.travis.yml

branches:
    only:
        - master

language: python
python:
    #- 2.6  # disabled until Travis fixes their issue #6732
            # https://github.com/travis-ci/travis-ci/issues/6732
    - 2.7
    - 3.4
    - 3.5
    #- 3.6  # disabled until Travis fixes their issue #4990
            # https://github.com/travis-ci/travis-ci/issues/4990
            # i.e. has python 3.6 pre-installed.  Otherwise it can time out from having to install
            # all the python 3.6 stuff from scratch.

compiler:
    - g++

before_install:
    - export PATH=$(echo $PATH | tr ':' "\n" | sed '/\/opt\/python/d' | tr "\n" ":" | sed "s|::|:|g")
    - sudo apt-get -qq update
    - sudo apt-get install -y python-dev libfftw3-dev scons libblas-dev liblapack-dev gfortran libav-tools

    # List current contents of directories that should be being cached.
    - ls -l $HOME
    - if test -d $HOME/tmv-0.73; then ls -l $HOME/tmv-0.73; fi
    - if test -d $HOME/boost_1_61_0; then ls -l $HOME/boost_1_61_0; fi
    - if test -d $HOME/des_data; then ls -l $HOME/des_data; fi

    # Add ~/bin and ~/lib, etc. to the appropriate paths where scons install will put things.
    - export PYHOME=$HOME/virtualenv/python${TRAVIS_PYTHON_VERSION}
    - export PATH=$HOME/bin:$PATH
    - export LD_LIBRARY_PATH=$HOME/lib:$LD_LIBRARY_PATH

    # Fix a directory name in 3.x installations so boost can find it.
    - if test -d $PYHOME/include/python${TRAVIS_PYTHON_VERSION}m; then ln -s $PYHOME/include/python${TRAVIS_PYTHON_VERSION}m $PYHOME/include/python${TRAVIS_PYTHON_VERSION}; fi

    # To get coverage of the WcsToolsWCS class:
    #- sudo add-apt-repository "deb http://archive.ubuntu.com/ubuntu $(lsb_release -sc) universe"
    #- sudo apt-get -qq update
    #- sudo apt-get install -y wcstools
    # Hm. This didn't work, and I can't figure out why.  I get the following error:
    #     Reading package lists... Done
    #     Building dependency tree
    #     Reading state information... Done
    #     E: Unable to locate package wcstools
    # Perhaps someone with more familiarity with apt-get can figure this out, but for now, we'll
    # live with lack of coverage of WcsToolsWCS.

    # Only get TMV if not cached
    - pushd $HOME
    - if ! test -d tmv-0.73 || ! test -f tmv-0.73/SConstruct; then wget https://github.com/rmjarvis/tmv/archive/v0.73.tar.gz && tar -xf v0.73.tar.gz ; else echo Using cached TMV; fi
    # But always install it to /usr/local
    - cd tmv-0.73 && sudo scons install
    - popd

    # Only get Boost if not cached
    - pushd $HOME
    - if ! test -d boost_1_61_0 || ! test -f boost_1_61_0/bootstrap.sh; then wget https://sourceforge.net/projects/boost/files/boost/1.61.0/boost_1_61_0.tar.bz2 --no-check-certificate && tar --bzip2 -xf boost_1_61_0.tar.bz2 && cd boost_1_61_0 && ./bootstrap.sh --with-python=python$TRAVIS_PYTHON_VERSION && ./b2 link=shared && cd ..; else echo Using cached Boost; fi
    - cd boost_1_61_0 && sudo ./b2 -d0 link=shared install
    - popd

    # Get the des data needed for the check_des test.
    - if ! test -d $HOME/des_data || ! test -f $HOME/des_data/DECam_00154912_01.fits.fz; then wget http://www.sas.upenn.edu/~mjarvis/des_data.tar.gz && tar xfz des_data.tar.gz -C $HOME --wildcards *_01*; fi
    - ln -s $HOME/des_data examples/des/

cache:
    pip: true
    directories:
    - $HOME/tmv-0.73
    - $HOME/boost_1_61_0
    - $HOME/des_data

install:
    # Note: matplotlib is only required because starlink has an `import matplotlib` in their
    # code, despite that not being a dependency.
    # Allow 30 minutes for this one, since sometimes scipy in particular can take a long time
    # if it's not in the cache yet.
    - travis_wait 30 pip install numpy astropy future pyyaml starlink-pyast nose codecov coveralls matplotlib==1.5.0 scipy pandas coverage
    - if [[ $TRAVIS_PYTHON_VERSION == 2.6 ]]; then pip install simplejson ordereddict; fi

script:
    # This lets scons work even on Python 3 builds
    # cf. https://github.com/travis-ci/travis-ci/issues/5961
    - source $HOME/virtualenv/python2.7/bin/activate
    # But now we need to manually set the python, since it's not the default in this virtualenv.
    - scons PREFIX=$HOME PYTHON=$PYHOME/bin/python PYPREFIX=$PYHOME/lib/python${TRAVIS_PYTHON_VERSION}/site-packages BOOST_DIR=$PYHOME && scons install
    - if test -f gs.error; then cat gs.error; fi
    # Go back to the regular python environment for the tests
    - source $PYHOME/bin/activate
    # If galsim_download_cosmos.py changed, then run it.
    - if git --no-pager diff $TRAVIS_COMMIT_RANGE --name-only | grep -Fxq 'bin/galsim_download_cosmos.py'; then galsim_download_cosmos -s 23.5 -v1; fi
    - cd tests
    # Use this rather than scons tests, so we can get the coverage options.
    - "nosetests test*.py --with-coverage --cover-package=galsim --with-doctest --cover-erase"
    # Without cover-erase, this will append to the .coverage file
    - "nosetests run_examples.py --with-coverage --cover-package=galsim --with-doctest"

after_success:
    # The multiprocessing stages don't get properly incorporated into the .coverage file unless
    # we do this command.  (Some of the .coverage.* files are in the ../examples directory.)
    - coverage combine . ../examples ../examples/great3 ../examples/des
    - coverage xml

    # If we start doing multiple python versions here, then only send the report for one of them.
    # Otherwise the reported results get weird.
    - if [[ $TRAVIS_PYTHON_VERSION == 2.7 ]]; then coveralls; fi
    # Codecov is better at combining the results from different python versions.
    - codecov

before_cache:
    - rm -rfv $HOME/.cache/pip/log
    - rm -rfv $HOME/.cache/pip/http