python-package-conda.yml

name: Python Package using Conda

on: [push, pull_request]

jobs:
  build:
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]
        python-version: ["3.12", "3.13"]

    steps:
      - uses: actions/checkout@v4

      # 1) Install Conda (Miniforge) + activate an env
      - name: Set up Conda (Miniforge) + Python ${{ matrix.python-version }}
        uses: conda-incubator/setup-miniconda@v3
        with:
          miniforge-variant: Miniforge3
          miniforge-version: latest
          auto-update-conda: true
          activate-environment: ci
          python-version: ${{ matrix.python-version }}
          channels: conda-forge,defaults
          channel-priority: strict

      # Important: ensures "conda activate ci" applies to all run steps
      - name: Show conda info
        shell: bash -l {0}
        run: |
          conda info
          python --version
          which python || where python

      # 2) Install uv (so "uv pip ..." works)
      - name: Set up uv
        uses: astral-sh/setup-uv@v3

      # 3) Install dependencies
      - name: Install dependencies
        shell: bash -l {0}
        run: |
          conda install -y -c conda-forge glpk cartopy
          uv pip install --system -r requirements.lock
          pip install -e .
          pip install highspy

      - name: Lint with flake8
        shell: bash -l {0}
        run: |
          conda install -y flake8
          flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
          flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
      - name: Test with pytest
        shell: bash -l {0}
        run: |
          conda install -y pytest
          pytest -vv tests/test_run.py