Lint picking

lib/preferences.py

@@ -1,41 +1,42 @@
 import json
 import os
+from typing import Any, Dict, List, Optional, Type, cast
 
 from PyQt6.QtCore import Qt, pyqtSlot
 from PyQt6.QtMultimedia import QMediaDevices
-from PyQt6.QtWidgets import QAbstractItemView, QDialog, QListWidgetItem
+from PyQt6.QtWidgets import QAbstractItemView, QDialog, QListWidgetItem, QWidget
 
 from ui.Preferences import Ui_Dialog
 
 
 class Preferences(QDialog, Ui_Dialog):
     _instance = None
+    preferences: Dict[str, str | List[str]]
 
-    def __new__(cls):
+    def __new__(cls: Type[Preferences]) -> Preferences:
         if cls._instance:
             return cls._instance
         cls._instance = super(Preferences, cls).__new__(cls)
         return cls._instance
 
     @pyqtSlot(int)
-    def done(self, r):
+    def done(self, r: int) -> None:
         self.hide()
         super().done(r)
         return
 
     @pyqtSlot()
-    def exec(self):
+    def exec(self) -> int:
         self.show()
-        super().exec()
-        return
+        return super().exec()
 
     @pyqtSlot()
-    def open(self):
+    def open(self) -> None:
         self.show()
         super().open()
         return
 
-    def __init__(self, *args, **kwargs):
+    def __init__(self, *args: Any, **kwargs: Any) -> None:
         super(Preferences, self).__init__(*args, **kwargs)
         self.setupUi(self)
         self.hide()
@@ -61,7 +62,7 @@ class Preferences(QDialog, Ui_Dialog):
         self.setCurrent()
         return
 
-    def setCurrent(self):
+    def setCurrent(self) -> None:
         if os.path.exists("preferences.json"):
             with open("preferences.json", "r") as f:
                 self.preferences = json.load(f)
@@ -94,12 +95,14 @@ class Preferences(QDialog, Ui_Dialog):
             self.phoneticsCombo.setCurrentIndex(index)
         return
 
-    def get(self, name: str = None):
+    def get(
+        self, name: Optional[str] = None
+    ) -> str | List[str] | Dict[str, str | List[str]]:
         if not name:
             return self.preferences
         return self.preferences[name]
 
-    def accept(self):
+    def accept(self) -> None:
         self.preferences["readerFont"] = self.readerCombo.currentFont().family()
         self.preferences[
             "phoneticFont"