utils.py
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utils.py
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	# Copyright (C) 2021 The Software Heritage developers
	# See the AUTHORS file at the top-level directory of this distribution
	# License: GNU General Public License version 3, or any later version
	# See top-level LICENSE file for more information

	import asyncio


	def call_async(f, *args):
	"""Calls an async coroutine from a synchronous function."""
	loop = asyncio.new_event_loop()
	try:
	return loop.run_until_complete(f(*args))
	finally:
	loop.run_until_complete(loop.shutdown_asyncgens())
	loop.close()