.travis.yml

# As written, this configuration will build your wheels on every
# commit, but will only push to PyPI on tagged commits.

language: python

jobs:
  include:
    # perform a linux build
    - services: docker
    # and a mac build
    - os: osx
      language: shell
    # and a windows build
    - os: windows
      language: shell
      before_install:
        - choco install python --version 3.8.0
        - export PATH="/c/Python38:/c/Python38/Scripts:$PATH"

env:
  global:
    # Skip building on Python 2.7 on all platforms
    - CIBW_SKIP="cp27-*"
    - TWINE_USERNAME=__token__
    # Note: TWINE_PASSWORD is set to a PyPI API token in Travis settings

install:
  - python -m pip install twine cibuildwheel==1.1.0

script:
  # build the wheels, put them into './wheelhouse'
  - python -m cibuildwheel --output-dir wheelhouse

after_success:
  # if the release was tagged, upload them to PyPI
  - |
    if [[ $TRAVIS_TAG ]]; then
      python -m twine upload wheelhouse/*.whl
    fi