.travis.yml

language: c

sudo: false

addons:
  apt:
    packages:
      - ruby

notifications:
  email: false

env:
  global:
    # We add astropy-ci-extras to have the latest version of Astropy with older Numpy versions.
    - CONDA_CHANNELS="astropy-ci-extras astropy glueviz"
    - ASTROPY_VERSION=stable
    - NUMPY_VERSION=1.13
    - NO_CFG_FILES=false
    - QT_PKG=pyqt5
    - SETUP_XVFB=True
    - CONDA_DEPENDENCIES="pip dill ipython matplotlib scipy cython h5py pygments pyzmq scikit-image pandas sphinx xlrd pillow pytest mock coverage pyyaml sphinx_rtd_theme qtpy traitlets ipykernel qtconsole spectral-cube pytest-cov mpl-scatter-density bottleneck"
    - PIP_DEPENDENCIES="codecov pyavm astrodendro plotly objgraph pytest-qt pytest-faulthandler flake8"
    - PIP_FALLBACK=false
    - REMOVE_INSTALL_REQUIRES=0
    - secure: NvQVc3XmmjXNVKrmaD31IgltsOImlnt3frAl4wU0pM223iejr7V57hz/V5Isx6sTANWEiRBMG27v2T8e5IiB7DQTxFUleZk3DWXQV1grw/GarEGUawXAgwDWpF0AE/7BRVJYqo2Elgaqf28+Jkun8ewvfPCiEROD2jWEpnZj+IQ=
    - secure: "SU9BYH8d9eNigypG3lC83s0NY6Mq9AHGKXyEGeXDtz1npJIC1KHdzPMP1v1K3dzCgl1p6ReMXPjZMCENyfNkad/xvzTzGk0Nu/4BjihrUPV6+ratVeLpv0JLm8ikh8q+sZURkdtzUOlds+Hfn5ku4LdpT87tcKHY9TINAGA34ZM="
    - AWS_ACCESS_KEY_ID: AKIAI2ERWDHLW3W24X3A
    - AWS_SECRET_ACCESS_KEY: $AWS_SECRET_KEY_ID

stages:
    - name: Initial
    - name: Full

matrix:

    # Don't wait for allowed failures
    fast_finish: true

    include:

        - os: linux
          stage: Initial
          env: PYTHON_VERSION=2.7

        - os: linux
          stage: Initial
          env: PYTHON_VERSION=3.6

        - os: linux
          stage: Initial
          env: PYTHON_VERSION=3.7
               NUMPY_VERSION=1.14

        - os: osx
          stage: Full
          env: PYTHON_VERSION=2.7

        - os: osx
          stage: Full
          env: PYTHON_VERSION=3.6

        # Astropy dev
        - os: linux
          stage: Full
          env: PYTHON_VERSION=3.6
               ASTROPY_VERSION=dev

        # Numpy dev
        - os: linux
          stage: Full
          env: PYTHON_VERSION=3.6
               NUMPY_VERSION=dev

        # The following configuration tests that glue functions with minimal
        # dependencies.
        - os: linux
          stage: Full
          env: PYTHON_VERSION=3.6
               CONDA_DEPENDENCIES="pip setuptools pandas mock matplotlib qtpy ipython ipykernel qtconsole mpl-scatter-density bottleneck"
               PIP_DEPENDENCIES="pytest-cov codecov flake8"
               REMOVE_INSTALL_REQUIRES=1

        - os: linux
          stage: Full
          env: PYTHON_VERSION=3.6
               DOC_TRIGGER=1
               PYTEST_ARGS="--no-optional-skip"
               NO_CFG_FILES=true

        # Test with older package versions:

        - os: linux
          stage: Full
          env: PYTHON_VERSION=2.7
               MATPLOTLIB_VERSION=2.0
               PANDAS_VERSION=0.18
               SETUPTOOLS=1.0
               IPYTHON_VERSION=4
               NUMPY_VERSION=1.11

        # Test with PySide2

        - os: osx
          stage: Full
          env: PYTHON_VERSION=3.6
               CONDA_CHANNELS="astropy-ci-extras astropy glueviz conda-forge"
               QT_PKG=pyside2

        - os: linux
          stage: Full
          env: PYTHON_VERSION=3.6
               CONDA_CHANNELS="astropy-ci-extras astropy glueviz conda-forge"
               QT_PKG=pyside2

        # Test without any Qt installation, which will also cause all qt
        # sub-directories to be removed, to make sure that no non-Qt code has
        # any dependence on Qt code.
        - os: linux
          stage: Full
          env: PYTHON_VERSION=3.6
               PIP_DEPENDENCIES="codecov pyavm astrodendro plotly objgraph flake8"
               QT_PKG=False

    allow_failures:

      # For now PySide2 can give segfaults when the process terminates - see
      # https://bugreports.qt.io/browse/PYSIDE-585
      # We therefore need to mark these as allowed failures for now

      - os: osx
        env: PYTHON_VERSION=3.6
             CONDA_CHANNELS="astropy-ci-extras astropy glueviz conda-forge"
             QT_PKG=pyside2

      - os: linux
        env: PYTHON_VERSION=3.6
             CONDA_CHANNELS="astropy-ci-extras astropy glueviz conda-forge"
             QT_PKG=pyside2

before_install:

  # Prepare dependency list.
  - if [[ $QT_PKG == pyside2 ]]; then export CONDA_DEPENDENCIES="pyside2 "$CONDA_DEPENDENCIES; fi
  - if [[ $QT_PKG == pyqt5 ]]; then export CONDA_DEPENDENCIES="pyqt=5 "$CONDA_DEPENDENCIES; fi

  # Documentation dependencies
  - if [ $DOC_TRIGGER ]; then export PIP_DEPENDENCIES="sphinx-automodapi numpydoc requests "$PIP_DEPENDENCIES; fi

  # Install ci-helpers and set up conda
  - git clone git://github.com/astropy/ci-helpers.git
  - source ci-helpers/travis/setup_conda.sh

  # now set up a plugin configuration file with some plugins disabled. This is
  # to make sure that when we run the tests, glue will ignore this
  # configuration and will instead run tests for all plugins.
  - if [[ $NO_CFG_FILES == false ]]; then mkdir ~/.glue; printf "[plugins]\nspectrum_tool = 0\n" >> ~/.glue/plugins.cfg; fi

install:

  - LC_ALL=C

  # Uninstall PyQt if we are using PySide
  - if [ $QT_PKG == pyside2 ]; then conda remove --no-pin --force pyqt sip || true; fi

  # Uninstall any version of Qt if QT_PKG is False, and remove all qt
  # sub-directories
  - if [[ $QT_PKG == False ]]; then
      sed -i.bak '/qtpy/d' setup.py;
      sed -i.bak '/sys.exit(1)/d' setup.py;
      conda remove --no-pin --force pyqt || true;
      conda remove --no-pin --force pyside || true;
      conda remove --no-pin --force pyside2 || true;
      conda remove --no-pin --force qt || true;
      find . -name "qt" -type d -exec rm -r {} \; || true;
      rm glue/external/qt.py || true;
      sed -i.bak 's/in REQUIRED_PLUGINS/in REQUIRED_PLUGINS and False/' glue/main.py || true;
    fi

  # Set MPLBACKEND to Agg by default - this will get overriden if Qt is present,
  # but it avoids having Matplotlib default to the osx backend on MacOS X
  - export MPLBACKEND='Agg';

  # List installed packages - use the export command so as to be able to
  # reproduce the exact environment locally. Do this before installing glue
  # since we don't want glue to appear in the list of packages for the
  # environment.
  - conda env export

  # If REMOVE_INSTALL_REQUIRES is set, then we need to get rid of the
  # install_requires section in setup.py. This is used for the absolute
  # minimal build to make sure that things still work. In practice,
  # glue could never be run with such a restrictive set of dependencies
  # because install_requires will not be empty for users, but it ensures
  # that if we change some of the dependencies from required to optional
  # in future (apart from a core few), things will still work.
  - if [[ $REMOVE_INSTALL_REQUIRES == 1 ]]; then sed -i.bak s/install_requires=install_requires/install_requires=[]/g setup.py; fi

  # We need to install glue in order to make sure that the entry points are
  # installed.
  - pip install . --no-deps --verbose

  # Check that all the plugins load correctly
  - python -c 'from glue.logger import logger; logger.setLevel("DEBUG"); from glue.main import load_plugins; load_plugins()'

  # List installed packages again - just to check if any packages got installed
  # in the previous step.
  - conda env export

script:

  # In the following, we make sure there are no font sizes hard-coded in *.ui files.
  # We do this because the default application font size may change on different
  # platforms, but the sizes in ui files are absolute, which can lead to mismatched
  # font sizes.
  - find glue -name "*.ui" -exec grep "pointsize" {} \; >& font.log
  - test ! -s font.log

  - if [[ $QT_PKG == False ]]; then glue --version; fi

  # Do style checks
  - flake8 --max-line-length=100 --exclude=external glue

  - pytest --cov glue --durations=20 -vs $PYTEST_ARGS glue

  # In the following, we use separate if statements for each line, to make
  # sure the exit code from each one is taken into account for the overall
  # exit code.
  - if [ $DOC_TRIGGER ]; then cd doc; make html linkcheck 2> warnings.log; cd ..; fi
  - if [ $DOC_TRIGGER ]; then cat doc/warnings.log; fi
  - if [ $DOC_TRIGGER ]; then grep -v "numpy.dtype size changed" doc/warnings.log | grep -v "return f(\*args, \*\*kwds)" || true > doc/warnings_filt.log; fi
  - if [ $DOC_TRIGGER ]; then cat doc/warnings_filt.log; fi
  # make sure stderr was empty, i.e. no warnings
  - if [ $DOC_TRIGGER ]; then test ! -s doc/warnings_filt.log; fi

  # Check for any broken links, ignore 'redirected with Found'
  - if [ $DOC_TRIGGER ]; then grep -v "redirected with Found" doc/_build/linkcheck/output.txt || true > doc/_build/linkcheck/output_no_found_redirect.txt; fi
  - if [ $DOC_TRIGGER ]; then test ! -s doc/_build/linkcheck/output_no_found_redirect.txt; fi

  # Check spelling
  # - if [ $DOC_TRIGGER ]; then make spelling; fi

after_success:

  # Coverage testing
  - if [[ $QT_PKG != False ]]; then codecov; fi