---
- name: Install PL/Python3 procedural language for PostgreSQL
  apt:
    name: postgresql-plpython3-{{ postgresql_version }}

- name: Set PYTHONPATH env var for PostgreSQL
  lineinfile:
    path: /etc/postgresql/{{ postgresql_version }}/main/environment
    regexp: "^PYTHONPATH="
    line: "PYTHONPATH='{{ venv_dir }}/lib/python{{ python_version }}/site-packages:{{ app_dir }}'"
  notify:
    - Restart postgresql