode: remove a relative include
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from ``Include/cpython/pystate.h``.
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@ -1,2 +0,0 @@
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Improve the syntax error message for parenthesized arguments. Patch by Pablo
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Galindo.
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@ -1,3 +0,0 @@
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Path calculation (known as ``getpath``) has been reimplemented as a frozen
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Python module. This should have no visible impact, but may affect
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calculation of all paths referenced in :mod:`sys` and :mod:`sysconfig`.
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Replace all numeric ``BINARY_*`` and ``INPLACE_*`` instructions with a single
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:opcode:`BINARY_OP` implementation.
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Specialized the ``STORE_SUBSCR`` opcode using the PEP 659 machinery.
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@ -1,9 +0,0 @@
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The parser now gives a better error message when leaving out the opening
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parenthesis ``(`` after a ``def``-statement::
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>>> def f:
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File "<stdin>", line 1
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def f:
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^
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SyntaxError: expected '('
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@ -1 +0,0 @@
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Fix a compiler hang when attempting to optimize certain jump patterns.
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@ -1,2 +0,0 @@
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Make recursion checks a bit more efficient by tracking amount of calls left
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before overflow.
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@ -1,2 +0,0 @@
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Remove an existing "fast path" for old-style string formatting, since
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it no longer appears to have any measurable impact.
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@ -1,2 +0,0 @@
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Fix computation of error location for invalid continuation characters in the
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parser. Patch by Pablo Galindo.
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@ -1,2 +0,0 @@
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Fix crash when :func:`os.fork` is called with an active non-default
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memory allocator.
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Simplify the implementation of :opcode:`BINARY_OP` by indexing into an array
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of function pointers (rather than switching on the oparg).
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Fix a segfault when the parser fails without reading any input. Patch by
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Pablo Galindo
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@ -1,2 +0,0 @@
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Fixed a bug in the parser that was causing it to not respect :pep:`263`
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coding cookies when no flags are provided. Patch by Pablo Galindo
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Fixed a crash when calling ``.with_traceback(None)`` on ``NameError``. This occurs internally in ``unittest.TestCase.assertRaises()``.
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Specialize :opcode:`BINARY_SUBSCR` for classes with a ``__getitem__`` method
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implemented in Python
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Adds new :opcode:`COPY_FREE_VARS` opcode, to make copying of free variables
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from function to frame explicit. Helps optimization of calls to Python
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function.
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Restore behavior from 3.10 when tracing an exception raised within a with
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statement.
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@ -1,2 +0,0 @@
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Allow the parser to obtain error lines directly from encoded files. Patch by
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Pablo Galindo
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Improve the tokenizer errors when encountering invisible control characters
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in the parser. Patch by Pablo Galindo
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Fix crash when calling coro.cr_frame.clear() after coroutine has been freed.
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@ -1 +0,0 @@
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Fix :mod:`traceback` display for exceptions with invalid module name.
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Allocate space for the interpreter frame in the frame object, to avoid an
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additional allocation when the frame object outlives the frame activation.
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Specialized the ``COMPARE_OP`` opcode using the PEP 659 machinery.
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Refine the custom syntax error that suggests that a comma may be missing to
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trigger only when the expressions are detected between parentheses or
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brackets. Patch by Pablo Galindo
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The three values of ``exc_info`` are now always consistent with each other.
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In particular, the ``type`` and ``traceback`` fields are now derived from
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the exception instance. This impacts the return values of :func:`sys.exc_info`
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and :c:func:`PyErr_GetExcInfo()` if the exception instance is modified while
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the exception is handled, as well as :c:func:`PyErr_SetExcInfo()`, which now
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ignores the ``type`` and ``traceback`` arguments provided to it.
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Fail the configure step if the selected compiler doesn't support memory
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sanitizer. Patch by Pablo Galindo
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Reverts a change to the ``code.__new__`` :ref:`audit event <audit-events>`
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from an earlier prerelease.
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``is_valid_fd`` now uses faster ``fcntl(fd, F_GETFD)`` on Linux, macOS, and Windows.
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Place pointers to dict and values immediately before GC header. This reduces
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number of dependent memory loads to access either dict or values from 3 to
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1.
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The ``__note__`` field was added to :exc:`BaseException`. It is ``None``
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by default but can be set to a string which is added to the exception's
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traceback.
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@ -1 +0,0 @@
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:c:func:`_PyErr_ChainStackItem` no longer normalizes ``exc_info`` (including setting the traceback on the exception instance) because ``exc_info`` is always normalized.
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Fix the :exc:`SyntaxError` location for errors involving for loops with
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invalid targets. Patch by Pablo Galindo
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@ -1,5 +0,0 @@
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Restore behavior from 3.9 and earlier when sending non-None to newly started
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generator. In 3.9 this did not affect the state of the generator. In 3.10.0
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and 3.10.1 ``gen_func().send(0)`` is equivalent to
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``gen_func().throw(TypeError(...)`` which exhausts the generator. In 3.10.2
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onward, the behavior has been reverted to that of 3.9.
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@ -1,2 +0,0 @@
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Expanded :func:`~dataclasses.astuple` and :func:`~dataclasses.asdict` docs,
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warning about deepcopy being applied and providing a workaround.
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@ -1,2 +0,0 @@
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In the extending chapter of the extending doc, update a paragraph about the
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global variables containing exception information.
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@ -1,2 +0,0 @@
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Update the documentation to note that CPython does not consistently
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require iterators to define ``__iter__``.
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@ -1,2 +0,0 @@
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Update the docstring of the :class:`type` built-in to remove a redundant
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line and to mention keyword arguments for the constructor.
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@ -1 +0,0 @@
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``socket.socket`` documentation is corrected to a class from a function.
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@ -1 +0,0 @@
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Link doc for sys.prefix to sysconfig doc on installation paths.
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@ -1,3 +0,0 @@
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Properly marked-up grammar tokens in the documentation are now clickable and
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take you to the definition of a given piece of grammar. Patch by Arthur
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Milchior.
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@ -1 +0,0 @@
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Improve cross-references in the documentation for the data model.
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@ -1,2 +0,0 @@
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``make -C Doc suspicious`` will be removed soon in favor of ``make -C Doc
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check``, mark it as deprecated.
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Add :func:`inspect.getmembers_static` , it return all members without
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triggering dynamic lookup via the descriptor protocol. Patch by Weipeng Hong.
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@ -1 +0,0 @@
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Add MIME types for N-quads, N-triples, Notation3 and TriG to ``mimetypes``.
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@ -1,2 +0,0 @@
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Avoid a possible *"RuntimeError: dictionary changed size during iteration"*
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when adjusting the process count of :class:`ProcessPoolExecutor`.
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@ -1 +0,0 @@
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Improve netrc library. netrc file no longer needs to contain all tokens. And if the login name is anonymous, security check is no longer need.
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Add ``max_tasks_per_child`` to :class:`concurrent.futures.ProcessPoolExecutor`.
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This allows users to specify the maximum number of tasks a single process
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should execute before the process needs to be restarted.
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@ -1 +0,0 @@
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Implement :pep:`585` for :class:`graphlib.TopologicalSorter`.
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@ -1 +0,0 @@
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Add tests for truncated/missing trailers in gzip.decompress implementation.
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@ -1 +0,0 @@
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Deprecated legacy functions in :mod:`importlib.resources`.
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@ -1 +0,0 @@
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Optimize :func:`math.comb` and :func:`math.perm`.
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@ -1,2 +0,0 @@
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On Windows, :func:`time.sleep` now uses a waitable timer which supports
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high-resolution timers. Patch by Dong-hee Na and Eryk Sun.
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@ -1 +0,0 @@
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Launch GNOME web browsers via gio tool instead of obsolete gvfs-open
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@ -1,2 +0,0 @@
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Fix the repr of :data:`dataclasses.InitVar` with a type alias to the
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built-in class, e.g. ``InitVar[list[int]]``.
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@ -1,2 +0,0 @@
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Fix :func:`dataclasses.is_dataclass` for dataclasses which are subclasses of
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:class:`types.GenericAlias`.
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@ -1,2 +0,0 @@
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Fix :func:`types.resolve_bases` and :func:`types.new_class` for
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:class:`types.GenericAlias` instance as a base.
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@ -1 +0,0 @@
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Improve output of ``dir()`` with Enums.
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@ -1,5 +0,0 @@
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When a namespace package is imported before another module from the same
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namespace is created/installed in a different :data:`sys.path` location
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while the program is running, calling the
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:func:`importlib.invalidate_caches` function will now also guarantee the new
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module is noticed.
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In-place JSON file formatting using ``python3 -m json.tool infile infile``
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now works correctly, previously it left the file empty. Patch by Chris
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Wesseling.
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@ -1 +0,0 @@
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Fix bug where :mod:`dis` produced an incorrect oparg when :opcode:`EXTENDED_ARG` is followed by an opcode that does not use its argument.
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@ -1 +0,0 @@
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In importlib.metadata, fix distribution discovery for an empty path.
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@ -1 +0,0 @@
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Added *proportional* option to :meth:`statistics.linear_regression`.
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@ -1,3 +0,0 @@
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Fix a regression in Python 3.11a1 and 3.11a2 where :mod:`sqlite3`
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incorrectly would use ``SQLITE_LIMIT_LENGTH`` when checking SQL statement
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lengths. Now, ``SQLITE_LIMIT_SQL_LENGTH`` is used. Patch by Erlend E. Aasland.
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