.travis.yml

# Global Travis CI step definitions that will be used by all jobs unless
# explicitly overriden in the jobs.include matrix.

language: python
# NOTE: Apparently, Travis CI still hasn't strealined Python 3.7 support so
# one has to resort to using the "unofficial" Ubuntu Xenial Xerus (16.04 LTS)
# build environment and enable the "sudo" mode.
# More details here:
# - https://github.com/travis-ci/travis-ci/issues/9069#issuecomment-425720905
# - https://github.com/travis-ci/travis-ci/issues/9815
dist: xenial
python: "3.7"

install: pip install tox

script: tox -e $TOX_ENV

after_success:
 - pip install codecov
 - codecov -e TOX_ENV

 # Build stages.
jobs:
  include:
    - stage: test
      env: TOX_ENV=py36
      python: "3.6"
    - stage: test
      env: TOX_ENV=py37
    - stage: test
      env: TOX_ENV=py38
      python: "3.8"
    - stage: test
      env: TOX_ENV=docs
      after_success: skip
    - stage: test
      env: TOX_ENV=linters
      after_success: skip
    - stage: test
      env: TOX_ENV=packaging
      after_success: skip