branches:
  only:
    - master

skip_branch_with_pr: true

environment:
# websockets only works on Python >= 3.4.
  CIBW_SKIP: cp27-* cp33-*
  CIBW_TEST_COMMAND: python -W default -m unittest
  WEBSOCKETS_TESTS_TIMEOUT_FACTOR: 100

install:
# Ensure python is Python 3.
  - set PATH=C:\Python34;%PATH%
  - cmd: python -m pip install --upgrade cibuildwheel
# Create file '.cibuildwheel' so that extension build is not optional (c.f. setup.py).
  - cmd: touch .cibuildwheel

build_script:
  - cmd: python -m cibuildwheel --output-dir wheelhouse
# Upload to PyPI on tags
  - ps: >-
      if ($env:APPVEYOR_REPO_TAG -eq "true") {
        Invoke-Expression "python -m pip install twine"
        Invoke-Expression "python -m twine upload --skip-existing wheelhouse/*.whl"
      }