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https://github.com/python-telegram-bot/python-telegram-bot.git
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67 lines
2.8 KiB
Python
67 lines
2.8 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) 2015-2016
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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 StringCommandHandler class """
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from .handler import Handler
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from telegram.utils.deprecate import deprecate
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class StringCommandHandler(Handler):
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"""
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Handler class to handle string commands. Commands are string updates
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that start with ``/``.
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Args:
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command (str): The name of the command this handler should listen for.
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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 ``check_update``
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has determined that an update should be processed by this handler.
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pass_args (optional[bool]): If the handler should be passed the
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arguments passed to the command as a keyword argument called `
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``args``. It will contain a list of strings, which is the text
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following the command split on spaces. Default is ``False``
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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, command, callback, pass_args=False,
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pass_update_queue=False):
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super(StringCommandHandler, self).__init__(callback, pass_update_queue)
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self.command = command
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self.pass_args = pass_args
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def check_update(self, update):
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return (isinstance(update, str) and
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update.startswith('/') and
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update[1:].split(' ')[0] == self.command)
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def handle_update(self, update, dispatcher):
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optional_args = self.collect_optional_args(dispatcher)
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if self.pass_args:
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optional_args['args'] = update.split(' ')[1:]
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self.callback(dispatcher.bot, update, **optional_args)
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# old non-PEP8 Handler methods
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m = "telegram.StringCommandHandler."
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checkUpdate = deprecate(check_update, m + "checkUpdate", m + "check_update")
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handleUpdate = deprecate(handle_update, m + "handleUpdate", m + "handle_update")
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