core/homeassistant/components/mysensors.py

321 lines
12 KiB
Python

"""
Connect to a MySensors gateway via pymysensors API.
For more details about this platform, please refer to the documentation at
https://home-assistant.io/components/sensor.mysensors/
"""
import logging
import socket
import homeassistant.bootstrap as bootstrap
from homeassistant.const import (ATTR_BATTERY_LEVEL, ATTR_DISCOVERED,
ATTR_SERVICE, CONF_OPTIMISTIC,
EVENT_HOMEASSISTANT_START,
EVENT_HOMEASSISTANT_STOP,
EVENT_PLATFORM_DISCOVERED, STATE_OFF,
STATE_ON, TEMP_CELSIUS)
from homeassistant.helpers import validate_config
CONF_GATEWAYS = 'gateways'
CONF_DEVICE = 'device'
CONF_DEBUG = 'debug'
CONF_PERSISTENCE = 'persistence'
CONF_PERSISTENCE_FILE = 'persistence_file'
CONF_VERSION = 'version'
CONF_BAUD_RATE = 'baud_rate'
CONF_TCP_PORT = 'tcp_port'
DEFAULT_VERSION = '1.4'
DEFAULT_BAUD_RATE = 115200
DEFAULT_TCP_PORT = 5003
DOMAIN = 'mysensors'
DEPENDENCIES = []
REQUIREMENTS = [
'https://github.com/theolind/pymysensors/archive/'
'cc5d0b325e13c2b623fa934f69eea7cd4555f110.zip#pymysensors==0.6']
_LOGGER = logging.getLogger(__name__)
ATTR_NODE_ID = 'node_id'
ATTR_CHILD_ID = 'child_id'
ATTR_DEVICE = 'device'
GATEWAYS = None
DISCOVER_SENSORS = 'mysensors.sensors'
DISCOVER_SWITCHES = 'mysensors.switches'
DISCOVER_LIGHTS = 'mysensors.lights'
DISCOVER_BINARY_SENSORS = 'mysensors.binary_sensor'
# Maps discovered services to their platforms
DISCOVERY_COMPONENTS = [
('sensor', DISCOVER_SENSORS),
('switch', DISCOVER_SWITCHES),
('light', DISCOVER_LIGHTS),
('binary_sensor', DISCOVER_BINARY_SENSORS),
]
def setup(hass, config): # pylint: disable=too-many-locals
"""Setup the MySensors component."""
if not validate_config(config,
{DOMAIN: [CONF_GATEWAYS]},
_LOGGER):
return False
if not all(CONF_DEVICE in gateway
for gateway in config[DOMAIN][CONF_GATEWAYS]):
_LOGGER.error('Missing required configuration items '
'in %s: %s', DOMAIN, CONF_DEVICE)
return False
import mysensors.mysensors as mysensors
version = str(config[DOMAIN].get(CONF_VERSION, DEFAULT_VERSION))
is_metric = (hass.config.temperature_unit == TEMP_CELSIUS)
persistence = config[DOMAIN].get(CONF_PERSISTENCE, True)
def setup_gateway(device, persistence_file, baud_rate, tcp_port):
"""Return gateway after setup of the gateway."""
try:
socket.inet_aton(device)
# valid ip address
gateway = mysensors.TCPGateway(
device, event_callback=None, persistence=persistence,
persistence_file=persistence_file, protocol_version=version,
port=tcp_port)
except OSError:
# invalid ip address
gateway = mysensors.SerialGateway(
device, event_callback=None, persistence=persistence,
persistence_file=persistence_file, protocol_version=version,
baud=baud_rate)
gateway.metric = is_metric
gateway.debug = config[DOMAIN].get(CONF_DEBUG, False)
optimistic = config[DOMAIN].get(CONF_OPTIMISTIC, False)
gateway = GatewayWrapper(gateway, version, optimistic)
# pylint: disable=attribute-defined-outside-init
gateway.event_callback = gateway.callback_factory()
def gw_start(event):
"""Callback to trigger start of gateway and any persistence."""
gateway.start()
hass.bus.listen_once(EVENT_HOMEASSISTANT_STOP,
lambda event: gateway.stop())
if persistence:
for node_id in gateway.sensors:
gateway.event_callback('persistence', node_id)
hass.bus.listen_once(EVENT_HOMEASSISTANT_START, gw_start)
return gateway
# Setup all devices from config
global GATEWAYS
GATEWAYS = {}
conf_gateways = config[DOMAIN][CONF_GATEWAYS]
if isinstance(conf_gateways, dict):
conf_gateways = [conf_gateways]
for index, gway in enumerate(conf_gateways):
device = gway[CONF_DEVICE]
persistence_file = gway.get(
CONF_PERSISTENCE_FILE,
hass.config.path('mysensors{}.pickle'.format(index + 1)))
baud_rate = gway.get(CONF_BAUD_RATE, DEFAULT_BAUD_RATE)
tcp_port = gway.get(CONF_TCP_PORT, DEFAULT_TCP_PORT)
GATEWAYS[device] = setup_gateway(
device, persistence_file, baud_rate, tcp_port)
for (component, discovery_service) in DISCOVERY_COMPONENTS:
# Ensure component is loaded
if not bootstrap.setup_component(hass, component, config):
return False
# Fire discovery event
hass.bus.fire(EVENT_PLATFORM_DISCOVERED, {
ATTR_SERVICE: discovery_service,
ATTR_DISCOVERED: {}})
return True
def pf_callback_factory(map_sv_types, devices, add_devices, entity_class):
"""Return a new callback for the platform."""
def mysensors_callback(gateway, node_id):
"""Callback for mysensors platform."""
if gateway.sensors[node_id].sketch_name is None:
_LOGGER.info('No sketch_name: node %s', node_id)
return
for child in gateway.sensors[node_id].children.values():
for value_type in child.values.keys():
key = node_id, child.id, value_type
if child.type not in map_sv_types or \
value_type not in map_sv_types[child.type]:
continue
if key in devices:
devices[key].update_ha_state(True)
continue
name = '{} {} {}'.format(
gateway.sensors[node_id].sketch_name, node_id, child.id)
if isinstance(entity_class, dict):
device_class = entity_class[child.type]
else:
device_class = entity_class
devices[key] = device_class(
gateway, node_id, child.id, name, value_type, child.type)
_LOGGER.info('Adding new devices: %s', devices[key])
add_devices([devices[key]])
if key in devices:
devices[key].update_ha_state(True)
return mysensors_callback
class GatewayWrapper(object):
"""Gateway wrapper class."""
# pylint: disable=too-few-public-methods
def __init__(self, gateway, version, optimistic):
"""Setup class attributes on instantiation.
Args:
gateway (mysensors.SerialGateway): Gateway to wrap.
version (str): Version of mysensors API.
optimistic (bool): Send values to actuators without feedback state.
Attributes:
_wrapped_gateway (mysensors.SerialGateway): Wrapped gateway.
version (str): Version of mysensors API.
platform_callbacks (list): Callback functions, one per platform.
optimistic (bool): Send values to actuators without feedback state.
__initialised (bool): True if GatewayWrapper is initialised.
"""
self._wrapped_gateway = gateway
self.version = version
self.platform_callbacks = []
self.optimistic = optimistic
self.__initialised = True
def __getattr__(self, name):
"""See if this object has attribute name."""
# Do not use hasattr, it goes into infinite recurrsion
if name in self.__dict__:
# This object has the attribute.
return getattr(self, name)
# The wrapped object has the attribute.
return getattr(self._wrapped_gateway, name)
def __setattr__(self, name, value):
"""See if this object has attribute name then set to value."""
if '_GatewayWrapper__initialised' not in self.__dict__:
return object.__setattr__(self, name, value)
elif name in self.__dict__:
object.__setattr__(self, name, value)
else:
object.__setattr__(self._wrapped_gateway, name, value)
def callback_factory(self):
"""Return a new callback function."""
def node_update(update_type, node_id):
"""Callback for node updates from the MySensors gateway."""
_LOGGER.debug('update %s: node %s', update_type, node_id)
for callback in self.platform_callbacks:
callback(self, node_id)
return node_update
class MySensorsDeviceEntity(object):
"""Represent a MySensors entity."""
# pylint: disable=too-many-arguments,too-many-instance-attributes
def __init__(
self, gateway, node_id, child_id, name, value_type, child_type):
"""
Setup class attributes on instantiation.
Args:
gateway (GatewayWrapper): Gateway object.
node_id (str): Id of node.
child_id (str): Id of child.
name (str): Entity name.
value_type (str): Value type of child. Value is entity state.
child_type (str): Child type of child.
Attributes:
gateway (GatewayWrapper): Gateway object.
node_id (str): Id of node.
child_id (str): Id of child.
_name (str): Entity name.
value_type (str): Value type of child. Value is entity state.
child_type (str): Child type of child.
battery_level (int): Node battery level.
_values (dict): Child values. Non state values set as state attributes.
mysensors (module): Mysensors main component module.
"""
self.gateway = gateway
self.node_id = node_id
self.child_id = child_id
self._name = name
self.value_type = value_type
self.child_type = child_type
self.battery_level = 0
self._values = {}
@property
def should_poll(self):
"""Mysensor gateway pushes its state to HA."""
return False
@property
def name(self):
"""The name of this entity."""
return self._name
@property
def device_state_attributes(self):
"""Return device specific state attributes."""
address = getattr(self.gateway, 'server_address', None)
if address:
device = '{}:{}'.format(address[0], address[1])
else:
device = self.gateway.port
attr = {
ATTR_DEVICE: device,
ATTR_NODE_ID: self.node_id,
ATTR_CHILD_ID: self.child_id,
ATTR_BATTERY_LEVEL: self.battery_level,
}
set_req = self.gateway.const.SetReq
for value_type, value in self._values.items():
try:
attr[set_req(value_type).name] = value
except ValueError:
_LOGGER.error('value_type %s is not valid for mysensors '
'version %s', value_type,
self.gateway.version)
return attr
@property
def available(self):
"""Return True if entity is available."""
return self.value_type in self._values
def update(self):
"""Update the controller with the latest value from a sensor."""
node = self.gateway.sensors[self.node_id]
child = node.children[self.child_id]
self.battery_level = node.battery_level
set_req = self.gateway.const.SetReq
for value_type, value in child.values.items():
_LOGGER.debug(
"%s: value_type %s, value = %s", self._name, value_type, value)
if value_type in (set_req.V_ARMED, set_req.V_LIGHT,
set_req.V_LOCK_STATUS, set_req.V_TRIPPED):
self._values[value_type] = (
STATE_ON if int(value) == 1 else STATE_OFF)
else:
self._values[value_type] = value