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158 lines
7 KiB
Python
158 lines
7 KiB
Python
#!/usr/bin/env python
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#
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# A library that provides a Python interface to the Telegram Bot API
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# Copyright (C) 2015-2022
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# Leandro Toledo de Souza <devs@python-telegram-bot.org>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser Public License as published by
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# 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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# This program 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 Public License for more details.
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#
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# You should have received a copy of the GNU Lesser Public License
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# along with this program. If not, see [http://www.gnu.org/licenses/].
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"""This module contains an object that represents a Telegram MessageEntity."""
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from typing import TYPE_CHECKING, ClassVar, List, Optional
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from telegram import constants
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from telegram._telegramobject import TelegramObject
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from telegram._user import User
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from telegram._utils import enum
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from telegram._utils.types import JSONDict
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if TYPE_CHECKING:
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from telegram import Bot
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class MessageEntity(TelegramObject):
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"""
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This object represents one special entity in a text message. For example, hashtags,
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usernames, URLs, etc.
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Objects of this class are comparable in terms of equality. Two objects of this class are
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considered equal, if their :attr:`type`, :attr:`offset` and :attr:`length` are equal.
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Args:
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type (:obj:`str`): Type of the entity. Can be :attr:`MENTION` (@username),
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:attr:`HASHTAG`, :attr:`BOT_COMMAND`,
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:attr:`URL`, :attr:`EMAIL`, :attr:`PHONE_NUMBER`, :attr:`BOLD` (bold text),
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:attr:`ITALIC` (italic text), :attr:`STRIKETHROUGH`, :attr:`SPOILER` (spoiler message),
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:attr:`CODE` (monowidth string), :attr:`PRE` (monowidth block), :attr:`TEXT_LINK` (for
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clickable text URLs), :attr:`TEXT_MENTION` (for users without usernames),
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:attr:`CUSTOM_EMOJI` (for inline custom emoji stickers).
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.. versionadded:: 20.0
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added inline custom emoji
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offset (:obj:`int`): Offset in UTF-16 code units to the start of the entity.
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length (:obj:`int`): Length of the entity in UTF-16 code units.
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url (:obj:`str`, optional): For :attr:`TEXT_LINK` only, url that will be opened after
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user taps on the text.
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user (:class:`telegram.User`, optional): For :attr:`TEXT_MENTION` only, the mentioned
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user.
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language (:obj:`str`, optional): For :attr:`PRE` only, the programming language of
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the entity text.
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custom_emoji_id (:obj:`str`, optional): For :attr:`CUSTOM_EMOJI` only, unique identifier
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of the custom emoji. Use :meth:`telegram.Bot.get_custom_emoji_stickers` to get full
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information about the sticker.
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.. versionadded:: 20.0
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Attributes:
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type (:obj:`str`): Type of the entity.
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offset (:obj:`int`): Offset in UTF-16 code units to the start of the entity.
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length (:obj:`int`): Length of the entity in UTF-16 code units.
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url (:obj:`str`): Optional. Url that will be opened after user taps on the text.
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user (:class:`telegram.User`): Optional. The mentioned user.
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language (:obj:`str`): Optional. Programming language of the entity text.
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custom_emoji_id (:obj:`str`): Optional. Unique identifier of the custom emoji.
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.. versionadded:: 20.0
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"""
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__slots__ = ("length", "url", "user", "type", "language", "offset", "custom_emoji_id")
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def __init__(
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self,
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type: str, # pylint: disable=redefined-builtin
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offset: int,
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length: int,
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url: str = None,
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user: User = None,
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language: str = None,
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custom_emoji_id: str = None,
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*,
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api_kwargs: JSONDict = None,
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):
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super().__init__(api_kwargs=api_kwargs)
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# Required
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self.type = enum.get_member(constants.MessageEntityType, type, type)
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self.offset = offset
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self.length = length
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# Optionals
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self.url = url
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self.user = user
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self.language = language
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self.custom_emoji_id = custom_emoji_id
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self._id_attrs = (self.type, self.offset, self.length)
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@classmethod
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def de_json(cls, data: Optional[JSONDict], bot: "Bot") -> Optional["MessageEntity"]:
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"""See :meth:`telegram.TelegramObject.de_json`."""
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data = cls._parse_data(data)
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if not data:
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return None
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data["user"] = User.de_json(data.get("user"), bot)
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return super().de_json(data=data, bot=bot)
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MENTION: ClassVar[str] = constants.MessageEntityType.MENTION
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""":const:`telegram.constants.MessageEntityType.MENTION`"""
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HASHTAG: ClassVar[str] = constants.MessageEntityType.HASHTAG
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""":const:`telegram.constants.MessageEntityType.HASHTAG`"""
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CASHTAG: ClassVar[str] = constants.MessageEntityType.CASHTAG
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""":const:`telegram.constants.MessageEntityType.CASHTAG`"""
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PHONE_NUMBER: ClassVar[str] = constants.MessageEntityType.PHONE_NUMBER
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""":const:`telegram.constants.MessageEntityType.PHONE_NUMBER`"""
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BOT_COMMAND: ClassVar[str] = constants.MessageEntityType.BOT_COMMAND
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""":const:`telegram.constants.MessageEntityType.BOT_COMMAND`"""
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URL: ClassVar[str] = constants.MessageEntityType.URL
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""":const:`telegram.constants.MessageEntityType.URL`"""
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EMAIL: ClassVar[str] = constants.MessageEntityType.EMAIL
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""":const:`telegram.constants.MessageEntityType.EMAIL`"""
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BOLD: ClassVar[str] = constants.MessageEntityType.BOLD
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""":const:`telegram.constants.MessageEntityType.BOLD`"""
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ITALIC: ClassVar[str] = constants.MessageEntityType.ITALIC
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""":const:`telegram.constants.MessageEntityType.ITALIC`"""
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CODE: ClassVar[str] = constants.MessageEntityType.CODE
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""":const:`telegram.constants.MessageEntityType.CODE`"""
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PRE: ClassVar[str] = constants.MessageEntityType.PRE
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""":const:`telegram.constants.MessageEntityType.PRE`"""
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TEXT_LINK: ClassVar[str] = constants.MessageEntityType.TEXT_LINK
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""":const:`telegram.constants.MessageEntityType.TEXT_LINK`"""
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TEXT_MENTION: ClassVar[str] = constants.MessageEntityType.TEXT_MENTION
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""":const:`telegram.constants.MessageEntityType.TEXT_MENTION`"""
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UNDERLINE: ClassVar[str] = constants.MessageEntityType.UNDERLINE
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""":const:`telegram.constants.MessageEntityType.UNDERLINE`"""
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STRIKETHROUGH: ClassVar[str] = constants.MessageEntityType.STRIKETHROUGH
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""":const:`telegram.constants.MessageEntityType.STRIKETHROUGH`"""
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SPOILER: ClassVar[str] = constants.MessageEntityType.SPOILER
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""":const:`telegram.constants.MessageEntityType.SPOILER`
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.. versionadded:: 13.10
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"""
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CUSTOM_EMOJI: ClassVar[str] = constants.MessageEntityType.CUSTOM_EMOJI
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""":const:`telegram.constants.MessageEntityType.CUSTOM_EMOJI`
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.. versionadded:: 20.0
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"""
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ALL_TYPES: ClassVar[List[str]] = list(constants.MessageEntityType)
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"""List[:obj:`str`]: A list of all available message entity types."""
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