merge

Author: jberg5

.gitattributes

@@ -103,3 +103,4 @@ Python/stdlib_module_names.h                        generated
 Tools/peg_generator/pegen/grammar_parser.py         generated
 aclocal.m4                                          generated
 configure                                           generated
+*.min.js                                            generated

.github/CODEOWNERS

@@ -80,9 +80,10 @@ Tools/patchcheck/             @AA-Turner
 # ----------------------------------------------------------------------------
 
 # Autotools
-configure*                       @erlend-aasland @corona10 @AA-Turner
-Makefile.pre.in                  @erlend-aasland @AA-Turner
-Modules/Setup*                   @erlend-aasland @AA-Turner
+configure*                       @erlend-aasland @corona10 @AA-Turner @emmatyping
+Makefile.pre.in                  @erlend-aasland @AA-Turner @emmatyping
+Modules/makesetup                @erlend-aasland @AA-Turner @emmatyping
+Modules/Setup*                   @erlend-aasland @AA-Turner @emmatyping
 Tools/build/regen-configure.sh   @AA-Turner
 
 
@@ -149,6 +150,7 @@ Lib/test/test_android.py      @mhsmith @freakboy3742
 # iOS
 Doc/using/ios.rst             @freakboy3742
 Lib/_ios_support.py           @freakboy3742
+Apple/                        @freakboy3742
 iOS/                          @freakboy3742
 
 # macOS
@@ -157,16 +159,16 @@ Lib/_osx_support.py           @python/macos-team
 Lib/test/test__osx_support.py @python/macos-team
 
 # WebAssembly
-Tools/wasm/README.md          @brettcannon @freakboy3742
+Tools/wasm/README.md          @brettcannon @freakboy3742 @emmatyping
 
 # WebAssembly (Emscripten)
-Tools/wasm/config.site-wasm32-emscripten  @freakboy3742
-Tools/wasm/emscripten                     @freakboy3742
+Tools/wasm/config.site-wasm32-emscripten  @freakboy3742 @emmatyping
+Tools/wasm/emscripten                     @freakboy3742 @emmatyping
 
 # WebAssembly (WASI)
-Tools/wasm/wasi-env           @brettcannon
-Tools/wasm/wasi.py            @brettcannon
-Tools/wasm/wasi               @brettcannon
+Tools/wasm/wasi-env           @brettcannon @emmatyping
+Tools/wasm/wasi.py            @brettcannon @emmatyping
+Tools/wasm/wasi               @brettcannon @emmatyping
 
 # Windows
 PC/                           @python/windows-team
@@ -239,10 +241,10 @@ Lib/test/test_getpath.py      @FFY00
 Modules/getpath*              @FFY00
 
 # Hashing / ``hash()`` and related
-Include/cpython/pyhash.h         @gpshead @picnixz @tiran
-Include/internal/pycore_pyhash.h @gpshead @picnixz @tiran
-Include/pyhash.h                 @gpshead @picnixz @tiran
-Python/pyhash.c                  @gpshead @picnixz @tiran
+Include/cpython/pyhash.h         @gpshead @picnixz
+Include/internal/pycore_pyhash.h @gpshead @picnixz
+Include/pyhash.h                 @gpshead @picnixz
+Python/pyhash.c                  @gpshead @picnixz
 
 # The import system (including importlib)
 **/*import*                   @brettcannon @ericsnowcurrently @ncoghlan @warsaw
@@ -369,14 +371,14 @@ Lib/calendar.py               @AA-Turner
 Lib/test/test_calendar.py     @AA-Turner
 
 # Cryptographic Primitives and Applications
-**/*hashlib*                  @gpshead @picnixz @tiran
-**/*hashopenssl*              @gpshead @picnixz @tiran
+**/*hashlib*                  @gpshead @picnixz
+**/*hashopenssl*              @gpshead @picnixz
 **/*hmac*                     @gpshead @picnixz
 **/*ssl*                      @gpshead @picnixz
 Modules/_hacl/                @gpshead @picnixz
-Modules/*blake*               @gpshead @picnixz @tiran
-Modules/*md5*                 @gpshead @picnixz @tiran
-Modules/*sha*                 @gpshead @picnixz @tiran
+Modules/*blake*               @gpshead @picnixz
+Modules/*md5*                 @gpshead @picnixz
+Modules/*sha*                 @gpshead @picnixz
 
 # Codecs
 Modules/cjkcodecs/            @corona10
@@ -405,11 +407,15 @@ Lib/test/test_dataclasses/    @ericvsmith
 
 # Dates and times
 Doc/**/*time.rst                 @pganssle @abalkin
+Doc/library/zoneinfo.rst         @pganssle
 Include/datetime.h               @pganssle @abalkin
 Include/internal/pycore_time.h   @pganssle @abalkin
+Lib/test/test_zoneinfo/          @pganssle
+Lib/zoneinfo/                    @pganssle
 Lib/*time.py                     @pganssle @abalkin
 Lib/test/datetimetester.py       @pganssle @abalkin
 Lib/test/test_*time.py           @pganssle @abalkin
+Modules/*zoneinfo*               @pganssle
 Modules/*time*                   @pganssle @abalkin
 Python/pytime.c                  @pganssle @abalkin
 
@@ -603,9 +609,9 @@ Lib/test/test_zipfile/_path/  @jaraco
 Lib/zipfile/_path/            @jaraco
 
 # Zstandard
-Lib/compression/zstd/         @AA-Turner
-Lib/test/test_zstd.py         @AA-Turner
-Modules/_zstd/                @AA-Turner
+Lib/compression/zstd/         @AA-Turner @emmatyping
+Lib/test/test_zstd.py         @AA-Turner @emmatyping
+Modules/_zstd/                @AA-Turner @emmatyping
 
 # ----------------------------------------------------------------------------
 

.github/CONTRIBUTING.rst

@@ -34,17 +34,18 @@ our workflow that are not covered by a bot or status check are:
 - All discussions that are not directly related to the code in the pull request
   should happen on `GitHub Issues <https://github.com/python/cpython/issues>`_.
 - Upon your first non-trivial pull request (which includes documentation changes),
-  feel free to add yourself to ``Misc/ACKS``
+  feel free to add yourself to ``Misc/ACKS``.
 
 
 Setting Expectations
 --------------------
-Due to the fact that this project is entirely volunteer-run (i.e. no one is paid
-to work on Python full-time), we unfortunately can make no guarantees as to if
+Due to the fact that this project is run by volunteers,
+unfortunately we cannot make any guarantees as to if
 or when a core developer will get around to reviewing your pull request.
 If no core developer has done a review or responded to changes made because of a
-"changes requested" review, please feel free to email python-dev to ask if
-someone could take a look at your pull request.
+"changes requested" review within a month, you can ask for someone to
+review your pull request via a post in the `Core Development Discourse
+category <https://discuss.python.org/c/core-dev/23>`__.
 
 
 Code of Conduct

.github/workflows/jit.yml

@@ -72,10 +72,10 @@ jobs:
         include:
           - target: i686-pc-windows-msvc/msvc
             architecture: Win32
-            runner: windows-latest
+            runner: windows-2022
           - target: x86_64-pc-windows-msvc/msvc
             architecture: x64
-            runner: windows-latest
+            runner: windows-2022
           - target: aarch64-pc-windows-msvc/msvc
             architecture: ARM64
             runner: windows-11-arm
@@ -134,30 +134,57 @@ jobs:
           make all --jobs 4
           ./python -m test --multiprocess 0 --timeout 4500 --verbose2 --verbose3
 
-  # XXX: GH-133171
-  # jit-with-disabled-gil:
-  #   name: Free-Threaded (Debug)
-  #   needs: interpreter
-  #   runs-on: ubuntu-24.04
-  #   timeout-minutes: 90
-  #   strategy:
-  #     fail-fast: false
-  #     matrix:
-  #       llvm:
-  #         - 19
-  #   steps:
-  #     - uses: actions/checkout@v4
-  #       with:
-  #         persist-credentials: false
-  #     - uses: actions/setup-python@v5
-  #       with:
-  #         python-version: '3.11'
-  #     - name: Build with JIT enabled and GIL disabled
-  #       run: |
-  #         sudo bash -c "$(wget -O - https://apt.llvm.org/llvm.sh)" ./llvm.sh ${{ matrix.llvm }}
-  #         export PATH="$(llvm-config-${{ matrix.llvm }} --bindir):$PATH"
-  #         ./configure --enable-experimental-jit --with-pydebug --disable-gil
-  #         make all --jobs 4
-  #     - name: Run tests
-  #       run: |
-  #         ./python -m test --multiprocess 0 --timeout 4500 --verbose2 --verbose3
+  jit-with-disabled-gil:
+    name: Free-Threaded (Debug)
+    needs: interpreter
+    runs-on: ubuntu-24.04
+    timeout-minutes: 90
+    strategy:
+      fail-fast: false
+      matrix:
+        llvm:
+          - 19
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+      - uses: actions/setup-python@v5
+        with:
+          python-version: '3.11'
+      - name: Build with JIT enabled and GIL disabled
+        run: |
+          sudo bash -c "$(wget -O - https://apt.llvm.org/llvm.sh)" ./llvm.sh ${{ matrix.llvm }}
+          export PATH="$(llvm-config-${{ matrix.llvm }} --bindir):$PATH"
+          ./configure --enable-experimental-jit --with-pydebug --disable-gil
+          make all --jobs 4
+      - name: Run tests
+        run: |
+          ./python -m test --multiprocess 0 --timeout 4500 --verbose2 --verbose3
+        continue-on-error: true
+
+  no-opt-jit:
+    name: JIT without optimizations (Debug)
+    needs: interpreter
+    runs-on: ubuntu-24.04
+    timeout-minutes: 90
+    strategy:
+      fail-fast: false
+      matrix:
+        llvm:
+          - 19
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+      - uses: actions/setup-python@v5
+        with:
+          python-version: '3.11'
+      - name: Build with JIT
+        run: |
+          sudo bash -c "$(wget -O - https://apt.llvm.org/llvm.sh)" ./llvm.sh ${{ matrix.llvm }}
+          export PATH="$(llvm-config-${{ matrix.llvm }} --bindir):$PATH"
+          ./configure --enable-experimental-jit --with-pydebug
+          make all --jobs 4
+      - name: Run tests without optimizations
+        run: |
+          PYTHON_UOPS_OPTIMIZE=0 ./python -m test --multiprocess 0 --timeout 4500 --verbose2 --verbose3

.github/workflows/reusable-windows-msi.yml

@@ -17,7 +17,7 @@ env:
 jobs:
   build:
     name: installer for ${{ inputs.arch }}
-    runs-on: ${{ inputs.arch == 'arm64' && 'windows-11-arm' || 'windows-latest' }}
+    runs-on: ${{ inputs.arch == 'arm64' && 'windows-11-arm' || 'windows-2022' }}
     timeout-minutes: 60
     env:
       ARCH: ${{ inputs.arch }}

.github/workflows/reusable-windows.yml

@@ -21,7 +21,7 @@ env:
 jobs:
   build:
     name: Build and test (${{ inputs.arch }})
-    runs-on: ${{ inputs.arch == 'arm64' && 'windows-11-arm' || 'windows-latest' }}
+    runs-on: ${{ inputs.arch == 'arm64' && 'windows-11-arm' || 'windows-2022' }}
     timeout-minutes: 60
     env:
       ARCH: ${{ inputs.arch }}

.github/workflows/tail-call.yml

@@ -49,13 +49,13 @@ jobs:
         include:
 #          - target: i686-pc-windows-msvc/msvc
 #            architecture: Win32
-#            runner: windows-latest
+#            runner: windows-2022
           - target: x86_64-pc-windows-msvc/msvc
             architecture: x64
-            runner: windows-latest
+            runner: windows-2022
 #          - target: aarch64-pc-windows-msvc/msvc
 #            architecture: ARM64
-#            runner: windows-latest
+#            runner: windows-2022
           - target: x86_64-apple-darwin/clang
             architecture: x86_64
             runner: macos-13

.gitignore

@@ -71,15 +71,15 @@ Lib/test/data/*
 /Makefile
 /Makefile.pre
 /iOSTestbed.*
-iOS/Frameworks/
-iOS/Resources/Info.plist
-iOS/testbed/build
-iOS/testbed/Python.xcframework/ios-*/bin
-iOS/testbed/Python.xcframework/ios-*/include
-iOS/testbed/Python.xcframework/ios-*/lib
-iOS/testbed/Python.xcframework/ios-*/Python.framework
-iOS/testbed/iOSTestbed.xcodeproj/project.xcworkspace
-iOS/testbed/iOSTestbed.xcodeproj/xcuserdata
+Apple/iOS/Frameworks/
+Apple/iOS/Resources/Info.plist
+Apple/testbed/build
+Apple/testbed/Python.xcframework/*/bin
+Apple/testbed/Python.xcframework/*/include
+Apple/testbed/Python.xcframework/*/lib
+Apple/testbed/Python.xcframework/*/Python.framework
+Apple/testbed/*Testbed.xcodeproj/project.xcworkspace
+Apple/testbed/*Testbed.xcodeproj/xcuserdata
 Mac/Makefile
 Mac/PythonLauncher/Info.plist
 Mac/PythonLauncher/Makefile

.pre-commit-config.yaml

@@ -1,27 +1,31 @@
 repos:
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.12.8
+    rev: v0.13.2
     hooks:
-      - id: ruff
+      - id: ruff-check
         name: Run Ruff (lint) on Doc/
         args: [--exit-non-zero-on-fix]
         files: ^Doc/
-      - id: ruff
+      - id: ruff-check
         name: Run Ruff (lint) on Lib/test/
         args: [--exit-non-zero-on-fix]
         files: ^Lib/test/
-      - id: ruff
+      - id: ruff-check
         name: Run Ruff (lint) on Tools/build/
         args: [--exit-non-zero-on-fix, --config=Tools/build/.ruff.toml]
         files: ^Tools/build/
-      - id: ruff
+      - id: ruff-check
         name: Run Ruff (lint) on Tools/i18n/
         args: [--exit-non-zero-on-fix, --config=Tools/i18n/.ruff.toml]
         files: ^Tools/i18n/
-      - id: ruff
+      - id: ruff-check
         name: Run Ruff (lint) on Argument Clinic
         args: [--exit-non-zero-on-fix, --config=Tools/clinic/.ruff.toml]
         files: ^Tools/clinic/|Lib/test/test_clinic.py
+      - id: ruff-check
+        name: Run Ruff (lint) on Tools/peg_generator/
+        args: [--exit-non-zero-on-fix, --config=Tools/peg_generator/.ruff.toml]
+        files: ^Tools/peg_generator/
       - id: ruff-format
         name: Run Ruff (format) on Doc/
         args: [--check]
@@ -32,7 +36,7 @@ repos:
         files: ^Tools/build/check_warnings.py
 
   - repo: https://github.com/psf/black-pre-commit-mirror
-    rev: 25.1.0
+    rev: 25.9.0
     hooks:
       - id: black
         name: Run Black on Tools/jit/
@@ -43,7 +47,6 @@ repos:
     hooks:
       - id: remove-tabs
         types: [python]
-        exclude: ^Tools/c-analyzer/cpython/_parser.py
 
   - repo: https://github.com/pre-commit/pre-commit-hooks
     rev: v6.0.0
@@ -64,7 +67,7 @@ repos:
         files: '^\.github/CODEOWNERS|\.(gram)$'
 
   - repo: https://github.com/python-jsonschema/check-jsonschema
-    rev: 0.33.2
+    rev: 0.34.0
     hooks:
       - id: check-dependabot
       - id: check-github-workflows
@@ -76,7 +79,7 @@ repos:
       - id: actionlint
 
   - repo: https://github.com/woodruffw/zizmor-pre-commit
-    rev: v1.11.0
+    rev: v1.14.1
     hooks:
       - id: zizmor
 

Android/android.py

@@ -737,12 +737,10 @@ def ci(context):
             # Prove the package is self-contained by using it to run the tests.
             shutil.unpack_archive(package_path, temp_dir)
 
-            # Arguments are similar to --fast-ci, but in single-process mode.
+            # Randomization is disabled because order-dependent failures are
+            # much less likely to pass on a rerun in single-process mode.
             launcher_args = ["--managed", "maxVersion", "-v"]
-            test_args = [
-                "--single-process", "--fail-env-changed", "--rerun", "--slowest",
-                "--verbose3", "-u", "all,-cpu", "--timeout=600"
-            ]
+            test_args = ["--fast-ci", "--single-process", "--no-randomize"]
             run(
                 ["./android.py", "test", *launcher_args, "--", *test_args],
                 cwd=temp_dir