core/homeassistant/components/homeassistant/triggers/time_pattern.py

90 lines
2.6 KiB
Python

"""Offer time listening automation rules."""
import voluptuous as vol
from homeassistant.const import CONF_PLATFORM
from homeassistant.core import HassJob, callback
from homeassistant.helpers import config_validation as cv
from homeassistant.helpers.event import async_track_time_change
# mypy: allow-untyped-defs, no-check-untyped-defs
CONF_HOURS = "hours"
CONF_MINUTES = "minutes"
CONF_SECONDS = "seconds"
class TimePattern:
"""Validate a time pattern value.
:raises Invalid: If the value has a wrong format or is outside the range.
"""
def __init__(self, maximum):
"""Initialize time pattern."""
self.maximum = maximum
def __call__(self, value):
"""Validate input."""
try:
if value == "*":
return value
if isinstance(value, str) and value.startswith("/"):
number = int(value[1:])
else:
value = number = int(value)
if not (0 <= number <= self.maximum):
raise vol.Invalid(f"must be a value between 0 and {self.maximum}")
except ValueError as err:
raise vol.Invalid("invalid time_pattern value") from err
return value
TRIGGER_SCHEMA = vol.All(
cv.TRIGGER_BASE_SCHEMA.extend(
{
vol.Required(CONF_PLATFORM): "time_pattern",
CONF_HOURS: TimePattern(maximum=23),
CONF_MINUTES: TimePattern(maximum=59),
CONF_SECONDS: TimePattern(maximum=59),
}
),
cv.has_at_least_one_key(CONF_HOURS, CONF_MINUTES, CONF_SECONDS),
)
async def async_attach_trigger(hass, config, action, automation_info):
"""Listen for state changes based on configuration."""
trigger_data = automation_info["trigger_data"]
hours = config.get(CONF_HOURS)
minutes = config.get(CONF_MINUTES)
seconds = config.get(CONF_SECONDS)
job = HassJob(action)
# If larger units are specified, default the smaller units to zero
if minutes is None and hours is not None:
minutes = 0
if seconds is None and minutes is not None:
seconds = 0
@callback
def time_automation_listener(now):
"""Listen for time changes and calls action."""
hass.async_run_hass_job(
job,
{
"trigger": {
**trigger_data,
"platform": "time_pattern",
"now": now,
"description": "time pattern",
}
},
)
return async_track_time_change(
hass, time_automation_listener, hour=hours, minute=minutes, second=seconds
)