dist: focal
addons:
  apt:
    packages:
      - ffmpeg
      - libudev-dev
      - libavformat-dev
      - libavcodec-dev
      - libavdevice-dev
      - libavutil-dev
      - libswscale-dev
      - libswresample-dev
      - libavfilter-dev

python:
  - "3.7.1"
  - "3.8"

env:
  - TOX_ARGS="-- --test-group-count 4 --test-group 1"
  - TOX_ARGS="-- --test-group-count 4 --test-group 2"
  - TOX_ARGS="-- --test-group-count 4 --test-group 3"
  - TOX_ARGS="-- --test-group-count 4 --test-group 4"

jobs:
  fast_finish: true
  include:
    - python: "3.7.1"
      env: TOXENV=lint
    - python: "3.7.1"
      # PYLINT_ARGS=--jobs=0 disabled for now: https://github.com/PyCQA/pylint/issues/3584
      env: TOXENV=pylint TRAVIS_WAIT=30
    - python: "3.7.1"
      env: TOXENV=typing

cache:
  pip: true
  directories:
    - $HOME/.cache/pre-commit
install: pip install -U tox tox-travis
language: python
script: ${TRAVIS_WAIT:+travis_wait $TRAVIS_WAIT} tox -vv --develop ${TOX_ARGS-}