64 lines
1.8 KiB
Python
64 lines
1.8 KiB
Python
#!/usr/bin/env python3
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## Copyright (C) 2012-2013 Daniel Pavel
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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 General Public License as published by
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## the Free Software Foundation; either version 2 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 General Public License for more details.
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##
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## You should have received a copy of the GNU General Public License along
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## with this program; if not, write to the Free Software Foundation, Inc.,
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## 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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import logging
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from threading import Thread
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logger = logging.getLogger(__name__)
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try:
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from Queue import Queue
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except ImportError:
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from queue import Queue
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class TaskRunner(Thread):
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def __init__(self, name):
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super().__init__(name=name)
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self.daemon = True
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self.queue = Queue(16)
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self.alive = False
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def __call__(self, function, *args, **kwargs):
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task = (function, args, kwargs)
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self.queue.put(task)
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def stop(self):
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self.alive = False
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self.queue.put(None)
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def run(self):
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self.alive = True
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if logger.isEnabledFor(logging.DEBUG):
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logger.debug("started")
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while self.alive:
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task = self.queue.get()
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if task:
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function, args, kwargs = task
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assert function
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try:
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function(*args, **kwargs)
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except Exception:
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logger.exception("calling %s", function)
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if logger.isEnabledFor(logging.DEBUG):
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logger.debug("stopped")
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