56 lines
1.7 KiB
Python
56 lines
1.7 KiB
Python
# Pyrogram - Telegram MTProto API Client Library for Python
|
|
# Copyright (C) 2017-2021 Dan <https://github.com/delivrance>
|
|
#
|
|
# This file is part of Pyrogram.
|
|
#
|
|
# Pyrogram is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU Lesser General Public License as published
|
|
# by the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# Pyrogram is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU Lesser General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU Lesser General Public License
|
|
# along with Pyrogram. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
from io import BytesIO
|
|
from typing import Any
|
|
|
|
from ..tl_object import TLObject
|
|
|
|
|
|
class Bytes(bytes, TLObject):
|
|
@classmethod
|
|
def read(cls, data: BytesIO, *args: Any) -> bytes:
|
|
length = int.from_bytes(data.read(1), "little")
|
|
|
|
if length <= 253:
|
|
x = data.read(length)
|
|
data.read(-(length + 1) % 4)
|
|
else:
|
|
length = int.from_bytes(data.read(3), "little")
|
|
x = data.read(length)
|
|
data.read(-length % 4)
|
|
|
|
return x
|
|
|
|
def __new__(cls, value: bytes) -> bytes: # type: ignore
|
|
length = len(value)
|
|
|
|
if length <= 253:
|
|
return (
|
|
bytes([length])
|
|
+ value
|
|
+ bytes(-(length + 1) % 4)
|
|
)
|
|
else:
|
|
return (
|
|
bytes([254])
|
|
+ length.to_bytes(3, "little")
|
|
+ value
|
|
+ bytes(-length % 4)
|
|
)
|