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https://github.com/python-telegram-bot/python-telegram-bot.git
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ad3eec2af8
* initial commit for conversationhandler and example * implement simple Promise for run_async/conversationhandler * refactor Promise._done to done * add handling for timed out Promises * correctly handle promises with None results * fix handling tuple states * update comments on example * Added a first test on the ConversationHandler. * Fixed a small typo. * Yapf'd. * add sphinx doc for conversation handler * fix title for callbackqueryhandler sphinx docs
46 lines
1.5 KiB
Python
46 lines
1.5 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 Promise class """
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from threading import Event
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class Promise(object):
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"""A simple Promise implementation for the run_async decorator"""
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def __init__(self, pooled_function, args, kwargs):
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self.pooled_function = pooled_function
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self.args = args
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self.kwargs = kwargs
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self.done = Event()
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self._result = None
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def run(self):
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try:
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self._result = self.pooled_function(*self.args, **self.kwargs)
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except:
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raise
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finally:
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self.done.set()
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def result(self, timeout=None):
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self.done.wait(timeout=timeout)
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return self._result
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