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61 lines
2.3 KiB
Python
61 lines
2.3 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) 2015-2024
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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 helper functions related to parsing arguments for classes and methods.
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Warning:
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Contents of this module are intended to be used internally by the library and *not* by the
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user. Changes to this module are not considered breaking changes and may not be documented in
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the changelog.
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"""
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from typing import Optional, Sequence, Tuple, TypeVar
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from telegram._linkpreviewoptions import LinkPreviewOptions
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from telegram._utils.types import ODVInput
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T = TypeVar("T")
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def parse_sequence_arg(arg: Optional[Sequence[T]]) -> Tuple[T, ...]:
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"""Parses an optional sequence into a tuple
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Args:
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arg (:obj:`Sequence`): The sequence to parse.
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Returns:
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:obj:`Tuple`: The sequence converted to a tuple or an empty tuple.
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"""
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return tuple(arg) if arg else ()
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def parse_lpo_and_dwpp(
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disable_web_page_preview: Optional[bool], link_preview_options: ODVInput[LinkPreviewOptions]
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) -> ODVInput[LinkPreviewOptions]:
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"""Wrapper around warn_about_deprecated_arg_return_new_arg. Takes care of converting
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disable_web_page_preview to LinkPreviewOptions.
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"""
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if disable_web_page_preview and link_preview_options:
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raise ValueError(
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"Parameters `disable_web_page_preview` and `link_preview_options` are mutually "
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"exclusive."
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)
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if disable_web_page_preview is not None:
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link_preview_options = LinkPreviewOptions(is_disabled=disable_web_page_preview)
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return link_preview_options
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