Added LabelTooLongError() and changed names

classes/holo_user.py

@@ -68,6 +68,11 @@ class UserInvalidError(Exception):
         self.user = user
         super().__init__(f"Could not find HoloUser by using {type(self.user)} as an input type")
 
+class LabelTooLongError(Exception):
+    def __init__(self, label: str) -> None:
+        self.label = label
+        super().__init__(f"Could not set label to '{label}' because it is {len(label)} characters long (16 is maximum)")
+
 class HoloUser():
     """This object represents a user of HoloChecker bot.
     It is primarily used to interact with a database in a more python-friendly way,
@@ -270,20 +275,22 @@ class HoloUser():
                 logWrite(f"Could not notify admin about failure when sending message! Admin has never interacted with bot!")
             await context.reply_text(locale("message_error", "message"), quote=should_quote(context))
 
-    async def set_label(self, chat: Chat, label: str) -> None:
+    async def label_set(self, chat: Chat, label: str) -> None:
         """Set label in destination group
 
         ### Args:
             * chat (`Chat`): Telegram chat
             * label (`str`): Label you want to set
         """        
+        if len(label) > 16:
+            raise LabelTooLongError(label)
         self.label = label
         self.set("label", label)
         await app.promote_chat_member(configGet("destination_group"), self.id)
         if not await isAnAdmin(self.id):
             await app.set_administrator_title(configGet("destination_group"), self.id, label)
 
-    async def reset_label(self, chat: Chat) -> None:
+    async def label_reset(self, chat: Chat) -> None:
         """Reset label in destination group
 
         ### Args: