mirror of https://github.com/python/cpython
Python 3.11.0a1
This commit is contained in:
Pablo Galindo
parent
5146877623
commit
7c12e4835e
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@ -20,10 +20,10 @@
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#define PY_MINOR_VERSION 11
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#define PY_MINOR_VERSION 11
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#define PY_MICRO_VERSION 0
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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_LEVEL PY_RELEASE_LEVEL_ALPHA
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#define PY_RELEASE_SERIAL 0
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#define PY_RELEASE_SERIAL 1
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/* Version as a string */
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/* Version as a string */
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#define PY_VERSION "3.11.0a0"
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#define PY_VERSION "3.11.0a1"
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/*--end constants--*/
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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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/* Version as a single 4-byte hex number, e.g. 0x010502B2 == 1.5.2b2.
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File diff suppressed because it is too large
Load Diff
File diff suppressed because it is too large
Load Diff
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Fix broken ``make install`` that caused standard library extension modules
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to be unnecessarily and incorrectly rebuilt during the install phase of
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cpython.
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The Windows build now accepts :envvar:`EnableControlFlowGuard` set to
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``guard`` to enable CFG.
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Improved error message when building without a Windows SDK installed.
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@ -1 +0,0 @@
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Enable building using a Visual Studio 2022 install on Windows.
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Add support for building with clang thin lto via --with-lto=thin/full. Patch
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by Dong-hee Na and Brett Holman.
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@ -1,3 +0,0 @@
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Generate lines in relevant files for frozen modules. Up until now each of
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the files had to be edited manually. This change makes it easier to add to
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and modify the frozen modules.
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@ -1,7 +0,0 @@
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The ncurses function extended_color_content was introduced in 2017
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(https://invisible-island.net/ncurses/NEWS.html#index-t20170401). The
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ncurses-devel package in CentOS 7 had a older version ncurses resulted in
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compilation error. For compiling ncurses with extended color support, we
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verify the version of the ncurses library >= 20170401.
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Fixes Haiku platform build.
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Windows builds now regenerate frozen modules as the first part of the build.
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Previously the regeneration was later in the build, which would require it
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to be restarted if any modules had changed.
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Freeze stdlib modules that are imported during startup. This provides
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significant performance improvements to startup. If necessary, use the
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previously added "-X frozen_modules=off" commandline option to force
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importing the source modules.
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Avoid building with the Windows 11 SDK previews automatically. This may be
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overridden by setting the ``DefaultWindowsSDKVersion`` environment variable
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before building.
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Add a new :c:func:`PyType_GetName` function to get type's short name.
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@ -1,9 +0,0 @@
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Remove deprecated ``Py_UNICODE`` APIs: ``PyUnicode_Encode``,
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``PyUnicode_EncodeUTF7``, ``PyUnicode_EncodeUTF8``,
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``PyUnicode_EncodeUTF16``, ``PyUnicode_EncodeUTF32``,
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``PyUnicode_EncodeLatin1``, ``PyUnicode_EncodeMBCS``,
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``PyUnicode_EncodeDecimal``, ``PyUnicode_EncodeRawUnicodeEscape``,
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``PyUnicode_EncodeCharmap``, ``PyUnicode_EncodeUnicodeEscape``,
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``PyUnicode_TransformDecimalToASCII``, ``PyUnicode_TranslateCharmap``,
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``PyUnicodeEncodeError_Create``, ``PyUnicodeTranslateError_Create``. See
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:pep:`393` and :pep:`624` for reference.
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:c:func:`PyCodec_Unregister` is now properly exported as a function in the
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Windows Stable ABI DLL.
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Remove ``PyErr_SetFromErrnoWithUnicodeFilename()``,
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``PyErr_SetFromWindowsErrWithUnicodeFilename()``, and
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``PyErr_SetExcFromWindowsErrWithUnicodeFilename()``. They are not documented
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and have been deprecated since Python 3.3.
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Deprecate the following functions to configure the Python initialization:
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* :c:func:`PySys_AddWarnOptionUnicode`
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* :c:func:`PySys_AddWarnOption`
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* :c:func:`PySys_AddXOption`
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* :c:func:`PySys_HasWarnOptions`
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* :c:func:`Py_SetPath`
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* :c:func:`Py_SetProgramName`
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* :c:func:`Py_SetPythonHome`
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* :c:func:`Py_SetStandardStreamEncoding`
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* :c:func:`_Py_SetProgramFullPath`
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Use the new :c:type:`PyConfig` API of the :ref:`Python Initialization
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Configuration <init-config>` instead (:pep:`587`).
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The undocumented function :c:func:`Py_FrozenMain` is removed from the Limited API.
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The :c:func:`PyType_Ready` function now raises an error if a type is defined
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with the :const:`Py_TPFLAGS_HAVE_GC` flag set but has no traverse function
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(:c:member:`PyTypeObject.tp_traverse`).
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Patch by Victor Stinner.
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Convert the :c:func:`Py_TYPE` and :c:func:`Py_SIZE` macros to static inline
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functions. The :c:func:`Py_SET_TYPE` and :c:func:`Py_SET_SIZE` functions
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must now be used to set an object type and size. Patch by Victor Stinner.
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:c:func:`Py_IS_TYPE` no longer uses :c:func:`Py_TYPE` to avoid a compiler
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warning: no longer cast ``const PyObject*`` to ``PyObject*``.
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Patch by Victor Stinner.
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The list in :ref:`stable-abi-list` now shows the public name
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:c:struct:`PyFrameObject` rather than ``_frame``. The non-existing
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entry ``_node`` no longer appears in the list.
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Removed documentation for the removed ``PyParser_*`` C API.
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Remove 4 private trashcan C API functions which were only kept for the backward
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compatibility of the stable ABI with Python 3.8 and older, since the trashcan
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API was not usable with the limited C API on Python 3.8 and older. The
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trashcan API was excluded from the limited C API in Python 3.9.
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Removed functions:
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* _PyTrash_deposit_object()
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* _PyTrash_destroy_chain()
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* _PyTrash_thread_deposit_object()
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* _PyTrash_thread_destroy_chain()
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The trashcan C API was never usable with the limited C API, since old trashcan
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macros accessed directly :c:type:`PyThreadState` members like
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``_tstate->trash_delete_nesting``, whereas the :c:type:`PyThreadState`
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structure is opaque in the limited C API.
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Exclude also the the ``PyTrash_UNWIND_LEVEL`` constant from the C API.
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Patch by Victor Stinner.
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:c:func:`Py_RunMain` now resets :c:data:`PyImport_Inittab` to its initial value
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at exit. It must be possible to call :c:func:`PyImport_AppendInittab` or
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:c:func:`PyImport_ExtendInittab` at each Python initialization.
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Patch by Victor Stinner.
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Added the ``co_qualname`` to the ``PyCodeObject`` structure to propagate the
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qualified name from the compiler to code objects.
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Patch by Gabriele N. Tornetta
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The ``Py_TPFLAGS_HAVE_VERSION_TAG`` type flag now does nothing. The
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``Py_TPFLAGS_HAVE_AM_SEND`` flag (which was added in 3.10) is removed. Both
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were unnecessary because it is not possible to have type objects with the
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relevant fields missing.
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Remove ``crypt.h`` include from the public ``Python.h`` header.
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Reverts removal of the old buffer protocol because they are part of stable
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ABI.
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Add a new :c:func:`PyType_GetQualName` function to get type's qualified
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name.
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Add a deallocator to the :class:`bool` type to detect refcount bugs in C
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extensions which call ``Py_DECREF(Py_True);`` or ``Py_DECREF(Py_False);`` by
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mistake. Patch by Victor Stinner.
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Add the :c:macro:`Py_NO_INLINE` macro to disable inlining on a function.
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Patch by Victor Stinner.
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Add the :c:macro:`Py_ALWAYS_INLINE` macro to ask the compiler to always
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inline a static inline function. The compiler can ignore it and decides to
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not inline the function. Patch by Victor Stinner.
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:meth:`BufferedReader.peek` no longer raises :exc:`ValueError` when the entire file has already been buffered.
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The PyThread_acquire_lock_timed() function now clamps the timeout if it is
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too large, rather than aborting the process. Patch by Victor Stinner.
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Asynchronous comprehensions are now allowed inside comprehensions in
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asynchronous functions. Outer comprehensions implicitly become
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asynchronous.
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Fix crash when using passing a non-exception to a generator's ``throw()`` method. Patch by Noah Oxer
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When compiling :class:`ast.AST` objects with recursive references
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through :func:`compile`, the interpreter doesn't crash anymore instead
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it raises a :exc:`RecursionError`.
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@ -1 +0,0 @@
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Fix a confusing error message in :func:`str.format`.
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More accurate error messages for access of unbound locals or free vars.
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Compute cell offsets relative to locals in compiler. Allows the interpreter
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to treats locals and cells a single array, which is slightly more efficient.
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Also make the LOAD_CLOSURE opcode an alias for LOAD_FAST. Preserving
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LOAD_CLOSURE helps keep bytecode a bit more readable.
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Add native_thread_id to PyThreadState. Patch by Gabriele N. Tornetta.
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Emit a deprecation warning if the numeric literal is immediately followed by
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one of keywords: and, else, for, if, in, is, or. Raise a syntax error with
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more informative message if it is immediately followed by other keyword or
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identifier.
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Document the signature and ``default`` argument in the docstring of the new ``anext`` builtin.
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"Zero cost" exception handling.
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* Uses a lookup table to determine how to handle exceptions.
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* Removes SETUP_FINALLY and POP_TOP block instructions, eliminating the runtime overhead of try statements.
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* Reduces the size of the frame object by about 60%.
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Patch by Mark Shannon
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The parser will prioritize tokenizer errors over custom syntax errors when
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raising exceptions. Patch by Pablo Galindo.
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Corrent the syntax error message regarding multiple exception types to not
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refer to "exception groups". Patch by Pablo Galindo
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Compiler now optimizes simple C-style formatting with literal format
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containing only format codes %s, %r and %a by converting them to f-string
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expressions.
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Add ``CALL_METHOD_KW`` opcode to speed up method calls with keyword
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arguments. Idea originated from PyPy. A side effect is executing
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``CALL_METHOD`` is now branchless in the evaluation loop.
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Improve :func:`str.__getitem__` error message
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Fix incorrect dictkeys_reversed and dictitems_reversed function signatures in C code, which broke webassembly builds.
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Move 'fast' locals and other variables from the frame object to a per-thread
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datastack.
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Fixed a crash in the parser that manifest when raising tokenizer errors when
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an existing exception was present. Patch by Pablo Galindo.
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String caches in ``compile.c`` are now subinterpreter compatible.
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Fix error message in the parser involving keyword arguments with invalid
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expressions. Patch by Pablo Galindo
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The parser doesn't report generic syntax errors that happen in a position
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further away that the one it reached in the first pass. Patch by Pablo
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Galindo
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Implement quickening in the interpreter. This offers no advantages as
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yet, but is an enabler of future optimizations. See PEP 659 for full
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explanation.
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Fix a crash at Python exit when a deallocator function removes the last strong
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reference to a heap type.
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Patch by Victor Stinner.
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``PyCodeObject`` gained ``co_fastlocalnames`` and ``co_fastlocalkinds`` as
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the the authoritative source of fast locals info. Marshaled code objects
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have changed accordingly.
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Avoid side effects of checking for specialized syntax errors in the REPL
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that was causing it to ask for extra tokens after a syntax error had been
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detected. Patch by Pablo Galindo
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Fix a regression in :func:`type` when a metaclass raises an exception. The C
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function :c:func:`type_new` must properly report the exception when a metaclass
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constructor raises an exception and the winner class is not the metaclass.
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Patch by Victor Stinner.
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A new opcode MAKE_CELL has been added that effectively moves some of
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the work done on function entry into the compiler and into the eval
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loop. In addition to creating the required cell objects, the new
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opcode converts relevant arguments (and other locals) to cell
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variables on function entry.
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Improve Unicode support in non-UTF locales on Oracle Solaris. This issue
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does not affect other Solaris systems.
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Constructors of subclasses of some buitin classes (e.g. :class:`tuple`,
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:class:`list`, :class:`frozenset`) no longer accept arbitrary keyword
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arguments. Subclass of :class:`set` can now define a ``__new__()`` method
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with additional keyword parameters without overriding also ``__init__()``.
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Improve error message for ``try`` blocks without ``except`` or ``finally``
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blocks. Patch by Pablo Galindo.
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Fix a crash in the :mod:`sqlite3` module that happened when the garbage
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collector clears :class:`sqlite.Statement` objects. Patch by Pablo Galindo
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Improve tokenizer error with improved locations. Patch by Pablo Galindo.
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Computation of the offsets of cell variables is done in the compiler instead
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of at runtime. This reduces the overhead of handling cell and free
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variables, especially in the case where a variable is both an argument and
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cell variable.
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Fix a regression when identifying incorrect characters in syntax errors.
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Patch by Pablo Galindo
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@ -1,11 +0,0 @@
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Initial implementation of adaptive specialization of LOAD_ATTR
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Four specialized forms of LOAD_ATTR are added:
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* LOAD_ATTR_SLOT
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* LOAD_ATTR_SPLIT_KEYS
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* LOAD_ATTR_WITH_HINT
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* LOAD_ATTR_MODULE
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@ -1 +0,0 @@
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Fix an edge case when displaying text from files with encoding in syntax errors. Patch by Pablo Galindo.
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@ -1 +0,0 @@
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Improve syntax errors for invalid "as" targets. Patch by Pablo Galindo
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@ -1,7 +0,0 @@
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Implement adaptive specialization for LOAD_GLOBAL
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Two specialized forms of LOAD_GLOBAL are added:
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* LOAD_GLOBAL_MODULE
|
|
||||||
|
|
||||||
* LOAD_GLOBAL_BUILTIN
|
|
||||||
|
|
@ -1,4 +0,0 @@
|
||||||
Directly imported objects and modules (through import and from import
|
|
||||||
statements) don't generate ``LOAD_METHOD``/``CALL_METHOD`` for directly
|
|
||||||
accessed objects on their namespace. They now use the regular
|
|
||||||
``LOAD_ATTR``/``CALL_FUNCTION``.
|
|
||||||
|
|
@ -1 +0,0 @@
|
||||||
Exact integer exponentiation (like ``i**2`` or ``pow(i, 2)``) with a small exponent is much faster, due to reducing overhead in such cases.
|
|
||||||
|
|
@ -1,2 +0,0 @@
|
||||||
Fix a possible crash in the tokenizer when raising syntax errors for
|
|
||||||
unclosed strings. Patch by Pablo Galindo.
|
|
||||||
|
|
@ -1,2 +0,0 @@
|
||||||
Fix error location information for tokenizer errors raised on initialization
|
|
||||||
of the tokenizer. Patch by Pablo Galindo.
|
|
||||||
|
|
@ -1,2 +0,0 @@
|
||||||
Improve the syntax error when mixing positional and keyword patterns. Patch
|
|
||||||
by Pablo Galindo.
|
|
||||||
|
|
@ -1,3 +0,0 @@
|
||||||
Make sure that the line number is set when entering a comprehension scope.
|
|
||||||
Ensures that backtraces inclusing generator expressions show the correct
|
|
||||||
line number.
|
|
||||||
|
|
@ -1,4 +0,0 @@
|
||||||
A :exc:`TypeError` is now raised instead of an :exc:`AttributeError` in
|
|
||||||
:keyword:`with` and :keyword:`async with` statements for objects which do
|
|
||||||
not support the :term:`context manager` or :term:`asynchronous context
|
|
||||||
manager` protocols correspondingly.
|
|
||||||
|
|
@ -1 +0,0 @@
|
||||||
Fix ltrace functionality when exceptions are raised. Patch by Pablo Galindo
|
|
||||||
|
|
@ -1,2 +0,0 @@
|
||||||
Modules will always have a dictionary, even when created by
|
|
||||||
``types.ModuleType.__new__()``
|
|
||||||
|
|
@ -1,2 +0,0 @@
|
||||||
Fix a crash in ``types.Union`` objects when creating a union of an object
|
|
||||||
with bad ``__module__`` field.
|
|
||||||
|
|
@ -1,3 +0,0 @@
|
||||||
Remove the pass-through for :func:`hash` of :class:`weakref.proxy` objects
|
|
||||||
to prevent unintended consequences when the original referred object
|
|
||||||
dies while the proxy is part of a hashable object. Patch by Pablo Galindo.
|
|
||||||
|
|
@ -1,2 +0,0 @@
|
||||||
Add ``__parameters__`` attribute and ``__getitem__``
|
|
||||||
operator to ``types.Union``. Patch provided by Yurii Karabas.
|
|
||||||
|
|
@ -1,2 +0,0 @@
|
||||||
Implement GC methods for ``types.Union`` to break reference cycles and
|
|
||||||
prevent memory leaks.
|
|
||||||
|
|
@ -1,3 +0,0 @@
|
||||||
Heap types with the :const:`Py_TPFLAGS_IMMUTABLETYPE` flag can now inherit the
|
|
||||||
:pep:`590` vectorcall protocol. Previously, this was only possible for
|
|
||||||
:ref:`static types <static-types>`. Patch by Erlend E. Aasland.
|
|
||||||
|
|
@ -1,3 +0,0 @@
|
||||||
Fix a memory consumption and copying performance regression in earlier 3.10
|
|
||||||
beta releases if someone used an output buffer larger than 4GiB with
|
|
||||||
zlib.decompress on input data that expands that large.
|
|
||||||
|
|
@ -1,2 +0,0 @@
|
||||||
Remove uses of :c:func:`PyObject_GC_Del` in error path when initializing
|
|
||||||
:class:`types.GenericAlias`.
|
|
||||||
|
|
@ -1,6 +0,0 @@
|
||||||
Code objects can now provide the column information for instructions when
|
|
||||||
available. This is levaraged during traceback printing to show the
|
|
||||||
expressions responsible for errors.
|
|
||||||
|
|
||||||
Contributed by Pablo Galindo, Batuhan Taskaya and Ammar Askar as part of
|
|
||||||
:pep:`657`.
|
|
||||||
|
|
@ -1,3 +0,0 @@
|
||||||
:mod:`typing` now searches for type parameters in ``types.Union`` objects.
|
|
||||||
``get_type_hints`` will also properly resolve annotations with nested
|
|
||||||
``types.Union`` objects. Patch provided by Yurii Karabas.
|
|
||||||
|
|
@ -1,4 +0,0 @@
|
||||||
An obsolete internal cache of shared object file handles added in 1995 that
|
|
||||||
attempted, but did not guarantee, that a .so would not be dlopen'ed twice to
|
|
||||||
work around flaws in mid-1990s posix-ish operating systems has been removed
|
|
||||||
from dynload_shlib.c.
|
|
||||||
|
|
@ -1,3 +0,0 @@
|
||||||
The threading debug (:envvar:`PYTHONTHREADDEBUG` environment variable) is
|
|
||||||
deprecated in Python 3.10 and will be removed in Python 3.12. This feature
|
|
||||||
requires a debug build of Python. Patch by Victor Stinner.
|
|
||||||
|
|
@ -1,5 +0,0 @@
|
||||||
All necessary data for executing a Python function (local variables, stack,
|
|
||||||
etc) is now kept in a per-thread stack. Frame objects are lazily allocated
|
|
||||||
on demand. This increases performance by about 7% on the standard benchmark
|
|
||||||
suite. Introspection and debugging are unaffected as frame objects are
|
|
||||||
always available when needed. Patch by Mark Shannon.
|
|
||||||
|
|
@ -1 +0,0 @@
|
||||||
Tuned the string-searching algorithm of fastsearch.h to have a shorter inner loop for most cases.
|
|
||||||
|
|
@ -1,2 +0,0 @@
|
||||||
The ``@classmethod`` decorator can now wrap other classmethod-like
|
|
||||||
descriptors.
|
|
||||||
|
|
@ -1 +0,0 @@
|
||||||
Fix ``__instancecheck__`` and ``__subclasscheck__`` for the union type.
|
|
||||||
|
|
@ -1,2 +0,0 @@
|
||||||
Mapping patterns in ``match`` statements with two or more equal literal
|
|
||||||
keys will now raise a :exc:`SyntaxError` at compile-time.
|
|
||||||
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Reference in New Issue