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Import homeassistant trigger platforms in the executor (#113124)

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J. Nick Koston 2024-03-11 15:58:12 -10:00 • committed by GitHub
parent 3f72fae60b
commit 52b2522be2
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1 changed files with 21 additions and 4 deletions
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25
homeassistant/components/homeassistant/trigger.py
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@ -11,16 +11,33 @@ from homeassistant.helpers.trigger import (
)
from homeassistant.helpers.typing import ConfigType
DATA_TRIGGER_PLATFORMS = "homeassistant_trigger_platforms"
def _get_trigger_platform(config: ConfigType) -> TriggerProtocol:
return importlib.import_module(f"..triggers.{config[CONF_PLATFORM]}", __name__)
def _get_trigger_platform(platform_name: str) -> TriggerProtocol:
"""Get trigger platform."""
return importlib.import_module(f"..triggers.{platform_name}", __name__)
async def _async_get_trigger_platform(
hass: HomeAssistant, platform_name: str
) -> TriggerProtocol:
"""Get trigger platform from cache or import it."""
cache: dict[str, TriggerProtocol] = hass.data.setdefault(DATA_TRIGGER_PLATFORMS, {})
if platform := cache.get(platform_name):
return platform
platform = await hass.async_add_import_executor_job(
_get_trigger_platform, platform_name
)
cache[platform_name] = platform
return platform
async def async_validate_trigger_config(
hass: HomeAssistant, config: ConfigType
) -> ConfigType:
"""Validate config."""
platform = _get_trigger_platform(config)
platform = await _async_get_trigger_platform(hass, config[CONF_PLATFORM])
if hasattr(platform, "async_validate_trigger_config"):
return await platform.async_validate_trigger_config(hass, config)
@ -34,5 +51,5 @@ async def async_attach_trigger(
trigger_info: TriggerInfo,
) -> CALLBACK_TYPE:
"""Attach trigger of specified platform."""
platform = _get_trigger_platform(config)
platform = await _async_get_trigger_platform(hass, config[CONF_PLATFORM])
return await platform.async_attach_trigger(hass, config, action, trigger_info)