python-telegram-bot/telegram/error.py

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#!/usr/bin/env python
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#
# A library that provides a Python interface to the Telegram Bot API
# Copyright (C) 2015-2017
# Leandro Toledo de Souza <devs@python-telegram-bot.org>
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#
# 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 an object that represents Telegram errors."""
def _lstrip_str(in_s, lstr):
"""
Args:
in_s (:obj:`str`): in string
lstr (:obj:`str`): substr to strip from left side
Returns:
str:
"""
if in_s.startswith(lstr):
res = in_s[len(lstr):]
else:
res = in_s
return res
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class TelegramError(Exception):
def __init__(self, message):
super(TelegramError, self).__init__()
msg = _lstrip_str(message, 'Error: ')
msg = _lstrip_str(msg, '[Error]: ')
msg = _lstrip_str(msg, 'Bad Request: ')
if msg != message:
# api_error - capitalize the msg...
msg = msg.capitalize()
self.message = msg
def __str__(self):
return '%s' % (self.message)
class Unauthorized(TelegramError):
pass
class InvalidToken(TelegramError):
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def __init__(self):
super(InvalidToken, self).__init__('Invalid token')
class NetworkError(TelegramError):
pass
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class BadRequest(NetworkError):
pass
class TimedOut(NetworkError):
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def __init__(self):
super(TimedOut, self).__init__('Timed out')
class ChatMigrated(TelegramError):
"""
Args:
new_chat_id (:obj:`int`):
"""
def __init__(self, new_chat_id):
super(ChatMigrated,
self).__init__('Group migrated to supergroup. New chat id: {}'.format(new_chat_id))
self.new_chat_id = new_chat_id
class RetryAfter(TelegramError):
"""
Args:
retry_after (:obj:`int`):
"""
def __init__(self, retry_after):
super(RetryAfter,
self).__init__('Flood control exceeded. Retry in {} seconds'.format(retry_after))
self.retry_after = float(retry_after)