.travis.yml

# We deliberately don't use travis's language=python option because
# we install miniconda and use conda to get python. Additionally, 
# Travis's auto-install of python doesn't work on osx images (see
# https://github.com/travis-ci/travis-ci/issues/4729).
language: generic

os:
  - linux
  - osx

# get a more recent version of osx than the default image
osx_image: xcode8.3

sudo: false

env:
  - PYTHON_VERSION="2.7"
  - PYTHON_VERSION="3.5"
  - PYTHON_VERSION="3.6"

install:
  # Install conda
  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then
      wget https://repo.continuum.io/miniconda/Miniconda3-latest-MacOSX-x86_64.sh -O miniconda.sh;
    else
      wget https://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86_64.sh -O miniconda.sh;
    fi  
  - bash miniconda.sh -b -p $HOME/miniconda
  - export PATH="$HOME/miniconda/bin:$PATH"
  - conda config --set always_yes yes --set changeps1 no
  - conda update conda

  # Install dependencies
  - conda create -n test-environment python=$PYTHON_VERSION
  - source activate test-environment
  - conda install dask numba numpy pandas pillow toolz xarray datashape colorcet rasterio scikit-image param
  - conda install -c gbrener -c conda-forge xarray # remove this line when xarray >= 0.9.7
  # Optional dependencies, for testing only
  - conda install -c conda-forge pytest pytest-benchmark
  - conda install matplotlib
  # Dependencies for lint checking only
  - conda install jupyter flake8

  - python setup.py develop --no-deps
  - conda env export


script:
    # TODO: why different tests for python 2 vs 3?
    - if [[ $PYTHON_VERSION == '2.7' ]]; then py.test datashader/tests --doctest-modules --doctest-ignore-import-errors --verbose; else py.test datashader/tests --verbose; fi
    - flake8 --ignore E,W datashader examples
    # lint checking of example notebooks (ugly)
    - for NB in examples/*.ipynb; do sed -e 's/"[ ]*%/"#%/' "$NB" > "${NB}~"; done && jupyter nbconvert examples/*.ipynb~ --to script --output-dir examples/lint && flake8 --ignore=E,W examples/lint/*.py
    # benchmarks
    - py.test datashader/benchmarks

notifications:
  email: false