684f3be000
In debug mode, BaseEventLoop._run_once() now sets the BaseEventLoop._current_handle attribute to the handle currently executed. In release mode or when no handle is executed, the attribute is None. BaseEventLoop.default_exception_handler() displays the traceback of the current handle if available.
18 lines
343 B
Python
18 lines
343 B
Python
"""Print 'Hello World' every two seconds, using a callback."""
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import asyncio
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def print_and_repeat(loop):
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print('Hello World')
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loop.call_later(2, print_and_repeat, loop)
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if __name__ == '__main__':
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loop = asyncio.get_event_loop()
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print_and_repeat(loop)
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try:
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loop.run_forever()
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finally:
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loop.close()
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