def _wait_for_any_event(events, timeout_s):
"""Wait for any in a list of threading.Event's to be set.
Args:
events: List of threading.Event's.
timeout_s: Max duration in seconds to wait before returning.
Returns:
True if at least one event was set before the timeout expired, else False.
"""
def any_event_set():
return any(event.is_set() for event in events)
result = timeouts.loop_until_timeout_or_true(
timeout_s, any_event_set, sleep_s=_WAIT_FOR_ANY_EVENT_POLL_S)
return result or any_event_set()
def _wait_for_any_event(events, timeout_s):
"""Wait for any in a list of threading.Event's to be set.
Args:
events: List of threading.Event's.
timeout_s: Max duration in seconds to wait before returning.
Returns:
True if at least one event was set before the timeout expired, else False.
"""
def any_event_set():
return any(event.is_set() for event in events)
result = timeouts.loop_until_timeout_or_true(
timeout_s, any_event_set, sleep_s=_WAIT_FOR_ANY_EVENT_POLL_S)
return result or any_event_set()
def wait(self, timeout_ms=None):
"""Block until this command has completed.
Args:
timeout_ms: Timeout, in milliseconds, to wait.
Returns:
Output of the command if it complete and self.stdout is a StringIO
object or was passed in as None. Returns True if the command completed but
stdout was provided (and was not a StringIO object). Returns None if the
timeout expired before the command completed. Be careful to check the
return value explicitly for None, as the output may be ''.
"""
closed = timeouts.loop_until_timeout_or_true(
timeouts.PolledTimeout.from_millis(timeout_ms),
self.stream.is_closed, .1)
if closed:
if hasattr(self.stdout, 'getvalue'):
return self.stdout.getvalue()
return True
return None
def wait(self, timeout_ms=None):
"""Block until this command has completed.
Args:
timeout_ms: Timeout, in milliseconds, to wait.
Returns:
Output of the command if it complete and self.stdout is a StringIO
object or was passed in as None. Returns True if the command completed but
stdout was provided (and was not a StringIO object). Returns None if the
timeout expired before the command completed. Be careful to check the
return value explicitly for None, as the output may be ''.
"""
closed = timeouts.loop_until_timeout_or_true(
timeouts.PolledTimeout.from_millis(timeout_ms),
self.stream.is_closed, .1)
if closed:
if hasattr(self.stdout, 'getvalue'):
return self.stdout.getvalue()
return True
return None