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dist: trusty
language: python

# Used: travis encrypt "chat.freenode.net#scons" --add notifications.irc
notifications:
  irc:
    secure: 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

addons:
  apt:
    update: true

os:
  - linux

install:
  # needed for Docbook tests, must be in virtualenv context
  - pip install lxml==4.3.3
  # do the rest of the image setup
  - ./.travis/install.sh

# pypy is not passing atm, but still report build success for now
# allow coverage to fail, so we can still do testing for all platforms
matrix:
  allow_failures:
    - python: pypy
    - python: pypy3
    - stage: Coverage

# run coverage first as its still useful to collect
stages:
  - Coverage
  - Test

# Note: Travis does not provide a way to specify the order of
# jobs within a Stage, which are "run in parallel", but with
# limitations: from observation four or five are kicked
# off, then additional jobs as initial ones complete.
# We want the slowest jobs in the first batch since the
# faster ones are less than half the time of the slowest,
# we should be able to finish the Test task in the time of the
# slowest job rather than (a fast job + the slowest job).
# Putting the pypy jobs first may help with this, though it's
# apparently not guaranteed.

jobs:
  include:
    - &test_job
      stage: Test
      script: python runtest.py -a -t -j 2 || if [[ $? == 2 ]]; then true; else false; fi
      before_script: skip
      after_success: skip
      python: pypy3
      env:
        - PYVER=pypy3
        - PYTHON=pypy3
      sudo: required

    - <<: *test_job
      python: pypy
      env:
        - PYVER=pypy
        - PYTHON=pypy
      sudo: required

    - <<: *test_job
      python: 2.7
      env:
        - PYVER=27
        - PYTHON=2.7
      sudo: required

    - <<: *test_job
      python: 3.5
      env:
        - PYVER=35
        - PYTHON=3.5
      sudo: required

    - <<: *test_job
      python: 3.6
      env:
        - PYVER=36
        - PYTHON=3.6
      sudo: required

    - <<: *test_job
      python: 3.7
      env:
        - PYVER=37
        - PYTHON=3.7
      sudo: required
      dist: xenial  # required for Python >= 3.7

    - <<: *test_job
      python: 3.8-dev
      env:
        - PYVER=38
        - PYTHON=3.8
      sudo: required
      dist: xenial  # required for Python >= 3.7


    - &coverage_jobs
      stage: Coverage
      python: 2.7
      before_script:
        # install our own python so we can modify usercustomize.py
        - deactivate
        - sudo add-apt-repository -y ppa:deadsnakes/ppa
        - sudo apt-get update || true
        - sudo apt-get -y install python$PYTHON
        - wget https://bootstrap.pypa.io/get-pip.py
        - sudo -H python$PYTHON get-pip.py
        - which python$PYTHON
        - python$PYTHON --version
        - python$PYTHON -m pip install --user -U coverage codecov
        # set this ensure user sites are available
        - export PYTHONNOUSERSITE=
        # attempt to get a location where we can store the usercustomize.py file
        - python$PYTHON -m site
        - export PYSITEDIR=$(python$PYTHON -m site --user-site)
        - sudo mkdir -p $PYSITEDIR
        - sudo touch ${PYSITEDIR}/usercustomize.py
        - export COVERAGE_FILE=$PWD/.coverage
        # write the usercustomize.py file so all python processes use coverage and know where the config file is
        - echo "import os" | sudo tee --append ${PYSITEDIR}/usercustomize.py
        - echo "os.environ['COVERAGE_PROCESS_START'] = '$PWD/.coveragerc'" | sudo tee --append ${PYSITEDIR}/usercustomize.py
        - echo "import coverage" | sudo tee --append ${PYSITEDIR}/usercustomize.py
        - echo "coverage.process_startup()" | sudo tee --append ${PYSITEDIR}/usercustomize.py

      script:
        - export TOTAL_BUILD_JOBS=4
        # write the coverage config file
        - export COVERAGE_PROCESS_START=$PWD/.coveragerc
        - echo "[run]" >> .coveragerc
        - echo "source = $PWD/src" >> .coveragerc
        - echo "parallel = True" >> .coveragerc
        - printf "omit =\n\t*Tests.py\n\tsrc/test_*\n\tsrc/setup.py\n\n" >> .coveragerc
        - echo "[path]" >> .coveragerc
        - echo "source = $PWD" >> .coveragerc
        - echo "[report]" >> .coveragerc
        - printf "omit =\n\t*Tests.py\n\tsrc/test_*\n\tsrc/setup.py\n\n" >> .coveragerc
        # get a list of all the tests to split them up
        - python$PYTHON runtest.py -l -a > all_tests
        - let "start = ($(wc -l < all_tests) / ${TOTAL_BUILD_JOBS}) * (${BUILD_JOB_NUM} - 1)"; true;
        - let "end = ($(wc -l < all_tests) / ${TOTAL_BUILD_JOBS}) * ${BUILD_JOB_NUM}"
        - if (( ${BUILD_JOB_NUM} == ${TOTAL_BUILD_JOBS} )); then end=$(wc -l < all_tests); fi
        - if (( ${start} == 0 )); then start=1; fi
        - sed -n ${start},${end}p all_tests > build_tests
        - coverage run -p --rcfile=$PWD/.coveragerc runtest.py -f build_tests -j 2 || if [[ $? == 2 ]]; then true; else false; fi

      after_script:
        - coverage combine
        - coverage report
        - coverage xml -o coverage_xml.xml
        - codecov -X gcov --file coverage_xml.xml
        # not using coveralls but leaving it commented to
        # make it easy to re-enable
        #- python$PYTHON -m pip install --user -U coveralls
        #- coveralls --rcfile=$PWD/.coveragerc

      env:
        - PYVER=27
        - PYTHON=2.7
        - BUILD_JOB_NUM=1

    - <<: *coverage_jobs
      env:
        - PYVER=27
        - PYTHON=2.7
        - BUILD_JOB_NUM=2
    - <<: *coverage_jobs
      env:
        - PYVER=27
        - PYTHON=2.7
        - BUILD_JOB_NUM=3
    - <<: *coverage_jobs
      env:
        - PYVER=27
        - PYTHON=2.7
        - BUILD_JOB_NUM=4

    - <<: *coverage_jobs
      python: 3.6
      env:
        - PYVER=36
        - PYTHON=3.6
        - BUILD_JOB_NUM=1
    - <<: *coverage_jobs
      python: 3.6
      env:
        - PYVER=36
        - PYTHON=3.6
        - BUILD_JOB_NUM=2
    - <<: *coverage_jobs
      python: 3.6
      env:
        - PYVER=36
        - PYTHON=3.6
        - BUILD_JOB_NUM=3
    - <<: *coverage_jobs
      python: 3.6
      env:
        - PYVER=36
        - PYTHON=3.6
        - BUILD_JOB_NUM=4