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#!/usr/bin/env python
#
# A library that provides a Python interface to the Telegram Bot API
# Copyright (C) 2015-2024
# Leandro Toledo de Souza <[email protected]>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program 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 Public License for more details.
#
# You should have received a copy of the GNU Lesser Public License
# along with this program. If not, see [http://www.gnu.org/licenses/].
"""This module contains the LinkPreviewOptions class."""
from typing import Optional
from telegram._telegramobject import TelegramObject
from telegram._utils.defaultvalue import DEFAULT_NONE
from telegram._utils.types import JSONDict, ODVInput
class LinkPreviewOptions(TelegramObject):
"""
Describes the options used for link preview generation.
Objects of this class are comparable in terms of equality. Two objects of this class are
considered equal, if their :attr:`is_disabled`, :attr:`url`, :attr:`prefer_small_media`,
:attr:`prefer_large_media`, and :attr:`show_above_text` are equal.
.. versionadded:: 20.8
Args:
is_disabled (:obj:`bool`, optional): :obj:`True`, if the link preview is disabled.
url (:obj:`str`, optional): The URL to use for the link preview. If empty, then the first
URL found in the message text will be used.
prefer_small_media (:obj:`bool`, optional): :obj:`True`, if the media in the link preview
is supposed to be shrunk; ignored if the URL isn't explicitly specified or media size
change isn't supported for the preview.
prefer_large_media (:obj:`bool`, optional): :obj:`True`, if the media in the link preview
is supposed to be enlarged; ignored if the URL isn't explicitly specified or media
size change isn't supported for the preview.
show_above_text (:obj:`bool`, optional): :obj:`True`, if the link preview must be shown
above the message text; otherwise, the link preview will be shown below the message
text.
Attributes:
is_disabled (:obj:`bool`): Optional. :obj:`True`, if the link preview is disabled.
url (:obj:`str`): Optional. The URL to use for the link preview. If empty, then the first
URL found in the message text will be used.
prefer_small_media (:obj:`bool`): Optional. :obj:`True`, if the media in the link preview
is supposed to be shrunk; ignored if the URL isn't explicitly specified or media size
change isn't supported for the preview.
prefer_large_media (:obj:`bool`): Optional. :obj:`True`, if the media in the link preview
is supposed to be enlarged; ignored if the URL isn't explicitly specified or media size
change isn't supported for the preview.
show_above_text (:obj:`bool`): Optional. :obj:`True`, if the link preview must be shown
above the message text; otherwise, the link preview will be shown below the message
text.
"""
__slots__ = (
"is_disabled",
"prefer_large_media",
"prefer_small_media",
"show_above_text",
"url",
)
def __init__(
self,
is_disabled: ODVInput[bool] = DEFAULT_NONE,
url: ODVInput[str] = DEFAULT_NONE,
prefer_small_media: ODVInput[bool] = DEFAULT_NONE,
prefer_large_media: ODVInput[bool] = DEFAULT_NONE,
show_above_text: ODVInput[bool] = DEFAULT_NONE,
*,
api_kwargs: Optional[JSONDict] = None,
):
super().__init__(api_kwargs=api_kwargs)
# Optionals
self.is_disabled: ODVInput[bool] = is_disabled
self.url: ODVInput[str] = url
self.prefer_small_media: ODVInput[bool] = prefer_small_media
self.prefer_large_media: ODVInput[bool] = prefer_large_media
self.show_above_text: ODVInput[bool] = show_above_text
self._id_attrs = (
self.is_disabled,
self.url,
self.prefer_small_media,
self.prefer_large_media,
self.show_above_text,
)
self._freeze()
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