47 lines
1.1 KiB
Python
47 lines
1.1 KiB
Python
"""
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Eventloop for integration with Python3 asyncio.
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Note that we can't use "yield from", because the package should be installable
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under Python 2.6 as well, and it should contain syntactically valid Python 2.6
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code.
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"""
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from __future__ import unicode_literals
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__all__ = (
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'AsyncioTimeout',
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)
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class AsyncioTimeout(object):
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"""
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Call the `timeout` function when the timeout expires.
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Every call of the `reset` method, resets the timeout and starts a new
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timer.
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"""
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def __init__(self, timeout, callback, loop):
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self.timeout = timeout
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self.callback = callback
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self.loop = loop
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self.counter = 0
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self.running = True
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def reset(self):
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"""
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Reset the timeout. Starts a new timer.
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"""
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self.counter += 1
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local_counter = self.counter
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def timer_timeout():
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if self.counter == local_counter and self.running:
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self.callback()
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self.loop.call_later(self.timeout, timer_timeout)
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def stop(self):
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"""
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Ignore timeout. Don't call the callback anymore.
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"""
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self.running = False
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