.travis.yml

# Travis script that uses miniconda in place of the system installed python
# versions.  Allows substantial flexibility for choosing versions of
# required packages and is simpler to use to test up-to-date scientific Python
# stack
dist: xenial
sudo: required
language: python

git:
  depth: 10000

env:
  # Default values for common packages, override as needed
  global:
    - OPTIONAL=
    - COVERAGE=false
    - USEMPL=true
    - MATPLOTLIB=
    - DOCBUILD=false
    - LINT=false
    - MKL_NUM_THREADS=1 # Enforce single thread
    - NUMEXPR_NUM_THREADS=1
    - OMP_NUM_THREADS=1
    - OPENBLAS_NUM_THREADS=1
    - PYTHONHASHSEED=0 # Ensure tests are correctly gathered by xdist
    - BLAS="mkl blas=*=mkl" # Use Intel MKL by default
    - BUILD_INIT=tools/ci/travis_conda.sh
    - DEPEND_ALWAYS="pyyaml joblib pip colorama"
    - # Doctr deploy key for statsmodels/statsmodels.github.io
    - secure: "AzwB23FWdilHKVcEJnj57AsoY5yKTWT8cQKzsH2ih9i08wIXvZXP/Ui8XRDygV9tDKfqGVltC7HpBBDE3C4ngeMlis4uuKWlkp0O1757YQe+OdDnimuDZhrh3ILEk7xW3ab5YizjLeyv3iiBW7cNS5z8W3Yu8HeJPkr6Ck30gAA="
    - SM_CYTHON_COVERAGE=false # Run takes > 1 hour and so not feasible

matrix:
  fast_finish: true
  include:
    # Python 2.7 + partially updated numpy, mpl; cutting edge scipy, pandas
    - python: 2.7
      env:
        - PYTHON=2.7
        - NUMPY=1.13
        - MATPLOTLIB=2.0
        - COVERAGE=true
      # Python 2.7 + baseline packages
    - python: 2.7
      env:
        - PYTHON=2.7
        - NUMPY=1.12
        - BLAS= # Do not specify blas in this config due to conflict
        - SCIPY=0.19
        - PANDAS=0.20
        - USEMPL=false
        - LINT=true
    # Python 3.4 + baseline packages
    - python: 3.4
      env:
        - PYTHON=3.4
        - NUMPY=1.11
        - SCIPY=0.18
        - PANDAS=0.19
        - MATPLOTLIB=1.5
    # Python 3.7 + cutting edge packages
    - python: 3.7
      env:
        - PYTHON=3.7
        - COVERAGE=true
        # Documentation build (on Python 3.6 + cutting edge packages)
    - python: 3.6
      env:
        - PYTHON=3.7
        - DOCBUILD=true
    # Python 3.6 + legacy blas
    - python: 3.6
      env:
        - PYTHON=3.6
        - NUMPY=1.14
        - BLAS="nomkl blas=*=openblas"
    # Python 3.5 + partially updated packages
    - python: 3.5
      env:
        - PYTHON=3.5
        - NUMPY=1.13
        - SCIPY=1.0
        - PANDAS=0.22
        - MATPLOTLIB=2.0
        - LINT=true
    # Latest pre-release packages
    - python: 3.7
      env:
        - PIP_PRE=true
        - BUILD_INIT=tools/ci/travis_pip.sh
    - os: osx
      language: generic
      env:
        - PYTHON=3.6.6
        - NUMPY=1.14
        - BUILD_INIT=tools/ci/travis_pip.sh
    - os: osx
      language: generic
      env:
        - PYTHON=3.7

  allow_failures:
    # pre-testing is a little fragile. Make it an FYI.
    - python: 3.7
      env:
        - PIP_PRE=true
        - BUILD_INIT=tools/ci/travis_pip.sh
    - os: osx
      language: generic
      env:
        - PYTHON=3.6.6
        - NUMPY=1.14
        - BUILD_INIT=tools/ci/travis_pip.sh
    - os: osx
      language: generic
      env:
        - PYTHON=3.7

notifications:
  email:
    on_success: always

before_install:
  # Skip if commit message contains [skip travis] or [travis skip]
  - COMMIT_MESSAGE=$(git show -s $TRAVIS_COMMIT_RANGE | awk 'BEGIN{count=0}{if ($1=="Author:") count++; if (count==1) print $0}')
  - if [[ $TRAVIS_PULL_REQUEST == false ]]; then COMMIT_MESSAGE=${TRAVIS_COMMIT_MESSAGE}; fi
  - if echo "$COMMIT_MESSAGE" | grep -E '\[(skip travis|travis skip)\]'; then exit 0 ; fi
  # Show information about CPU running job to understand BLAS issues
  - if [ "$TRAVIS_OS_NAME" = "linux" ]; then sudo lshw -class processor; fi
  - if [ "$TRAVIS_OS_NAME" = "osx" ]; then sysctl -a | grep machdep.cpu; fi
  # Fix for headless TravisCI
  - "export DISPLAY=:99.0"
  - if [ "$TRAVIS_OS_NAME" = "linux" ]; then ( sh -e /etc/init.d/xvfb start )& fi
  - if [ "$TRAVIS_OS_NAME" = "osx" ]; then ( sudo Xvfb :99 -ac -screen 0 1024x768x8; echo ok )& fi
  # Avoid noise from matplotlib
  - mkdir -p $HOME/.config/matplotlib
  - SRCDIR=$PWD
  # Source recipe to install packages
  - source $BUILD_INIT
  - pip install pytest pip pytest-randomly nose
  - if [ "$TRAVIS_OS_NAME" = "osx" ]; then pip install pytest-xdist; fi;
  - |
    if [ ${COVERAGE} = true ]; then
        pip install codecov coverage coveralls pytest-cov
        export COVERAGE_OPTS="--cov=statsmodels --cov-report="
        echo "Cython coverage:" ${SM_CYTHON_COVERAGE}
    else
        export COVERAGE_OPTS=""
    fi
  - pip install flake8
  - export SRCDIR=$PWD

# Install packages
install:
  - python setup.py develop

before_script:
  - if [ ${DOCBUILD} = true ]; then source tools/ci/docbuild_install.sh; fi;

script:
  # Show versions
  - python -c 'import statsmodels.api as sm; sm.show_versions();'
  # docbuild and exit, if required
  - if [ ${DOCBUILD} = true ]; then cd ${SRCDIR}/docs; source ${SRCDIR}/tools/ci/docbuild.sh; exit 0; fi;
  # Run tests
  - |
    if [ "$TRAVIS_OS_NAME" = "osx" ]; then
        export XDIST_OPTS="-n2"
    else
        export XDIST_OPTS=""
    fi
  - echo pytest -r a ${COVERAGE_OPTS} statsmodels --skip-examples ${XDIST_OPTS}
  - pytest -r a ${COVERAGE_OPTS} statsmodels --skip-examples ${XDIST_OPTS}
  - ./lint.sh

after_success:
  - if [ ${COVERAGE} = true ]; then coveralls; fi
  - if [ ${COVERAGE} = true ]; then codecov; fi