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Make concurrently_execute work with async/await

This commit is contained in:
Erik Johnston 2019-10-29 15:02:23 +00:00
parent fec7d88645
commit 09a135b039
1 changed files with 3 additions and 4 deletions
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7
synapse/util/async_helpers.py
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@ -138,7 +138,7 @@ def concurrently_execute(func, args, limit):
the number of concurrent executions. the number of concurrent executions.
Args: Args:
func (func): Function to execute, should return a deferred. func (func): Function to execute, should return a deferred or coroutine.
args (list): List of arguments to pass to func, each invocation of func args (list): List of arguments to pass to func, each invocation of func
gets a signle argument. gets a signle argument.
limit (int): Maximum number of conccurent executions. limit (int): Maximum number of conccurent executions.
@ -148,11 +148,10 @@ def concurrently_execute(func, args, limit):
""" """
it = iter(args) it = iter(args)
@defer.inlineCallbacks async def _concurrently_execute_inner():
def _concurrently_execute_inner():
try: try:
while True: while True:
yield func(next(it)) await maybe_awaitable(func(next(it)))
except StopIteration: except StopIteration:
pass pass