def _update_value(self, value: Any) -> None:
if not value.ok:
self.attr.set_value(None,
alarm=Alarm.disconnected("PV Disconnected"))
else:
# Split "@asyn(PORT,num)" into ["PORT", "num"]
split = value.split("(")[1].rstrip(")").split(",")
cs_port = split[0].strip()
cs_axis = CS_AXIS_NAMES[int(split[1].strip()) - 1]
self.attr.set_value(f"{cs_port},{cs_axis}")
def callback(value=None):
if isinstance(value, Exception):
# Disconnect or Cancelled or RemoteError
if isinstance(value, Disconnected):
# We will get a reconnect with a whole new structure
update_fields.clear()
block.health.set_value(
value="pvAccess disconnected",
alarm=Alarm.disconnected("pvAccess disconnected"))
else:
with block.notifier.changes_squashed:
if not update_fields:
self.log.debug("Regenerating from %s", list(value))
self._regenerate_block(block, value, update_fields)
done_queue.put(None)
else:
self._update_block(block, value, update_fields)
def _update_value(self, value):
# Attribute value might not be raw PV, PV which triggered update is
# passed as status
if self._user_callback is not None:
self._user_callback(value)
if not value.ok:
self.attr.set_value(self.attr.value,
alarm=Alarm.disconnected("PV disconnected"))
else:
if value.severity:
alarm = Alarm(
severity=value.severity,
status=AlarmStatus.RECORD_STATUS,
message="PV in alarm state",
)
else:
alarm = Alarm.ok
# We only have a raw_stamp attr on monitor, the initial
# caget with CTRL doesn't give us a timestamp
ts = TimeStamp(*getattr(value, "raw_stamp", (None, None)))
value = self.attr.meta.validate(value)
self.attr.set_value_alarm_ts(value, alarm, ts)