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