Another approach to bot id

telebot/__init__.py

@@ -152,9 +152,14 @@ class TeleBot:
     :param allow_sending_without_reply: Default value for allow_sending_without_reply, defaults to None
     :type allow_sending_without_reply: :obj:`bool`, optional
     
-
     :param colorful_logs: Outputs colorful logs
     :type colorful_logs: :obj:`bool`, optional
+
+    :param validate_token: Validate token, defaults to True;
+    :type validate_token: :obj:`bool`, optional
+
+    :raises ImportError: If coloredlogs module is not installed and colorful_logs is True
+    :raises ValueError: If token is invalid
     """
 
     def __init__(
@@ -169,7 +174,7 @@ def __init__(
             protect_content: Optional[bool]=None,
             allow_sending_without_reply: Optional[bool]=None,
             colorful_logs: Optional[bool]=False,
-            token_check: Optional[bool]=True
+            validate_token: Optional[bool]=True
     ):
 
         # update-related
@@ -186,11 +191,12 @@ def __init__(
         self.allow_sending_without_reply = allow_sending_without_reply
         self.webhook_listener = None
         self._user = None
+        self.bot_id: int = None
 
-        # token check
-        if token_check:
-            self._user = self.get_me()
-            self.bot_id = self._user.id
+        if validate_token:
+            util.validate_token(self.token)
+
+        self.bot_id = util.extract_bot_id(self.token) # subject to change in future, unspecified
 
         # logs-related
         if colorful_logs:
@@ -286,9 +292,7 @@ def __init__(
         self.threaded = threaded
         if self.threaded:
             self.worker_pool = util.ThreadPool(self, num_threads=num_threads)
-
-
-
+
     @property
     def user(self) -> types.User:
         """

telebot/async_telebot.py

@@ -117,8 +117,11 @@ class AsyncTeleBot:
     :param colorful_logs: Outputs colorful logs
     :type colorful_logs: :obj:`bool`, optional
 
-    :param token_check: Check token on start
-    :type token_check: :obj:`bool`, optional, defaults to True
+    :param validate_token: Validate token, defaults to True;
+    :type validate_token: :obj:`bool`, optional
+
+    :raises ImportError: If coloredlogs module is not installed and colorful_logs is True
+    :raises ValueError: If token is invalid
     """
 
     def __init__(self, token: str, parse_mode: Optional[str]=None, offset: Optional[int]=None,
@@ -129,7 +132,7 @@ def __init__(self, token: str, parse_mode: Optional[str]=None, offset: Optional[
                 protect_content: Optional[bool]=None,
                 allow_sending_without_reply: Optional[bool]=None,
                 colorful_logs: Optional[bool]=False,
-                token_check: Optional[bool]=True) -> None:
+                validate_token: Optional[bool]=True) -> None:
 
         # update-related
         self.token = token
@@ -186,15 +189,14 @@ def __init__(self, token: str, parse_mode: Optional[str]=None, offset: Optional[
         self.middlewares = []
 
         self._user = None # set during polling
-        self.bot_id = None
+        self.bot_id: int = None
 
-        if token_check:
-            result = apihelper.get_me(token)
-            self._user = types.User.de_json(result)
-            self.bot_id = self._user.id
+        if validate_token:
+            util.validate_token(self.token)
+
+        self.bot_id: int = util.extract_bot_id(self.token) # subject to change, unspecified
 
 
-
     @property
     def user(self):
         return self._user

telebot/util.py

@@ -686,6 +686,22 @@ def validate_web_app_data(token: str, raw_init_data: str):
     return hmac.new(secret_key.digest(), data_check_string.encode(), sha256).hexdigest() == init_data_hash
 
 
+def validate_token(token) -> bool:        
+    if any(char.isspace() for char in token):
+        raise ValueError('Token must not contain spaces')
+
+    if ':' not in token:
+        raise ValueError('Token must contain a colon')
+
+    if len(token.split(':')) != 2:
+        raise ValueError('Token must contain exactly 2 parts separated by a colon')
+
+    return True
+
+def extract_bot_id(token) -> str:
+    return int(token.split(':')[0])
+
+
 __all__ = (
     "content_type_media", "content_type_service", "update_types",
     "WorkerThread", "AsyncTask", "CustomRequestResponse",
@@ -696,5 +712,5 @@ def validate_web_app_data(token: str, raw_init_data: str):
     "split_string", "smart_split", "escape", "user_link", "quick_markup",
     "antiflood", "parse_web_app_data", "validate_web_app_data",
     "or_set", "or_clear", "orify", "OrEvent", "per_thread",
-    "webhook_google_functions"
+    "webhook_google_functions", "validate_token", "extract_bot_id"
 )

tests/test_handler_backends.py

@@ -19,7 +19,7 @@
 
 @pytest.fixture()
 def telegram_bot():
-    return telebot.TeleBot('', threaded=False, token_check=False)
+    return telebot.TeleBot('', threaded=False, validate_token=False)
 
 
 @pytest.fixture