.travis.yml

# https://travis-ci.org/peterbe/premailer

# This indicates to Travis that we will not use or need sudo
# so that we can benefit from and use the cache->directories
# directive.
sudo: no

language: python

cache: pip

# before_install:
#   # twine is necessary so that travis can deploy
#   - travis_retry pip install twine coveralls

install:
  - travis_retry pip install tox-travis
  # coveralls is unique to Travis. It's not something you run locally, like tox.
  - travis_retry pip install coveralls

# pypy is not installed on trusty-based containers by default.
# See https://github.com/travis-ci/travis-ci/issues/6865

matrix:
  include:
    - python: "3.6"
      env: TOX_ENV=lint
    - python: "2.7"
      env: TOX_ENV=py27
    - python: "3.4"
      env: TOX_ENV=py34
    - python: "3.5"
      env: TOX_ENV=py35
    - python: "3.6"
      env: TOX_ENV=py36
    # just using pypy2.7 does not work due to travis pypy packaging issues
    - python: "pypy2.7-5.10.0"
      env: TOX_ENV=pypy

script:
  - tox -e $TOX_ENV

branches:
  only:
    - master

after_success:
  # Report coverage results to coveralls.io
  - coveralls