esphome/esphome/components/event/__init__.py

134 lines
3.9 KiB
Python

from esphome import automation
import esphome.codegen as cg
from esphome.components import mqtt
import esphome.config_validation as cv
from esphome.const import (
CONF_DEVICE_CLASS,
CONF_ENTITY_CATEGORY,
CONF_EVENT_TYPE,
CONF_ICON,
CONF_ID,
CONF_MQTT_ID,
CONF_ON_EVENT,
CONF_TRIGGER_ID,
DEVICE_CLASS_BUTTON,
DEVICE_CLASS_DOORBELL,
DEVICE_CLASS_EMPTY,
DEVICE_CLASS_MOTION,
)
from esphome.core import CORE, coroutine_with_priority
from esphome.cpp_generator import MockObjClass
from esphome.cpp_helpers import setup_entity
CODEOWNERS = ["@nohat"]
IS_PLATFORM_COMPONENT = True
DEVICE_CLASSES = [
DEVICE_CLASS_BUTTON,
DEVICE_CLASS_DOORBELL,
DEVICE_CLASS_EMPTY,
DEVICE_CLASS_MOTION,
]
event_ns = cg.esphome_ns.namespace("event")
Event = event_ns.class_("Event", cg.EntityBase)
EventPtr = Event.operator("ptr")
TriggerEventAction = event_ns.class_("TriggerEventAction", automation.Action)
EventTrigger = event_ns.class_("EventTrigger", automation.Trigger.template())
validate_device_class = cv.one_of(*DEVICE_CLASSES, lower=True, space="_")
EVENT_SCHEMA = cv.ENTITY_BASE_SCHEMA.extend(cv.MQTT_COMPONENT_SCHEMA).extend(
{
cv.OnlyWith(CONF_MQTT_ID, "mqtt"): cv.declare_id(mqtt.MQTTEventComponent),
cv.GenerateID(): cv.declare_id(Event),
cv.Optional(CONF_DEVICE_CLASS): validate_device_class,
cv.Optional(CONF_ON_EVENT): automation.validate_automation(
{
cv.GenerateID(CONF_TRIGGER_ID): cv.declare_id(EventTrigger),
}
),
}
)
_UNDEF = object()
def event_schema(
class_: MockObjClass = _UNDEF,
*,
icon: str = _UNDEF,
entity_category: str = _UNDEF,
device_class: str = _UNDEF,
) -> cv.Schema:
schema = {}
if class_ is not _UNDEF:
schema[cv.GenerateID()] = cv.declare_id(class_)
for key, default, validator in [
(CONF_ICON, icon, cv.icon),
(CONF_ENTITY_CATEGORY, entity_category, cv.entity_category),
(CONF_DEVICE_CLASS, device_class, validate_device_class),
]:
if default is not _UNDEF:
schema[cv.Optional(key, default=default)] = validator
return EVENT_SCHEMA.extend(schema)
async def setup_event_core_(var, config, *, event_types: list[str]):
await setup_entity(var, config)
for conf in config.get(CONF_ON_EVENT, []):
trigger = cg.new_Pvariable(conf[CONF_TRIGGER_ID], var)
await automation.build_automation(
trigger, [(cg.std_string, "event_type")], conf
)
cg.add(var.set_event_types(event_types))
if (device_class := config.get(CONF_DEVICE_CLASS)) is not None:
cg.add(var.set_device_class(device_class))
if mqtt_id := config.get(CONF_MQTT_ID):
mqtt_ = cg.new_Pvariable(mqtt_id, var)
await mqtt.register_mqtt_component(mqtt_, config)
async def register_event(var, config, *, event_types: list[str]):
if not CORE.has_id(config[CONF_ID]):
var = cg.Pvariable(config[CONF_ID], var)
cg.add(cg.App.register_event(var))
await setup_event_core_(var, config, event_types=event_types)
async def new_event(config, *, event_types: list[str]):
var = cg.new_Pvariable(config[CONF_ID])
await register_event(var, config, event_types=event_types)
return var
TRIGGER_EVENT_SCHEMA = cv.Schema(
{
cv.Required(CONF_ID): cv.use_id(Event),
cv.Required(CONF_EVENT_TYPE): cv.templatable(cv.string_strict),
}
)
@automation.register_action("event.trigger", TriggerEventAction, TRIGGER_EVENT_SCHEMA)
async def event_fire_to_code(config, action_id, template_arg, args):
var = cg.new_Pvariable(action_id, template_arg)
await cg.register_parented(var, config[CONF_ID])
templ = await cg.templatable(config[CONF_EVENT_TYPE], args, cg.std_string)
cg.add(var.set_event_type(templ))
return var
@coroutine_with_priority(100.0)
async def to_code(config):
cg.add_define("USE_EVENT")
cg.add_global(event_ns.using)