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Implements `asyncio.to_thread`, a coroutine for asynchronously running IO-bound functions in a separate thread without blocking the event loop. See the discussion starting from [here](https://github.com/python/cpython/pull/18410#issuecomment-628930973) in GH-18410 for context. Automerge-Triggered-By: @aeros
21 lines
564 B
Python
21 lines
564 B
Python
"""High-level support for working with threads in asyncio"""
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import functools
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from . import events
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__all__ = "to_thread",
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async def to_thread(func, /, *args, **kwargs):
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"""Asynchronously run function *func* in a separate thread.
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Any *args and **kwargs supplied for this function are directly passed
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to *func*.
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Return an asyncio.Future which represents the eventual result of *func*.
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"""
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loop = events.get_running_loop()
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func_call = functools.partial(func, *args, **kwargs)
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return await loop.run_in_executor(None, func_call)
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