def _event_receiver(topic, payload, qos):
"""Receive events published by and fire them on this hass instance."""
event = json.loads(payload)
event_type = event.get('event_type')
event_data = event.get('event_data')
# Special case handling for event STATE_CHANGED
# We will try to convert state dicts back to State objects
# Copied over from the _handle_api_post_events_event method
# of the api component.
if event_type == EVENT_STATE_CHANGED and event_data:
for key in ('old_state', 'new_state'):
state = State.from_dict(event_data.get(key))
if state:
event_data[key] = state
hass.bus.fire(
event_type,
event_data=event_data,
origin=EventOrigin.remote
)
def humanify(events):
"""Generator that converts a list of events into Entry objects.
Will try to group events if possible:
- if 2+ sensor updates in GROUP_BY_MINUTES, show last
- if home assistant stop and start happen in same minute call it restarted
"""
# pylint: disable=too-many-branches
# Group events in batches of GROUP_BY_MINUTES
for _, g_events in groupby(
events, lambda event: event.time_fired.minute // GROUP_BY_MINUTES):
events_batch = list(g_events)
# Keep track of last sensor states
last_sensor_event = {}
# Group HA start/stop events
# Maps minute of event to 1: stop, 2: stop + start
start_stop_events = {}
# Process events
for event in events_batch:
if event.event_type == EVENT_STATE_CHANGED:
entity_id = event.data.get('entity_id')
if entity_id is None:
continue
if entity_id.startswith('sensor.'):
last_sensor_event[entity_id] = event
elif event.event_type == EVENT_BLUMATE_STOP:
if event.time_fired.minute in start_stop_events:
continue
start_stop_events[event.time_fired.minute] = 1
elif event.event_type == EVENT_BLUMATE_START:
if event.time_fired.minute not in start_stop_events:
continue
start_stop_events[event.time_fired.minute] = 2
# Yield entries
for event in events_batch:
if event.event_type == EVENT_STATE_CHANGED:
# Do not report on new entities
if 'old_state' not in event.data:
continue
to_state = State.from_dict(event.data.get('new_state'))
# If last_changed != last_updated only attributes have changed
# we do not report on that yet. Also filter auto groups.
if not to_state or \
to_state.last_changed != to_state.last_updated or \
to_state.domain == 'group' and \
to_state.attributes.get('auto', False):
continue
domain = to_state.domain
# Skip all but the last sensor state
if domain == 'sensor' and \
event != last_sensor_event[to_state.entity_id]:
continue
yield Entry(event.time_fired,
name=to_state.name,
message=_entry_message_from_state(
domain, to_state),
domain=domain,
entity_id=to_state.entity_id)
elif event.event_type == EVENT_BLUMATE_START:
if start_stop_events.get(event.time_fired.minute) == 2:
continue
yield Entry(event.time_fired,
"Home Assistant",
"started",
domain=HA_DOMAIN)
elif event.event_type == EVENT_BLUMATE_STOP:
if start_stop_events.get(event.time_fired.minute) == 2:
action = "restarted"
else:
action = "stopped"
yield Entry(event.time_fired,
"Home Assistant",
action,
domain=HA_DOMAIN)
elif event.event_type.lower() == EVENT_LOGBOOK_ENTRY:
domain = event.data.get(ATTR_DOMAIN)
entity_id = event.data.get(ATTR_ENTITY_ID)
if domain is None and entity_id is not None:
try:
domain = split_entity_id(str(entity_id))[0]
except IndexError:
pass
yield Entry(event.time_fired, event.data.get(ATTR_NAME),
event.data.get(ATTR_MESSAGE), domain, entity_id)
def humanify(events):
"""Generator that converts a list of events into Entry objects.
Will try to group events if possible:
- if 2+ sensor updates in GROUP_BY_MINUTES, show last
- if home assistant stop and start happen in same minute call it restarted
"""
# pylint: disable=too-many-branches
# Group events in batches of GROUP_BY_MINUTES
for _, g_events in groupby(
events,
lambda event: event.time_fired.minute // GROUP_BY_MINUTES):
events_batch = list(g_events)
# Keep track of last sensor states
last_sensor_event = {}
# Group HA start/stop events
# Maps minute of event to 1: stop, 2: stop + start
start_stop_events = {}
# Process events
for event in events_batch:
if event.event_type == EVENT_STATE_CHANGED:
entity_id = event.data.get('entity_id')
if entity_id is None:
continue
if entity_id.startswith('sensor.'):
last_sensor_event[entity_id] = event
elif event.event_type == EVENT_BLUMATE_STOP:
if event.time_fired.minute in start_stop_events:
continue
start_stop_events[event.time_fired.minute] = 1
elif event.event_type == EVENT_BLUMATE_START:
if event.time_fired.minute not in start_stop_events:
continue
start_stop_events[event.time_fired.minute] = 2
# Yield entries
for event in events_batch:
if event.event_type == EVENT_STATE_CHANGED:
# Do not report on new entities
if 'old_state' not in event.data:
continue
to_state = State.from_dict(event.data.get('new_state'))
# If last_changed != last_updated only attributes have changed
# we do not report on that yet. Also filter auto groups.
if not to_state or \
to_state.last_changed != to_state.last_updated or \
to_state.domain == 'group' and \
to_state.attributes.get('auto', False):
continue
domain = to_state.domain
# Skip all but the last sensor state
if domain == 'sensor' and \
event != last_sensor_event[to_state.entity_id]:
continue
yield Entry(
event.time_fired,
name=to_state.name,
message=_entry_message_from_state(domain, to_state),
domain=domain,
entity_id=to_state.entity_id)
elif event.event_type == EVENT_BLUMATE_START:
if start_stop_events.get(event.time_fired.minute) == 2:
continue
yield Entry(
event.time_fired, "Home Assistant", "started",
domain=HA_DOMAIN)
elif event.event_type == EVENT_BLUMATE_STOP:
if start_stop_events.get(event.time_fired.minute) == 2:
action = "restarted"
else:
action = "stopped"
yield Entry(
event.time_fired, "Home Assistant", action,
domain=HA_DOMAIN)
elif event.event_type.lower() == EVENT_LOGBOOK_ENTRY:
domain = event.data.get(ATTR_DOMAIN)
entity_id = event.data.get(ATTR_ENTITY_ID)
if domain is None and entity_id is not None:
try:
domain = split_entity_id(str(entity_id))[0]
except IndexError:
pass
yield Entry(
event.time_fired, event.data.get(ATTR_NAME),
event.data.get(ATTR_MESSAGE), domain,
entity_id)