main.yml

name: CI

on:
  push:
    branches:
      - '*'
    tags:
      - 'v*.*.*'

jobs:
  manylinux_build:
    # build wheels for some linux
    name: Build linux ${{ matrix.python.name }} wheel on ${{ matrix.cont.name}}
    runs-on: ubuntu-latest
    env:
      ACTIONS_ALLOW_USE_UNSECURE_NODE_VERSION: true
    strategy:
      matrix:
        python:
          - {
            name: cp37,
            abi: cp37m,
            version: '3.7',
          }
          - {
            name: cp38,
            abi: cp38,
            version: '3.8',
          }
          - {
            name: cp39,
            abi: cp39,
            version: '3.9',
          }
          - {
            name: cp310,
            abi: cp310,
            version: '3.10',
          }
          - {
            name: cp311,
            abi: cp311,
            version: '3.11',
          }
          - {
            name: cp312,
            abi: cp312,
            version: '3.12',
          }
          - {
            name: cp313,
            abi: cp313,
            version: '3.13',
          }

        cont:
          - {
            name: manylinux_2_28_x86_64, 
            val: quay.io/pypa/manylinux_2_28_x86_64,
            arch: amd64
          }
          # - {
          #   name: manylinux2014_aarch64, 
          #   val: quay.io/pypa/manylinux2014_aarch64,
          #   arch: arm64
          # }

    container: 
      image: ${{matrix.cont.val}}
      # does not work if not manylinux2014_x86_64...
      # does not work if not manylinux_2_28_x86_64...

    steps:
      # - name: Set up QEMU
      #   if: matrix.cont.name == 'manylinux2014_aarch64'
      #   uses: docker/setup-qemu-action@v2
      #   with:
      #     platforms: arm64

      - name: Checkout sources
        uses: actions/checkout@v4
        with:
          submodules: true

      - name: Setup path
        run: echo "/opt/python/${{ matrix.python.name }}-${{ matrix.python.abi }}/bin/" >> $GITHUB_PATH

      - name: get python version
        run: |
          python3 --version

      - name: Install Python dependencies
        run: |
          python3 -m pip install --upgrade pip
          python3 -m pip install -r requirements_compile.txt
          python3 -m pip freeze

      - name: Compile SuiteSparse
        run: 
          make

      - name: Build lightsim2grid wheel
        run: |
          # export __O3_OPTIM=1
          python3 setup.py bdist_wheel
          auditwheel repair dist/*.whl

      - name: Build source archive
        if: matrix.python.name == 'cp312'
        run: python3 setup.py sdist

      - name: Install lightsim2grid wheel
        run: |
          python3 -m pip install wheelhouse/*.whl --user
          python3 -m pip freeze

      - name: Check package can be imported (bare install, default numpy)
        run: |
          mkdir tmp_for_import_checking
          cd tmp_for_import_checking
          python3 -c "import lightsim2grid"
          python3 -c "from lightsim2grid import *"
          python3 -c "from lightsim2grid.newtonpf import newtonpf"
          python3 -c "from lightsim2grid.timeSerie import TimeSeriesCPP"
          python3 -c "from lightsim2grid.contingencyAnalysis import ContingencyAnalysisCPP"
          python3 -c "from lightsim2grid.securityAnalysis import SecurityAnalysisCPP"
          python3 -c "from lightsim2grid.gridmodel import GridModel"

      - name: Check package can be imported (bare install, numpy < 2)
        if: matrix.python.name != 'cp37' && matrix.python.name != 'cp38' && matrix.python.name != 'cp313'
        run: |
          python3 -m pip install "numpy<2"
          cd tmp_for_import_checking
          python3 -c "import lightsim2grid"
          python3 -c "from lightsim2grid import *"
          python3 -c "from lightsim2grid.newtonpf import newtonpf"
          python3 -c "from lightsim2grid.timeSerie import TimeSeriesCPP"
          python3 -c "from lightsim2grid.contingencyAnalysis import ContingencyAnalysisCPP"
          python3 -c "from lightsim2grid.securityAnalysis import SecurityAnalysisCPP"
          python3 -c "from lightsim2grid.gridmodel import GridModel"
      
      - name: Fix urllib3 (python 3.7)
        if: matrix.python.name == 'cp37'
        run:
          pip install urllib3==1.26.6
          # otherwise urllib3 v2.0 only supports OpenSSL 1.1.1+, currently the 'ssl' module is compiled with 'OpenSSL 1.0.2k-fips  26 Jan 2017'

      - name: Install grid2op
        if: matrix.python.name != 'cp313' # pandapower does not support 3.13, so grid2op does not so I cannot test that for 3.13
        run: | 
          python3 -m pip install grid2op pandapower
          python3 -m pip freeze

      - name: Check extra can be imported can be imported (with grid2op)
        if: matrix.python.name != 'cp313' # pandapower does not support 3.13, so grid2op does not so I cannot test that for 3.13
        run: |
          cd tmp_for_import_checking
          python3 -v -c "from lightsim2grid import LightSimBackend"
          python3 -c "from lightsim2grid.timeSerie import TimeSerie"
          python3 -c "from lightsim2grid.contingencyAnalysis import ContingencyAnalysis"
          python3 -c "from lightsim2grid.physical_law_checker import PhysicalLawChecker"
          python3 -c "from lightsim2grid.securityAnalysis import SecurityAnalysis"
          python3 -c "from lightsim2grid.gridmodel import init_from_pandapower"
      
      - name: Check LightSimBackend can be used to create env
        if: matrix.python.name != 'cp313' # pandapower does not support 3.13, so grid2op does not so I cannot test that for 3.13
        run: |
          cd tmp_for_import_checking
          python3 -v -c "from lightsim2grid import LightSimBackend; import grid2op; env = grid2op.make('l2rpn_case14_sandbox', test=True, backend=LightSimBackend())"

      - name: Upload wheel
        uses: actions/upload-artifact@v4
        with:
          name: lightsim2grid-wheel-linux-${{ matrix.python.name }}-${{ matrix.cont.name }}
          path: wheelhouse/*.whl

      - name: Upload source archive
        uses: actions/upload-artifact@v4
        if: matrix.python.name == 'cp312'
        with:
          name: lightsim2grid-sources
          path: dist/*.tar.gz

  windows_build:
    # build wheels for windows
    name: Build windows ${{ matrix.python.name }} wheel for ${{ matrix.win_arch.msvc}}
    runs-on: windows-2019
    strategy:
      matrix:
        python:
          - {
            name: cp37,
            version: '3.7',
          }
          - {
            name: cp38,
            version: '3.8',
          }
          - {
            name: cp39,
            version: '3.9',
          }
          - {
            name: cp310,
            version: '3.10',
          }
          - {
            name: cp311,
            version: '3.11',
          }
          - {
            name: cp312,
            version: '3.12',
          }
          - {
            name: cp313,
            version: '3.13',
          }
        win_arch:
          - {
            name: "AMD64",
            msvc: x64
          }
          # - {
          #   name: "x86",
          #   msvc: x86
          # }
    env:
      RUNNER_OS: windows-2019
      PYTHON_VERSION: ${{ matrix.python.version }}

    steps:

      - name: Checkout sources
        uses: actions/checkout@v4
        with:
          submodules: true

      - name: Setup Python ${{ matrix.python.version }} ${{ matrix.win_arch.msvc}}
        uses: actions/setup-python@v5
        with:
          python-version: ${{ matrix.python.version }}
          architecture: ${{ matrix.win_arch.msvc}}

      - name: Setup MSVC ${{ matrix.win_arch.msvc}}
        uses: bus1/cabuild/action/msdevshell@e22aba57d6e74891d059d66501b6b5aed8123c4d # v1
        with:
          architecture: ${{ matrix.win_arch.msvc}}

      - name: Install Python dependencies
        run: |
          python -m pip install --upgrade pip
          python -m pip install --upgrade setuptools
          python -m pip install -r requirements_compile.txt

      - name: Compile SuiteSparse cmake
        run: |
          cd build_cmake
          python generate_c_files.py
          mkdir build
          cd build
          cmake -DCMAKE_INSTALL_PREFIX=..\built -DCMAKE_BUILD_TYPE=Release ..
          cmake --build . --config Release
          cmake --install . --prefix ..\built
          cd ..
          cd ..
          set __O3_OPTIM=1
          python setup.py build

      - name: Build wheel
        run: python setup.py bdist_wheel

      - name: Install wheel
        shell: bash
        run: python -m pip install dist/*.whl --user

      - name: Check package can be imported (bare install, default numpy)
        run: |
          mkdir tmp_for_import_checking
          cd tmp_for_import_checking
          python3 -c "import lightsim2grid"
          python3 -c "from lightsim2grid import *"
          python3 -c "from lightsim2grid.newtonpf import newtonpf"
          python3 -c "from lightsim2grid.timeSerie import TimeSeriesCPP"
          python3 -c "from lightsim2grid.contingencyAnalysis import ContingencyAnalysisCPP"
          python3 -c "from lightsim2grid.securityAnalysis import SecurityAnalysisCPP"
          python3 -c "from lightsim2grid.gridmodel import GridModel"

      - name: Check package can be imported (bare install, numpy < 2)
        if: matrix.python.name != 'cp37' && matrix.python.name != 'cp38' && matrix.python.name != 'cp313'
        run: |
          python3 -m pip install "numpy<2"
          cd tmp_for_import_checking
          python3 -c "import lightsim2grid"
          python3 -c "from lightsim2grid import *"
          python3 -c "from lightsim2grid.newtonpf import newtonpf"
          python3 -c "from lightsim2grid.timeSerie import TimeSeriesCPP"
          python3 -c "from lightsim2grid.contingencyAnalysis import ContingencyAnalysisCPP"
          python3 -c "from lightsim2grid.securityAnalysis import SecurityAnalysisCPP"
          python3 -c "from lightsim2grid.gridmodel import GridModel"

      - name: Check LightSimBackend can be imported (with grid2op)
        if: matrix.python.name != 'cp313' # pandapower does not support 3.13, so grid2op does not so I cannot test that for 3.13
        run: |
          python -m pip install grid2op
          cd tmp_for_import_checking
          python -c "from lightsim2grid import LightSimBackend"
          python -c "from lightsim2grid import LightSimBackend; import grid2op; env = grid2op.make('l2rpn_case14_sandbox', test=True, backend=LightSimBackend())"
          python -c "from lightsim2grid.timeSerie import TimeSerie"
          python -c "from lightsim2grid.contingencyAnalysis import ContingencyAnalysis"
          python -c "from lightsim2grid.physical_law_checker import PhysicalLawChecker"
          python -c "from lightsim2grid.securityAnalysis import SecurityAnalysis"
          python -c "from lightsim2grid.gridmodel import init_from_pandapower"
          
      - name: Check LightSimBackend can be used to create env
        if: matrix.python.name != 'cp313' # pandapower does not support 3.13, so grid2op does not so I cannot test that for 3.13
        run: |
          cd tmp_for_import_checking
          python3 -v -c "from lightsim2grid import LightSimBackend; import grid2op; env = grid2op.make('l2rpn_case14_sandbox', test=True, backend=LightSimBackend())"

      # - name: Debug windows CI
      #   run: |
      #     python -m unittest lightsim2grid.tests.test_n1contingencyrewards.TestN1ContingencyReward_Base.test_do_nothing

      - name: Upload wheel
        uses: actions/upload-artifact@v4
        with:
          name: lightsim2grid-wheel-win-${{ matrix.python.name }}-${{ matrix.win_arch.msvc}}
          path: dist/*.whl

  macos_build_37_:
    ## build wheel for python 3.7 and above for macos (only >= 3.10 for arm64 )
    name: Build darwin ${{ matrix.python.name }} wheel on ${{ matrix.runner.arch}}
    runs-on: ${{ matrix.runner.name }}
    strategy:
      matrix:
        python:
          - {
            name: cp37,
            version: '3.7',
          }
          - {
            name: cp38,
            version: '3.8',
          }
          - {
            name: cp39,
            version: '3.9',
          }
          - {
            name: cp310,
            version: '3.10',
          }
          - {
            name: cp311,
            version: '3.11',
          }
          - {
            name: cp312,
            version: '3.12',
          }
          - {
            name: cp313,
            version: '3.13',
          }
        runner:
          - {
            name: macos-13,
            arch: x86_64
          }
          - {
            name: macos-14,
            arch: arm64
          }
        exclude:
          - python:  # does not work
              name: cp37  
            runner:
              arch: arm64
          - python:  # does not work
              name: cp38  
            runner: 
              arch: arm64
          - python:  # does not work
              name: cp39
            runner:
              arch: arm64

    env:
      RUNNER_OS: ${{ matrix.runner.name }}
      PYTHON_VERSION: ${{ matrix.python.version }}

    steps:

      - name: Checkout sources
        uses: actions/checkout@v4
        with:
          submodules: true

      - name: Setup Python
        uses: actions/setup-python@v5
        with:
          python-version: ${{ matrix.python.version }}

      - name: Install Python dependencies
        run: |
          python -m pip install --upgrade pip
          python -m pip install --upgrade setuptools  # for python >= 3.12
          python -m pip install -r requirements_compile.txt

      - name: Compile SuiteSparse make
        run: |
          make
          export __O3_OPTIM=1
          python setup.py build

      - name: Build wheel (x86_64)
        if: matrix.runner.arch == 'x86_64'
        run: python setup.py bdist_wheel --plat-name=macosx_10_9_x86_64

      - name: Build wheel (arm64)
        if: matrix.runner.arch == 'arm64'
        run: python setup.py bdist_wheel --plat-name=macosx_11_0_arm64

      - name: Install wheel
        shell: bash
        run: |
          python -m pip install dist/*.whl --user
          python -m pip freeze

      - name: Check package can be imported (bare install, default numpy)
        run: |
          mkdir tmp_for_import_checking
          cd tmp_for_import_checking
          python3 -c "import lightsim2grid"
          python3 -c "from lightsim2grid import *"
          python3 -c "from lightsim2grid.newtonpf import newtonpf"
          python3 -c "from lightsim2grid.timeSerie import TimeSeriesCPP"
          python3 -c "from lightsim2grid.contingencyAnalysis import ContingencyAnalysisCPP"
          python3 -c "from lightsim2grid.securityAnalysis import SecurityAnalysisCPP"
          python3 -c "from lightsim2grid.gridmodel import GridModel"

      - name: Check package can be imported (bare install, numpy < 2)
        if: matrix.python.name != 'cp37' && matrix.python.name != 'cp38' && matrix.python.name != 'cp313'
        run: |
          python3 -m pip install "numpy<2"
          cd tmp_for_import_checking
          python3 -c "import lightsim2grid"
          python3 -c "from lightsim2grid import *"
          python3 -c "from lightsim2grid.newtonpf import newtonpf"
          python3 -c "from lightsim2grid.timeSerie import TimeSeriesCPP"
          python3 -c "from lightsim2grid.contingencyAnalysis import ContingencyAnalysisCPP"
          python3 -c "from lightsim2grid.securityAnalysis import SecurityAnalysisCPP"
          python3 -c "from lightsim2grid.gridmodel import GridModel"
      
      - name: Fix urllib3 (python 3.7)
        if: matrix.python.name == 'cp37'
        run:
          pip install urllib3==1.26.6
          # otherwise urllib3 v2.0 only supports OpenSSL 1.1.1+, currently the 'ssl' module is compiled with 'OpenSSL 1.0.2k-fips  26 Jan 2017'

      - name: Install grid2op
        if: matrix.python.name != 'cp313'  # pandapower does not support 3.13, so grid2op does not so I cannot test that for 3.13
        run: | 
          python -m pip install grid2op
          python -m pip freeze

      - name: Check extra can be imported can be imported (with grid2op)
        if: matrix.python.name != 'cp313' # pandapower does not support 3.13, so grid2op does not so I cannot test that for 3.13
        run: |
          cd tmp_for_import_checking
          python -v -c "from lightsim2grid import LightSimBackend"
          python -c "from lightsim2grid.timeSerie import TimeSerie"
          python -c "from lightsim2grid.contingencyAnalysis import ContingencyAnalysis"
          python -c "from lightsim2grid.physical_law_checker import PhysicalLawChecker"
          python -c "from lightsim2grid.securityAnalysis import SecurityAnalysis"
          python -c "from lightsim2grid.gridmodel import init_from_pandapower"
      
      - name: Check LightSimBackend can be used to create env
        if: matrix.python.name != 'cp313' # pandapower does not support 3.13, so grid2op does not so I cannot test that for 3.13
        run: |
          cd tmp_for_import_checking
          python -v -c "from lightsim2grid import LightSimBackend; import grid2op; env = grid2op.make('l2rpn_case14_sandbox', test=True, backend=LightSimBackend())"

      - name: Upload wheel
        uses: actions/upload-artifact@v4
        with:
          name: lightsim2grid-wheel-darwin-${{ matrix.python.name }}-${{ matrix.runner.arch}}
          path: dist/*.whl

  exotic_build:
    # build wheel using emulation for "exotic"things
    # see https://github.com/cvxpy/cvxpy/blob/master/.github/workflows/build.yml
    name: Build ${{ matrix.runner.name }} ${{ matrix.python.name }} wheel with cibuildwheel
    runs-on: ${{ matrix.runner.name }}
    strategy:
      matrix:
        runner:
          - {
            name: macos-14,  # host on arm64
            whl_nm: macos_arm64,
            cibuildwheel: macos
          }
          - {
            name: windows-2019,  # host on x86_64
            whl_nm: windows_arm64,
            cibuildwheel: windows
          }
          # - {
          #   name: ubuntu-latest,  # host on x86_64  # takes forever, like 20 mins x 2 at least
          #   whl_nm: linux_arm64,
          #   cibuildwheel: linux
          # }
        python:
          - {
            name: cp38,
            version: '3.8',
          }
          - {
            name: cp39,
            version: '3.9',
          }
          - {
            name: cp310,
            version: '3.10',
          }
          - {
            name: cp311,
            version: '3.11',
          }
          - {
            name: cp312,
            version: '3.12',
          }
          - {
            name: cp313,
            version: '3.13',
          }
        exclude:
          - python: 
              name: cp310  # because already done natively above
            runner:
              name: macos-14
          - python: 
              name: cp311  # because already done natively above
            runner:
              name: macos-14
          - python: 
              name: cp312  # because already done natively above
            runner:
              name: macos-14
          - python: 
              name: cp313  # because already done natively above
            runner:
              name: macos-14
          - python: 
              name: cp38  # does not work
            runner:
              name: windows-2019
    env:
      RUNNER_OS: ${{ matrix.runner.name }}
      PYTHON_VERSION: ${{ matrix.python.version }}

    steps:
      - name: Checkout sources
        uses: actions/checkout@v4
        with:
          submodules: true

      - name: Set up QEMU
        if: runner.os == 'Linux'
        uses: docker/setup-qemu-action@v3
        with:
          platforms: all

      - name: Compile with cibuildwheel
        uses: pypa/cibuildwheel@v2.22.0
        env:
          CIBW_PLATFORM: "${{ matrix.runner.cibuildwheel}}"
          CIBW_BUILD: "${{ matrix.python.name}}-*"
          CIBW_ARCHS_LINUX: aarch64 
          CIBW_ARCHS_MACOS: arm64 
          CIBW_ARCHS_WINDOWS: ARM64 
          CIBW_ENVIRONMENT: __O3_OPTIM=1
          CIBW_BEFORE_ALL: python -m pip install --upgrade setuptools wheel pybind11 pip && python -m pip install "numpy>=2; python_version >= '3.9'"  "numpy; python_version < '3.9'"
          CIBW_BEFORE_BUILD_MACOS: make clean && make CC=clang CXX=clang++  # no need to cross compile this because host is already arm64 based
          CIBW_BEFORE_BUILD_LINUX: make clean && make  # maybe we need to cross compile this (host x64) but maybe not (qemu) ?
          CIBW_BEFORE_BUILD_WINDOWS: > 
            cd build_cmake &&
            python generate_c_files.py &&
            mkdir build &&
            cd build  &&
            cmake -DCMAKE_INSTALL_PREFIX=..\built -DCMAKE_BUILD_TYPE=Release -DCMAKE_GENERATOR_PLATFORM=arm64 .. &&
            cmake --build . --config Release &&
            cmake --install . --prefix ..\built
          CIBW_TEST_REQUIRES: grid2op pandapower "numpy<2"
          CIBW_TEST_SKIP: "cp312-* *-macosx_arm64 *-win_arm64 cp313-*" # to silence warning "While arm64 wheels can be built on x86_64, they cannot be tested."
          CIBW_TEST_COMMAND: >
            python -c "import lightsim2grid" &&
            python -c "from lightsim2grid import *" &&
            python -c "from lightsim2grid.newtonpf import newtonpf" &&
            python -c "from lightsim2grid.timeSerie import TimeSeriesCPP, TimeSerie" &&
            python -c "from lightsim2grid.contingencyAnalysis import ContingencyAnalysisCPP, ContingencyAnalysis" &&
            python -c "from lightsim2grid.securityAnalysis import SecurityAnalysisCPP, SecurityAnalysis" &&
            python -c "from lightsim2grid.gridmodel import GridModel, init_from_pandapower" &&
            python -c "from lightsim2grid import LightSimBackend" &&
            python -c "from lightsim2grid.physical_law_checker import PhysicalLawChecker"
      - name: Upload wheel
        uses: actions/upload-artifact@v4
        with:
          name: lightsim2grid-wheel-exotic-${{ matrix.runner.whl_nm}}-${{ matrix.python.name }}
          path: ./wheelhouse/*.whl

  package:
    name: Package wheels
    runs-on: ubuntu-latest
    needs: [exotic_build, macos_build_37_, windows_build, manylinux_build]

    steps:
      - name: Download wheels
        uses: actions/download-artifact@v4
        with:
          path: download

      - name: Upload wheels
        uses: actions/upload-artifact@v4
        with:
          name: lightsim2grid-wheels
          path: |
            download/**/*.whl
            download/**/*.tar.gz