.travis.yml

language: python

# Setting sudo to false opts in to Travis-CI container-based builds.
sudo: false

# The apt packages below are needed for sphinx builds, which can no longer
# be installed with sudo apt-get.
# (need g++ for iminuit install)
addons:
    apt:
        packages:
            - graphviz
            - texlive-latex-extra
            - dvipng
            - g++

python:
    - 2.6
    - 2.7
    - 3.3
    - 3.4
    # This is just for "egg_info".  All other builds are explicitly given in the matrix
env:
    global:
        # The following versions are the 'default' for tests, unless
        # overidden underneath. They are defined here in order to save having
        # to repeat them for all configurations.
        - NUMPY_VERSION=1.9
        - ASTROPY_VERSION=stable
        - CONDA_INSTALL='conda install -c astropy-ci-extras --yes'
        - PIP_INSTALL='pip install'
        - COVERAGE=N
        - PEP8=N
        - DOCS=N
        - DEPS=N
    matrix:
        - CMD='python setup.py egg_info'

matrix:
    include:

        # Do a coverage test in Python 2. 
        - python: 2.7
          env: CMD='python setup.py test --coverage' COVERAGE=Y DEPS=Y

        # Check for sphinx doc build warnings
        # Currently skipping until sphinx is updated. Also, astropy-helpers seems to have
        # problems installing with conda on travis, though it works locally.
        #- python: 2.7
        #  env: CMD='python setup.py install; cd docs; sphinx-build . _build/html -W' DOCS=Y DEPS=Y

        # Try Astropy development version
        - python: 2.7
          env: ASTROPY_VERSION=development CMD='python setup.py test' DEPS=Y
        - python: 3.4
          env: ASTROPY_VERSION=development CMD='python setup.py test' DEPS=Y

        # Try all python versions with the latest numpy
        - python: 2.6
          env: CMD='python setup.py test' DEPS=Y
        - python: 2.7
          env: CMD='python setup.py test' DEPS=Y
        - python: 3.3
          env: CMD='python setup.py test' DEPS=Y
        - python: 3.4
          env: CMD='python setup.py test' DEPS=Y

        # Try older numpy versions
        - python: 2.7
          env: NUMPY_VERSION=1.8 CMD='python setup.py test' DEPS=Y
        - python: 2.7
          env: NUMPY_VERSION=1.7 CMD='python setup.py test' DEPS=Y
        - python: 2.7
          env: NUMPY_VERSION=1.6 CMD='python setup.py test' DEPS=Y

        # pep8 checker
        - python: 2.7
          env: CMD='pep8 sncosmo --exclude=version.py' PEP8=Y

before_install:

    # Use utf8 encoding. Should be default, but this is insurance against
    # future changes
    - export PYTHONIOENCODING=UTF8
    - wget http://repo.continuum.io/miniconda/Miniconda-latest-Linux-x86_64.sh -O miniconda.sh
    - chmod +x miniconda.sh
    - ./miniconda.sh -b
    - export PATH=/home/travis/miniconda/bin:$PATH
    - conda update --yes conda

    # Make sure that interactive matplotlib backends work
    - export DISPLAY=:99.0
    - sh -e /etc/init.d/xvfb start

install:

    # CONDA
    - conda create --yes -n test -c astropy-ci-extras python=$TRAVIS_PYTHON_VERSION
    - source activate test

    # DEPENDENCIES
    # Leave the `numpy=$NUMPY_VERSION` in the `conda`
    # install since this ensures Numpy does not get automatically upgraded.
    - if [[ $DEPS == Y ]]; then $CONDA_INSTALL numpy=$NUMPY_VERSION pytest pip Cython jinja2 scipy matplotlib; fi
    - if [[ $DEPS == Y ]]; then $PIP_INSTALL pytest-xdist; fi

    # ASTROPY
    - if [[ $DEPS == Y ]] && [[ $ASTROPY_VERSION == development ]]; then $PIP_INSTALL git+http://github.com/astropy/astropy.git#egg=astropy; fi
    - if [[ $DEPS == Y ]] && [[ $ASTROPY_VERSION == stable ]]; then $CONDA_INSTALL numpy=$NUMPY_VERSION astropy; fi

    # IMINUIT
    # Currently need the dev version of iminuit for Python 3
    # TODO: remove ipython once https://github.com/iminuit/iminuit/issues/166 is fixed
    - if [[ $DEPS == Y && $TRAVIS_PYTHON_VERSION < 3 ]]; then $PIP_INSTALL iminuit; fi
    - if [[ $DEPS == Y && $TRAVIS_PYTHON_VERSION > 3 ]]; then $PIP_INSTALL git+http://github.com/iminuit/iminuit.git#egg=iminuit; fi
    - if [[ $DEPS == Y && $TRAVIS_PYTHON_VERSION > 3 ]]; then $CONDA_INSTALL numpy=$NUMPY_VERSION ipython; fi

    # DOCUMENTATION DEPENDENCIES
    # Note that this matplotlib will *not* work with py 3.x, but our sphinx build is
    # currently 2.7, so that's fine
    - if [[ $DOCS == Y ]]; then $CONDA_INSTALL numpy=$NUMPY_VERSION astropy-helpers sphinx; fi

    # PEP8 / COVERAGE DEPENDENCIES
    - if [[ $PEP8 == Y ]]; then $CONDA_INSTALL pep8; fi
    - if [[ $COVERAGE == Y ]]; then $PIP_INSTALL coverage coveralls; fi

script:
   - $CMD

after_success:
   - if [[ $COVERAGE == Y ]]; then coveralls --rcfile='sncosmo/tests/coveragerc'; fi