core/homeassistant/components/spotcrime/sensor.py

123 lines
4.1 KiB
Python

"""Sensor for Spot Crime."""
from datetime import timedelta
from collections import defaultdict
import logging
import voluptuous as vol
from homeassistant.components.sensor import PLATFORM_SCHEMA
from homeassistant.const import (CONF_API_KEY, CONF_INCLUDE, CONF_EXCLUDE,
CONF_NAME, CONF_LATITUDE, CONF_LONGITUDE,
ATTR_ATTRIBUTION, ATTR_LATITUDE,
ATTR_LONGITUDE, CONF_RADIUS)
from homeassistant.helpers.entity import Entity
from homeassistant.util import slugify
import homeassistant.helpers.config_validation as cv
REQUIREMENTS = ['spotcrime==1.0.3']
_LOGGER = logging.getLogger(__name__)
CONF_DAYS = 'days'
DEFAULT_DAYS = 1
NAME = 'spotcrime'
EVENT_INCIDENT = '{}_incident'.format(NAME)
SCAN_INTERVAL = timedelta(minutes=30)
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
vol.Required(CONF_NAME): cv.string,
vol.Required(CONF_RADIUS): vol.Coerce(float),
vol.Required(CONF_API_KEY): cv.string,
vol.Inclusive(CONF_LATITUDE, 'coordinates'): cv.latitude,
vol.Inclusive(CONF_LONGITUDE, 'coordinates'): cv.longitude,
vol.Optional(CONF_DAYS, default=DEFAULT_DAYS): cv.positive_int,
vol.Optional(CONF_INCLUDE): vol.All(cv.ensure_list, [cv.string]),
vol.Optional(CONF_EXCLUDE): vol.All(cv.ensure_list, [cv.string])
})
def setup_platform(hass, config, add_entities, discovery_info=None):
"""Set up the Crime Reports platform."""
latitude = config.get(CONF_LATITUDE, hass.config.latitude)
longitude = config.get(CONF_LONGITUDE, hass.config.longitude)
name = config[CONF_NAME]
radius = config[CONF_RADIUS]
api_key = config[CONF_API_KEY]
days = config.get(CONF_DAYS)
include = config.get(CONF_INCLUDE)
exclude = config.get(CONF_EXCLUDE)
add_entities([SpotCrimeSensor(
name, latitude, longitude, radius, include,
exclude, api_key, days)], True)
class SpotCrimeSensor(Entity):
"""Representation of a Spot Crime Sensor."""
def __init__(self, name, latitude, longitude, radius,
include, exclude, api_key, days):
"""Initialize the Spot Crime sensor."""
import spotcrime
self._name = name
self._include = include
self._exclude = exclude
self.api_key = api_key
self.days = days
self._spotcrime = spotcrime.SpotCrime(
(latitude, longitude), radius, self._include,
self._exclude, self.api_key, self.days)
self._attributes = None
self._state = None
self._previous_incidents = set()
self._attributes = {
ATTR_ATTRIBUTION: spotcrime.ATTRIBUTION
}
@property
def name(self):
"""Return the name of the sensor."""
return self._name
@property
def state(self):
"""Return the state of the sensor."""
return self._state
@property
def device_state_attributes(self):
"""Return the state attributes."""
return self._attributes
def _incident_event(self, incident):
data = {
'type': incident.get('type'),
'timestamp': incident.get('timestamp'),
'address': incident.get('location')
}
if incident.get('coordinates'):
data.update({
ATTR_LATITUDE: incident.get('lat'),
ATTR_LONGITUDE: incident.get('lon')
})
self.hass.bus.fire(EVENT_INCIDENT, data)
def update(self):
"""Update device state."""
incident_counts = defaultdict(int)
incidents = self._spotcrime.get_incidents()
if len(incidents) < len(self._previous_incidents):
self._previous_incidents = set()
for incident in incidents:
incident_type = slugify(incident.get('type'))
incident_counts[incident_type] += 1
if (self._previous_incidents and incident.get('id')
not in self._previous_incidents):
self._incident_event(incident)
self._previous_incidents.add(incident.get('id'))
self._attributes.update(incident_counts)
self._state = len(incidents)