.travis.yml

language: python

#Note that this .trais.yml uses a second file to manage installation of dependencies
#and their locations - ".travis.pip.wheel".  Look there to manage the wheels.

python:
    - 2.6
    - 2.7
    - 3.2
    - 3.3
    # This is just for "egg_info".  All other builds are explicitly given in the matrix
env:
    - SETUP_CMD='egg_info' NUMPY_VERSION=1.7.1 OPTIONAL_DEPS=false
    # OPTIONAL_DEPS most importantly means scipy

matrix:
    include:
        # Check for sphinx doc build warnings - we do this first because it runs for a long time
        - python: 2.7
          env: SETUP_CMD='build_sphinx -w -n' NUMPY_VERSION=1.7.1 OPTIONAL_DEPS=true
               # OPTIONAL_DEPS needed because the plot_directive in sphinx needs them

        # try all python versions with the latest numpy
        - python: 2.6
          env: SETUP_CMD='test --parallel=8' NUMPY_VERSION=1.7.1 OPTIONAL_DEPS=false
        - python: 2.7
          env: SETUP_CMD='test --parallel=8' NUMPY_VERSION=1.7.1 OPTIONAL_DEPS=false
        # There is a bug in pytest-xdist that prevents it from working
        # on Python 3.x.  See
        # https://bitbucket.org/hpk42/pytest/issue/301/internal-error-during-test-collecting
        - python: 3.2
          env: SETUP_CMD='test' NUMPY_VERSION=1.7.1 OPTIONAL_DEPS=false
        - python: 3.3
          env: SETUP_CMD='test' NUMPY_VERSION=1.7.1 OPTIONAL_DEPS=false

        # now try do scipy on 2.7 and an appropriate 3.x build (with latest numpy)
        - python: 2.7
          env: SETUP_CMD='test --parallel=8' NUMPY_VERSION=1.7.1 OPTIONAL_DEPS=true LC_CTYPE=C.ascii
        - python: 3.2
          env: SETUP_CMD='test' NUMPY_VERSION=1.7.1 OPTIONAL_DEPS=true LC_CTYPE=C.ascii

        # try alternate numpy versions
        - python: 2.7
          env: NUMPY_VERSION=1.6.2 SETUP_CMD='test --parallel=8' OPTIONAL_DEPS=false
        - python: 3.2
          env: NUMPY_VERSION=1.6.2 SETUP_CMD='test --parallel=8' OPTIONAL_DEPS=false
        - python: 2.7
          env: NUMPY_VERSION=1.5.1 SETUP_CMD='test --parallel=8' OPTIONAL_DEPS=false


before_install:
    # use utf8 encoding.  Should be default, but this is insurance against future changes
    - export PYTHONIOENCODING=UTF8

    # install the pip that supports wheel
    # this particular commit is "known good".  Whenever pip 1.4 is released, we should switch to that
    - pip install -e git+https://github.com/pypa/pip@be0c47f7aae5bc840dc1ec6af9fcbb2ae7ec2354#egg=pip
    - pip install wheel

    # We do this to make sure we get dependencies so pip works below
    # Note that travis does *not* use python packages installed via apt - it does all the building in an isolated virtualenv
    - sudo apt-get update -qq
    - if [[ $SETUP_CMD != egg_info ]]; then sudo apt-get install -qq python-numpy cython libatlas-dev liblapack-dev gfortran; fi
    - if $OPTIONAL_DEPS; then sudo apt-get install -qq python-scipy libhdf5-serial-1.8.4 libhdf5-serial-dev; fi
    - if [[ $SETUP_CMD == build_sphinx* ]]; then sudo apt-get install -qq python-sphinx graphviz texlive-latex-extra dvipng python-matplotlib; fi


install:
    # these command run pip first trying a wheel, and then falling back on source build
    # see .travis.pip.wheel for details on how to map from package to wheel URL
    - if [[ $SETUP_CMD != egg_info ]]; then bash .travis.pip.wheel $TRAVIS_PYTHON_VERSION numpy $NUMPY_VERSION -q; fi
    - if [[ $SETUP_CMD != egg_info ]]; then bash .travis.pip.wheel $TRAVIS_PYTHON_VERSION Cython 0.18 -q; fi
    - if [[ $SETUP_CMD != egg_info ]]; then pip -q install pytest-xdist --use-mirrors; fi
    - if $OPTIONAL_DEPS; then bash .travis.pip.wheel $TRAVIS_PYTHON_VERSION scipy 0.12.0; fi
      # not doing -q in scipy because if we have to fall back on the source build it takes too long and travis times out without continuous output
    - if $OPTIONAL_DEPS; then bash .travis.pip.wheel $TRAVIS_PYTHON_VERSION h5py 2.1.3 -q; fi

    # build_sphinx needs sphinx and matplotlib (for plot_directive)
    - if [[ $SETUP_CMD == build_sphinx* ]]; then bash .travis.pip.wheel $TRAVIS_PYTHON_VERSION Sphinx 1.1.3 -q -p; fi
    - if [[ $SETUP_CMD == build_sphinx* ]]; then bash .travis.pip.wheel $TRAVIS_PYTHON_VERSION matplotlib 1.2.1 -q; fi
      # this matplotlib will *not* work with py 3.x, but our sphinx build is currently 2.7, so that's fine

script:
    - python setup.py $SETUP_CMD