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# Pyrogram - Telegram MTProto API Client Library for Python

# Copyright (C) 2017-2019 Dan Tès <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 . import Int

from ..list import List

from ..tl_object import TLObject

class Vector(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(b: BytesIO) -> TLObject or int:

try:

return TLObject.read(b)

except KeyError:

b.seek(-4, 1)

return Int.read(b)

@staticmethod

def read(b: BytesIO, t: TLObject = None) -> list:

return List(

t.read(b) if t

else Vector._read(b)

for _ in range(Int.read(b))

)

def __new__(cls, value: list, t: TLObject = None) -> bytes:

return b"".join(

[Int(cls.ID, False), Int(len(value))]

+ [

t(i) if t

else i.write()

for i in value

]

)