core/homeassistant/components/input_datetime.py

228 lines
7.4 KiB
Python

"""
Component to offer a way to select a date and / or a time.
For more details about this component, please refer to the documentation
at https://home-assistant.io/components/input_datetime/
"""
import asyncio
import logging
import datetime
import voluptuous as vol
from homeassistant.const import (
ATTR_ENTITY_ID, CONF_ICON, CONF_NAME, STATE_UNKNOWN)
import homeassistant.helpers.config_validation as cv
from homeassistant.helpers.entity import Entity
from homeassistant.helpers.entity_component import EntityComponent
from homeassistant.helpers.restore_state import async_get_last_state
from homeassistant.util import dt as dt_util
_LOGGER = logging.getLogger(__name__)
DOMAIN = 'input_datetime'
ENTITY_ID_FORMAT = DOMAIN + '.{}'
CONF_HAS_DATE = 'has_date'
CONF_HAS_TIME = 'has_time'
CONF_INITIAL = 'initial'
ATTR_DATE = 'date'
ATTR_TIME = 'time'
SERVICE_SET_DATETIME = 'set_datetime'
SERVICE_SET_DATETIME_SCHEMA = vol.Schema({
vol.Optional(ATTR_ENTITY_ID): cv.entity_ids,
vol.Optional(ATTR_DATE): cv.date,
vol.Optional(ATTR_TIME): cv.time,
})
CONFIG_SCHEMA = vol.Schema({
DOMAIN: vol.Schema({
cv.slug: vol.All({
vol.Optional(CONF_NAME): cv.string,
vol.Required(CONF_HAS_DATE): cv.boolean,
vol.Required(CONF_HAS_TIME): cv.boolean,
vol.Optional(CONF_ICON): cv.icon,
vol.Optional(CONF_INITIAL): cv.string,
}, cv.has_at_least_one_key_value((CONF_HAS_DATE, True),
(CONF_HAS_TIME, True)))})
}, extra=vol.ALLOW_EXTRA)
@asyncio.coroutine
def async_set_datetime(hass, entity_id, dt_value):
"""Set date and / or time of input_datetime."""
yield from hass.services.async_call(DOMAIN, SERVICE_SET_DATETIME, {
ATTR_ENTITY_ID: entity_id,
ATTR_DATE: dt_value.date(),
ATTR_TIME: dt_value.time()
})
@asyncio.coroutine
def async_setup(hass, config):
"""Set up an input datetime."""
component = EntityComponent(_LOGGER, DOMAIN, hass)
entities = []
for object_id, cfg in config[DOMAIN].items():
name = cfg.get(CONF_NAME)
has_time = cfg.get(CONF_HAS_TIME)
has_date = cfg.get(CONF_HAS_DATE)
icon = cfg.get(CONF_ICON)
initial = cfg.get(CONF_INITIAL)
entities.append(InputDatetime(object_id, name,
has_date, has_time, icon, initial))
if not entities:
return False
@asyncio.coroutine
def async_set_datetime_service(call):
"""Handle a call to the input datetime 'set datetime' service."""
target_inputs = component.async_extract_from_service(call)
tasks = []
for input_datetime in target_inputs:
time = call.data.get(ATTR_TIME)
date = call.data.get(ATTR_DATE)
if (input_datetime.has_date() and not date) or \
(input_datetime.has_time() and not time):
_LOGGER.error("Invalid service data for "
"input_datetime.set_datetime: %s",
str(call.data))
continue
tasks.append(input_datetime.async_set_datetime(date, time))
if tasks:
yield from asyncio.wait(tasks, loop=hass.loop)
hass.services.async_register(
DOMAIN, SERVICE_SET_DATETIME, async_set_datetime_service,
schema=SERVICE_SET_DATETIME_SCHEMA)
yield from component.async_add_entities(entities)
return True
class InputDatetime(Entity):
"""Representation of a datetime input."""
def __init__(self, object_id, name, has_date, has_time, icon, initial):
"""Initialize a select input."""
self.entity_id = ENTITY_ID_FORMAT.format(object_id)
self._name = name
self._has_date = has_date
self._has_time = has_time
self._icon = icon
self._initial = initial
self._current_datetime = None
@asyncio.coroutine
def async_added_to_hass(self):
"""Run when entity about to be added."""
restore_val = None
# Priority 1: Initial State
if self._initial is not None:
restore_val = self._initial
# Priority 2: Old state
if restore_val is None:
old_state = yield from async_get_last_state(self.hass,
self.entity_id)
if old_state is not None:
restore_val = old_state.state
if restore_val is not None:
if not self._has_date:
self._current_datetime = dt_util.parse_time(restore_val)
elif not self._has_time:
self._current_datetime = dt_util.parse_date(restore_val)
else:
self._current_datetime = dt_util.parse_datetime(restore_val)
def has_date(self):
"""Return whether the input datetime carries a date."""
return self._has_date
def has_time(self):
"""Return whether the input datetime carries a time."""
return self._has_time
@property
def should_poll(self):
"""If entity should be polled."""
return False
@property
def name(self):
"""Return the name of the select input."""
return self._name
@property
def icon(self):
"""Return the icon to be used for this entity."""
return self._icon
@property
def state(self):
"""Return the state of the component."""
if self._current_datetime is None:
return STATE_UNKNOWN
return self._current_datetime
@property
def state_attributes(self):
"""Return the state attributes."""
attrs = {
'has_date': self._has_date,
'has_time': self._has_time,
}
if self._current_datetime is None:
return attrs
if self._has_date and self._current_datetime is not None:
attrs['year'] = self._current_datetime.year
attrs['month'] = self._current_datetime.month
attrs['day'] = self._current_datetime.day
if self._has_time and self._current_datetime is not None:
attrs['hour'] = self._current_datetime.hour
attrs['minute'] = self._current_datetime.minute
attrs['second'] = self._current_datetime.second
if self._current_datetime is not None:
if not self._has_date:
attrs['timestamp'] = self._current_datetime.hour * 3600 + \
self._current_datetime.minute * 60 + \
self._current_datetime.second
elif not self._has_time:
extended = datetime.datetime.combine(self._current_datetime,
datetime.time(0, 0))
attrs['timestamp'] = extended.timestamp()
else:
attrs['timestamp'] = self._current_datetime.timestamp()
return attrs
@asyncio.coroutine
def async_set_datetime(self, date_val, time_val):
"""Set a new date / time."""
if self._has_date and self._has_time and date_val and time_val:
self._current_datetime = datetime.datetime.combine(date_val,
time_val)
elif self._has_date and not self._has_time and date_val:
self._current_datetime = date_val
if self._has_time and not self._has_date and time_val:
self._current_datetime = time_val
yield from self.async_update_ha_state()