Taskfile.yml

# https://taskfile.dev/
version: "3"

vars:
  PYTHON_BIN: python3.7
  VENVS: .venvs/
  FLIT_ENV:   "{{.VENVS}}flit"
  TEST_ENV: "{{.VENVS}}test"
  TESTS_PATH: tests/

env:
  FLIT_ROOT_INSTALL: "1"

tasks:
  venv:create:
    status:
      - "test -f {{.ENV}}/bin/activate"
    cmds:
      - "{{.PYTHON_BIN}} -m venv {{.ENV}}"
      - "{{.ENV}}/bin/python3 -m pip install -U pip setuptools wheel"
  flit:init:
    status:
      - "test -f {{.FLIT_ENV}}/bin/flit"
    deps:
      - task: venv:create
        vars:
          ENV: "{{.FLIT_ENV}}"
    cmds:
      - "{{.FLIT_ENV}}/bin/python3 -m pip install flit"
  flit:install:
    sources:
      - pyproject.toml
      - "{{.ENV}}/bin/activate"
    deps:
      - flit:init
      - task: venv:create
        vars:
          ENV: "{{.ENV}}"
    cmds:
      - >
        {{.FLIT_ENV}}/bin/flit install
        --python={{.ENV}}/bin/python3
        --deps=production
        --symlink
        --extras={{.EXTRA}}

  pytest:run:
    deps:
      - task: flit:install
        vars:
          ENV: "{{.TEST_ENV}}"
          EXTRA: test
    cmds:
      - "{{.TEST_ENV}}/bin/pytest {{.ARGS}} {{.TESTS_PATH}}"