Merge branch 'main' into ft_lzma

Author: kumaraditya303

.gitattributes

@@ -83,6 +83,7 @@ Include/opcode_ids.h                                generated
 Include/token.h                                     generated
 Lib/_opcode_metadata.py                             generated
 Lib/keyword.py                                      generated
+Lib/idlelib/help.html                               generated
 Lib/test/certdata/*.pem                             generated
 Lib/test/certdata/*.0                               generated
 Lib/test/levenshtein_examples.json                  generated

.github/workflows/jit.yml

@@ -68,7 +68,7 @@ jobs:
           - true
           - false
         llvm:
-          - 19
+          - 20
         include:
           - target: i686-pc-windows-msvc/msvc
             architecture: Win32
@@ -138,7 +138,7 @@ jobs:
       fail-fast: false
       matrix:
         llvm:
-          - 19
+          - 20
     steps:
       - uses: actions/checkout@v4
         with:
@@ -166,7 +166,7 @@ jobs:
       fail-fast: false
       matrix:
         llvm:
-          - 19
+          - 20
     steps:
       - uses: actions/checkout@v4
         with:
@@ -183,3 +183,27 @@ jobs:
       - name: Run tests without optimizations
         run: |
           PYTHON_UOPS_OPTIMIZE=0 ./python -m test --multiprocess 0 --timeout 4500 --verbose2 --verbose3
+
+  tail-call-jit:
+    name: JIT with tail calling interpreter
+    needs: interpreter
+    runs-on: ubuntu-24.04
+    timeout-minutes: 90
+    strategy:
+      fail-fast: false
+      matrix:
+        llvm:
+          - 20
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+      - uses: actions/setup-python@v5
+        with:
+          python-version: '3.11'
+      - name: Build with JIT and tailcall
+        run: |
+          sudo bash -c "$(wget -O - https://apt.llvm.org/llvm.sh)" ./llvm.sh ${{ matrix.llvm }}
+          export PATH="$(llvm-config-${{ matrix.llvm }} --bindir):$PATH"
+          CC=clang-${{ matrix.llvm }} ./configure --enable-experimental-jit --with-tail-call-interp --with-pydebug
+          make all --jobs 4

.github/workflows/reusable-wasi.yml

@@ -13,10 +13,10 @@ env:
 jobs:
   build-wasi-reusable:
     name: 'build and test'
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-24.04-arm
     timeout-minutes: 60
     env:
-      WASMTIME_VERSION: 38.0.2
+      WASMTIME_VERSION: 38.0.3
       WASI_SDK_VERSION: 25
       WASI_SDK_PATH: /opt/wasi-sdk
       CROSS_BUILD_PYTHON: cross-build/build
@@ -40,7 +40,7 @@ jobs:
       if: steps.cache-wasi-sdk.outputs.cache-hit != 'true'
       run: |
         mkdir "${WASI_SDK_PATH}" && \
-        curl -s -S --location "https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-${WASI_SDK_VERSION}/wasi-sdk-${WASI_SDK_VERSION}.0-x86_64-linux.tar.gz" | \
+        curl -s -S --location "https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-${WASI_SDK_VERSION}/wasi-sdk-${WASI_SDK_VERSION}.0-arm64-linux.tar.gz" | \
         tar --strip-components 1 --directory "${WASI_SDK_PATH}" --extract --gunzip
     - name: "Configure ccache action"
       uses: hendrikmuhs/[email protected]
@@ -60,24 +60,24 @@ jobs:
       with:
         path: ${{ env.CROSS_BUILD_PYTHON }}/config.cache
         # Include env.pythonLocation in key to avoid changes in environment when setup-python updates Python.
-        # Include the hash of `Tools/wasm/wasi.py` as it may change the environment variables.
+        # Include the hash of `Tools/wasm/wasi/__main__.py` as it may change the environment variables.
         # (Make sure to keep the key in sync with the other config.cache step below.)
-        key: ${{ github.job }}-${{ env.IMAGE_OS_VERSION }}-${{ env.WASI_SDK_VERSION }}-${{ env.WASMTIME_VERSION }}-${{ inputs.config_hash }}-${{ hashFiles('Tools/wasm/wasi.py') }}-${{ env.pythonLocation }}
+        key: ${{ github.job }}-${{ env.IMAGE_OS_VERSION }}-${{ env.WASI_SDK_VERSION }}-${{ env.WASMTIME_VERSION }}-${{ inputs.config_hash }}-${{ hashFiles('Tools/wasm/wasi/__main__.py') }}-${{ env.pythonLocation }}
     - name: "Configure build Python"
-      run: python3 Tools/wasm/wasi.py configure-build-python -- --config-cache --with-pydebug
+      run: python3 Tools/wasm/wasi configure-build-python -- --config-cache --with-pydebug
     - name: "Make build Python"
-      run: python3 Tools/wasm/wasi.py make-build-python
+      run: python3 Tools/wasm/wasi make-build-python
     - name: "Restore host config.cache"
       uses: actions/cache@v4
       with:
         path: ${{ env.CROSS_BUILD_WASI }}/config.cache
         # Should be kept in sync with the other config.cache step above.
-        key: ${{ github.job }}-${{ env.IMAGE_OS_VERSION }}-${{ env.WASI_SDK_VERSION }}-${{ env.WASMTIME_VERSION }}-${{ inputs.config_hash }}-${{ hashFiles('Tools/wasm/wasi.py') }}-${{ env.pythonLocation }}
+        key: ${{ github.job }}-${{ env.IMAGE_OS_VERSION }}-${{ env.WASI_SDK_VERSION }}-${{ env.WASMTIME_VERSION }}-${{ inputs.config_hash }}-${{ hashFiles('Tools/wasm/wasi/__main__.py') }}-${{ env.pythonLocation }}
     - name: "Configure host"
       # `--with-pydebug` inferred from configure-build-python
-      run: python3 Tools/wasm/wasi.py configure-host -- --config-cache
+      run: python3 Tools/wasm/wasi configure-host -- --config-cache
     - name: "Make host"
-      run: python3 Tools/wasm/wasi.py make-host
+      run: python3 Tools/wasm/wasi make-host
     - name: "Display build info"
       run: make --directory "${CROSS_BUILD_WASI}" pythoninfo
     - name: "Test"

Apple/__main__.py

@@ -507,7 +507,7 @@ def lib_non_platform_files(dirname, names):
 def create_xcframework(platform: str) -> str:
     """Build an XCframework from the component parts for the platform.
 
-    :return: The version number of the Python verion that was packaged.
+    :return: The version number of the Python version that was packaged.
     """
     package_path = CROSS_BUILD_DIR / platform
     try:

Apple/iOS/README.md

@@ -224,6 +224,17 @@ Once you have a built an XCframework, you can test that framework by running:
 
   $ python Apple test iOS
 
+This test will attempt to find an "SE-class" simulator (i.e., an iPhone SE, or
+iPhone 16e, or similar), and run the test suite on the most recent version of
+iOS that is available. You can specify a simulator using the `--simulator`
+command line argument, providing the name of the simulator (e.g., `--simulator
+'iPhone 16 Pro'`). You can also use this argument to control the OS version used
+for testing; `--simulator 'iPhone 16 Pro,OS=18.2'` would attempt to run the
+tests on an iPhone 16 Pro running iOS 18.2.
+
+If the test runner is executed on GitHub Actions, the `GITHUB_ACTIONS`
+environment variable will be exposed to the iOS process at runtime.
+
 ### Testing a single-architecture framework
 
 The `Apple/testbed` folder that contains an Xcode project that is able to run

Apple/testbed/TestbedTests/TestbedTests.m

@@ -35,6 +35,9 @@ - (void)testPython {
     setenv("NO_COLOR", "1", true);
     setenv("PYTHON_COLORS", "0", true);
 
+    if (getenv("GITHUB_ACTIONS")) {
+        NSLog(@"Running in a GitHub Actions environment");
+    }
     // Arguments to pass into the test suite runner.
     // argv[0] must identify the process; any subsequent arg
     // will be handled as if it were an argument to `python -m test`

Apple/testbed/__main__.py

@@ -1,5 +1,6 @@
 import argparse
 import json
+import os
 import re
 import shutil
 import subprocess
@@ -78,13 +79,21 @@ def xcode_test(location: Path, platform: str, simulator: str, verbose: bool):
         check=True,
     )
 
+    # Any environment variable prefixed with TEST_RUNNER_ is exposed into the
+    # test runner environment. There are some variables (like those identifying
+    # CI platforms) that can be useful to have access to.
+    test_env = os.environ.copy()
+    if "GITHUB_ACTIONS" in os.environ:
+        test_env["TEST_RUNNER_GITHUB_ACTIONS"] = os.environ["GITHUB_ACTIONS"]
+
     print("Running test project...")
     # Test execution *can't* be run -quiet; verbose mode
     # is how we see the output of the test output.
     process = subprocess.Popen(
         ["xcodebuild", "test-without-building"] + args,
         stdout=subprocess.PIPE,
         stderr=subprocess.STDOUT,
+        env=test_env,
     )
     while line := (process.stdout.readline()).decode(*DECODE_ARGS):
         # Strip the timestamp/process prefix from each log line

Doc/Makefile

@@ -241,7 +241,8 @@ dist-pdf:
 	# as otherwise the full latexmk process is run twice.
 	# ($$ is needed to escape the $; https://www.gnu.org/software/make/manual/make.html#Basics-of-Variable-References)
 	-sed -i 's/: all-$$(FMT)/:/' build/latex/Makefile
-	(cd build/latex; $(MAKE) clean && $(MAKE) --jobs=$$((`nproc`+1)) --output-sync LATEXMKOPTS='-quiet' all-pdf && $(MAKE) FMT=pdf zip bz2)
+	if [ -n "$(filter output-sync,$(value .FEATURES))" ]; then OUTPUTSYNC=--output-sync; else OUTPUTSYNC=; fi && \
+	(cd build/latex; $(MAKE) clean && $(MAKE) --jobs=$$((`getconf _NPROCESSORS_ONLN`+1)) $$OUTPUTSYNC LATEXMKOPTS='-quiet' all-pdf && $(MAKE) FMT=pdf zip bz2)
 	cp build/latex/docs-pdf.zip dist/python-$(DISTVERSION)-docs-pdf-a4.zip
 	cp build/latex/docs-pdf.tar.bz2 dist/python-$(DISTVERSION)-docs-pdf-a4.tar.bz2
 	@echo "Build finished and archived!"

Doc/c-api/capsule.rst

@@ -22,6 +22,12 @@ Refer to :ref:`using-capsules` for more information on using these objects.
    loaded modules.
 
 
+.. c:var:: PyTypeObject PyCapsule_Type
+
+   The type object corresponding to capsule objects. This is the same object
+   as :class:`types.CapsuleType` in the Python layer.
+
+
 .. c:type:: PyCapsule_Destructor
 
    The type of a destructor callback for a capsule.  Defined as::

Doc/c-api/cell.rst

@@ -7,7 +7,7 @@ Cell Objects
 
 "Cell" objects are used to implement variables referenced by multiple scopes.
 For each such variable, a cell object is created to store the value; the local
-variables of each stack frame that references the value contains a reference to
+variables of each stack frame that references the value contain a reference to
 the cells from outer scopes which also use that variable.  When the value is
 accessed, the value contained in the cell is used instead of the cell object
 itself.  This de-referencing of the cell object requires support from the