Implement zero copy writes in `StreamWriter` #8151

Workflow file for this run

	name: CI

	on:
	merge_group:
	push:
	branches:
	- 'master'
	- '[0-9].[0-9]+' # matches to backport branches, e.g. 3.6
	tags: [ 'v*' ]
	pull_request:
	branches:
	- 'master'
	- '[0-9].[0-9]+'
	schedule:
	- cron: '0 6 * * *' # Daily 6AM UTC build

	concurrency:
	group: ${{ github.workflow }}-${{ github.event.pull_request.number \|\| github.sha }}
	cancel-in-progress: true

	env:
	COLOR: yes
	FORCE_COLOR: 1 # Request colored output from CLI tools supporting it
	MYPY_FORCE_COLOR: 1
	PY_COLORS: 1

	permissions: {}
	jobs:

	lint:
	permissions:
	contents: read # to fetch code (actions/checkout)

	name: Linter
	runs-on: ubuntu-latest
	timeout-minutes: 5
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	with:
	submodules: true
	- name: >-
	Verify that `requirements/runtime-deps.in`
	is in sync with `setup.cfg`
	run: \|
	set -eEuo pipefail
	make sync-direct-runtime-deps
	git diff --exit-code -- requirements/runtime-deps.in
	- name: Setup Python
	uses: actions/setup-python@v5
	with:
	python-version: 3.13
	- name: Cache PyPI
	uses: actions/[email protected]
	with:
	key: pip-lint-${{ hashFiles('requirements/*.txt') }}
	path: ~/.cache/pip
	restore-keys: \|
	pip-lint-
	- name: Update pip, wheel, setuptools, build, twine
	run: \|
	python -m pip install -U pip wheel setuptools build twine
	- name: Install dependencies
	run: \|
	python -m pip install -r requirements/lint.in -c requirements/lint.txt
	- name: Install self
	run: \|
	python -m pip install . -c requirements/runtime-deps.txt
	env:
	AIOHTTP_NO_EXTENSIONS: 1
	- name: Run mypy
	run: \|
	make mypy
	- name: Run slotscheck
	run: \|
	# Some extra requirements are needed to ensure all modules
	# can be scanned by slotscheck.
	pip install -r requirements/base.in -c requirements/base.txt
	slotscheck -v -m aiohttp
	- name: Install libenchant
	run: \|
	sudo apt install libenchant-2-dev
	- name: Install spell checker
	run: \|
	pip install -r requirements/doc-spelling.in -c requirements/doc-spelling.txt
	- name: Run docs spelling
	run: \|
	# towncrier --yes # uncomment me after publishing a release
	make doc-spelling
	- name: Build package
	run: \|
	python -m build
	env:
	AIOHTTP_NO_EXTENSIONS: 1
	- name: Run twine checker
	run: \|
	twine check --strict dist/*
	- name: Making sure that CONTRIBUTORS.txt remains sorted
	run: \|
	LC_ALL=C sort --check --ignore-case CONTRIBUTORS.txt

	gen_llhttp:
	permissions:
	contents: read # to fetch code (actions/checkout)

	name: Generate llhttp sources
	runs-on: ubuntu-latest
	timeout-minutes: 5
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	with:
	submodules: true
	- name: Cache llhttp generated files
	uses: actions/[email protected]
	id: cache
	with:
	key: llhttp-${{ hashFiles('vendor/llhttp/package.json', 'vendor/llhttp/src//') }}
	path: vendor/llhttp/build
	- name: Setup NodeJS
	if: steps.cache.outputs.cache-hit != 'true'
	uses: actions/setup-node@v4
	with:
	node-version: 18
	- name: Generate llhttp sources
	if: steps.cache.outputs.cache-hit != 'true'
	run: \|
	make generate-llhttp
	- name: Upload llhttp generated files
	uses: actions/upload-artifact@v3
	with:
	name: llhttp
	path: vendor/llhttp/build
	if-no-files-found: error

	test:
	permissions:
	contents: read # to fetch code (actions/checkout)

	name: Test
	needs: gen_llhttp
	strategy:
	matrix:
	pyver: [3.9, '3.10', '3.11', '3.12', '3.13']
	no-extensions: ['', 'Y']
	os: [ubuntu, macos, windows]
	experimental: [false]
	exclude:
	- os: macos
	no-extensions: 'Y'
	- os: windows
	no-extensions: 'Y'
	include:
	- pyver: pypy-3.9
	no-extensions: 'Y'
	os: ubuntu
	experimental: false
	- os: ubuntu
	pyver: "3.14"
	experimental: true
	no-extensions: 'Y'
	fail-fast: true
	runs-on: ${{ matrix.os }}-latest
	continue-on-error: ${{ matrix.experimental }}
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	with:
	submodules: true
	- name: Setup Python ${{ matrix.pyver }}
	id: python-install
	uses: actions/setup-python@v5
	with:
	allow-prereleases: true
	python-version: ${{ matrix.pyver }}
	- name: Get pip cache dir
	id: pip-cache
	run: \|
	echo "dir=$(pip cache dir)" >> "${GITHUB_OUTPUT}"
	shell: bash
	- name: Cache PyPI
	uses: actions/[email protected]
	with:
	key: pip-ci-${{ runner.os }}-${{ matrix.pyver }}-${{ matrix.no-extensions }}-${{ hashFiles('requirements/*.txt') }}
	path: ${{ steps.pip-cache.outputs.dir }}
	restore-keys: \|
	pip-ci-${{ runner.os }}-${{ matrix.pyver }}-${{ matrix.no-extensions }}-
	- name: Update pip, wheel, setuptools, build, twine
	run: \|
	python -m pip install -U pip wheel setuptools build twine
	- name: Install dependencies
	run: \|
	python -m pip install -r requirements/test.in -c requirements/test.txt
	- name: Restore llhttp generated files
	if: ${{ matrix.no-extensions == '' }}
	uses: actions/download-artifact@v3
	with:
	name: llhttp
	path: vendor/llhttp/build/
	- name: Cythonize
	if: ${{ matrix.no-extensions == '' }}
	run: \|
	make cythonize
	- name: Install self
	env:
	AIOHTTP_NO_EXTENSIONS: ${{ matrix.no-extensions }}
	run: python -m pip install -e .
	- name: Run unittests
	env:
	COLOR: yes
	AIOHTTP_NO_EXTENSIONS: ${{ matrix.no-extensions }}
	PIP_USER: 1
	run: >-
	PATH="${HOME}/Library/Python/3.11/bin:${HOME}/.local/bin:${PATH}"
	pytest --junitxml=junit.xml
	shell: bash
	- name: Re-run the failing tests with maximum verbosity
	if: failure()
	env:
	COLOR: yes
	AIOHTTP_NO_EXTENSIONS: ${{ matrix.no-extensions }}
	run: >- # `exit 1` makes sure that the job remains red with flaky runs
	pytest --no-cov --numprocesses=0 -vvvvv --lf && exit 1
	shell: bash
	- name: Run dev_mode tests
	env:
	COLOR: yes
	AIOHTTP_NO_EXTENSIONS: ${{ matrix.no-extensions }}
	PIP_USER: 1
	PYTHONDEVMODE: 1
	run: pytest -m dev_mode --cov-append --numprocesses=0
	shell: bash
	- name: Turn coverage into xml
	env:
	COLOR: 'yes'
	PIP_USER: 1
	run: \|
	python -m coverage xml
	- name: Upload coverage
	uses: codecov/codecov-action@v4
	with:
	file: ./coverage.xml
	flags: >-
	CI-GHA,OS-${{
	runner.os
	}},VM-${{
	matrix.os
	}},Py-${{
	steps.python-install.outputs.python-version
	}}
	token: ${{ secrets.CODECOV_TOKEN }}
	- name: Upload test results to Codecov
	if: ${{ !cancelled() }}
	uses: codecov/test-results-action@v1
	with:
	token: ${{ secrets.CODECOV_TOKEN }}

	benchmark:
	name: Benchmark
	needs: gen_llhttp

	runs-on: ubuntu-latest
	timeout-minutes: 5
	steps:
	- name: Checkout project
	uses: actions/checkout@v4
	with:
	submodules: true
	- name: Setup Python 3.12
	id: python-install
	uses: actions/setup-python@v5
	with:
	python-version: 3.12
	cache: pip
	cache-dependency-path: requirements/*.txt
	- name: Update pip, wheel, setuptools, build, twine
	run: \|
	python -m pip install -U pip wheel setuptools build twine
	- name: Install dependencies
	run: \|
	python -m pip install -r requirements/test.in -c requirements/test.txt
	- name: Restore llhttp generated files
	uses: actions/download-artifact@v3
	with:
	name: llhttp
	path: vendor/llhttp/build/
	- name: Cythonize
	run: \|
	make cythonize
	- name: Install self
	run: python -m pip install -e .
	- name: Run benchmarks
	uses: CodSpeedHQ/action@v3
	with:
	token: ${{ secrets.CODSPEED_TOKEN }}
	run: python -Im pytest --no-cov --numprocesses=0 -vvvvv --codspeed


	check: # This job does nothing and is only used for the branch protection
	if: always()

	needs:
	- lint
	- test

	runs-on: ubuntu-latest

	steps:
	- name: Decide whether the needed jobs succeeded or failed
	uses: re-actors/alls-green@release/v1
	with:
	jobs: ${{ toJSON(needs) }}

	pre-deploy:
	name: Pre-Deploy
	runs-on: ubuntu-latest
	needs: check
	# Run only on pushing a tag
	if: github.event_name == 'push' && contains(github.ref, 'refs/tags/')
	steps:
	- name: Dummy
	run: \|
	echo "Predeploy step"

	build-tarball:
	permissions:
	contents: read # to fetch code (actions/checkout)

	name: Tarball
	runs-on: ubuntu-latest
	needs: pre-deploy
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	with:
	submodules: true
	- name: Setup Python
	uses: actions/setup-python@v5
	- name: Update pip, wheel, setuptools, build, twine
	run: \|
	python -m pip install -U pip wheel setuptools build twine
	- name: Install cython
	run: >-
	python -m
	pip install -r requirements/cython.in -c requirements/cython.txt
	- name: Restore llhttp generated files
	uses: actions/download-artifact@v3
	with:
	name: llhttp
	path: vendor/llhttp/build/
	- name: Cythonize
	run: \|
	make cythonize
	- name: Make sdist
	run: \|
	python -m build --sdist
	- name: Upload artifacts
	uses: actions/upload-artifact@v3
	with:
	name: dist
	path: dist

	build-wheels:
	permissions:
	contents: read # to fetch code (actions/checkout)

	name: Build wheels on ${{ matrix.os }} ${{ matrix.qemu }}
	runs-on: ${{ matrix.os }}-latest
	needs: pre-deploy
	strategy:
	matrix:
	os: [ubuntu, windows, macos]
	qemu: ['']
	include:
	# Split ubuntu job for the sake of speed-up
	- os: ubuntu
	qemu: aarch64
	- os: ubuntu
	qemu: ppc64le
	- os: ubuntu
	qemu: s390x
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	with:
	submodules: true
	- name: Set up QEMU
	if: ${{ matrix.qemu }}
	uses: docker/setup-qemu-action@v3
	with:
	platforms: all
	id: qemu
	- name: Prepare emulation
	run: \|
	if [[ -n "${{ matrix.qemu }}" ]]; then
	# Build emulated architectures only if QEMU is set,
	# use default "auto" otherwise
	echo "CIBW_ARCHS_LINUX=${{ matrix.qemu }}" >> $GITHUB_ENV
	fi
	shell: bash
	- name: Setup Python
	uses: actions/setup-python@v5
	with:
	python-version: 3.x
	- name: Update pip, wheel, setuptools, build, twine
	run: \|
	python -m pip install -U pip wheel setuptools build twine
	- name: Install cython
	run: >-
	python -m
	pip install -r requirements/cython.in -c requirements/cython.txt
	- name: Restore llhttp generated files
	uses: actions/download-artifact@v3
	with:
	name: llhttp
	path: vendor/llhttp/build/
	- name: Cythonize
	run: \|
	make cythonize
	- name: Build wheels
	uses: pypa/[email protected]
	env:
	CIBW_ARCHS_MACOS: x86_64 arm64 universal2
	- uses: actions/upload-artifact@v3
	with:
	name: dist
	path: ./wheelhouse/*.whl

	deploy:
	name: Deploy
	needs: [build-tarball, build-wheels]
	runs-on: ubuntu-latest

	permissions:
	contents: write # IMPORTANT: mandatory for making GitHub Releases
	id-token: write # IMPORTANT: mandatory for trusted publishing & sigstore

	environment:
	name: pypi
	url: https://pypi.org/p/aiohttp

	steps:
	- name: Checkout
	uses: actions/checkout@v4
	with:
	submodules: true
	- name: Login
	run: \|
	echo "${{ secrets.GITHUB_TOKEN }}" \| gh auth login --with-token
	- name: Download distributions
	uses: actions/download-artifact@v3
	with:
	name: dist
	path: dist
	- name: Collected dists
	run: \|
	tree dist
	- name: Make Release
	uses: aio-libs/[email protected]
	with:
	changes_file: CHANGES.rst
	name: aiohttp
	version_file: aiohttp/__init__.py
	github_token: ${{ secrets.GITHUB_TOKEN }}
	dist_dir: dist
	fix_issue_regex: >-
	:issue:`(\d+)`
	fix_issue_repl: >-
	#\1

	- name: >-
	Publish 🐍📦 to PyPI
	uses: pypa/gh-action-pypi-publish@release/v1

	- name: Sign the dists with Sigstore
	uses: sigstore/[email protected]
	with:
	inputs: >-
	./dist/*.tar.gz
	./dist/*.whl

	- name: Upload artifact signatures to GitHub Release
	# Confusingly, this action also supports updating releases, not
	# just creating them. This is what we want here, since we've manually
	# created the release above.
	uses: softprops/action-gh-release@v2
	with:
	# dist/ contains the built packages, which smoketest-artifacts/
	# contains the signatures and certificates.
	files: dist/**

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Implement zero copy writes in `StreamWriter` #8151

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Implement zero copy writes in `StreamWriter` #8151

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Implement zero copy writes in StreamWriter #8151

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Workflow file for this run

Implement zero copy writes in `StreamWriter` #8151