forked from home-assistant/core
/
flunearyou.py
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/
flunearyou.py
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"""
Support for user- and CDC-based flu info sensors from Flu Near You.
For more details about this platform, please refer to the documentation at
https://home-assistant.io/components/sensor.flunearyou/
"""
import logging
from datetime import timedelta
import voluptuous as vol
import homeassistant.helpers.config_validation as cv
from homeassistant.components.sensor import PLATFORM_SCHEMA
from homeassistant.const import (
ATTR_ATTRIBUTION, ATTR_STATE, CONF_LATITUDE, CONF_MONITORED_CONDITIONS,
CONF_LONGITUDE)
from homeassistant.helpers import aiohttp_client
from homeassistant.helpers.entity import Entity
from homeassistant.util import Throttle
REQUIREMENTS = ['pyflunearyou==0.0.2']
_LOGGER = logging.getLogger(__name__)
ATTR_CITY = 'city'
ATTR_REPORTED_DATE = 'reported_date'
ATTR_REPORTED_LATITUDE = 'reported_latitude'
ATTR_REPORTED_LONGITUDE = 'reported_longitude'
ATTR_ZIP_CODE = 'zip_code'
DEFAULT_ATTRIBUTION = 'Data provided by Flu Near You'
MIN_TIME_BETWEEN_UPDATES = timedelta(minutes=10)
SCAN_INTERVAL = timedelta(minutes=30)
CATEGORY_CDC_REPORT = 'cdc_report'
CATEGORY_USER_REPORT = 'user_report'
TYPE_CDC_LEVEL = 'level'
TYPE_CDC_LEVEL2 = 'level2'
TYPE_USER_CHICK = 'chick'
TYPE_USER_DENGUE = 'dengue'
TYPE_USER_FLU = 'flu'
TYPE_USER_LEPTO = 'lepto'
TYPE_USER_NO_NONE = 'none'
TYPE_USER_SYMPTOMS = 'symptoms'
TYPE_USER_TOTAL = 'total'
SENSORS = {
CATEGORY_CDC_REPORT: [
(TYPE_CDC_LEVEL, 'CDC Level', 'mdi:biohazard', None),
(TYPE_CDC_LEVEL2, 'CDC Level 2', 'mdi:biohazard', None),
],
CATEGORY_USER_REPORT: [
(TYPE_USER_CHICK, 'Avian Flu Symptoms', 'mdi:alert', 'reports'),
(TYPE_USER_DENGUE, 'Dengue Fever Symptoms', 'mdi:alert', 'reports'),
(TYPE_USER_FLU, 'Flu Symptoms', 'mdi:alert', 'reports'),
(TYPE_USER_LEPTO, 'Leptospirosis Symptoms', 'mdi:alert', 'reports'),
(TYPE_USER_NO_NONE, 'No Symptoms', 'mdi:alert', 'reports'),
(TYPE_USER_SYMPTOMS, 'Flu-like Symptoms', 'mdi:alert', 'reports'),
(TYPE_USER_TOTAL, 'Total Symptoms', 'mdi:alert', 'reports'),
]
}
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
vol.Optional(CONF_LATITUDE): cv.latitude,
vol.Optional(CONF_LONGITUDE): cv.longitude,
vol.Required(CONF_MONITORED_CONDITIONS, default=list(SENSORS)):
vol.All(cv.ensure_list, [vol.In(SENSORS)])
})
async def async_setup_platform(
hass, config, async_add_entities, discovery_info=None):
"""Configure the platform and add the sensors."""
from pyflunearyou import create_client
from pyflunearyou.errors import FluNearYouError
websession = aiohttp_client.async_get_clientsession(hass)
latitude = config.get(CONF_LATITUDE, hass.config.latitude)
longitude = config.get(CONF_LONGITUDE, hass.config.longitude)
identifier = '{0},{1}'.format(latitude, longitude)
try:
client = await create_client(latitude, longitude, websession)
except FluNearYouError as err:
_LOGGER.error('There was an error while setting up: %s', err)
return
fny = FluNearYouData(client, config[CONF_MONITORED_CONDITIONS])
await fny.async_update()
sensors = [
FluNearYouSensor(fny, kind, name, identifier, category, icon, unit)
for category in config[CONF_MONITORED_CONDITIONS]
for kind, name, icon, unit in SENSORS[category]
]
async_add_entities(sensors, True)
class FluNearYouSensor(Entity):
"""Define a base Flu Near You sensor."""
def __init__(self, fny, kind, name, identifier, category, icon, unit):
"""Initialize the sensor."""
self._attrs = {ATTR_ATTRIBUTION: DEFAULT_ATTRIBUTION}
self._category = category
self._icon = icon
self._identifier = identifier
self._kind = kind
self._name = name
self._state = None
self._unit = unit
self.fny = fny
@property
def available(self):
"""Return True if entity is available."""
return bool(self.fny.data[self._category])
@property
def device_state_attributes(self):
"""Return the device state attributes."""
return self._attrs
@property
def icon(self):
"""Return the icon."""
return self._icon
@property
def name(self):
"""Return the name."""
return self._name
@property
def state(self):
"""Return the state."""
return self._state
@property
def unique_id(self):
"""Return a unique, HASS-friendly identifier for this entity."""
return '{0}_{1}'.format(self._identifier, self._kind)
@property
def unit_of_measurement(self):
"""Return the unit the value is expressed in."""
return self._unit
async def async_update(self):
"""Update the sensor."""
await self.fny.async_update()
cdc_data = self.fny.data.get(CATEGORY_CDC_REPORT)
user_data = self.fny.data.get(CATEGORY_USER_REPORT)
if self._category == CATEGORY_CDC_REPORT and cdc_data:
self._attrs.update({
ATTR_REPORTED_DATE: cdc_data['week_date'],
ATTR_STATE: cdc_data['name'],
})
self._state = cdc_data[self._kind]
elif self._category == CATEGORY_USER_REPORT and user_data:
self._attrs.update({
ATTR_CITY: user_data['city'].split('(')[0],
ATTR_REPORTED_LATITUDE: user_data['latitude'],
ATTR_REPORTED_LONGITUDE: user_data['longitude'],
ATTR_ZIP_CODE: user_data['zip'],
})
if self._kind == TYPE_USER_TOTAL:
self._state = sum(
v for k, v in user_data.items() if k in (
TYPE_USER_CHICK, TYPE_USER_DENGUE, TYPE_USER_FLU,
TYPE_USER_LEPTO, TYPE_USER_SYMPTOMS))
else:
self._state = user_data[self._kind]
class FluNearYouData:
"""Define a data object to retrieve info from Flu Near You."""
def __init__(self, client, sensor_types):
"""Initialize."""
self._client = client
self._sensor_types = sensor_types
self.data = {}
async def _get_data(self, category, method):
"""Get data for a specific category."""
from pyflunearyou.errors import FluNearYouError
try:
self.data[category] = await method()
except FluNearYouError as err:
_LOGGER.error(
'There was an error with "%s" data: %s', category, err)
self.data[category] = {}
@Throttle(MIN_TIME_BETWEEN_UPDATES)
async def async_update(self):
"""Update Flu Near You data."""
if CATEGORY_CDC_REPORT in self._sensor_types:
await self._get_data(
CATEGORY_CDC_REPORT, self._client.cdc_reports.status)
if CATEGORY_USER_REPORT in self._sensor_types:
await self._get_data(
CATEGORY_USER_REPORT, self._client.user_reports.status)
_LOGGER.debug('New data stored: %s', self.data)