.travis.yml

branches:
  only:
    - master
    - devel
    - /devel-.*/
    - /travis.*/
    - /ci-.*/

language: shell
os: linux
dist: bionic

arch:
  - amd64
  - arm64
# Disabled due to intermittent failures and long running times
#  - ppc64le
# Disabled until grpcio works with s390x
# https://github.com/grpc/grpc/issues/23797
#  - s390x

env:
  jobs:
    - PYTHON=3.8
    - PYTHON=3.7
    - PYTHON=3.6
  global:
    - PYTHONWARNINGS="ignore::DeprecationWarning"
    - PIP_PROGRESS_BAR="off"
    - COVERALLS_PARALLEL=true

# Cache downloaded and built python packages
# This needs to be explicit, 'cache: pip' only works with 'language: python'
cache:
  directories:
    - $HOME/.cache/pip/wheels

addons:
  apt:
    packages:
      - graphviz

before_install:
  - lscpu
  - |
    # Install venv on Linux using Ubuntu distributed python
    if [ "$TRAVIS_CPU_ARCH" != "amd64" ]; then
      # There are a lot fewer wheels distributed for non-x86 architectures.
      # We end up building a lot of them locally, install dev packages
      export EXTRA_PKGS="build-essential gfortran llvm-10-dev libfreetype6-dev libjpeg-dev liblapack-dev zlib1g-dev"
      # Export LLVM_CONFIG for llvmlite
      export LLVM_CONFIG=llvm-config-10
      # Disable coverage
      export RUN_COV=""

    fi
    # matplotlib depends on cython
    # explicitly install numpy (https://github.com/pypa/pip/issues/9239)
    export EXTRA_PIP="cython $(grep numpy requirements.txt)"

  # distutils is only needed for python3.8
  # https://bugs.launchpad.net/ubuntu/+source/python3.8/+bug/1851684
  -  sudo apt-get install -y python$PYTHON-dev python$PYTHON-venv python$PYTHON-distutils $EXTRA_PKGS
  -  python$PYTHON -m venv $HOME/venv

  # Provide fake xdg-open
  - echo "#!/bin/sh" > $HOME/venv/bin/xdg-open
  - chmod +x $HOME/venv/bin/xdg-open

  # The rest of the setup is common for all environments
  - source $HOME/venv/bin/activate

  - python --version
  - pip install -U pip wheel
  - pip --version
  - |
    # Install undeclared dependencies
    if [ "x$EXTRA_PIP" != "x" ]; then
      pip install $EXTRA_PIP
    fi

before_cache:
  - pip cache info
  - |
    INSTALLED=`pip list | sed 's/-/_/g' | sed 's/  */-/' | tail -n+3`
    CACHED=`pip cache list | cut -f 2,3 -d- | tail -n+3`
    for P in $CACHED; do
      # Remove cached and not installed
      if [ `echo $INSTALLED | grep -o $P | wc -l` == "0" ] ; then
        pip cache remove -v $P
      fi
    done
  - pip cache info

install:
  - pip install coveralls
  - pip install -e .[dev]


script:
  - if [ "x$RUN_COV" != "x" ] ; then echo "Running with coverage"; export COV_ARGS="--cov=psyneulink"; else echo "Running without coverage"; export COV_ARGS=""; fi
  # CPU count detection is a mess. pytest-xdist checks for physical cores
  # (not threads). However, Travis exposes mixed configurations:
  #   * amd64: 1s * 1c * 2t   = 1c/2t
  #   * arm64: 1s * 32c * 1t  = 32c/32t
  #   * ppc64le: 2s * 1c * 8t = 2c/16t
  #   * s390x:  4drawers * 1book * 1s * 1c * 1t = 4c/4t
  # 'nproc' should give the correct count, including threads.
  # There's also a limit on available memory so the below maxproc numbers
  # make sure we don't run out of memory.
  - if [ "$TRAVIS_CPU_ARCH" == "ppc64le" ] ; then export MAX_PROCESSES="--maxprocesses=6"; fi
  - if [ "$TRAVIS_CPU_ARCH" == "arm64" ] ; then export MAX_PROCESSES="--maxprocesses=16"; fi
  - pytest -n `nproc` -p no:logging --verbosity=0 $COV_ARGS $MAX_PROCESSES

after_script:
  - if [ "x$RUN_COV" != "x" ] ; then coveralls; fi

notifications:
  webhooks: https://coveralls.io/webhook