ansible/test/integration/targets/pip/tasks/no_setuptools.yml

- name: Get coverage version
  pip:
    name: coverage
  check_mode: true
  register: pip_coverage

- name: create a virtualenv for use without setuptools
  pip:
    name:
      - packaging
      # coverage is needed when ansible-test is invoked with --coverage
      # and using a custom ansible_python_interpreter below
      - '{{ pip_coverage.stdout_lines|select("match", "coverage==")|first }}'
    virtualenv: "{{ remote_tmp_dir }}/no_setuptools"

- name: Remove setuptools
  pip:
    name:
      - setuptools
      - pkg_resources  # This shouldn't be a thing, but ubuntu 20.04...
    virtualenv: "{{ remote_tmp_dir }}/no_setuptools"
    state: absent

- name: Ensure pkg_resources is gone
  command: "{{ remote_tmp_dir }}/no_setuptools/bin/python -c 'import pkg_resources'"
  register: result
  failed_when: result.rc == 0

- vars:
    ansible_python_interpreter: "{{ remote_tmp_dir }}/no_setuptools/bin/python"
  block:
    - name: Checkmode install pip
      pip:
        name: pip
        virtualenv: "{{ remote_tmp_dir }}/no_setuptools"
      check_mode: true
      register: pip_check_mode

    - assert:
        that:
          - pip_check_mode.stdout is contains "pip=="
          - pip_check_mode.stdout is not contains "setuptools=="

    - name: Install fallible
      pip:
        name: fallible==0.0.1a2
        virtualenv: "{{ remote_tmp_dir }}/no_setuptools"
      register: fallible_install