6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
26 lines
790 B
Python
26 lines
790 B
Python
"""High-level support for working with threads in asyncio"""
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import functools
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import contextvars
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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*. Also, the current :class:`contextvars.Context` is propagated,
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allowing context variables from the main thread to be accessed in the
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separate thread.
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Return a coroutine that can be awaited to get the eventual result of *func*.
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"""
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loop = events.get_running_loop()
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ctx = contextvars.copy_context()
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func_call = functools.partial(ctx.run, func, *args, **kwargs)
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return await loop.run_in_executor(None, func_call)
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