.travis.yml

language: python
python:
  - "3.6"
  - "pypy"
  - "2.7"
  - "3.4"
  - "3.5"
matrix:
  include:
    - python: 3.7
      dist: xenial    # required for Python 3.7 (travis-ci/travis-ci#9069)
      sudo: required  # required for Python 3.7 (travis-ci/travis-ci#9069)
    - python: 3.8
      dist: xenial
      sudo: required

install:
  # Python 2.7 and 3.4 are mapped to miniconda2 and miniconda3, respectively. This way we can test jupytext with pandoc
  # Script adapted from https://docs.conda.io/projects/conda/en/latest/user-guide/tasks/use-conda-with-travis-ci.html
  - if [[ "$TRAVIS_PYTHON_VERSION" == "2.7" ]] || [[ "$TRAVIS_PYTHON_VERSION" == "3.4" ]]; then
      sudo apt-get update;
      if [[ "$TRAVIS_PYTHON_VERSION" == "2.7" ]]; then
        wget https://repo.continuum.io/miniconda/Miniconda2-latest-Linux-x86_64.sh -O miniconda.sh;
      else
        wget https://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86_64.sh -O miniconda.sh;
      fi;
      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;
      conda config --append channels conda-forge;
      conda info -a;
      conda create -q -n jupytext-env --file requirements-dev.txt --file requirements.txt;
      source activate jupytext-env;
      conda install pandoc codecov -c conda-forge;
      pandoc -v;
    else
      pip install -r requirements-dev.txt;
      pip install -r requirements.txt;
    fi
  # install is required for testing the pre-commit mode
  - pip install . || true
  # install black if available (Python 3.6 and above), and autopep8 for testing the pipe mode
  - pip install black || true
  - pip install autopep8 || true
  # install sphinx_gallery and matplotlib if available (may not work on pypy)
  - pip install sphinx_gallery || true
before_script:
  # stop the build if there are Python syntax errors or undefined names
  - flake8 . --count --select=E901,E999,F821,F822,F823 --show-source --statistics
  # all Python files should follow PEP8 (except some notebooks, see setup.cfg)
  - flake8 jupytext tests
  # exit-zero treats all errors as warnings.  The GitHub editor is 127 chars wide
  - flake8 . --count --exit-zero --max-complexity=10 --statistics
script:
  - coverage run --source=. -m py.test
  # Test HTML display of Utf-8 chars with pipes
  - echo "from IPython.core.display import HTML; HTML(u'\xd7')" | jupytext --from py --to ipynb --set-kernel - --execute > out.ipynb
after_success:
  - coverage report -m
  - codecov