Tests

gh-141367: Use CALL_LIST_APPEND instruction only for lists, not for list subclasses #173126

Workflow file for this run

	name: Tests

	on:
	workflow_dispatch:
	push:
	branches:
	- 'main'
	- '3.*'
	pull_request:
	branches:
	- 'main'
	- '3.*'

	permissions:
	contents: read

	concurrency:
	# https://docs.github.com/en/actions/writing-workflows/workflow-syntax-for-github-actions#concurrency
	# 'group' must be a key uniquely representing a PR or push event.
	# github.workflow is the workflow name
	# github.actor is the user invoking the workflow
	# github.head_ref is the source branch of the PR or otherwise blank
	# github.run_id is a unique number for the current run
	group: ${{ github.workflow }}-${{ github.actor }}-${{ github.head_ref \|\| github.run_id }}
	cancel-in-progress: true

	env:
	FORCE_COLOR: 1

	jobs:
	build-context:
	name: Change detection
	# To use boolean outputs from this job, parse them as JSON.
	# Here's some examples:
	#
	# if: fromJSON(needs.build-context.outputs.run-docs)
	#
	# ${{
	# fromJSON(needs.build-context.outputs.run-tests)
	# && 'truthy-branch'
	# \|\| 'falsy-branch'
	# }}
	#
	uses: ./.github/workflows/reusable-context.yml

	check-docs:
	name: Docs
	needs: build-context
	if: fromJSON(needs.build-context.outputs.run-docs)
	uses: ./.github/workflows/reusable-docs.yml

	check-autoconf-regen:
	name: 'Check if Autoconf files are up to date'
	# Don't use ubuntu-latest but a specific version to make the job
	# reproducible: to get the same tools versions (autoconf, aclocal, ...)
	runs-on: ubuntu-24.04
	container:
	image: ghcr.io/python/autoconf:2025.01.02.12581854023
	timeout-minutes: 60
	needs: build-context
	if: needs.build-context.outputs.run-tests == 'true'
	steps:
	- name: Install Git
	run: \|
	apt update && apt install git -yq
	git config --global --add safe.directory "$GITHUB_WORKSPACE"
	- uses: actions/checkout@v4
	with:
	fetch-depth: 1
	persist-credentials: false
	- name: Check Autoconf and aclocal versions
	run: \|
	grep "Generated by GNU Autoconf 2.72" configure
	grep "aclocal 1.16.5" aclocal.m4
	grep -q "runstatedir" configure
	grep -q "PKG_PROG_PKG_CONFIG" aclocal.m4
	- name: Regenerate autoconf files
	# Same command used by Tools/build/regen-configure.sh ($AUTORECONF)
	run: autoreconf -ivf -Werror
	- name: Check for changes
	run: \|
	git add -u
	changes=$(git status --porcelain)
	# Check for changes in regenerated files
	if test -n "$changes"; then
	echo "Generated files not up to date."
	echo "Perhaps you forgot to run make regen-configure ;)"
	echo "configure files must be regenerated with a specific version of autoconf."
	echo "$changes"
	echo ""
	git diff --staged \|\| true
	exit 1
	fi

	check-generated-files:
	name: 'Check if generated files are up to date'
	# Don't use ubuntu-latest but a specific version to make the job
	# reproducible: to get the same tools versions (autoconf, aclocal, ...)
	runs-on: ubuntu-24.04
	timeout-minutes: 60
	needs: build-context
	if: needs.build-context.outputs.run-tests == 'true'
	steps:
	- uses: actions/checkout@v4
	with:
	persist-credentials: false
	- uses: actions/setup-python@v5
	with:
	python-version: '3.x'
	- name: Runner image version
	run: echo "IMAGE_OS_VERSION=${ImageOS}-${ImageVersion}" >> "$GITHUB_ENV"
	- name: Restore config.cache
	uses: actions/cache@v4
	with:
	path: config.cache
	# Include env.pythonLocation in key to avoid changes in environment when setup-python updates Python
	key: ${{ github.job }}-${{ env.IMAGE_OS_VERSION }}-${{ needs.build-context.outputs.config-hash }}-${{ env.pythonLocation }}
	- name: Install dependencies
	run: sudo ./.github/workflows/posix-deps-apt.sh
	- name: Add ccache to PATH
	run: echo "PATH=/usr/lib/ccache:$PATH" >> "$GITHUB_ENV"
	- name: Configure ccache action
	uses: hendrikmuhs/ccache-action@v1.2
	with:
	save: false
	- name: Configure CPython
	run: \|
	# Build Python with the libpython dynamic library
	./configure --config-cache --with-pydebug --enable-shared
	- name: Build CPython
	run: \|
	make -j4 regen-all
	make regen-stdlib-module-names regen-sbom
	- name: Check for changes
	run: \|
	git add -u
	changes=$(git status --porcelain)
	# Check for changes in regenerated files
	if test -n "$changes"; then
	echo "Generated files not up to date."
	echo "Perhaps you forgot to run make regen-all or build.bat --regen. ;)"
	echo "configure files must be regenerated with a specific version of autoconf."
	echo "$changes"
	echo ""
	git diff --staged \|\| true
	exit 1
	fi
	- name: Check exported libpython symbols
	run: make smelly
	- name: Check limited ABI symbols
	run: make check-limited-abi
	- name: Check for unsupported C global variables
	if: github.event_name == 'pull_request' # $GITHUB_EVENT_NAME
	run: make check-c-globals

	build-windows:
	name: >-
	Windows
	${{ fromJSON(matrix.free-threading) && '(free-threading)' \|\| '' }}
	needs: build-context
	if: fromJSON(needs.build-context.outputs.run-windows-tests)
	strategy:
	fail-fast: false
	matrix:
	arch:
	- x64
	- Win32
	- arm64
	free-threading:
	- false
	- true
	exclude:
	# Skip Win32 on free-threaded builds
	- { arch: Win32, free-threading: true }
	uses: ./.github/workflows/reusable-windows.yml
	with:
	arch: ${{ matrix.arch }}
	free-threading: ${{ matrix.free-threading }}

	build-windows-msi:
	# ${{ '' } is a hack to nest jobs under the same sidebar category.
	name: Windows MSI${{ '' }} # zizmor: ignore[obfuscation]
	needs: build-context
	if: fromJSON(needs.build-context.outputs.run-windows-msi)
	strategy:
	fail-fast: false
	matrix:
	arch:
	- x86
	- x64
	- arm64
	uses: ./.github/workflows/reusable-windows-msi.yml
	with:
	arch: ${{ matrix.arch }}

	build-macos:
	name: >-
	macOS
	${{ fromJSON(matrix.free-threading) && '(free-threading)' \|\| '' }}
	needs: build-context
	if: needs.build-context.outputs.run-tests == 'true'
	strategy:
	fail-fast: false
	matrix:
	# macos-14 is M1, macos-15-intel is Intel.
	# macos-15-intel only runs tests against the GIL-enabled CPython.
	os:
	- macos-14
	- macos-15-intel
	free-threading:
	- false
	- true
	exclude:
	- os: macos-15-intel
	free-threading: true
	uses: ./.github/workflows/reusable-macos.yml
	with:
	config_hash: ${{ needs.build-context.outputs.config-hash }}
	free-threading: ${{ matrix.free-threading }}
	os: ${{ matrix.os }}

	build-ubuntu:
	name: >-
	Ubuntu
	${{ fromJSON(matrix.free-threading) && '(free-threading)' \|\| '' }}
	${{ fromJSON(matrix.bolt) && '(bolt)' \|\| '' }}
	needs: build-context
	if: needs.build-context.outputs.run-tests == 'true'
	strategy:
	fail-fast: false
	matrix:
	bolt:
	- false
	- true
	free-threading:
	- false
	- true
	os:
	- ubuntu-24.04
	- ubuntu-24.04-arm
	exclude:
	# Do not test BOLT with free-threading, to conserve resources
	- bolt: true
	free-threading: true
	# BOLT currently crashes during instrumentation on aarch64
	- os: ubuntu-24.04-arm
	bolt: true
	uses: ./.github/workflows/reusable-ubuntu.yml
	with:
	config_hash: ${{ needs.build-context.outputs.config-hash }}
	bolt-optimizations: ${{ matrix.bolt }}
	free-threading: ${{ matrix.free-threading }}
	os: ${{ matrix.os }}

	build-ubuntu-ssltests-openssl:
	name: 'Ubuntu SSL tests with OpenSSL'
	runs-on: ${{ matrix.os }}
	timeout-minutes: 60
	needs: build-context
	if: needs.build-context.outputs.run-tests == 'true'
	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu-24.04]
	# Keep 1.1.1w in our list despite it being upstream EOL and otherwise
	# unsupported as it most resembles other 1.1.1-work-a-like ssl APIs
	# supported by important vendors such as AWS-LC.
	openssl_ver: [1.1.1w, 3.0.18, 3.2.6, 3.3.5, 3.4.3, 3.5.4]
	# See Tools/ssl/make_ssl_data.py for notes on adding a new version
	env:
	OPENSSL_VER: ${{ matrix.openssl_ver }}
	MULTISSL_DIR: ${{ github.workspace }}/multissl
	OPENSSL_DIR: ${{ github.workspace }}/multissl/openssl/${{ matrix.openssl_ver }}
	LD_LIBRARY_PATH: ${{ github.workspace }}/multissl/openssl/${{ matrix.openssl_ver }}/lib
	steps:
	- uses: actions/checkout@v4
	with:
	persist-credentials: false
	- name: Runner image version
	run: echo "IMAGE_OS_VERSION=${ImageOS}-${ImageVersion}" >> "$GITHUB_ENV"
	- name: Restore config.cache
	uses: actions/cache@v4
	with:
	path: config.cache
	key: ${{ github.job }}-${{ env.IMAGE_OS_VERSION }}-${{ needs.build-context.outputs.config-hash }}
	- name: Register gcc problem matcher
	run: echo "::add-matcher::.github/problem-matchers/gcc.json"
	- name: Install dependencies
	run: sudo ./.github/workflows/posix-deps-apt.sh
	- name: Configure OpenSSL env vars
	run: \|
	echo "MULTISSL_DIR=${GITHUB_WORKSPACE}/multissl" >> "$GITHUB_ENV"
	echo "OPENSSL_DIR=${GITHUB_WORKSPACE}/multissl/openssl/${OPENSSL_VER}" >> "$GITHUB_ENV"
	echo "LD_LIBRARY_PATH=${GITHUB_WORKSPACE}/multissl/openssl/${OPENSSL_VER}/lib" >> "$GITHUB_ENV"
	- name: 'Restore OpenSSL build'
	id: cache-openssl
	uses: actions/cache@v4
	with:
	path: ./multissl/openssl/${{ env.OPENSSL_VER }}
	key: ${{ matrix.os }}-multissl-openssl-${{ env.OPENSSL_VER }}
	- name: Install OpenSSL
	if: steps.cache-openssl.outputs.cache-hit != 'true'
	run: python3 Tools/ssl/multissltests.py --steps=library --base-directory "$MULTISSL_DIR" --openssl "$OPENSSL_VER" --system Linux
	- name: Add ccache to PATH
	run: \|
	echo "PATH=/usr/lib/ccache:$PATH" >> "$GITHUB_ENV"
	- name: Configure ccache action
	uses: hendrikmuhs/ccache-action@v1.2
	with:
	save: false
	- name: Configure CPython
	run: ./configure CFLAGS="-fdiagnostics-format=json" --config-cache --enable-slower-safety --with-pydebug --with-openssl="$OPENSSL_DIR"
	- name: Build CPython
	run: make -j4
	- name: Display build info
	run: make pythoninfo
	- name: SSL tests
	run: ./python Lib/test/ssltests.py

	build-ubuntu-ssltests-awslc:
	name: 'Ubuntu SSL tests with AWS-LC'
	runs-on: ${{ matrix.os }}
	timeout-minutes: 60
	needs: build-context
	if: needs.build-context.outputs.run-tests == 'true'
	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu-24.04]
	awslc_ver: [1.55.0]
	env:
	AWSLC_VER: ${{ matrix.awslc_ver}}
	MULTISSL_DIR: ${{ github.workspace }}/multissl
	OPENSSL_DIR: ${{ github.workspace }}/multissl/aws-lc/${{ matrix.awslc_ver }}
	LD_LIBRARY_PATH: ${{ github.workspace }}/multissl/aws-lc/${{ matrix.awslc_ver }}/lib
	steps:
	- uses: actions/checkout@v4
	with:
	persist-credentials: false
	- name: Runner image version
	run: echo "IMAGE_OS_VERSION=${ImageOS}-${ImageVersion}" >> "$GITHUB_ENV"
	- name: Restore config.cache
	uses: actions/cache@v4
	with:
	path: config.cache
	key: ${{ github.job }}-${{ env.IMAGE_OS_VERSION }}-${{ needs.build-context.outputs.config-hash }}
	- name: Register gcc problem matcher
	run: echo "::add-matcher::.github/problem-matchers/gcc.json"
	- name: Install dependencies
	run: sudo ./.github/workflows/posix-deps-apt.sh
	- name: Configure SSL lib env vars
	run: \|
	echo "MULTISSL_DIR=${GITHUB_WORKSPACE}/multissl" >> "$GITHUB_ENV"
	echo "OPENSSL_DIR=${GITHUB_WORKSPACE}/multissl/aws-lc/${AWSLC_VER}" >> "$GITHUB_ENV"
	echo "LD_LIBRARY_PATH=${GITHUB_WORKSPACE}/multissl/aws-lc/${AWSLC_VER}/lib" >> "$GITHUB_ENV"
	- name: 'Restore AWS-LC build'
	id: cache-aws-lc
	uses: actions/cache@v4
	with:
	path: ./multissl/aws-lc/${{ matrix.awslc_ver }}
	key: ${{ matrix.os }}-multissl-aws-lc-${{ matrix.awslc_ver }}
	- name: Install AWS-LC
	if: steps.cache-aws-lc.outputs.cache-hit != 'true'
	run: \|
	python3 Tools/ssl/multissltests.py \
	--steps=library \
	--base-directory "$MULTISSL_DIR" \
	--awslc ${{ matrix.awslc_ver }} \
	--system Linux
	- name: Add ccache to PATH
	run: \|
	echo "PATH=/usr/lib/ccache:$PATH" >> "$GITHUB_ENV"
	- name: Configure ccache action
	uses: hendrikmuhs/ccache-action@v1.2
	with:
	save: false
	- name: Configure CPython
	run: \|
	./configure CFLAGS="-fdiagnostics-format=json" \
	--config-cache \
	--enable-slower-safety \
	--with-pydebug \
	--with-openssl="$OPENSSL_DIR" \
	--with-builtin-hashlib-hashes=blake2 \
	--with-ssl-default-suites=openssl
	- name: Build CPython
	run: make -j
	- name: Display build info
	run: make pythoninfo
	- name: Verify python is linked to AWS-LC
	run: ./python -c 'import ssl; print(ssl.OPENSSL_VERSION)' \| grep AWS-LC
	- name: SSL tests
	run: ./python Lib/test/ssltests.py

	build-android:
	name: Android (${{ matrix.arch }})
	needs: build-context
	if: needs.build-context.outputs.run-tests == 'true'
	timeout-minutes: 60
	strategy:
	fail-fast: false
	matrix:
	include:
	- arch: aarch64
	runs-on: macos-14
	- arch: x86_64
	runs-on: ubuntu-24.04

	runs-on: ${{ matrix.runs-on }}
	steps:
	- uses: actions/checkout@v4
	with:
	persist-credentials: false
	- name: Build and test
	run: ./Android/android.py ci --fast-ci ${{ matrix.arch }}-linux-android

	build-ios:
	name: iOS
	needs: build-context
	if: needs.build-context.outputs.run-tests == 'true'
	timeout-minutes: 60
	runs-on: macos-15
	steps:
	- uses: actions/checkout@v4
	with:
	persist-credentials: false

	# GitHub recommends explicitly selecting the desired Xcode version:
	# https://github.com/actions/runner-images/issues/12541#issuecomment-3083850140
	# This became a necessity as a result of
	# https://github.com/actions/runner-images/issues/12541 and
	# https://github.com/actions/runner-images/issues/12751.
	- name: Select Xcode version
	run: \|
	sudo xcode-select --switch /Applications/Xcode_16.4.app

	- name: Build and test
	run: python3 Apple ci iOS --fast-ci --simulator 'iPhone 16e,OS=18.5'

	build-wasi:
	name: 'WASI'
	needs: build-context
	if: needs.build-context.outputs.run-tests == 'true'
	uses: ./.github/workflows/reusable-wasi.yml
	with:
	config_hash: ${{ needs.build-context.outputs.config-hash }}

	test-hypothesis:
	name: "Hypothesis tests on Ubuntu"
	runs-on: ubuntu-24.04
	timeout-minutes: 60
	needs: build-context
	if: needs.build-context.outputs.run-tests == 'true'
	env:
	OPENSSL_VER: 3.0.18
	PYTHONSTRICTEXTENSIONBUILD: 1
	steps:
	- uses: actions/checkout@v4
	with:
	persist-credentials: false
	- name: Register gcc problem matcher
	run: echo "::add-matcher::.github/problem-matchers/gcc.json"
	- name: Install dependencies
	run: sudo ./.github/workflows/posix-deps-apt.sh
	- name: Configure OpenSSL env vars
	run: \|
	echo "MULTISSL_DIR=${GITHUB_WORKSPACE}/multissl" >> "$GITHUB_ENV"
	echo "OPENSSL_DIR=${GITHUB_WORKSPACE}/multissl/openssl/${OPENSSL_VER}" >> "$GITHUB_ENV"
	echo "LD_LIBRARY_PATH=${GITHUB_WORKSPACE}/multissl/openssl/${OPENSSL_VER}/lib" >> "$GITHUB_ENV"
	- name: 'Restore OpenSSL build'
	id: cache-openssl
	uses: actions/cache@v4
	with:
	path: ./multissl/openssl/${{ env.OPENSSL_VER }}
	key: ${{ runner.os }}-multissl-openssl-${{ env.OPENSSL_VER }}
	- name: Install OpenSSL
	if: steps.cache-openssl.outputs.cache-hit != 'true'
	run: python3 Tools/ssl/multissltests.py --steps=library --base-directory "$MULTISSL_DIR" --openssl "$OPENSSL_VER" --system Linux
	- name: Add ccache to PATH
	run: \|
	echo "PATH=/usr/lib/ccache:$PATH" >> "$GITHUB_ENV"
	- name: Configure ccache action
	uses: hendrikmuhs/ccache-action@v1.2
	with:
	save: false
	- name: Setup directory envs for out-of-tree builds
	run: \|
	echo "CPYTHON_RO_SRCDIR=$(realpath -m "${GITHUB_WORKSPACE}"/../cpython-ro-srcdir)" >> "$GITHUB_ENV"
	echo "CPYTHON_BUILDDIR=$(realpath -m "${GITHUB_WORKSPACE}"/../cpython-builddir)" >> "$GITHUB_ENV"
	- name: Create directories for read-only out-of-tree builds
	run: mkdir -p "$CPYTHON_RO_SRCDIR" "$CPYTHON_BUILDDIR"
	- name: Bind mount sources read-only
	run: sudo mount --bind -o ro "$GITHUB_WORKSPACE" "$CPYTHON_RO_SRCDIR"
	- name: Runner image version
	run: echo "IMAGE_OS_VERSION=${ImageOS}-${ImageVersion}" >> "$GITHUB_ENV"
	- name: Restore config.cache
	uses: actions/cache@v4
	with:
	path: ${{ env.CPYTHON_BUILDDIR }}/config.cache
	key: ${{ github.job }}-${{ env.IMAGE_OS_VERSION }}-${{ needs.build-context.outputs.config-hash }}
	- name: Configure CPython out-of-tree
	working-directory: ${{ env.CPYTHON_BUILDDIR }}
	run: \|
	../cpython-ro-srcdir/configure \
	--config-cache \
	--with-pydebug \
	--enable-slower-safety \
	--with-openssl="$OPENSSL_DIR"
	- name: Build CPython out-of-tree
	working-directory: ${{ env.CPYTHON_BUILDDIR }}
	run: make -j4
	- name: Display build info
	working-directory: ${{ env.CPYTHON_BUILDDIR }}
	run: make pythoninfo
	- name: Remount sources writable for tests
	# some tests write to srcdir, lack of pyc files slows down testing
	run: sudo mount "$CPYTHON_RO_SRCDIR" -oremount,rw
	- name: Setup directory envs for out-of-tree builds
	run: \|
	echo "CPYTHON_BUILDDIR=$(realpath -m "${GITHUB_WORKSPACE}"/../cpython-builddir)" >> "$GITHUB_ENV"
	- name: "Create hypothesis venv"
	working-directory: ${{ env.CPYTHON_BUILDDIR }}
	run: \|
	VENV_LOC=$(realpath -m .)/hypovenv
	VENV_PYTHON=$VENV_LOC/bin/python
	echo "HYPOVENV=${VENV_LOC}" >> "$GITHUB_ENV"
	echo "VENV_PYTHON=${VENV_PYTHON}" >> "$GITHUB_ENV"
	./python -m venv "$VENV_LOC" && "$VENV_PYTHON" -m pip install -r "${GITHUB_WORKSPACE}/Tools/requirements-hypothesis.txt"
	- name: 'Restore Hypothesis database'
	id: cache-hypothesis-database
	uses: actions/cache@v4
	with:
	path: ${{ env.CPYTHON_BUILDDIR }}/.hypothesis/
	key: hypothesis-database-${{ github.head_ref \|\| github.run_id }}
	restore-keys: \|
	hypothesis-database-
	- name: "Run tests"
	working-directory: ${{ env.CPYTHON_BUILDDIR }}
	run: \|
	# Most of the excluded tests are slow test suites with no property tests
	#
	# (GH-104097) test_sysconfig is skipped because it has tests that are
	# failing when executed from inside a virtual environment.
	"${VENV_PYTHON}" -m test \
	-W \
	--slowest \
	-j4 \
	--timeout 900 \
	-x test_asyncio \
	-x test_multiprocessing_fork \
	-x test_multiprocessing_forkserver \
	-x test_multiprocessing_spawn \
	-x test_concurrent_futures \
	-x test_socket \
	-x test_subprocess \
	-x test_signal \
	-x test_sysconfig
	- uses: actions/upload-artifact@v4
	if: always()
	with:
	name: hypothesis-example-db
	path: ${{ env.CPYTHON_BUILDDIR }}/.hypothesis/examples/

	build-asan:
	name: 'Address sanitizer'
	runs-on: ${{ matrix.os }}
	timeout-minutes: 60
	needs: build-context
	if: needs.build-context.outputs.run-tests == 'true'
	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu-24.04]
	env:
	OPENSSL_VER: 3.0.18
	PYTHONSTRICTEXTENSIONBUILD: 1
	ASAN_OPTIONS: detect_leaks=0:allocator_may_return_null=1:handle_segv=0
	steps:
	- uses: actions/checkout@v4
	with:
	persist-credentials: false
	- name: Runner image version
	run: echo "IMAGE_OS_VERSION=${ImageOS}-${ImageVersion}" >> "$GITHUB_ENV"
	- name: Restore config.cache
	uses: actions/cache@v4
	with:
	path: config.cache
	key: ${{ github.job }}-${{ env.IMAGE_OS_VERSION }}-${{ needs.build-context.outputs.config-hash }}
	- name: Register gcc problem matcher
	run: echo "::add-matcher::.github/problem-matchers/gcc.json"
	- name: Install dependencies
	run: sudo ./.github/workflows/posix-deps-apt.sh
	- name: Set up GCC-10 for ASAN
	uses: egor-tensin/setup-gcc@v1
	with:
	version: 10
	- name: Configure OpenSSL env vars
	run: \|
	echo "MULTISSL_DIR=${GITHUB_WORKSPACE}/multissl" >> "$GITHUB_ENV"
	echo "OPENSSL_DIR=${GITHUB_WORKSPACE}/multissl/openssl/${OPENSSL_VER}" >> "$GITHUB_ENV"
	echo "LD_LIBRARY_PATH=${GITHUB_WORKSPACE}/multissl/openssl/${OPENSSL_VER}/lib" >> "$GITHUB_ENV"
	- name: 'Restore OpenSSL build'
	id: cache-openssl
	uses: actions/cache@v4
	with:
	path: ./multissl/openssl/${{ env.OPENSSL_VER }}
	key: ${{ matrix.os }}-multissl-openssl-${{ env.OPENSSL_VER }}
	- name: Install OpenSSL
	if: steps.cache-openssl.outputs.cache-hit != 'true'
	run: python3 Tools/ssl/multissltests.py --steps=library --base-directory "$MULTISSL_DIR" --openssl "$OPENSSL_VER" --system Linux
	- name: Add ccache to PATH
	run: \|
	echo "PATH=/usr/lib/ccache:$PATH" >> "$GITHUB_ENV"
	- name: Configure ccache action
	uses: hendrikmuhs/ccache-action@v1.2
	with:
	save: ${{ github.event_name == 'push' }}
	max-size: "200M"
	- name: Configure CPython
	run: ./configure --config-cache --with-address-sanitizer --without-pymalloc
	- name: Build CPython
	run: make -j4
	- name: Display build info
	run: make pythoninfo
	- name: Tests
	run: xvfb-run make ci

	build-san:
	# ${{ '' } is a hack to nest jobs under the same sidebar category.
	name: Sanitizers${{ '' }} # zizmor: ignore[obfuscation]
	needs: build-context
	if: needs.build-context.outputs.run-tests == 'true'
	strategy:
	fail-fast: false
	matrix:
	check-name:
	- Thread
	free-threading:
	- false
	- true
	sanitizer:
	- TSan
	include:
	- check-name: Undefined behavior
	sanitizer: UBSan
	free-threading: false
	uses: ./.github/workflows/reusable-san.yml
	with:
	sanitizer: ${{ matrix.sanitizer }}
	config_hash: ${{ needs.build-context.outputs.config-hash }}
	free-threading: ${{ matrix.free-threading }}

	cross-build-linux:
	name: Cross build Linux
	runs-on: ubuntu-latest
	timeout-minutes: 60
	needs: build-context
	if: needs.build-context.outputs.run-tests == 'true'
	steps:
	- uses: actions/checkout@v4
	with:
	persist-credentials: false
	- name: Runner image version
	run: echo "IMAGE_OS_VERSION=${ImageOS}-${ImageVersion}" >> "$GITHUB_ENV"
	- name: Restore config.cache
	uses: actions/cache@v4
	with:
	path: config.cache
	key: ${{ github.job }}-${{ env.IMAGE_OS_VERSION }}-${{ needs.build-context.outputs.config-hash }}
	- name: Register gcc problem matcher
	run: echo "::add-matcher::.github/problem-matchers/gcc.json"
	- name: Set build dir
	run:
	# an absolute path outside of the working directoy
	echo "BUILD_DIR=$(realpath ${{ github.workspace }}/../build)" >> "$GITHUB_ENV"
	- name: Install dependencies
	run: sudo ./.github/workflows/posix-deps-apt.sh
	- name: Configure host build
	run: ./configure --prefix="$BUILD_DIR/host-python"
	- name: Install host Python
	run: make -j8 install
	- name: Run test subset with host build
	run: \|
	"$BUILD_DIR/host-python/bin/python3" -m test test_sysconfig test_site test_embed
	- name: Configure cross build
	run: ./configure --prefix="$BUILD_DIR/cross-python" --with-build-python="$BUILD_DIR/host-python/bin/python3"
	- name: Install cross Python
	run: make -j8 install
	- name: Run test subset with host build
	run: \|
	"$BUILD_DIR/cross-python/bin/python3" -m test test_sysconfig test_site test_embed

	# CIFuzz job based on https://google.github.io/oss-fuzz/getting-started/continuous-integration/
	cifuzz:
	name: CIFuzz
	runs-on: ubuntu-latest
	timeout-minutes: 60
	needs: build-context
	if: needs.build-context.outputs.run-ci-fuzz == 'true'
	permissions:
	security-events: write
	strategy:
	fail-fast: false
	matrix:
	sanitizer: [address, undefined, memory]
	steps:
	- name: Build fuzzers (${{ matrix.sanitizer }})
	id: build
	uses: google/oss-fuzz/infra/cifuzz/actions/build_fuzzers@master
	with:
	oss-fuzz-project-name: cpython3
	sanitizer: ${{ matrix.sanitizer }}
	- name: Run fuzzers (${{ matrix.sanitizer }})
	uses: google/oss-fuzz/infra/cifuzz/actions/run_fuzzers@master
	with:
	fuzz-seconds: 600
	oss-fuzz-project-name: cpython3
	output-sarif: true
	sanitizer: ${{ matrix.sanitizer }}
	- name: Upload crash
	if: failure() && steps.build.outcome == 'success'
	uses: actions/upload-artifact@v4
	with:
	name: ${{ matrix.sanitizer }}-artifacts
	path: ./out/artifacts
	- name: Upload SARIF
	if: always() && steps.build.outcome == 'success'
	uses: github/codeql-action/upload-sarif@v3
	with:
	sarif_file: cifuzz-sarif/results.sarif
	checkout_path: cifuzz-sarif

	all-required-green: # This job does nothing and is only used for the branch protection
	name: All required checks pass
	runs-on: ubuntu-latest
	timeout-minutes: 5
	needs:
	- build-context # Transitive dependency, needed to access `run-tests` value
	- check-docs
	- check-autoconf-regen
	- check-generated-files
	- build-windows
	- build-windows-msi
	- build-macos
	- build-ubuntu
	- build-ubuntu-ssltests-awslc
	- build-ubuntu-ssltests-openssl
	- build-android
	- build-ios
	- build-wasi
	- test-hypothesis
	- build-asan
	- build-san
	- cross-build-linux
	- cifuzz
	if: always()

	steps:
	- name: Check whether the needed jobs succeeded or failed
	uses: re-actors/alls-green@05ac9388f0aebcb5727afa17fcccfecd6f8ec5fe
	with:
	allowed-failures: >-
	build-windows-msi,
	build-ubuntu-ssltests-awslc,
	build-ubuntu-ssltests-openssl,
	test-hypothesis,
	cifuzz,
	allowed-skips: >-
	${{
	!fromJSON(needs.build-context.outputs.run-docs)
	&& '
	check-docs,
	'
	\|\| ''
	}}
	${{
	needs.build-context.outputs.run-tests != 'true'
	&& '
	check-autoconf-regen,
	check-generated-files,
	build-macos,
	build-ubuntu,
	build-ubuntu-ssltests-awslc,
	build-ubuntu-ssltests-openssl,
	build-android,
	build-ios,
	build-wasi,
	test-hypothesis,
	build-asan,
	build-san,
	cross-build-linux,
	'
	\|\| ''
	}}
	${{
	!fromJSON(needs.build-context.outputs.run-windows-tests)
	&& '
	build-windows,
	'
	\|\| ''
	}}
	${{
	!fromJSON(needs.build-context.outputs.run-ci-fuzz)
	&& '
	cifuzz,
	'
	\|\| ''
	}}
	jobs: ${{ toJSON(needs) }}

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gh-141367: Use CALL_LIST_APPEND instruction only for lists, not for list subclasses #173126

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gh-141367: Use CALL_LIST_APPEND instruction only for lists, not for list subclasses #173126

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