language: python
python:
  - "2.7"
  - "3.4"
  - "3.5"
  - "3.6"
matrix:
  include:
    # Obtain Python 3.7 from xenial as per https://github.com/travis-ci/travis-ci/issues/9815
    - python: "3.7"
      dist: xenial
    - os: windows
      language: sh
      python: 3
      # Perform the manual steps on windows to install python3 and tox
      before_install:
        - choco install python3 --params "/InstallDir:C:\Python"
        - export PATH="/c/Python:/c/Python/Scripts:$PATH"
        - python -m pip install --upgrade pip
      before_script:
        - export TOXENV=py3-win
install:
  - pip install tox
before_script:
  - export TOXENV=$(echo py$TRAVIS_PYTHON_VERSION | tr -d .)
script:
  - tox