core/homeassistant/components/automation/time.py

106 lines
3.2 KiB
Python

"""
homeassistant.components.automation.time
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Offers time listening automation rules.
"""
import logging
from homeassistant.util import convert
import homeassistant.util.dt as dt_util
from homeassistant.helpers.event import track_time_change
CONF_HOURS = "hours"
CONF_MINUTES = "minutes"
CONF_SECONDS = "seconds"
CONF_BEFORE = "before"
CONF_AFTER = "after"
CONF_WEEKDAY = "weekday"
WEEKDAYS = ['mon', 'tue', 'wed', 'thu', 'fri', 'sat', 'sun']
_LOGGER = logging.getLogger(__name__)
def trigger(hass, config, action):
""" Listen for state changes based on `config`. """
if CONF_AFTER in config:
after = dt_util.parse_time_str(config[CONF_AFTER])
if after is None:
_error_time(config[CONF_AFTER], CONF_AFTER)
return False
hours, minutes, seconds = after.hour, after.minute, after.second
elif (CONF_HOURS in config or CONF_MINUTES in config
or CONF_SECONDS in config):
hours = convert(config.get(CONF_HOURS), int)
minutes = convert(config.get(CONF_MINUTES), int)
seconds = convert(config.get(CONF_SECONDS), int)
else:
_LOGGER.error('One of %s, %s, %s OR %s needs to be specified',
CONF_HOURS, CONF_MINUTES, CONF_SECONDS, CONF_AFTER)
return False
def time_automation_listener(now):
""" Listens for time changes and calls action. """
action()
track_time_change(hass, time_automation_listener,
hour=hours, minute=minutes, second=seconds)
return True
def if_action(hass, config):
""" Wraps action method with time based condition. """
before = config.get(CONF_BEFORE)
after = config.get(CONF_AFTER)
weekday = config.get(CONF_WEEKDAY)
if before is None and after is None and weekday is None:
logging.getLogger(__name__).error(
"Missing if-condition configuration key %s, %s or %s",
CONF_BEFORE, CONF_AFTER, CONF_WEEKDAY)
return None
if before is not None:
before = dt_util.parse_time_str(before)
if before is None:
_error_time(before, CONF_BEFORE)
return None
if after is not None:
after = dt_util.parse_time_str(after)
if after is None:
_error_time(after, CONF_AFTER)
return None
def time_if():
""" Validate time based if-condition """
now = dt_util.now()
if before is not None and now > now.replace(hour=before.hour,
minute=before.minute):
return False
if after is not None and now < now.replace(hour=after.hour,
minute=after.minute):
return False
if weekday is not None:
now_weekday = WEEKDAYS[now.weekday()]
if isinstance(weekday, str) and weekday != now_weekday or \
now_weekday not in weekday:
return False
return True
return time_if
def _error_time(value, key):
""" Helper method to print error. """
_LOGGER.error(
"Received invalid value for '%s': %s", key, value)
if isinstance(value, int):
_LOGGER.error('Make sure you wrap time values in quotes')