Cpython: v3.12.0a4 Release

279 Commits in this Release

Ordered by the degree to which they evolved the repo in this version.

gh-99955: standardize return values of functions in compiler's code-gen (#100010)

Authored December 12, 2022

GH-98831: Typed stack effects, and more instructions converted (#99764)

Authored December 8, 2022

GH-98831: Modernize a ton of simpler instructions (#100545)

Authored December 28, 2022

gh-68320, gh-88302 - Allow for private `pathlib.Path` subclassing (GH-31691)

Authored December 23, 2022

GH-99005: Add `CALL_INTRINSIC_1` instruction (GH-100771)

Authored January 5, 2023

gh-100357: Convert several functions in `bltinsmodule` to AC (#100358)

Authored December 24, 2022

GH-100485: Add math.sumprod() (GH-100677)

Authored January 7, 2023

GH-99005: More intrinsics (GH-100774)

Authored January 6, 2023

GH-98831: Update generate_cases.py: register inst, opcode_metadata.h (#100735)

Authored January 5, 2023

gh-100228: Warn from os.fork() if other threads exist. (#100229)

Authored December 29, 2022

gh-100540: Remove obsolete Modules/_ctypes/darwin/ dlfcn shim (GH-100541)

Authored December 29, 2022

gh-97930: Apply changes from importlib_resources 5.10. (GH-100598)

Authored January 1, 2023

GH-91166: Implement zero copy writes for `SelectorSocketTransport` in asyncio (#31871)

Authored December 24, 2022

gh-81057: Move More Globals to _PyRuntimeState (gh-100092)

Authored December 7, 2022

Python 3.12.0a4

Authored January 10, 2023

gh-81057: Move tracemalloc Globals to _PyRuntimeState (gh-100151)

Authored December 12, 2022

gh-100758: Refactor initialisation of frame headers into a single function (_PyFrame_Initialize) (GH-100759)

Authored January 6, 2023

GH-100126: Skip incomplete frames in more places (GH-100613)

Authored January 9, 2023

gh-81057: Move time Globals to _PyRuntimeState (gh-100122)

Authored December 8, 2022

gh-81057: Move OS-Related Globals to _PyRuntimeState (gh-100082)

Authored December 8, 2022

GH-100222: Redefine _Py_CODEUNIT as a union to clarify structure of code unit. (GH-100223)

Authored December 14, 2022

gh-89727: Fix os.walk RecursionError on deep trees (#99803)

Authored December 19, 2022

gh-81057: Move Signal-Related Globals to _PyRuntimeState (gh-100085)

Authored December 12, 2022

gh-78997: AttributeError if loading fails in LibraryLoader.__getattr__

Authored December 15, 2022

GH-98831: Add some tests for generate_cases.py (#100763)

Authored January 6, 2023

gh-100344: Add C implementation for `asyncio.current_task` (#100345)

Authored December 22, 2022

GH-98831: Add DECREF_INPUTS(), expanding to DECREF() each stack input (#100205)

Authored December 17, 2022

GH-100363: Speed up `asyncio.get_running_loop` (#100364)

Authored December 21, 2022

Assorted minor fixes for specialization stats. (GH-100219)

Authored December 14, 2022

gh-81057: Move Threading-Related Globals to _PyRuntimeState (#100084)

Authored December 9, 2022

GH-99770: Make the correct call specialization fail kind show up in the stats (GH-99771)

Authored December 22, 2022

gh-81057: Move faulthandler Globals to _PyRuntimeState (gh-100152)

Authored December 12, 2022

Move stats for the method cache into the `Py_STAT` machinery (GH-100255)

Authored December 15, 2022

GH-100143: Improve collecting pystats for parts of runs (GH-100144)

Authored December 12, 2022

gh-83076: 3.8x speed improvement in (Async)Mock instantiation (#100252)

Authored December 23, 2022

GH-100117: Make `co_lines` more efficient (GH-100447)

Authored January 10, 2023

gh-81057: Move Ceval Trampoline Globals to _PyRuntimeState (gh-100083)

Authored December 9, 2022

GH-100719: Remove the `co_nplaincellvars` field from code objects. (GH-100721)

Authored January 4, 2023

GH-99554: Pack location tables more effectively (GH-99556)

Authored December 22, 2022

GH-100000: Cleanup and polish various watchers code (GH-99998)

Authored December 14, 2022