✨ NEW: add python_install_tk option (#4)

Author: chrisjsewell

README.md

@@ -62,6 +62,19 @@ pip install tox
 tox
 ```
 
+For testing specific distributions and python versions, .e.g.:
+
+```bash
+MOLECULE_DISTRO=centos8 MOLECULE_PYTHON_VERSION=3.8 tox
+```
+
+To manually inspect a container, you can run the converge and destroy steps individually:
+
+```bash
+tox converge
+tox destroy
+```
+
 ## Code style
 
 Code style is formatted and linted with [pre-commit](https://pre-commit.com/).

defaults/main.yml

@@ -6,3 +6,6 @@ python_venv_packages:
 - pip
 - setuptools
 - wheel
+
+# Install the Tk GUI toolkit (see https://docs.python.org/3/library/tkinter.html)
+python_install_tk: false

molecule/default/converge.yml

@@ -1,9 +1,5 @@
 - name: Converge
   hosts: all
 
-  vars:
-  - run_tests: true
-  - ansible_python_interpreter: /usr/bin/python3
-
   roles:
   - role: "marvel-nccr.python"

molecule/default/molecule.yml

@@ -31,5 +31,8 @@ provisioner:
     hosts:
       all:
         vars:
+          ansible_python_interpreter: /usr/bin/python3
           python_base_version: "${MOLECULE_PYTHON_VERSION:-3.7}"
           python_venv_path: /tmp/test_venv
+          python_install_tk: true
+          run_tests: true

tasks/setup-debian.yml

@@ -30,6 +30,15 @@
 - name: Install distutils
   when: ansible_distribution_major_version|int == 18
   become: true
+  become_user: "{{ root_user }}"
   apt:
     name:
     - python{{ python_base_version }}-distutils
+
+- name: Install Tk GUI toolkit for python{{ python_base_version }}
+  when: python_install_tk|bool
+  become: true
+  become_user: "{{ root_user }}"
+  apt:
+    name:
+    - python{{ python_base_version }}-tk

tasks/setup-redhat.yml

@@ -6,3 +6,20 @@
     name:
     - python{{ python_base_version | replace('.', '') }}
     - wget
+
+- name: install tkinter
+  when: python_install_tk|bool
+  block:
+  - name: Install Tk GUI toolkit for python{{ python_base_version | replace('.', '') }}
+    become: true
+    become_user: "{{ root_user }}"
+    yum:
+      name:
+      - python{{ python_base_version | replace('.', '') }}-tkinter  # TODO this may not be correct
+  rescue:
+  - name: Install Tk GUI toolkit for python3 (fallback)
+    become: true
+    become_user: "{{ root_user }}"
+    yum:
+      name:
+      - python3-tkinter