.travis.yml

# As a general rule, the latest release of Keras is compatible with the latest
# release of TensorFlow as well as the previous release of TensorFlow (in most
# cases, it is actually compatible with several prior TF releases, but that is
# not guaranteed).
#
# -- https://github.com/keras-team/keras/issues/10440#issuecomment-397428200

language: python

env:
  - TENSORFLOW='tensorflow<2' KERAS='keras'

matrix:
  include:
    - os: linux
      python: 2.7
    - os: linux
      python: 3.5
    - os: linux
      python: 3.6
    - os: linux
      python: 3.7
      ###########
    - os: linux
      python: 3.7
      env: TENSORFLOW='tensorflow<2' KERAS='keras' ONLY_INSTALL=1
      ###########
    - os: linux
      python: 3.6
      if: branch = master
      env: TENSORFLOW='tensorflow<1.15'   KERAS='keras==2.3.0'
    - os: linux
      python: 3.6
      if: branch = master
      env: TENSORFLOW='tensorflow<1.14'   KERAS='keras==2.2.5'
    - os: linux
      python: 3.6
      if: branch = master
      env: TENSORFLOW='tensorflow<1.13'   KERAS='keras==2.2.5'
    - os: linux
      python: 3.6
      if: branch = master
      env: TENSORFLOW='tensorflow<1.12'   KERAS='keras==2.2.5'
  # - os: linux
  #   python: 3.6
  #   if: branch = master
  #   env: TENSORFLOW='tensorflow<1.11'   KERAS='keras==2.2.4'
  #   # tensorflow 1.10 requires numpy <= 1.14.5, which causes problems -> not supported
  #   # https://github.com/tensorflow/tensorflow/blob/v1.10.1/tensorflow/tools/pip_package/setup.py#L54
    - os: linux
      python: 3.6
      if: branch = master
      env: TENSORFLOW='tensorflow<1.10'   KERAS='keras==2.2.2'
    - os: linux
      python: 3.6
      if: branch = master
      # env: TENSORFLOW='tensorflow<1.9'    KERAS='keras==2.2.0' # causes segmentation fault, why?
      env: TENSORFLOW='tensorflow<1.8'    KERAS='keras==2.2.0'
    - os: linux
      python: 3.6
      if: branch = master
      env: TENSORFLOW='tensorflow<1.8'    KERAS='keras==2.1.6'
    - os: linux
      python: 3.6
      if: branch = master
      # lowest supported keras version, last tensorflow release that supports CUDA 8
      env: TENSORFLOW='tensorflow==1.4.1' KERAS='keras==2.1.2'
      ###########

install:
  - pip install $TENSORFLOW $KERAS
  - if [ -z $ONLY_INSTALL ]; then
       pip install .;
    else
       pip install csbdeep;
    fi

script:
  - if [ -z $ONLY_INSTALL ]; then
      pytest -v --durations=50;
    fi