22 lines
498 B
Python
22 lines
498 B
Python
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"""Event loop mixins."""
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import threading
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from . import events
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_global_lock = threading.Lock()
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class _LoopBoundedMixin:
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_loop = None
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def _get_loop(self):
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loop = events._get_running_loop()
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if self._loop is None:
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with _global_lock:
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if self._loop is None:
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self._loop = loop
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if loop is not self._loop:
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raise RuntimeError(f'{type(self).__name__} have already bounded to another loop')
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return loop
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