python-telegram-bot/telegram/utils/types.py
Bibo-Joshi c440c255a7 Clear Up Import Policy (#2671)
Co-authored-by: Harshil <37377066+harshil21@users.noreply.github.com>
2022-05-06 18:19:11 +02:00

63 lines
2.3 KiB
Python

#!/usr/bin/env python
#
# A library that provides a Python interface to the Telegram Bot API
# Copyright (C) 2015-2022
# 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 custom typing aliases for internal use within the library.
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 pathlib import Path
from typing import (
IO,
TYPE_CHECKING,
Any,
Dict,
List,
Optional,
Tuple,
TypeVar,
Union,
)
if TYPE_CHECKING:
from telegram import InputFile # noqa: F401
from telegram.utils.defaultvalue import DefaultValue # noqa: F401
FileLike = Union[IO, 'InputFile']
"""Either an open file handler or a :class:`telegram.InputFile`."""
FileInput = Union[str, bytes, FileLike, Path]
"""Valid input for passing files to Telegram. Either a file id as string, a file like object,
a local file path as string, :class:`pathlib.Path` or the file contents as :obj:`bytes`."""
JSONDict = Dict[str, Any]
"""Dictionary containing response from Telegram or data to send to the API."""
DVType = TypeVar('DVType')
ODVInput = Optional[Union['DefaultValue[DVType]', DVType]]
"""Generic type for bot method parameters which can have defaults. ``ODVInput[type]`` is the same
as ``Optional[Union[DefaultValue, type]]``."""
DVInput = Union['DefaultValue[DVType]', DVType]
"""Generic type for bot method parameters which can have defaults. ``DVInput[type]`` is the same
as ``Union[DefaultValue, type]``."""
RT = TypeVar("RT")
SLT = Union[RT, List[RT], Tuple[RT, ...]]
"""Single instance or list/tuple of instances."""