Telethon/telethon/tl/message_container.py

import struct

from . import TLObject


class MessageContainer(TLObject):
    CONSTRUCTOR_ID = 0x73f1f8dc

    def __init__(self, messages):
        super().__init__()
        self.content_related = False
        self.messages = messages

    def to_bytes(self):
        return struct.pack(
            '<Ii', MessageContainer.CONSTRUCTOR_ID, len(self.messages)
        ) + b''.join(m.to_bytes() for m in self.messages)

    @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