Telethon/telethon/tl/core/messagecontainer.py

48 lines
1.7 KiB
Python

from .tlmessage import TLMessage
from ..tlobject import TLObject
class MessageContainer(TLObject):
CONSTRUCTOR_ID = 0x73f1f8dc
# Maximum size in bytes for the inner payload of the container.
# Telegram will close the connection if the payload is bigger.
# The overhead of the container itself is subtracted.
MAXIMUM_SIZE = 1044456 - 8
# Maximum amount of messages that can't be sent inside a single
# container, inclusive. Beyond this limit Telegram will respond
# with BAD_MESSAGE 64 (invalid container).
#
# This limit is not 100% accurate and may in some cases be higher.
# However, sending up to 100 requests at once in a single container
# is a reasonable conservative value, since it could also depend on
# other factors like size per request, but we cannot know this.
MAXIMUM_LENGTH = 100
def __init__(self, messages):
self.messages = messages
def to_dict(self):
return {
'_': 'MessageContainer',
'messages':
[] if self.messages is None else [
None if x is None else x.to_dict() for x in self.messages
],
}
@classmethod
def from_reader(cls, reader):
# This assumes that .read_* calls are done in the order they appear
messages = []
for _ in range(reader.read_int()):
msg_id = reader.read_long()
seq_no = reader.read_int()
length = reader.read_int()
before = reader.tell_position()
obj = reader.tgread_object() # May over-read e.g. RpcResult
reader.set_position(before + length)
messages.append(TLMessage(msg_id, seq_no, obj))
return MessageContainer(messages)