Update to layer 68

telethon/errors/rpc_errors_400.py

@@ -44,6 +44,14 @@ class ChatIdInvalidError(BadRequestError):
         )
 
 
+class ConnectionLangPackInvalid(BadRequestError):
+    def __init__(self, **kwargs):
+        super(Exception, self).__init__(
+            self,
+            'The specified language pack is not valid.'
+        )
+
+
 class ConnectionLayerInvalidError(BadRequestError):
     def __init__(self, **kwargs):
         super(Exception, self).__init__(

telethon/telegram_bare_client.py

@@ -116,6 +116,8 @@ class TelegramBareClient:
                 system_version=self.session.system_version,
                 app_version=self.session.app_version,
                 lang_code=self.session.lang_code,
+                system_lang_code=self.session.system_lang_code,
+                lang_pack='',  # "langPacks are for official apps only"
                 query=query)
 
             result = self.invoke(

telethon/telegram_client.py

@@ -65,6 +65,7 @@ class TelegramClient(TelegramBareClient):
     def __init__(self, session, api_id, api_hash, proxy=None,
                  device_model=None, system_version=None,
                  app_version=None, lang_code=None,
+                 system_lang_code=None,
                  timeout=timedelta(seconds=5)):
         """Initializes the Telegram client with the specified API ID and Hash.
 
@@ -74,10 +75,11 @@ class TelegramClient(TelegramBareClient):
            session - remember to '.log_out()'!
 
            Default values for the optional parameters if left as None are:
-             device_model   = platform.node()
-             system_version = platform.system()
-             app_version    = TelegramClient.__version__
-             lang_code      = 'en'
+             device_model     = platform.node()
+             system_version   = platform.system()
+             app_version      = TelegramClient.__version__
+             lang_code        = 'en'
+             system_lang_code = lang_code
         """
         if not api_id or not api_hash:
             raise PermissionError(
@@ -118,6 +120,9 @@ class TelegramClient(TelegramBareClient):
         if lang_code:
             self.session.lang_code = lang_code
 
+        self.session.system_lang_code = \
+            system_lang_code if system_lang_code else self.session.lang_code
+
         # Cache "exported" senders 'dc_id: MtProtoSender' and
         # their corresponding sessions not to recreate them all
         # the time since it's a (somewhat expensive) process.

telethon/tl/session.py

@@ -107,6 +107,8 @@ class JsonSession:
             self.system_version = session.system_version
             self.app_version = session.app_version
             self.lang_code = session.lang_code
+            self.system_lang_code = session.system_lang_code
+            self.lang_pack = session.lang_pack
 
         else:  # str / None
             self.session_user_id = session_user_id
@@ -115,6 +117,8 @@ class JsonSession:
             self.system_version = platform.system()
             self.app_version = '1.0'  # note: '0' will provoke error
             self.lang_code = 'en'
+            self.system_lang_code = self.lang_code
+            self.lang_pack = ''
 
         # Cross-thread safety
         self._lock = Lock()