Asyncio's debug mode does this (and a few more things). Call `asyncio.get_event_loop().set_debug()` to enable it.
https://docs.python.org/3/library/asyncio-dev.html#debug-mode -Ben On Fri, Feb 8, 2019 at 5:10 PM Yusuke Tsutsumi <yus...@tsutsumi.io> wrote: > Hi, > > In tornado, there's a really nice feature called > set_blocking_signal_threshold, which sets a signal that fires if a > coroutine has been running for too long without returning control back to > the main loop: > > > https://www.tornadoweb.org/en/stable/ioloop.html?highlight=signal#tornado.ioloop.IOLoop.set_blocking_signal_threshold > > In tornado this will then log the traceback of the coroutine in question. > This has been a very valuable tool when a developer accidentally introduces > code that blocks the event loop for way too long of a time. > > Is there an equivalent in asyncio? I have a sketch in my head of how to > implement that, but wanted to see if it existed somewhere first. > > Thanks! > -Yusuke > _______________________________________________ > Async-sig mailing list > Async-sig@python.org > https://mail.python.org/mailman/listinfo/async-sig > Code of Conduct: https://www.python.org/psf/codeofconduct/ >
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