.travis.yml

language: python            # this works for Linux but is an error on macOS or Windows
matrix:
  include:
    - name: "Python 3.8 on Linux"
      python: 3.8           # this works for Linux but is ignored on macOS or Windows
    - name: "Python 3.7 on macOS"
      os: osx
      osx_image: xcode12.2  # Python 3.7.5 running on macOS 10.14.4
      language: shell       # 'language: python' is an error on Travis CI macOS
    - name: "Python 3.8 on Windows"
      os: windows
      language: shell       # 'language: python' is an error on Travis CI Windows
      before_install:
        - choco install python --version 3.8.0
        - python -m pip install --upgrade pip
      env: PATH=/c/Python38:/c/Python38/Scripts:$PATH
  allow_failures:
    - os: linux
install:
- pip3 install -f https://extras.wxpython.org/wxPython4/extras/linux/gtk3/ubuntu-16.04 wxPython
- pip3 install --upgrade wxPython
- pip3 install -r requirements.txt
# 'python' points to Python 2.7 on macOS but points to Python 3.7 on Linux and Windows
# 'python3' is a 'command not found' error on Windows but 'py' works on Windows only
script:
- if [ "$TRAVIS_OS_NAME" = "osx" ]; then sh bundledApps/MAKEFILE.sh ci ; fi
- if [ "$TRAVIS_OS_NAME" = "linux" ]; then bash ./bundledApps/MAKEFILE_linux.sh ci ; fi
- if [ "$TRAVIS_OS_NAME" = "windows" ]; then ./bundledApps/MAKEFILE.bat ; fi
# script: pytest