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https://github.com/python-telegram-bot/python-telegram-bot.git
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86 lines
3.7 KiB
Python
86 lines
3.7 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) 2015-2016
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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 the MessageHandler class """
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from .handler import Handler
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from telegram import Update
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from .filters import * # flake8: noqa
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class MessageHandler(Handler):
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"""
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Handler class to handle telegram messages. Messages are Telegram Updates
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that do not contain a command. They might contain text, media or status
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updates.
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Args:
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filters (list): A list of filters defined in ``telegram.ext.filters``.
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All messages that match at least one of those filters will be
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accepted. If ``bool(filters)`` evaluates to ``False``, messages are
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not filtered.
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callback (function): A function that takes ``bot, update`` as
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positional arguments. It will be called when the ``checkUpdate``
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has determined that an update should be processed by this handler.
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pass_update_queue (optional[bool]): If the handler should be passed the
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update queue as a keyword argument called ``update_queue``. It can
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be used to insert updates. Default is ``False``
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"""
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def __init__(self, filters, callback, pass_update_queue=False):
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super(MessageHandler, self).__init__(callback, pass_update_queue)
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self.filters = filters
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def checkUpdate(self, update):
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filters = self.filters
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if isinstance(update, Update) and update.message:
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message = update.message
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return (not filters or # If filters is empty, accept all messages
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TEXT in filters and message.text and
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not message.text.startswith('/') or
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AUDIO in filters and message.audio or
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DOCUMENT in filters and message.document or
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PHOTO in filters and message.photo or
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STICKER in filters and message.sticker or
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VIDEO in filters and message.video or
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VOICE in filters and message.voice or
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CONTACT in filters and message.contact or
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LOCATION in filters and message.location or
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VENUE in filters and message.venue or
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STATUS_UPDATE in filters and (
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message.new_chat_member or
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message.left_chat_member or
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message.new_chat_title or
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message.new_chat_photo or
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message.delete_chat_photo or
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message.group_chat_created or
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message.supergroup_chat_created or
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message.channel_chat_created or
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message.migrate_to_chat_id or
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message.migrate_from_chat_id or
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message.pinned_message)
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)
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else:
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return False
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def handleUpdate(self, update, dispatcher):
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optional_args = self.collectOptionalArgs(dispatcher)
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self.callback(dispatcher.bot, update, **optional_args)
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