async def async_get_things() -> Optional[List[Dict[str, Any]]]:
try:
resp = await get('things')
return load_json(await resp.text(encoding='utf-8'))
except Exception as e:
# sometimes uuid and items already works but things not - so we ignore these errors here, too
if not isinstance(e, (OpenhabDisconnectedError, OpenhabNotReadyYet)):
for line in traceback.format_exc().splitlines():
log.error(line)
return None
async def async_get_items(include_habapp_meta=False) -> Optional[List[Dict[str, Any]]]:
params = None
if include_habapp_meta:
params = {'metadata': 'HABApp'}
try:
resp = await get('items', params=params)
return load_json(await resp.text(encoding='utf-8'))
except Exception as e:
# sometimes uuid already works but items not - so we ignore these errors here, too
if not isinstance(e, (OpenhabDisconnectedError, OpenhabNotReadyYet)):
for line in traceback.format_exc().splitlines():
log.error(line)
return None
async def start_sse_event_listener():
try:
# cache so we don't have to look up every event
call = ON_SSE_EVENT
options = {}
if HABApp.CONFIG.openhab.connection.user or HABApp.CONFIG.openhab.connection.password:
options['with_credentials'] = True
event_prefix = 'openhab' if not IS_OH2 else 'smarthome'
async with sse_client.EventSource(
url=f'{HTTP_PREFIX}/rest/events?topics='
f'{event_prefix}/items/,' # Item updates
f'{event_prefix}/channels/,' # Channel update
f'{event_prefix}/things/*/status,' # Thing status updates
f'{event_prefix}/things/*/statuschanged' # Thing status changes
,
option=options,
session=HTTP_SESSION) as event_source:
async for event in event_source:
try:
event = load_json(event.data)
except ValueError:
continue
except TypeError:
continue
# Log sse event
if log_events.isEnabledFor(logging.DEBUG):
log_events._log(logging.DEBUG, event, [])
# process
call(event)
except asyncio.CancelledError:
# This exception gets raised if we cancel the coroutine
# since this is normal behaviour we ignore this exception
pass
except Exception as e:
disconnect = is_disconnect_exception(e)
lvl = logging.WARNING if disconnect else logging.ERROR
log.log(lvl, f'SSE request Error: {e}')
for line in traceback.format_exc().splitlines():
log.log(lvl, line)
# reconnect even if we have an unexpected error
if not disconnect:
set_offline(f'Uncaught error in process_sse_events: {e}')
def get_event(_in_dict: dict) -> OpenhabEvent:
event_type: str = _in_dict['type']
topic: str = _in_dict['topic']
# Workaround for None values in the payload str
p_str: str = _in_dict['payload']
if '"NONE"' in p_str:
p_str = p_str.replace('"NONE"', 'null')
payload = load_json(p_str)
# Find event from implemented events
try:
return __event_lookup[event_type].from_dict(topic, payload)
except KeyError:
raise ValueError(f'Unknown Event: {event_type:s} for {_in_dict}')
def get_msg_payload(msg: MQTTMessage) -> Tuple[Optional[str], Any]:
try:
topic = msg._topic.decode('utf-8')
raw = msg.payload
try:
val = raw.decode("utf-8")
except UnicodeDecodeError:
# Payload ist a byte stream
if log.isEnabledFor(logging.DEBUG):
log._log(logging.DEBUG, f'{topic} ({msg.qos}): {raw[:20]}...', [])
return topic, raw
if log.isEnabledFor(logging.DEBUG):
log._log(logging.DEBUG, f'{topic} ({msg.qos}): {val}', [])
# None
if val == 'none' or val == 'None':
return topic, None
# bool
if val == 'true' or val == 'True':
return topic, True
if val == 'false' or val == 'False':
return topic, False
# int
if val.isdecimal():
return topic, int(val)
# json list/dict
if val.startswith('{') and val.endswith('}') or val.startswith('[') and val.endswith(']'):
try:
return topic, load_json(val)
except ValueError:
return topic, val
# float or str
try:
return topic, float(val)
except ValueError:
return topic, val
except Exception as e:
process_exception('get_msg_payload', e, logger=log)
return None, None
async def start_sse_event_listener():
try:
# cache so we don't have to look up every event
call = ON_SSE_EVENT
async with sse_client.EventSource(
url=f'{HTTP_PREFIX}/rest/'
"events?topics=smarthome/items/," # Item updates
"smarthome/channels/," # Channel update
"smarthome/things/*/status," # Thing status updates
"smarthome/things/*/statuschanged" # Thing status changes
,
session=HTTP_SESSION) as event_source:
async for event in event_source:
try:
event = load_json(event.data)
except ValueError:
continue
except TypeError:
continue
# Log sse event
if log_events.isEnabledFor(logging.DEBUG):
log_events._log(logging.DEBUG, event, [])
# process
call(event)
except asyncio.CancelledError:
# This exception gets raised if we cancel the coroutine
# since this is normal behaviour we ignore this exception
pass
except Exception as e:
disconnect = is_disconnect_exception(e)
lvl = logging.WARNING if disconnect else logging.ERROR
log.log(lvl, f'SSE request Error: {e}')
for line in traceback.format_exc().splitlines():
log.log(lvl, line)
# reconnect even if we have an unexpected error
if not disconnect:
set_offline(f'Uncaught error in process_sse_events: {e}')
