role poetry: fix for ubuntu 20

playbooks/roles/poetry/tasks/main.yml

@@ -1,11 +1,15 @@
 ---
+- name: Install newer python to ensure compatibility with poetry
+  include_role:
+    name: system_python
+
 - name: Install poetry system-wide
   when: poetry_system_wide
   include_tasks: system_wide.yml
 
 - name: Install poetry per user through runonce.d
   when: poetry_per_user
-  copy:
-    src: 10-poetry.sh
-    dest: /etc/runonce.d
+  template:
+    src: 10-poetry.sh.j2
+    dest: /etc/runonce.d/10-poetry.sh
     mode: "0755"

playbooks/roles/poetry/tasks/system_wide.yml

@@ -3,15 +3,11 @@
   get_url:
     url: https://install.python-poetry.org
     dest: /tmp/install-poetry.py
-    mode: "0777"
+    mode: "0755"
     timeout: 20
 
-- name: Install venv dependency
-  apt:
-    name: python3-venv
-
 - name: Install poetry system-wide
-  command: python3 /tmp/install-poetry.py
+  command: "{{ system_python_path }} /tmp/install-poetry.py"
   environment:
     POETRY_HOME: /opt/poetry
 

playbooks/roles/poetry/files/10-poetry.sh → playbooks/roles/poetry/templates/10-poetry.sh.j2

@@ -3,7 +3,7 @@
 #
 echo "Installing Python poetry"
 export POETRY_ROOT="~/.local/bin"
-curl -sSL https://install.python-poetry.org | python3 -
+curl -sSL https://install.python-poetry.org | {{ system_python_path }} -
 export PATH="$POETRY_ROOT:$PATH"
 #
 cat >> ~/.bashrc <<'INPUTEND'