.travis.yml

# make it explicit that we favor the new container-based travis workers
sudo: false

language: python

# Pre-install packages for the ubuntu distribution
cache:
  apt: true
  directories:
  - $HOME/.cache/pip
addons:
  apt:
    packages:
      # these only required by the DISTRIB="ubuntu" builds:
      - python-scipy
      - libatlas3gf-base
      - libatlas-dev
dist: trusty
env:
  global:
    # Directory where tests are run from
    - TEST_DIR=/tmp/sklearn
    - OMP_NUM_THREADS=4
    - OPENBLAS_NUM_THREADS=4
  matrix:
    # This environment tests that scikit-learn can be built against
    # versions of numpy, scipy with ATLAS that comes with Ubuntu Trusty 14.04
    - DISTRIB="ubuntu" PYTHON_VERSION="2.7" CYTHON_VERSION="0.23.4"
      COVERAGE=true
    # This environment tests the oldest supported anaconda env
    - DISTRIB="conda" PYTHON_VERSION="2.7" INSTALL_MKL="false"
      NUMPY_VERSION="1.8.2" SCIPY_VERSION="0.13.3" CYTHON_VERSION="0.23.4"
      COVERAGE=true
    # This environment tests the newest supported Anaconda release (4.3.1)
    # It also runs tests requiring Pandas.
    - DISTRIB="conda" PYTHON_VERSION="3.6" INSTALL_MKL="true"
      NUMPY_VERSION="1.11.2" SCIPY_VERSION="0.18.1" PANDAS_VERSION="0.19.2"
      CYTHON_VERSION="0.25.2" COVERAGE=true
    # This environment use pytest to run the tests. It uses the newest
    # supported Anaconda release (4.3.1). It also runs tests requiring Pandas.
    - USE_PYTEST="true" DISTRIB="conda" PYTHON_VERSION="3.6" INSTALL_MKL="true"
      NUMPY_VERSION="1.11.2" SCIPY_VERSION="0.18.1" PANDAS_VERSION="0.19.2"
      CYTHON_VERSION="0.25.2"
    # flake8 linting on diff wrt common ancestor with upstream/master
    - RUN_FLAKE8="true" SKIP_TESTS="true"
      DISTRIB="conda" PYTHON_VERSION="3.5" INSTALL_MKL="true"
      NUMPY_VERSION="1.10.4" SCIPY_VERSION="0.17.0" CYTHON_VERSION="0.23.4"


matrix:
  allow_failures:
    # allow_failures seems to be keyed on the python version
    # We are using this to allow failures for DISTRIB=scipy-dev-wheels
    - python: 3.5

  include:
    # This environment tests scikit-learn against numpy and scipy master
    # installed from their CI wheels in a virtualenv with the Python
    # interpreter provided by travis.
    -  python: 3.5
       env: DISTRIB="scipy-dev-wheels"

install: source build_tools/travis/install.sh
script: bash build_tools/travis/test_script.sh
after_success: source build_tools/travis/after_success.sh
notifications:
  webhooks:
    urls:
      - https://webhooks.gitter.im/e/4ffabb4df010b70cd624
    on_success: change  # options: [always|never|change] default: always
    on_failure: always  # options: [always|never|change] default: always
    on_start: never     # options: [always|never|change] default: always