Make is_connected a property

This is consistent with the rest of is_ properties

readthedocs/misc/v2-migration-guide.rst

@@ -976,3 +976,5 @@ Now the URL is returned. You can still use ``webbrowser.open`` to get the old be
 todo update send_message and send_file docs (well review all functions)
 
 album overhaul. use a list of Message instead.
+
+is_connected is now a property (consistent with the rest of ``is_`` properties)

telethon/_client/auth.py

@@ -71,7 +71,7 @@ def start(
 async def _start(
         self: 'TelegramClient', phone, password, bot_token,
         code_callback, first_name, last_name, max_attempts):
-    if not self.is_connected():
+    if not self.is_connected:
         await self.connect()
 
     # Rather than using `is_user_authorized`, use `get_me`. While this is

telethon/_client/telegrambaseclient.py

@@ -308,12 +308,29 @@ async def connect(self: 'TelegramClient') -> None:
 
     self._updates_handle = asyncio.create_task(self._update_loop())
 
+
 def is_connected(self: 'TelegramClient') -> bool:
-    sender = getattr(self, '_sender', None)
+    return self._sender.is_connected()
-    return sender and sender.is_connected()
+
 
 async def disconnect(self: 'TelegramClient'):
-    return await _disconnect_coro(self)
+    await _disconnect(self)
+
+    # Also clean-up all exported senders because we're done with them
+    async with self._borrow_sender_lock:
+        for state, sender in self._borrowed_senders.values():
+            # Note that we're not checking for `state.should_disconnect()`.
+            # If the user wants to disconnect the client, ALL connections
+            # to Telegram (including exported senders) should be closed.
+            #
+            # Disconnect should never raise, so there's no try/except.
+            await sender.disconnect()
+            # Can't use `mark_disconnected` because it may be borrowed.
+            state._connected = False
+
+        # If any was borrowed
+        self._borrowed_senders.clear()
+
 
 def set_proxy(self: 'TelegramClient', proxy: typing.Union[tuple, dict]):
     init_proxy = None
@@ -333,24 +350,6 @@ def set_proxy(self: 'TelegramClient', proxy: typing.Union[tuple, dict]):
         else:
             connection._proxy = proxy
 
-async def _disconnect_coro(self: 'TelegramClient'):
-    await _disconnect(self)
-
-    # Also clean-up all exported senders because we're done with them
-    async with self._borrow_sender_lock:
-        for state, sender in self._borrowed_senders.values():
-            # Note that we're not checking for `state.should_disconnect()`.
-            # If the user wants to disconnect the client, ALL connections
-            # to Telegram (including exported senders) should be closed.
-            #
-            # Disconnect should never raise, so there's no try/except.
-            await sender.disconnect()
-            # Can't use `mark_disconnected` because it may be borrowed.
-            state._connected = False
-
-        # If any was borrowed
-        self._borrowed_senders.clear()
-
 
 async def _disconnect(self: 'TelegramClient'):
     """

telethon/_client/telegramclient.py

@@ -2637,7 +2637,7 @@ class TelegramClient:
                     print('Failed to connect')
         """
 
-    @forward_call(telegrambaseclient.is_connected)
+    @property
     def is_connected(self: 'TelegramClient') -> bool:
         """
         Returns `True` if the user has connected.
@@ -2647,9 +2647,11 @@ class TelegramClient:
         Example
             .. code-block:: python
 
-                while client.is_connected():
+                # This is a silly example - run_until_disconnected is often better suited
+                while client.is_connected:
                     await asyncio.sleep(1)
         """
+        return telegrambaseclient.is_connected(self)
 
     @forward_call(telegrambaseclient.disconnect)
     def disconnect(self: 'TelegramClient'):

telethon/_client/updates.py

@@ -168,7 +168,7 @@ async def catch_up(self: 'TelegramClient'):
 async def _update_loop(self: 'TelegramClient'):
     try:
         updates_to_dispatch = deque()
-        while self.is_connected():
+        while self.is_connected:
             if updates_to_dispatch:
                 await _dispatch(self, *updates_to_dispatch.popleft())
                 continue

telethon_examples/gui.py

@@ -228,7 +228,7 @@ class App(tkinter.Tk):
         """
         Sends a message. Does nothing if the client is not connected.
         """
-        if not self.cl.is_connected():
+        if not self.cl.is_connected:
             return
 
         # The user needs to configure a chat where the message should be sent.