Allow sending several requests at once through new MessageContainer

telethon/tl/message_container.py

@@ -0,0 +1,41 @@
+from . import TLObject
+from ..extensions import BinaryWriter
+
+
+class MessageContainer(TLObject):
+    constructor_id = 0x8953ad37
+
+    # TODO Currently it's a bit of a hack, since the container actually holds
+    # messages (message id, sequence number, request body), not requests.
+    # Probably create a proper "Message" class
+    def __init__(self, session, requests):
+        super().__init__()
+        self.content_related = False
+        self.session = session
+        self.requests = requests
+
+    def on_send(self, writer):
+        writer.write_int(0x73f1f8dc, signed=False)
+        writer.write_int(len(self.requests))
+        for x in self.requests:
+            with BinaryWriter() as aux:
+                x.on_send(aux)
+                x.request_msg_id = self.session.get_new_msg_id()
+
+                writer.write_long(x.request_msg_id)
+                writer.write_int(
+                    self.session.generate_sequence(x.content_related)
+                )
+                packet = aux.get_bytes()
+                writer.write_int(len(packet))
+                writer.write(packet)
+
+    @staticmethod
+    def iter_read(reader):
+        reader.read_int(signed=False)  # code
+        size = reader.read_int()
+        for _ in range(size):
+            inner_msg_id = reader.read_long()
+            inner_sequence = reader.read_int()
+            inner_length = reader.read_int()
+            yield inner_msg_id, inner_sequence, inner_length