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45 lines
1.8 KiB
Python
45 lines
1.8 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 auxiliary functionality for building strings for __repr__ method.
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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 Any
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def build_repr_with_selected_attrs(obj: object, **kwargs: Any) -> str:
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"""Create ``__repr__`` string in the style ``Classname[arg1=1, arg2=2]``.
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The square brackets emphasize the fact that an object cannot be instantiated
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from this string.
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Attributes that are to be used in the representation, are passed as kwargs.
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"""
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return (
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f"{obj.__class__.__name__}"
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# square brackets emphasize that an object cannot be instantiated with these params
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f"[{', '.join(_stringify(name, value) for name, value in kwargs.items())}]"
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)
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def _stringify(key: str, val: Any) -> str:
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return f"{key}={val.__qualname__ if callable(val) else val}"
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