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be279ce3f5
This simplifies the flow instead of having separate request/body attributes, and also means that BinaryReader.tgread_object() can be used without so many special cases.
60 lines
2.0 KiB
Python
60 lines
2.0 KiB
Python
import asyncio
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import struct
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from .gzippacked import GzipPacked
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from .. import TLObject
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from ..functions import InvokeAfterMsgRequest
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class TLMessage(TLObject):
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"""
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https://core.telegram.org/mtproto/service_messages#simple-container.
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Messages are what's ultimately sent to Telegram:
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message msg_id:long seqno:int bytes:int body:bytes = Message;
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Each message has its own unique identifier, and the body is simply
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the serialized request that should be executed on the server. Then
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Telegram will, at some point, respond with the result for this msg.
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Thus it makes sense that requests and their result are bound to a
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sent `TLMessage`, and this result can be represented as a `Future`
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that will eventually be set with either a result, error or cancelled.
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"""
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def __init__(self, msg_id, seq_no, obj=None, after_id=0):
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super().__init__()
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self.msg_id = msg_id
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self.seq_no = seq_no
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self.obj = obj
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self.container_msg_id = None
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self.future = asyncio.Future()
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# After which message ID this one should run. We do this so
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# InvokeAfterMsgRequest is transparent to the user and we can
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# easily invoke after while confirming the original request.
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self.after_id = after_id
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def to_dict(self, recursive=True):
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return {
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'msg_id': self.msg_id,
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'seq_no': self.seq_no,
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'obj': self.obj,
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'container_msg_id': self.container_msg_id,
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'after_id': self.after_id
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}
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def __bytes__(self):
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if self.after_id is None:
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body = GzipPacked.gzip_if_smaller(self.obj)
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else:
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body = GzipPacked.gzip_if_smaller(
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InvokeAfterMsgRequest(self.after_id, self.obj))
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return struct.pack('<qii', self.msg_id, self.seq_no, len(body)) + body
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def __str__(self):
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return TLObject.pretty_format(self)
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def stringify(self):
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return TLObject.pretty_format(self, indent=0)
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