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maxbachmannmaxbachmann
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Cythonize original implementation
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‎.github/workflows/pythonbuild.yml‎

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name: Build
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on:
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push:
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pull_request:
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release:
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types:
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- published
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jobs:
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build_legacy:
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name: Build wheel for legacy Python versions
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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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os: [ubuntu-latest, windows-latest, macos-latest]
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env:
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CIBW_BUILD: cp27-* cp35-* pp27-*
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CIBW_BUILD_VERBOSITY: 3
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steps:
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- uses: actions/checkout@v2
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with:
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submodules: 'true'
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- name: Build wheels
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uses: pypa/[email protected]
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with:
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output-dir: wheelhouse
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- name: Upload wheels
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uses: actions/upload-artifact@v2
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with:
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path: ./wheelhouse/*.whl
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build_windows_27_legacy:
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name: Build wheel on windows-latest/auto/2.7
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runs-on: windows-latest
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steps:
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- uses: actions/checkout@v2
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with:
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submodules: 'true'
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- uses: ilammy/msvc-dev-cmd@v1
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- name: Build 64-bit wheel
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uses: pypa/[email protected]
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with:
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output-dir: wheelhouse
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env:
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CIBW_BUILD: cp27-win_amd64
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DISTUTILS_USE_SDK: 1
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CIBW_BUILD_VERBOSITY: 3
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MSSdk: 1
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- uses: ilammy/msvc-dev-cmd@v1
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with:
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arch: x86
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- name: Build 32-bit wheel
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uses: pypa/[email protected]
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with:
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output-dir: wheelhouse
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env:
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CIBW_BUILD: cp27-win32
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DISTUTILS_USE_SDK: 1
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CIBW_BUILD_VERBOSITY: 3
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MSSdk: 1
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- name: Upload wheels
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uses: actions/upload-artifact@v2
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with:
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path: ./wheelhouse/*.whl
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build_wheels:
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name: Build wheel on ${{ matrix.os }}/auto/${{matrix.python_tag}}
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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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python_tag: ["cp37-*", "cp38-*", "cp39-*"]
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os: [windows-latest, macos-latest]
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env:
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CIBW_BUILD: ${{matrix.python_tag}}
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CIBW_TEST_REQUIRES: pytest hypothesis pandas
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CIBW_TEST_COMMAND: pytest {package}/tests
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CIBW_BUILD_VERBOSITY: 3
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steps:
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- uses: actions/checkout@v2
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with:
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submodules: 'true'
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- name: Build wheels
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uses: pypa/[email protected]
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with:
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output-dir: wheelhouse
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- name: Upload wheels
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uses: actions/upload-artifact@v2
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with:
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path: ./wheelhouse/*.whl
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build_wheels_apple_silicon:
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name: Build wheel on macos-latest/universal2+arm64/${{matrix.python_tag}}
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runs-on: macos-latest
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strategy:
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fail-fast: false
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matrix:
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python_tag: ["cp38-*", "cp39-*"]
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env:
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CIBW_BUILD: ${{matrix.python_tag}}
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CIBW_ARCHS_MACOS: "universal2 arm64"
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CIBW_BUILD_VERBOSITY: 3
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steps:
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- uses: actions/checkout@v2
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with:
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submodules: 'true'
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- name: Build wheels
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uses: pypa/[email protected]
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with:
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output-dir: wheelhouse
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- name: Upload wheels
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uses: actions/upload-artifact@v2
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with:
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path: ./wheelhouse/*.whl
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build_wheels_manylinux:
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name: Build wheels on ubuntu-latest/${{matrix.arch}}/${{matrix.python_tag}}
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runs-on: ubuntu-latest
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strategy:
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fail-fast: false
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matrix:
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arch: [auto, aarch64, ppc64le, s390x]
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python_tag: [ "cp36-*", "cp37-*", "cp38-*", "cp39-*"]
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env:
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CIBW_ARCHS_LINUX: ${{matrix.arch}}
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CIBW_BUILD: ${{matrix.python_tag}}
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CIBW_TEST_SKIP: "*-manylinux_{aarch64,ppc64le,s390x}"
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CIBW_TEST_REQUIRES: pytest hypothesis pandas
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CIBW_TEST_COMMAND: pytest {package}/tests
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CIBW_BUILD_VERBOSITY: 3
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steps:
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- uses: actions/checkout@v2
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with:
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submodules: 'true'
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- uses: docker/setup-qemu-action@v1
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name: Set up QEMU
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- name: Build wheel
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uses: pypa/[email protected]
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with:
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output-dir: wheelhouse
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- name: Upload wheels
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uses: actions/upload-artifact@v2
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with:
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path: ./wheelhouse/*.whl
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build_wheels_pypy:
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name: Build wheel on ${{ matrix.os }}/auto/pp37-*
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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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# numpy ships no wheels for pypy on mac os
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os: [ubuntu-latest, windows-latest]
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env:
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CIBW_BUILD: "pp37-*"
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# activate tests when the fix for
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# https://foss.heptapod.net/pypy/pypy/-/issues/3413 is released
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CIBW_TEST_REQUIRES: pytest hypothesis pandas
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CIBW_TEST_COMMAND: pytest {package}/tests
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CIBW_BUILD_VERBOSITY: 3
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steps:
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- uses: actions/checkout@v2
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with:
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submodules: 'true'
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- name: Build wheels
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uses: pypa/[email protected]
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with:
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output-dir: wheelhouse
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- name: Upload wheels
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uses: actions/upload-artifact@v2
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with:
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path: ./wheelhouse/*.whl
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build_sdist:
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name: Build source distribution
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v2
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with:
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submodules: 'true'
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- uses: actions/setup-python@v2
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name: Install Python
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with:
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python-version: '3.7'
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- name: Build sdist
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run: |
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pip3 install build; python3 -m build --sdist
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# test whether tarball contains all files required for compiling
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pip3 install dist/cydifflib-*.tar.gz
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pip3 uninstall cydifflib --yes
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- uses: actions/upload-artifact@v2
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with:
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path: dist/*.tar.gz
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deploy-wheels:
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if: github.event_name == 'release' && github.event.action == 'published'
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needs: [build_legacy, build_windows_27_legacy, build_wheels, build_wheels_apple_silicon, build_wheels_manylinux, build_wheels_pypy, build_sdist]
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name: deploy wheels to pypi
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runs-on: ubuntu-18.04
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steps:
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- uses: actions/download-artifact@v2
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with:
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name: artifact
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path: dist
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- uses: pypa/gh-action-pypi-publish@master
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with:
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user: __token__
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password: ${{ secrets.pypi_password }}

‎setup.cfg‎

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[metadata]
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name = cydifflib
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version = 0.1.0
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url = https://github.com/maxbachmann/cydifflib
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author = Max Bachmann
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author_email = [email protected]
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description = Fast difflib reimplementation in Cython
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long_description = file: README.md
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long_description_content_type = text/markdown
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license = MIT
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license_file = LICENSE
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classifiers =
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Programming Language :: Python :: 2
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Programming Language :: Python :: 2.7
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Programming Language :: Python :: 3
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Programming Language :: Python :: 3.5
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Programming Language :: Python :: 3.6
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Programming Language :: Python :: 3.7
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Programming Language :: Python :: 3.8
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Programming Language :: Python :: 3.9
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License :: OSI Approved :: MIT License
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[options]
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zip_safe = False
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include_package_data = True
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package_dir=
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=src
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packages = find:
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python_requires = >=2.7
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[options.packages.find]
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where=src

‎setup.py‎

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from setuptools import setup, Extension
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from setuptools.command.build_ext import build_ext
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import sys
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class BuildExt(build_ext):
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"""A custom build extension for adding compiler-specific options."""
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c_opts = {
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'msvc': ['/EHsc', '/O2', '/W4', '/DNDEBUG'],
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'unix': ['-O3', '-std=c++11', '-Wextra', '-Wall', '-Wconversion', '-g0', '-DNDEBUG'],
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}
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l_opts = {
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'msvc': [],
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'unix': [],
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}
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if sys.platform == 'darwin':
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darwin_opts = ['-stdlib=libc++', '-mmacosx-version-min=10.9']
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c_opts['unix'] += darwin_opts
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l_opts['unix'] += darwin_opts
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def build_extensions(self):
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ct = self.compiler.compiler_type
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opts = self.c_opts.get(ct, [])
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link_opts = self.l_opts.get(ct, [])
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if ct == 'unix':
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opts.append('-DVERSION_INFO="%s"' % self.distribution.get_version())
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elif ct == 'msvc':
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opts.append('/DVERSION_INFO=\\"%s\\"' % self.distribution.get_version())
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for ext in self.extensions:
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ext.extra_compile_args += opts
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ext.extra_link_args += link_opts
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build_ext.build_extensions(self)
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ext_modules = [
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Extension(
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name='cydifflib',
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sources=['src/cydifflib.cpp'],
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language='c++',
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)
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]
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if __name__ == "__main__":
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setup(
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cmdclass={'build_ext': BuildExt},
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ext_modules = ext_modules
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)

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