dummypythonqt module for testing purposes.

src/modules/dummypythonqt/dummypythonqt.conf

+---
+syntax: "YAML map of anything"
+example:
+    whats_this: "module-specific configuration"
+    from_where: "dummypythonqt.conf"
+a_list:
+    - "item1"
+    - "item2"
+    - "item3"
+    - "item4"
+a_list_of_maps:
+    - name: "an Item"
+      contents:
+        - "an element"
+        - "another element"
+    - name: "another item"
+      contents:
+        - "not much"

src/modules/dummypythonqt/main.py

+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# === This file is part of Calamares - <http://github.com/calamares> ===
+#
+#   Copyright 2016, Teo Mrnjavac <teo@kde.org>
+#
+#   Calamares is free software: you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation, either version 3 of the License, or
+#   (at your option) any later version.
+#
+#   Calamares is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with Calamares. If not, see <http://www.gnu.org/licenses/>.
+
+import os
+from time import gmtime, strftime, sleep
+
+from PythonQt.QtGui import *
+
+
+def run():
+    """ Example Python jobmodule.
+
+    A Python jobmodule is a Python program which imports libcalamares and
+    has a function run() as entry point. run() must return None if everything
+    went well, or a tuple (str,str) with an error message and description
+    if something went wrong.
+
+    :return:
+    """
+    print("foo bar quux")
+    os.system("/bin/sh -c \"touch ~/calamares-dummypythonqt\"")
+    accumulator = strftime("%Y-%m-%d %H:%M:%S", gmtime()) + "\n"
+
+    box = QLabel(accumulator)
+    box.show()
+    print(accumulator)
+
+    # To indicate an error, return a tuple of:
+    # (message, detailed-error-message)
+    return None

src/modules/dummypythonqt/module.desc

+# Module metadata file for dummy pythonqt jobmodule
+# Syntax is YAML 1.2
+---
+type:       "view"
+name:       "dummypythonqt"
+interface:  "pythonqt"
+script:     "main.py"   #assumed relative to the current directory