core/homeassistant/components/mysensors.py

431 lines
16 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 os
import socket
import sys
import voluptuous as vol
import homeassistant.helpers.config_validation as cv
from homeassistant.setup import setup_component
from homeassistant.components.mqtt import (
valid_publish_topic, valid_subscribe_topic)
from homeassistant.const import (
ATTR_BATTERY_LEVEL, CONF_NAME, CONF_OPTIMISTIC, EVENT_HOMEASSISTANT_START,
EVENT_HOMEASSISTANT_STOP, STATE_OFF, STATE_ON)
from homeassistant.helpers import discovery
from homeassistant.loader import get_component
REQUIREMENTS = ['pymysensors==0.10.0']
_LOGGER = logging.getLogger(__name__)
ATTR_CHILD_ID = 'child_id'
ATTR_DESCRIPTION = 'description'
ATTR_DEVICE = 'device'
ATTR_NODE_ID = 'node_id'
CONF_BAUD_RATE = 'baud_rate'
CONF_DEBUG = 'debug'
CONF_DEVICE = 'device'
CONF_GATEWAYS = 'gateways'
CONF_PERSISTENCE = 'persistence'
CONF_PERSISTENCE_FILE = 'persistence_file'
CONF_RETAIN = 'retain'
CONF_TCP_PORT = 'tcp_port'
CONF_TOPIC_IN_PREFIX = 'topic_in_prefix'
CONF_TOPIC_OUT_PREFIX = 'topic_out_prefix'
CONF_VERSION = 'version'
DEFAULT_BAUD_RATE = 115200
DEFAULT_TCP_PORT = 5003
DEFAULT_VERSION = 1.4
DOMAIN = 'mysensors'
MQTT_COMPONENT = 'mqtt'
MYSENSORS_GATEWAYS = 'mysensors_gateways'
def is_socket_address(value):
"""Validate that value is a valid address."""
try:
socket.getaddrinfo(value, None)
return value
except OSError:
raise vol.Invalid('Device is not a valid domain name or ip address')
def has_parent_dir(value):
"""Validate that value is in an existing directory which is writetable."""
parent = os.path.dirname(os.path.realpath(value))
is_dir_writable = os.path.isdir(parent) and os.access(parent, os.W_OK)
if not is_dir_writable:
raise vol.Invalid(
'{} directory does not exist or is not writetable'.format(parent))
return value
def has_all_unique_files(value):
"""Validate that all persistence files are unique and set if any is set."""
persistence_files = [
gateway.get(CONF_PERSISTENCE_FILE) for gateway in value]
if None in persistence_files and any(
name is not None for name in persistence_files):
raise vol.Invalid(
'persistence file name of all devices must be set if any is set')
if not all(name is None for name in persistence_files):
schema = vol.Schema(vol.Unique())
schema(persistence_files)
return value
def is_persistence_file(value):
"""Validate that persistence file path ends in either .pickle or .json."""
if value.endswith(('.json', '.pickle')):
return value
else:
raise vol.Invalid(
'{} does not end in either `.json` or `.pickle`'.format(value))
def is_serial_port(value):
"""Validate that value is a windows serial port or a unix device."""
if sys.platform.startswith('win'):
ports = ('COM{}'.format(idx + 1) for idx in range(256))
if value in ports:
return value
else:
raise vol.Invalid(
'{} is not a serial port'.format(value))
else:
return cv.isdevice(value)
def deprecated(key):
"""Mark key as deprecated in config."""
def validator(config):
"""Check if key is in config, log warning and remove key."""
if key not in config:
return config
_LOGGER.warning(
'%s option for %s is deprecated. Please remove %s from your '
'configuration file.', key, DOMAIN, key)
config.pop(key)
return config
return validator
CONFIG_SCHEMA = vol.Schema({
DOMAIN: vol.Schema(vol.All(deprecated(CONF_DEBUG), {
vol.Required(CONF_GATEWAYS): vol.All(
cv.ensure_list, has_all_unique_files,
[{
vol.Required(CONF_DEVICE):
vol.Any(MQTT_COMPONENT, is_socket_address, is_serial_port),
vol.Optional(CONF_PERSISTENCE_FILE):
vol.All(cv.string, is_persistence_file, has_parent_dir),
vol.Optional(
CONF_BAUD_RATE,
default=DEFAULT_BAUD_RATE): cv.positive_int,
vol.Optional(
CONF_TCP_PORT,
default=DEFAULT_TCP_PORT): cv.port,
vol.Optional(
CONF_TOPIC_IN_PREFIX, default=''): valid_subscribe_topic,
vol.Optional(
CONF_TOPIC_OUT_PREFIX, default=''): valid_publish_topic,
}]
),
vol.Optional(CONF_OPTIMISTIC, default=False): cv.boolean,
vol.Optional(CONF_PERSISTENCE, default=True): cv.boolean,
vol.Optional(CONF_RETAIN, default=True): cv.boolean,
vol.Optional(CONF_VERSION, default=DEFAULT_VERSION): vol.Coerce(float),
}))
}, extra=vol.ALLOW_EXTRA)
def setup(hass, config):
"""Set up the MySensors component."""
import mysensors.mysensors as mysensors
version = config[DOMAIN].get(CONF_VERSION)
persistence = config[DOMAIN].get(CONF_PERSISTENCE)
def setup_gateway(device, persistence_file, baud_rate, tcp_port, in_prefix,
out_prefix):
"""Return gateway after setup of the gateway."""
if device == MQTT_COMPONENT:
if not setup_component(hass, MQTT_COMPONENT, config):
return
mqtt = get_component(MQTT_COMPONENT)
retain = config[DOMAIN].get(CONF_RETAIN)
def pub_callback(topic, payload, qos, retain):
"""Call MQTT publish function."""
mqtt.publish(hass, topic, payload, qos, retain)
def sub_callback(topic, callback, qos):
"""Call MQTT subscribe function."""
mqtt.subscribe(hass, topic, callback, qos)
gateway = mysensors.MQTTGateway(
pub_callback, sub_callback,
event_callback=None, persistence=persistence,
persistence_file=persistence_file,
protocol_version=version, in_prefix=in_prefix,
out_prefix=out_prefix, retain=retain)
else:
try:
is_serial_port(device)
gateway = mysensors.SerialGateway(
device, event_callback=None, persistence=persistence,
persistence_file=persistence_file,
protocol_version=version, baud=baud_rate)
except vol.Invalid:
try:
socket.getaddrinfo(device, None)
# 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
return
gateway.metric = hass.config.units.is_metric
optimistic = config[DOMAIN].get(CONF_OPTIMISTIC)
gateway = GatewayWrapper(gateway, optimistic, device)
# pylint: disable=attribute-defined-outside-init
gateway.event_callback = gateway.callback_factory()
def gw_start(event):
"""Trigger to start of the gateway and any persistence."""
if persistence:
for node_id in gateway.sensors:
node = gateway.sensors[node_id]
for child_id in node.children:
msg = mysensors.Message().modify(
node_id=node_id, child_id=child_id)
gateway.event_callback(msg)
gateway.start()
hass.bus.listen_once(EVENT_HOMEASSISTANT_STOP,
lambda event: gateway.stop())
hass.bus.listen_once(EVENT_HOMEASSISTANT_START, gw_start)
return gateway
gateways = hass.data.get(MYSENSORS_GATEWAYS)
if gateways is not None:
_LOGGER.error(
"%s already exists in %s, will not setup %s component",
MYSENSORS_GATEWAYS, hass.data, DOMAIN)
return False
# Setup all devices from config
gateways = []
conf_gateways = config[DOMAIN][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)
tcp_port = gway.get(CONF_TCP_PORT)
in_prefix = gway.get(CONF_TOPIC_IN_PREFIX)
out_prefix = gway.get(CONF_TOPIC_OUT_PREFIX)
ready_gateway = setup_gateway(
device, persistence_file, baud_rate, tcp_port, in_prefix,
out_prefix)
if ready_gateway is not None:
gateways.append(ready_gateway)
if not gateways:
_LOGGER.error(
"No devices could be setup as gateways, check your configuration")
return False
hass.data[MYSENSORS_GATEWAYS] = gateways
for component in ['sensor', 'switch', 'light', 'binary_sensor', 'climate',
'cover']:
discovery.load_platform(hass, component, DOMAIN, {}, config)
discovery.load_platform(
hass, 'device_tracker', DOMAIN, {}, config)
discovery.load_platform(
hass, 'notify', DOMAIN, {CONF_NAME: DOMAIN}, config)
return True
def pf_callback_factory(map_sv_types, devices, entity_class, add_devices=None):
"""Return a new callback for the platform."""
def mysensors_callback(gateway, msg):
"""Run when a message from the gateway arrives."""
if gateway.sensors[msg.node_id].sketch_name is None:
_LOGGER.debug("No sketch_name: node %s", msg.node_id)
return
child = gateway.sensors[msg.node_id].children.get(msg.child_id)
if child is None:
return
for value_type in child.values:
key = msg.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:
if add_devices:
devices[key].schedule_update_ha_state(True)
else:
devices[key].update()
continue
name = '{} {} {}'.format(
gateway.sensors[msg.node_id].sketch_name, msg.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, msg.node_id, child.id, name, value_type)
if add_devices:
_LOGGER.info("Adding new devices: %s", [devices[key]])
add_devices([devices[key]], True)
else:
devices[key].update()
return mysensors_callback
class GatewayWrapper(object):
"""Gateway wrapper class."""
def __init__(self, gateway, optimistic, device):
"""Set up the class attributes on instantiation.
Args:
gateway (mysensors.SerialGateway): Gateway to wrap.
optimistic (bool): Send values to actuators without feedback state.
device (str): Path to serial port, ip adress or mqtt.
Attributes:
_wrapped_gateway (mysensors.SerialGateway): Wrapped gateway.
platform_callbacks (list): Callback functions, one per platform.
optimistic (bool): Send values to actuators without feedback state.
device (str): Device configured as gateway.
__initialised (bool): True if GatewayWrapper is initialised.
"""
self._wrapped_gateway = gateway
self.platform_callbacks = []
self.optimistic = optimistic
self.device = device
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(msg):
"""Handle node updates from the MySensors gateway."""
_LOGGER.debug(
"Update: node %s, child %s sub_type %s",
msg.node_id, msg.child_id, msg.sub_type)
for callback in self.platform_callbacks:
callback(self, msg)
return node_update
class MySensorsDeviceEntity(object):
"""Representation of a MySensors entity."""
def __init__(self, gateway, node_id, child_id, name, value_type):
"""Set up the MySensors device."""
self.gateway = gateway
self.node_id = node_id
self.child_id = child_id
self._name = name
self.value_type = value_type
child = gateway.sensors[node_id].children[child_id]
self.child_type = child.type
self._values = {}
@property
def should_poll(self):
"""Mysensor gateway pushes its state to HA."""
return False
@property
def name(self):
"""Return the name of this entity."""
return self._name
@property
def device_state_attributes(self):
"""Return device specific state attributes."""
node = self.gateway.sensors[self.node_id]
child = node.children[self.child_id]
attr = {
ATTR_BATTERY_LEVEL: node.battery_level,
ATTR_CHILD_ID: self.child_id,
ATTR_DESCRIPTION: child.description,
ATTR_DEVICE: self.gateway.device,
ATTR_NODE_ID: self.node_id,
}
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.protocol_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]
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)
elif value_type == set_req.V_DIMMER:
self._values[value_type] = int(value)
else:
self._values[value_type] = value