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Helpers/utils for working with tornado asynchronous stuff
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A context manager that will set the current ioloop to io_loop for the context
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A wrapper to make Async classes synchronous
This is uses as a simple wrapper, for example:
asynchronous = AsyncClass()
# this method would reguarly return a future
future = asynchronous.async_method()
sync = SyncWrapper(async_factory_method, (arg1, arg2), {'kwarg1': 'val'})
# the sync wrapper will automatically wait on the future
ret = sync.async_method()
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On deletion of the asynchronous wrapper, make sure to clean up the asynchronous stuff
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