mirror of
https://github.com/python-telegram-bot/python-telegram-bot.git
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163 lines
4.4 KiB
Python
163 lines
4.4 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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# pylint: disable=C0115
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"""This module contains an classes that represent Telegram errors."""
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from typing import Tuple, Union
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def _lstrip_str(in_s: str, lstr: str) -> str:
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"""
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Args:
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in_s (:obj:`str`): in string
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lstr (:obj:`str`): substr to strip from left side
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Returns:
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:obj:`str`: The stripped string.
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"""
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if in_s.startswith(lstr):
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res = in_s[len(lstr) :]
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else:
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res = in_s
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return res
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class TelegramError(Exception):
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"""Base class for Telegram errors."""
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__slots__ = ('message',)
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def __init__(self, message: str):
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super().__init__()
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msg = _lstrip_str(message, 'Error: ')
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msg = _lstrip_str(msg, '[Error]: ')
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msg = _lstrip_str(msg, 'Bad Request: ')
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if msg != message:
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# api_error - capitalize the msg...
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msg = msg.capitalize()
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self.message = msg
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def __str__(self) -> str:
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return '%s' % self.message
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def __reduce__(self) -> Tuple[type, Tuple[str]]:
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return self.__class__, (self.message,)
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class Unauthorized(TelegramError):
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"""Raised when the bot has not enough rights to perform the requested action."""
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__slots__ = ()
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class InvalidToken(TelegramError):
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"""Raised when the token is invalid."""
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__slots__ = ()
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def __init__(self) -> None:
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super().__init__('Invalid token')
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def __reduce__(self) -> Tuple[type, Tuple]: # type: ignore[override]
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return self.__class__, ()
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class NetworkError(TelegramError):
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"""Base class for exceptions due to networking errors."""
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__slots__ = ()
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class BadRequest(NetworkError):
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"""Raised when Telegram could not process the request correctly."""
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__slots__ = ()
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class TimedOut(NetworkError):
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"""Raised when a request took too long to finish."""
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__slots__ = ()
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def __init__(self) -> None:
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super().__init__('Timed out')
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def __reduce__(self) -> Tuple[type, Tuple]: # type: ignore[override]
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return self.__class__, ()
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class ChatMigrated(TelegramError):
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"""
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Raised when the requested group chat migrated to supergroup and has a new chat id.
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Args:
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new_chat_id (:obj:`int`): The new chat id of the group.
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"""
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__slots__ = ('new_chat_id',)
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def __init__(self, new_chat_id: int):
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super().__init__(f'Group migrated to supergroup. New chat id: {new_chat_id}')
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self.new_chat_id = new_chat_id
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def __reduce__(self) -> Tuple[type, Tuple[int]]: # type: ignore[override]
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return self.__class__, (self.new_chat_id,)
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class RetryAfter(TelegramError):
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"""
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Raised when flood limits where exceeded.
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Args:
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retry_after (:obj:`int`): Time in seconds, after which the bot can retry the request.
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"""
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__slots__ = ('retry_after',)
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def __init__(self, retry_after: int):
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super().__init__(f'Flood control exceeded. Retry in {float(retry_after)} seconds')
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self.retry_after = float(retry_after)
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def __reduce__(self) -> Tuple[type, Tuple[float]]: # type: ignore[override]
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return self.__class__, (self.retry_after,)
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class Conflict(TelegramError):
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"""Raised when a long poll or webhook conflicts with another one."""
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__slots__ = ()
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def __reduce__(self) -> Tuple[type, Tuple[str]]:
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return self.__class__, (self.message,)
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class PassportDecryptionError(TelegramError):
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"""Something went wrong with decryption."""
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__slots__ = ('_msg',)
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def __init__(self, message: Union[str, Exception]):
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super().__init__(f"PassportDecryptionError: {message}")
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self._msg = str(message)
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def __reduce__(self) -> Tuple[type, Tuple[str]]:
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return self.__class__, (self._msg,)
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