.travis.yml

language: python
dist: xenial
matrix:
    include:
        - python: 2.7
        - python: 3.5
        - python: 3.6
        - python: 3.7
        - python: 3.8-dev
        - name: "Linting"
          python: 3.7
          env: TARGET=lint-ci
          cache:
              directories:
                  - $HOME/.cache/pre-commit
    allow_failures:
        - python: 3.8-dev
before_install: pip install -U codecov
install:
    - if [[ $TRAVIS_PYTHON_VERSION == '2.7' ]]; then make build27; fi
    - if [[ $TRAVIS_PYTHON_VERSION == '3.5' ]]; then make build35; fi
    - if [[ $TRAVIS_PYTHON_VERSION == '3.6' ]]; then make build36; fi
    - if [[ $TRAVIS_PYTHON_VERSION == '3.7' ]]; then make build37; fi
    - if [[ $TRAVIS_PYTHON_VERSION == '3.8-dev' ]]; then make build38; fi
script: make "${TARGET:-test}"
after_success: codecov