Update handlers works; it also seems stable

telethon/tl/message_container.py

@@ -11,6 +11,12 @@ class MessageContainer(TLObject):
         self.content_related = False
         self.messages = messages
 
+    def to_dict(self, recursive=True):
+        return {
+            'content_related': self.content_related,
+            'messages': self.messages,
+        }
+
     def to_bytes(self):
         return struct.pack(
             '<Ii', MessageContainer.CONSTRUCTOR_ID, len(self.messages)
@@ -25,3 +31,9 @@ class MessageContainer(TLObject):
             inner_sequence = reader.read_int()
             inner_length = reader.read_int()
             yield inner_msg_id, inner_sequence, inner_length
+
+    def __str__(self):
+        return TLObject.pretty_format(self)
+
+    def stringify(self):
+        return TLObject.pretty_format(self, indent=0)

telethon/tl/tl_message.py

@@ -1,4 +1,5 @@
 import struct
+import logging
 
 from . import TLObject, GzipPacked
 
@@ -11,7 +12,23 @@ class TLMessage(TLObject):
         self.msg_id = session.get_new_msg_id()
         self.seq_no = session.generate_sequence(request.content_related)
         self.request = request
+        self.container_msg_id = None
+        logging.getLogger(__name__).debug(self)
+
+    def to_dict(self, recursive=True):
+        return {
+            'msg_id': self.msg_id,
+            'seq_no': self.seq_no,
+            'request': self.request,
+            'container_msg_id': self.container_msg_id,
+        }
 
     def to_bytes(self):
         body = GzipPacked.gzip_if_smaller(self.request)
         return struct.pack('<qii', self.msg_id, self.seq_no, len(body)) + body
+
+    def __str__(self):
+        return TLObject.pretty_format(self)
+
+    def stringify(self):
+        return TLObject.pretty_format(self, indent=0)

telethon/tl/tlobject.py

@@ -1,12 +1,10 @@
 from datetime import datetime
-from threading import Event
 
 
 class TLObject:
     def __init__(self):
         self.request_msg_id = 0  # Long
-
-        self.confirm_received = Event()
+        self.confirm_received = None
         self.rpc_error = None
 
         # These should be overrode