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# Hydrogram - Telegram MTProto API Client Library for Python
# Copyright (C) 2017-2023 Dan <https://github.com/delivrance>
# Copyright (C) 2023-present Hydrogram <https://hydrogram.org>
#
# This file is part of Hydrogram.
#
# Hydrogram 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.
#
# Hydrogram 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 Hydrogram. If not, see <http://www.gnu.org/licenses/>.
from __future__ import annotations
from typing import TYPE_CHECKING, Any, cast
from hydrogram.raw.core.list import List
from hydrogram.raw.core.tl_object import TLObject
from .bool import Bool, BoolFalse, BoolTrue
from .int import Int, Long
if TYPE_CHECKING:
from io import BytesIO
class Vector(bytes, TLObject):
ID = 0x1CB5C415
# Method added to handle the special case when a query returns a bare Vector (of Ints);
# i.e., RpcResult body starts with 0x1cb5c415 (Vector Id) - e.g., messages.GetMessagesViews.
@staticmethod
def read_bare(b: BytesIO, size: int) -> int | Any:
if size == 4:
e = int.from_bytes(b.read(4), "little")
b.seek(-4, 1)
if e in {BoolFalse.ID, BoolTrue.ID}:
return Bool.read(b)
return Int.read(b)
return Long.read(b) if size == 8 else TLObject.read(b)
@classmethod
def read(cls, data: BytesIO, t: Any = None, *args: Any) -> List:
count = Int.read(data)
left = len(data.read())
size = (left / count) if count else 0
data.seek(-left, 1)
return List(t.read(data) if t else Vector.read_bare(data, size) for _ in range(count))
def __new__(cls, value: list, t: Any = None) -> bytes: # type: ignore
return b"".join(
[Int(cls.ID, False), Int(len(value))]
+ [cast("bytes", t(i)) if t else i.write() for i in value]
)