.travis.yml

conditions: v1

dist: xenial
language: python
python:
- '3.7'
- '2.7'
- pypy3.5-6.0.0
- '3.6'
- '3.5'
- '3.4'
- pypy2.7-6.0.0

cache:
  pip: true
  directories:
  - $HOME/.cache/pre-commit
  - $HOME/.pre-commit
  - $HOME/Library/Caches/Homebrew

install:
- python -m pip.__main__ install cython tox

# build libyaml
- pushd /tmp
- set -e
- git clone https://github.com/yaml/libyaml.git -b "${LIBYAML_VERSION}" libyaml
- cd libyaml
- ./bootstrap
- ./configure
- make
- make test-all
- sudo make install
- set +e
- popd

before_script:
- sudo ldconfig

script:
- python -m tox.__main__

.mixtures:
- &osx_python
  if: type IN (api, cron) OR tag IS present
  os: osx
  osx_image: xcode9.4
  language: generic
  before_install:
  - brew install zlib readline
  - brew install https://raw.githubusercontent.com/Homebrew/homebrew-core/master/Formula/pyenv.rb || brew upgrade pyenv
  - &ensure_pyenv_preloaded eval "$(pyenv init -)"
  - &select_specific_python |
      if [[ ! "$TRAVIS_PYTHON_VERSION" =~ "dev" ]]
      then
        export TRAVIS_PYTHON_VERSION=$(\
          pyenv install --list | \
          grep -E '\s\s'"$TRAVIS_PYTHON_VERSION" | grep -vE 'dev|rc' | \
          tail -n 1 | tr -d '[:space:]'\
        )
      fi
  - &install_python |
      pyenv install --skip-existing --keep --verbose "$TRAVIS_PYTHON_VERSION" | \
      tee pyenv-install.log | tail -n 50
  - &switch_python pyenv shell "$TRAVIS_PYTHON_VERSION"
  - &python_version python --version
  after_failure:
  - cat pyenv-install.log
  before_script: []
  before_cache:
  - brew --cache

env:
  global:
    LIBYAML_VERSION: 0.2.2-pre1
    TOXENV: python
jobs:
  fast_finish: true
  allow_failures:
  - os: osx
    env:
      TRAVIS_PYTHON_VERSION: '2.6'
  - os: osx
    env:
      TRAVIS_PYTHON_VERSION: '2.7'
  - os: osx
    env:
      TRAVIS_PYTHON_VERSION: &pypy3-osx-version pypy3.6-7.0.0
  include:
  - python: '2.6'
    dist: trusty
  - <<: *osx_python
    env:
      TRAVIS_PYTHON_VERSION: '3.7'
    python: '3.7'
  - <<: *osx_python
    env:
      TRAVIS_PYTHON_VERSION: '2.7'
    python: '2.7'
  - <<: *osx_python
    env:
      TRAVIS_PYTHON_VERSION: *pypy3-osx-version
    python: *pypy3-osx-version
  - <<: *osx_python
    env:
      TRAVIS_PYTHON_VERSION: '3.6'
    python: '3.6'
  - <<: *osx_python
    env:
      TRAVIS_PYTHON_VERSION: '3.5'
    python: '3.5'
  - <<: *osx_python
    env:
      TRAVIS_PYTHON_VERSION: '3.4'
    python: '3.4'
  - <<: *osx_python
    env:
      TRAVIS_PYTHON_VERSION: '2.6'
    python: '2.6'


  # This placeholder can be extended to do actual upload of a dist to
  # PYPI, it will only appear if the current commit is tagged:
  - stage: Deploy to PYPI (placeholder)
    if: tag IS present
    install: []
    script: []
    deploy:
      provider: pypi
      skip-cleanup: true
      user: PLACEHOLDER
      password:
        secure: PLACEHOLDER