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czoidogithub-advanced-security[bot]
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Add cibuildwheel example (#30)
* add cibuildwheel example * Potential fix for code scanning alert no. 8: Workflow does not contain permissions Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com> * wip * wip * wip * wip * wip * fix * wip * use CONAN_PY_BUILD_PROFILE_AUTODETECT * wip * wip * wip * wip * wip * wip * wip * wip * wip * wip * wip * wip * wip * simplify * remove unused * wip * check with cmake require * minor changes * add version * wip * fix --------- Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>
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‎.github/workflows/cibw-example.yml‎

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name: Example – cibuildwheel + conan-py-build
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permissions:
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contents: read
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on:
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workflow_dispatch:
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push:
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branches: [main]
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pull_request:
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branches: [main]
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jobs:
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# Build conan-py-build wheel and upload as artifact for build-wheels jobs.
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backend-wheel:
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v4
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with:
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persist-credentials: false
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- uses: actions/setup-python@v5
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with:
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python-version: "3.12"
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- run: pip install build && python -m build --wheel --outdir backend-dist .
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- uses: actions/upload-artifact@v4
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with:
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name: conan-py-build-wheel
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path: backend-dist/*.whl
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build-wheels:
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needs: backend-wheel
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name: Build wheels on ${{ matrix.os }}
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runs-on: ${{ matrix.os }}
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strategy:
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fail-fast: false
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matrix:
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include:
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- os: ubuntu-latest
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arch: x86_64
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profile: linux-x86_64
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- os: ubuntu-24.04-arm
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arch: aarch64
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profile: linux-aarch64
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- os: macos-14
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arch: arm64
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profile: macos-arm64
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- os: macos-14
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arch: x86_64
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profile: macos-x86_64.jinja
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- os: windows-latest
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arch: AMD64
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profile: windows-x86_64
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env:
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CIBW_ARCHS_LINUX: ${{ matrix.arch }}
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CIBW_ARCHS_MACOS: ${{ matrix.arch }}
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CIBW_ARCHS_WINDOWS: ${{ matrix.arch }}
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CIBW_CONFIG_SETTINGS: "host-profile=./profiles/${{ matrix.profile }}"
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CIBW_BEFORE_BUILD: "pip install backend-dist/*.whl"
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CIBW_BUILD_VERBOSITY: 3
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steps:
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- uses: actions/checkout@v4
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with:
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persist-credentials: false
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- uses: actions/download-artifact@v4
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with:
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name: conan-py-build-wheel
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# CIBW_BEFORE_BUILD installs the backend from backend-dist/*.whl
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- name: Place backend wheel inside example project
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shell: bash
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run: |
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mkdir -p examples/cibw-example/backend-dist
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mv *.whl examples/cibw-example/backend-dist/
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ls -la examples/cibw-example/backend-dist/
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# On Linux, cibuildwheel runs in Docker and only gets files from the repo copy
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# (e.g. git archive), so backend-dist is not there. Mount it so before_build can pip install.
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- name: Set container engine to mount backend-dist (Linux only)
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if: runner.os == 'Linux'
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shell: bash
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run: |
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echo "CIBW_CONTAINER_ENGINE=docker; create_args: -v ${{ github.workspace }}/examples/cibw-example/backend-dist:/project/backend-dist" >> $GITHUB_ENV
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# Export cpython-portable to Conan cache so it's available for the build.
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- name: Export cpython-portable
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shell: bash
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run: |
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pip install conan
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conan profile detect --force
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for ver in 3.9.20 3.10.19 3.11.14 3.12.12 3.13.11; do
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conan export recipes/cpython --version=$ver
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done
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- name: Set CIBW_BEFORE_BUILD to absolute path (macOS and Windows)
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if: runner.os != 'Linux'
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shell: bash
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run: |
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whl=$(ls "${{ github.workspace }}/examples/cibw-example/backend-dist/"*.whl 2>/dev/null | head -1)
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echo "CIBW_BEFORE_BUILD=pip install $whl" >> $GITHUB_ENV
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- name: Build wheels
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uses: pypa/cibuildwheel@v3.4.0
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with:
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package-dir: examples/cibw-example
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output-dir: wheelhouse
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- uses: actions/upload-artifact@v4
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with:
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name: cibw-wheels-${{ matrix.os }}-${{ matrix.arch }}
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path: wheelhouse/*.whl

‎examples/cibw-example/.gitignore‎

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backend-dist/
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wheelhouse/
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*.whl
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conan-py-build.profile

‎examples/cibw-example/CMakeLists.txt‎

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cmake_minimum_required(VERSION 3.15)
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project(myadder_cibw LANGUAGES CXX)
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find_package(Python3 REQUIRED COMPONENTS Interpreter Development.Module)
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set(PYBIND11_FINDPYTHON ON)
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find_package(pybind11 CONFIG REQUIRED)
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find_package(fmt REQUIRED)
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pybind11_add_module(_core src/myadder.cpp)
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target_link_libraries(_core PRIVATE pybind11::module fmt::fmt)
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if(APPLE)
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set_target_properties(_core PROPERTIES LINK_FLAGS "-undefined dynamic_lookup")
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endif()
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install(TARGETS _core DESTINATION myadder_pybind11)

‎examples/cibw-example/README.md‎

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# Example: cibuildwheel + conan-py-build
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This example is based on **[basic-pybind11](../basic-pybind11/)** (pybind11 extension). It adds **cibuildwheel** to build wheels on multiple platforms.

‎examples/cibw-example/conanfile.py‎

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from conan import ConanFile
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from conan.tools.cmake import CMake, cmake_layout
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class MyadderCibwConan(ConanFile):
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name = "myadder-cibw"
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version = "0.1.0"
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settings = "os", "compiler", "build_type", "arch"
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generators = "CMakeToolchain", "CMakeDeps"
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def layout(self):
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cmake_layout(self)
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def requirements(self):
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self.requires("pybind11/3.0.1")
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self.requires("fmt/12.1.0")
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def build(self):
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cmake = CMake(self)
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cmake.configure()
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cmake.build()
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def package(self):
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cmake = CMake(self)
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cmake.install()

‎examples/cibw-example/profiles/linux-aarch64‎

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include(default)
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[settings]
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arch=armv8

‎examples/cibw-example/profiles/linux-x86_64‎

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include(default)
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[settings]
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arch=x86_64

‎examples/cibw-example/profiles/macos-arm64‎

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include(default)
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[settings]
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arch=armv8
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os.version=11.0

‎examples/cibw-example/profiles/macos-x86_64.jinja‎

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{% set py_ver = os.environ["CONAN_CPYTHON_VERSION"] %}
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{% set py_tag = "cp" + "".join(py_ver.split(".")[:2]) %}
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{% set cpython_ref = "cpython-portable/" + py_ver %}
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include(default)
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[settings]
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arch=x86_64
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os.version=11.0
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[tool_requires]
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cmake/[>3.29]
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&:{{ cpython_ref }}
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[buildenv]
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WHEEL_PYVER={{ py_tag }}
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WHEEL_ABI={{ py_tag }}
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WHEEL_ARCH=macosx_11_0_x86_64

‎examples/cibw-example/profiles/windows-x86_64‎

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include(default)
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[settings]
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arch=x86_64

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