.travis.yml

language: python

os:
  - linux
  
dist: bionic

python:
  - "3.7"

env:
  - PYTORCH_CHANNEL=pytorch
  - PYTORCH_CHANNEL=pytorch-nightly

stages:
  - Lint check
  - Test
  - Docs
  - Deploy
  - Nightly

before_install: &before_install
  - sudo apt-get update
  - wget https://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86_64.sh -O miniconda.sh;
  - bash miniconda.sh -b -p $HOME/miniconda
  - export PATH="$HOME/miniconda/bin:$PATH"
  - hash -r
  - conda config --set always_yes yes --set changeps1 no
  - conda update -q conda
  # Useful for debugging any issues with conda
  - conda info -a
  - conda create -q -n test-environment pytorch cpuonly python=$TRAVIS_PYTHON_VERSION -c $PYTORCH_CHANNEL
  - source activate test-environment
  # Keep fix in case of problem with torchvision nightly releases
  # - if [[ "$PYTORCH_CHANNEL" == "pytorch-nightly" ]]; then pip install --upgrade git+https://github.com/pytorch/vision.git; else conda install torchvision cpuonly python=$TRAVIS_PYTHON_VERSION -c $PYTORCH_CHANNEL; fi
  - conda install torchvision cpuonly python=$TRAVIS_PYTHON_VERSION -c $PYTORCH_CHANNEL
  # Install all test/examples dependencies
  - pip install -r requirements-dev.txt

install:
  - python setup.py install

script:
  - CI_PYTHON_VERSION="$TRAVIS_PYTHON_VERSION" sh tests/run_cpu_tests.sh

after_success:
  - codecov -F cpu || echo 'Codecov upload failed'

jobs:
  include:
    - stage: Lint check
      python: "3.7"
      before_install: # Nothing to do
      install: pip install flake8 "black==19.10b0" "isort==4.3.21"
      script:
        - flake8 .
        - black --check .
        - isort -rc -c .
      after_success: # Nothing to do

    # GitHub Pages Deployment: https://docs.travis-ci.com/user/deployment/pages/
    - stage: Docs
      python: "3.7"
      if: type != cron
      # Use previously defined before_install
      before_install: *before_install

      install:
        - pip install -r docs/requirements.txt
        - pip install git+https://github.com/vfdev-5/sphinxcontrib-versioning.git

      script:
        - sphinx-versioning --use-master-conf --use-master-templates build --greatest-tag --whitelist-branches master docs/source docs/build/html
        # Create .nojekyll file to serve correctly _static and friends
        - touch docs/build/html/.nojekyll
      after_success: # Nothing to do

      # Deploy built docs : a) when PR is merged to master, b) when a tag is built
      deploy:
        - provider: pages
          edge: true
          token: $GITHUB_TOKEN # Set in the settings page of your repository, as a secure variable
          keep_history: false
          local_dir: docs/build/html
          on:
            branch: master
        - provider: pages
          edge: true
          token: $GITHUB_TOKEN # Set in the settings page of your repository, as a secure variable
          keep_history: false
          local_dir: docs/build/html
          on:
            tags: true

    - stage: Deploy
      python: "3.7"
      env:
        - PYTORCH_CHANNEL=pytorch
        - UPLOAD_USER=pytorch
      if: tag IS present

      # Use previously defined before_install
      before_install: *before_install

      install:
        - python setup.py install

      script: true

      after_success: # Nothing to do

      before_deploy: &before_deploy
        # ANACONDA_TOKEN should be provided by Travis
        # How to generate ANACONDA_TOKEN: https://docs.anaconda.com/anaconda-cloud/user-guide/tasks/work-with-accounts#creating-access-tokens
        # https://conda.io/docs/user-guide/tasks/build-packages/install-conda-build.html
        - conda install -y conda-build conda-verify anaconda-client
        - conda config --set anaconda_upload no
        - travis_wait 60 conda build --quiet --no-test --output-folder conda_build conda.recipe -c pytorch
        # Convert to other platforms: OSX, WIN
        - conda convert --platform win-64 conda_build/linux-64/*.tar.bz2 -o conda_build/
        - conda convert --platform osx-64 conda_build/linux-64/*.tar.bz2 -o conda_build/
        # Upload to Anaconda
        # We could use --all but too much platforms to uploaded
        - ls conda_build/*/*.tar.bz2 | xargs -I {} anaconda -v -t $ANACONDA_TOKEN upload -u $UPLOAD_USER {}

      # PyPI Deployment: https://docs.travis-ci.com/user/deployment/pypi/
      deploy:
        edge: true
        provider: pypi

        username: $PYPI_USER
        # If password contains non alphanumeric characters
        # https://github.com/travis-ci/dpl/issues/377
        # pass it as secured variable
        password: $PYPI_TOKEN
        # otherwise, follow "How to encrypt the password": https://docs.travis-ci.com/user/encryption-keys/
        # `travis encrypt deploy.password="password"`
        #  secure: "secured_password"

        distributions: "sdist bdist_wheel"

        on:
          tags: true

    - stage: Nightly
      python: "3.7"
      if: type = cron
      env:
        - PYTORCH_CHANNEL=pytorch-nightly
        - UPLOAD_USER=pytorch-nightly
      # Use previously defined before_install
      before_install: *before_install
      install:
        - sed -i "s/__version__ = \"\(.*\)\"/__version__ = \"\1.dev$(date -u +%Y%m%d)\"/g" ignite/__init__.py
      script: true
      after_success: # Nothing to do
      before_deploy: *before_deploy
      # PyPI Deployment: https://docs.travis-ci.com/user/deployment/pypi/
      deploy:
        edge: true
        provider: pypi
        username: $PYPI_USER
        # If password contains non alphanumeric characters
        # https://github.com/travis-ci/dpl/issues/377
        # pass it as secured variable
        password: $PYPI_TOKEN
        # otherwise, follow "How to encrypt the password": https://docs.travis-ci.com/user/encryption-keys/
        # `travis encrypt deploy.password="password"`
        #  secure: "secured_password"
        distributions: "sdist bdist_wheel"
        on:
          branch:
            - master