- name: Validate python_version value
  assert:
    that:
      - (python_version|string).split(".") | length == 2
      - (python_version|string).split(".")[0]
      - (python_version|string).split(".")[1]
  when: python_version is defined

- name: Install python using system packages
  when:
    - python_version is defined
    - not python_use_pyenv
    - not python_use_stow
  block:
    - name: Install specified version of python interpreter and development files (DEB)
      when:
        - ansible_distribution == 'Debian' or ansible_distribution == 'Ubuntu'
      package:
        name:
          - 'python{{ python_version }}-dev'
        state: present
      become: yes

      # Ubuntu splits out the venv package, which is really the only
      # sane way to use a non-default-but-packaged version of python on
      # your system (i.e. via virtual environments setup with python<v>
      # -m venv).  Pull it in by default for python3.
    - name: Pull in venv package
      when:
        - ansible_distribution == 'Debian' or ansible_distribution == 'Ubuntu'
        - python_version is version('3', '>')
      package:
        name:
          - 'python{{ python_version }}-venv'
        state: present
      become: yes

    - name: Install specified version of python interpreter and development files (RPM)
      when:
        - ansible_distribution == 'CentOS' or ansible_distribution == 'RedHat'
      block:
        - name: Set default RPM package name
          set_fact:
            rpm_python_pkg_name: python{{ python_version | replace('.', '') }}-devel
        - name: Set RPM package name for CentOS/RHEL 9 and Python 3.9
          set_fact:
            rpm_python_pkg_name: python3-devel
          when:
            - ansible_distribution_major_version == '9'
            - python_version|string == '3.9'
        - name: Install RPM package
          package:
            name: "{{ rpm_python_pkg_name }}"
            state: present
          become: yes

- name: Install python using pyenv
  when:
    - python_version is defined
    - python_use_pyenv
  include_tasks: pyenv.yaml

- name: Activate python using stow
  when:
    - python_version is defined
    - python_use_stow
  include_tasks: stow.yaml