.gitlab-ci.yml

# define some common functions
.define-functions:
  # define the start of a collapsible section in the job log
  - section_start() { echo -e "\e[0Ksection_start:`date +%s`:$1\r\e[0K$2"; }
  # define the end of a collapsible section in the job log
  - section_end() { echo -e "\e[0Ksection_end:`date +%s`:$1\r\e[0K"; }
  # print a variable
  - print_var() { echo -e "${TXT_CYAN}${1}=${!1}${TXT_CLEAR}"; }
  # set a variable and echo its assignment
  - set_and_print() { eval $1=$2; print_var $1; }

# create the main virtualenv and install the needed packages
.setup-venv:
  - section_start section_venv[collapsed=true] "Setting up the virtual env"
  - cd "${PYTHON_PROJECT_DIR}"
  - CI_VENV="$(pwd)/venv"
  - rm -rf "$CI_VENV"
  - python -mvenv "$CI_VENV"
  - source "$CI_VENV/bin/activate"
  - python -mpip install --upgrade pip setuptools wheel tox
  - if [[ -n $PIP_PACKAGES ]]; then python -mpip install --upgrade $PIP_PACKAGES; fi
  - section_end section_venv

.tox-template:
  stage: test
  tags:
    - docker-runner
  interruptible: true
  before_script:
    - if [[ -z $TOXENV ]]; then echo 'Please set the $TOXENV variable'; exit 1; fi
    - !reference [.define-functions]
    - !reference [.setup-venv]
  script:
    - section_start section_tox "Running Tox"
    - python -mtox $TOX_OPTIONS
    - section_end section_tox

py39:
  image: python:3.9
  extends: .tox-template
  variables:
    # Directory containing setup.py and tox.ini
    PYTHON_PROJECT_DIR: .
    TOXENV: py39