Improve add_action implementation

Simplify code, reduce cyclomatic complexity from level C to A

Author: ramses44

qtpy/_utils.py

@@ -81,6 +81,13 @@ def add_action(self, *args, old_add_action):
     shortcut: QKeySequence | QKeySequence.StandardKey | str | int
     receiver: QObject
     member: bytes
+
+    # if args and isinstance(args[0], QIcon):
+    if any(map(lambda arg: isinstance(arg, QIcon), args[:1])):  # Better to use previous line instead of this
+        icon, *args = args
+    else:
+        icon = QIcon()
+
     if all(
         isinstance(arg, t)
         for arg, t in zip(
@@ -93,54 +100,12 @@ def add_action(self, *args, old_add_action):
             ],
         )
     ):
-        if len(args) == 2:
-            text, shortcut = args
-            action = old_add_action(self, text)
+        if len(args) >= 2:
+            text, shortcut, *args = args
+            action = old_add_action(self, icon, text, *args)
             action.setShortcut(shortcut)
-        elif len(args) == 3:
-            text, shortcut, receiver = args
-            action = old_add_action(self, text, receiver)
-            action.setShortcut(shortcut)
-        elif len(args) == 4:
-            text, shortcut, receiver, member = args
-            action = old_add_action(self, text, receiver, member, shortcut)
-        else:
-            return old_add_action(self, *args)
-        return action
-    if all(
-        isinstance(arg, t)
-        for arg, t in zip(
-            args,
-            [
-                QIcon,
-                str,
-                (QKeySequence, QKeySequence.StandardKey, str, int),
-                QObject,
-                bytes,
-            ],
-        )
-    ):
-        if len(args) == 3:
-            icon, text, shortcut = args
-            action = old_add_action(self, icon, text)
-            action.setShortcut(QKeySequence(shortcut))
-        elif len(args) == 4:
-            icon, text, shortcut, receiver = args
-            action = old_add_action(self, icon, text, receiver)
-            action.setShortcut(QKeySequence(shortcut))
-        elif len(args) == 5:
-            icon, text, shortcut, receiver, member = args
-            action = old_add_action(
-                self,
-                icon,
-                text,
-                receiver,
-                member,
-                QKeySequence(shortcut),
-            )
-        else:
-            return old_add_action(self, *args)
-        return action
+            return action
+
     return old_add_action(self, *args)