in alibabacloud_credentials/provider/refreshable.py [0:0]
def prefetch(self, action: Callable):
if not CONCURRENT_REFRESH_LEASES.acquire(False):
log.warning('Skipping a background refresh task because there are too many other tasks running.')
return
try:
EXECUTOR.submit(action)
except KeyboardInterrupt:
_shutdown_handler()
except Exception as t:
log.warning(f'Exception occurred when submitting background task.', exc_info=True)
finally:
CONCURRENT_REFRESH_LEASES.release()