main function of settings gui moved to __init__.py

pype/tools/settings/__init__.py

@@ -1,7 +1,31 @@
+import sys
+from Qt import QtWidgets, QtGui
+
 from .settings import style, MainWidget
 
 
+def main(user_role=None):
+    if user_role is None:
+        user_role = "artist"
+    else:
+        user_role_low = user_role.lower()
+        allowed_roles = ("developer", "manager", "artist")
+        if user_role_low not in allowed_roles:
+            raise ValueError("Invalid user role \"{}\". Expected {}".format(
+                user_role, ", ".join(allowed_roles)
+            ))
+
+    app = QtWidgets.QApplication(sys.argv)
+    app.setWindowIcon(QtGui.QIcon(style.app_icon_path()))
+
+    widget = MainWidget(user_role)
+    widget.show()
+
+    sys.exit(app.exec_())
+
+
 __all__ = (
     "style",
-    "MainWidget"
+    "MainWidget",
+    "main"
 )

pype/tools/settings/__main__.py

@@ -1,23 +1,7 @@
-import sys
-
-import settings
-from Qt import QtWidgets, QtGui
+try:
+    from . import main
+except ImportError:
+    from settings import main
 
 
-if __name__ == "__main__":
-    app = QtWidgets.QApplication(sys.argv)
-    app.setWindowIcon(QtGui.QIcon(settings.style.app_icon_path()))
-
-    _develop = "-d" in sys.argv or "--develop" in sys.argv
-    _user = "-m" in sys.argv or "--manager" in sys.argv
-    if _develop:
-        user_role = "developer"
-    elif _user:
-        user_role = "manager"
-    else:
-        user_role = "artist"
-
-    widget = settings.MainWidget(user_role)
-    widget.show()
-
-    sys.exit(app.exec_())
+main()