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69 lines
2.3 KiB
Python
69 lines
2.3 KiB
Python
from esphome import automation
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import esphome.codegen as cg
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from esphome.components import binary_sensor
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import esphome.config_validation as cv
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from esphome.const import CONF_CONDITION, CONF_ID, CONF_LAMBDA, CONF_STATE
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from esphome.cpp_generator import LambdaExpression
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from .. import template_ns
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TemplateBinarySensor = template_ns.class_(
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"TemplateBinarySensor", binary_sensor.BinarySensor, cg.Component
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)
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CONFIG_SCHEMA = (
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binary_sensor.binary_sensor_schema(TemplateBinarySensor)
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.extend(
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{
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cv.Exclusive(CONF_LAMBDA, CONF_CONDITION): cv.returning_lambda,
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cv.Exclusive(
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CONF_CONDITION, CONF_CONDITION
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): automation.validate_potentially_and_condition,
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}
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)
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.extend(cv.COMPONENT_SCHEMA)
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)
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async def to_code(config):
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var = await binary_sensor.new_binary_sensor(config)
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await cg.register_component(var, config)
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if lamb := config.get(CONF_LAMBDA):
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template_ = await cg.process_lambda(
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lamb, [], return_type=cg.optional.template(bool)
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)
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cg.add(var.set_template(template_))
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if condition := config.get(CONF_CONDITION):
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condition = await automation.build_condition(
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condition, cg.TemplateArguments(), []
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)
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# Generate a stateless lambda that calls condition.check()
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# capture="" is safe because condition is a global variable in generated C++ code
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# and doesn't need to be captured. This allows implicit conversion to function pointer.
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template_ = LambdaExpression(
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f"return {condition.check()};",
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[],
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return_type=cg.optional.template(bool),
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capture="",
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)
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cg.add(var.set_template(template_))
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@automation.register_action(
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"binary_sensor.template.publish",
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binary_sensor.BinarySensorPublishAction,
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cv.Schema(
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{
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cv.Required(CONF_ID): cv.use_id(binary_sensor.BinarySensor),
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cv.Required(CONF_STATE): cv.templatable(cv.boolean),
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}
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),
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)
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async def binary_sensor_template_publish_to_code(config, action_id, template_arg, args):
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paren = await cg.get_variable(config[CONF_ID])
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var = cg.new_Pvariable(action_id, template_arg, paren)
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template_ = await cg.templatable(config[CONF_STATE], args, bool)
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cg.add(var.set_state(template_))
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return var
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