mirror of
https://github.com/python-telegram-bot/python-telegram-bot.git
synced 2024-12-23 06:50:29 +01:00
40 lines
1.5 KiB
Python
40 lines
1.5 KiB
Python
#!/usr/bin/env python
|
|
#
|
|
# A library that provides a Python interface to the Telegram Bot API
|
|
# Copyright (C) 2015-2023
|
|
# Leandro Toledo de Souza <devs@python-telegram-bot.org>
|
|
#
|
|
# 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 helper functions related to parsing arguments for classes and methods.
|
|
|
|
Warning:
|
|
Contents of this module are intended to be used internally by the library and *not* by the
|
|
user. Changes to this module are not considered breaking changes and may not be documented in
|
|
the changelog.
|
|
"""
|
|
from typing import Optional, Sequence, Tuple, TypeVar
|
|
|
|
T = TypeVar("T")
|
|
|
|
|
|
def parse_sequence_arg(arg: Optional[Sequence[T]]) -> Tuple[T, ...]:
|
|
"""Parses an optional sequence into a tuple
|
|
|
|
Args:
|
|
arg (:obj:`Sequence`): The sequence to parse.
|
|
|
|
Returns:
|
|
:obj:`Tuple`: The sequence converted to a tuple or an empty tuple.
|
|
"""
|
|
return tuple(arg) if arg else ()
|