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mirror of https://github.com/home-assistant/core synced 2024-07-30 21:18:57 +02:00
ha-core/homeassistant/components/input_datetime/reproduce_state.py
2021-10-17 20:15:48 +02:00

95 lines
2.7 KiB
Python

"""Reproduce an Input datetime state."""
from __future__ import annotations
import asyncio
from collections.abc import Iterable
import logging
from typing import Any
from homeassistant.const import ATTR_ENTITY_ID
from homeassistant.core import Context, HomeAssistant, State
from homeassistant.util import dt as dt_util
from . import ATTR_DATE, ATTR_DATETIME, ATTR_TIME, CONF_HAS_DATE, CONF_HAS_TIME, DOMAIN
_LOGGER = logging.getLogger(__name__)
def is_valid_datetime(string: str) -> bool:
"""Test if string dt is a valid datetime."""
try:
return dt_util.parse_datetime(string) is not None
except ValueError:
return False
def is_valid_date(string: str) -> bool:
"""Test if string dt is a valid date."""
return dt_util.parse_date(string) is not None
def is_valid_time(string: str) -> bool:
"""Test if string dt is a valid time."""
return dt_util.parse_time(string) is not None
async def _async_reproduce_state(
hass: HomeAssistant,
state: State,
*,
context: Context | None = None,
reproduce_options: dict[str, Any] | None = None,
) -> None:
"""Reproduce a single state."""
if (cur_state := hass.states.get(state.entity_id)) is None:
_LOGGER.warning("Unable to find entity %s", state.entity_id)
return
has_time = cur_state.attributes.get(CONF_HAS_TIME)
has_date = cur_state.attributes.get(CONF_HAS_DATE)
if not (
(is_valid_datetime(state.state) and has_date and has_time)
or (is_valid_date(state.state) and has_date and not has_time)
or (is_valid_time(state.state) and has_time and not has_date)
):
_LOGGER.warning(
"Invalid state specified for %s: %s", state.entity_id, state.state
)
return
# Return if we are already at the right state.
if cur_state.state == state.state:
return
service_data = {ATTR_ENTITY_ID: state.entity_id}
if has_time and has_date:
service_data[ATTR_DATETIME] = state.state
elif has_time:
service_data[ATTR_TIME] = state.state
elif has_date:
service_data[ATTR_DATE] = state.state
await hass.services.async_call(
DOMAIN, "set_datetime", service_data, context=context, blocking=True
)
async def async_reproduce_states(
hass: HomeAssistant,
states: Iterable[State],
*,
context: Context | None = None,
reproduce_options: dict[str, Any] | None = None,
) -> None:
"""Reproduce Input datetime states."""
await asyncio.gather(
*(
_async_reproduce_state(
hass, state, context=context, reproduce_options=reproduce_options
)
for state in states
)
)