Example:Īsync def coro_func (): return await asyncio. Loop.call_soon_threadsafe() method should be used. To schedule a callback from another OS thread, the When a TaskĮxecutes an await expression, the running Task gets suspended, and While a Task is running in theĮvent loop, no other Tasks can run in the same thread. Minimum execution duration in seconds that is considered “slow”.Īn event loop runs in a thread (typically the main thread) and executesĪll callbacks and Tasks in its thread. Loop.slow_callback_duration attribute can be used to set the The execution time of the I/O selector is logged if it takes too long toĬallbacks taking longer than 100 milliseconds are logged. Loop.call_at() methods) raise an exception if they are called Many non-threadsafe asyncio APIs (such as loop.call_soon() and Using the -W default command line option.Īsyncio checks for coroutines that were not awaited and logs them this mitigates DEBUG )Ĭonfiguring the warnings module to display
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