tildes/ansible/roles/python/tasks/main.yml

---
- name: Install Python and dependencies needed by packages
  apt:
    name:
      - python{{ python_version }}
      - python{{ python_version }}-venv
      - libgit2-dev

- name: Create dir for venvs
  file:
    path: /opt/venvs
    state: directory
    owner: "{{ app_username }}"
    group: "{{ app_username }}"
    mode: 0755

- name: Install packages needed for compiling psycopg2
  apt:
    name:
      - gcc
      - libpq-dev

- name: Create venv
  become_user: "{{ app_username }}"
  command:
    cmd: python{{ python_version }} -m venv {{ venv_dir }}
    creates: "{{ venv_dir }}"

- name: Check installed packages in venv
  command:
    cmd: "{{ bin_dir }}/pip freeze"
  register: pip_freeze
  changed_when: false

- name: Install Python packages into venv
  become_user: "{{ app_username }}"
  pip:
    executable: "{{ bin_dir }}/pip"
    requirements: "{{ app_dir }}/{{ pip_requirements_filename }}"

- name: Install Tildes into venv as editable
  become_user: "{{ app_username }}"
  pip:
    executable: "{{ bin_dir }}/pip"
    name: "{{ app_dir }}"
    editable: true
  when: "'-e '+app_dir not in pip_freeze.stdout_lines"