mirror of https://github.com/esphome/esphome.git
317 lines
11 KiB
Python
317 lines
11 KiB
Python
import esphome.codegen as cg
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import esphome.config_validation as cv
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from esphome.const import (
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CONF_AUTOMATION_ID,
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CONF_CONDITION,
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CONF_ELSE,
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CONF_ID,
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CONF_THEN,
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CONF_TRIGGER_ID,
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CONF_TYPE_ID,
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CONF_TIME,
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)
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from esphome.core import coroutine
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from esphome.util import Registry
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def maybe_simple_id(*validators):
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return maybe_conf(CONF_ID, *validators)
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def maybe_conf(conf, *validators):
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validator = cv.All(*validators)
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def validate(value):
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if isinstance(value, dict):
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return validator(value)
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with cv.remove_prepend_path([conf]):
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return validator({conf: value})
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return validate
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def register_action(name, action_type, schema):
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return ACTION_REGISTRY.register(name, action_type, schema)
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def register_condition(name, condition_type, schema):
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return CONDITION_REGISTRY.register(name, condition_type, schema)
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Action = cg.esphome_ns.class_("Action")
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Trigger = cg.esphome_ns.class_("Trigger")
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ACTION_REGISTRY = Registry()
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Condition = cg.esphome_ns.class_("Condition")
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CONDITION_REGISTRY = Registry()
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validate_action = cv.validate_registry_entry("action", ACTION_REGISTRY)
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validate_action_list = cv.validate_registry("action", ACTION_REGISTRY)
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validate_condition = cv.validate_registry_entry("condition", CONDITION_REGISTRY)
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validate_condition_list = cv.validate_registry("condition", CONDITION_REGISTRY)
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def validate_potentially_and_condition(value):
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if isinstance(value, list):
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with cv.remove_prepend_path(["and"]):
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return validate_condition({"and": value})
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return validate_condition(value)
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DelayAction = cg.esphome_ns.class_("DelayAction", Action, cg.Component)
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LambdaAction = cg.esphome_ns.class_("LambdaAction", Action)
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IfAction = cg.esphome_ns.class_("IfAction", Action)
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WhileAction = cg.esphome_ns.class_("WhileAction", Action)
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WaitUntilAction = cg.esphome_ns.class_("WaitUntilAction", Action, cg.Component)
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UpdateComponentAction = cg.esphome_ns.class_("UpdateComponentAction", Action)
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Automation = cg.esphome_ns.class_("Automation")
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LambdaCondition = cg.esphome_ns.class_("LambdaCondition", Condition)
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ForCondition = cg.esphome_ns.class_("ForCondition", Condition, cg.Component)
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def validate_automation(extra_schema=None, extra_validators=None, single=False):
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if extra_schema is None:
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extra_schema = {}
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if isinstance(extra_schema, cv.Schema):
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extra_schema = extra_schema.schema
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schema = AUTOMATION_SCHEMA.extend(extra_schema)
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def validator_(value):
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if isinstance(value, list):
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# List of items, there are two possible options here, either a sequence of
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# actions (no then:) or a list of automations.
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try:
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# First try as a sequence of actions
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# If that succeeds, return immediately
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with cv.remove_prepend_path([CONF_THEN]):
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return [schema({CONF_THEN: value})]
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except cv.Invalid as err:
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# Next try as a sequence of automations
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try:
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return cv.Schema([schema])(value)
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except cv.Invalid as err2:
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if "extra keys not allowed" in str(err2) and len(err2.path) == 2:
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# pylint: disable=raise-missing-from
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raise err
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if "Unable to find action" in str(err):
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raise err2
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raise cv.MultipleInvalid([err, err2])
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elif isinstance(value, dict):
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if CONF_THEN in value:
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return [schema(value)]
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with cv.remove_prepend_path([CONF_THEN]):
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return [schema({CONF_THEN: value})]
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# This should only happen with invalid configs, but let's have a nice error message.
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return [schema(value)]
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def validator(value):
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value = validator_(value)
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if extra_validators is not None:
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value = cv.Schema([extra_validators])(value)
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if single:
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if len(value) != 1:
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raise cv.Invalid("Cannot have more than 1 automation for templates")
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return value[0]
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return value
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return validator
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AUTOMATION_SCHEMA = cv.Schema(
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{
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cv.GenerateID(CONF_TRIGGER_ID): cv.declare_id(Trigger),
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cv.GenerateID(CONF_AUTOMATION_ID): cv.declare_id(Automation),
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cv.Required(CONF_THEN): validate_action_list,
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}
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)
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AndCondition = cg.esphome_ns.class_("AndCondition", Condition)
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OrCondition = cg.esphome_ns.class_("OrCondition", Condition)
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NotCondition = cg.esphome_ns.class_("NotCondition", Condition)
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@register_condition("and", AndCondition, validate_condition_list)
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def and_condition_to_code(config, condition_id, template_arg, args):
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conditions = yield build_condition_list(config, template_arg, args)
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yield cg.new_Pvariable(condition_id, template_arg, conditions)
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@register_condition("or", OrCondition, validate_condition_list)
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def or_condition_to_code(config, condition_id, template_arg, args):
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conditions = yield build_condition_list(config, template_arg, args)
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yield cg.new_Pvariable(condition_id, template_arg, conditions)
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@register_condition("not", NotCondition, validate_potentially_and_condition)
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def not_condition_to_code(config, condition_id, template_arg, args):
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condition = yield build_condition(config, template_arg, args)
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yield cg.new_Pvariable(condition_id, template_arg, condition)
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@register_condition("lambda", LambdaCondition, cv.lambda_)
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def lambda_condition_to_code(config, condition_id, template_arg, args):
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lambda_ = yield cg.process_lambda(config, args, return_type=bool)
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yield cg.new_Pvariable(condition_id, template_arg, lambda_)
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@register_condition(
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"for",
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ForCondition,
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cv.Schema(
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{
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cv.Required(CONF_TIME): cv.templatable(
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cv.positive_time_period_milliseconds
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),
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cv.Required(CONF_CONDITION): validate_potentially_and_condition,
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}
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).extend(cv.COMPONENT_SCHEMA),
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)
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def for_condition_to_code(config, condition_id, template_arg, args):
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condition = yield build_condition(
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config[CONF_CONDITION], cg.TemplateArguments(), []
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)
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var = cg.new_Pvariable(condition_id, template_arg, condition)
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yield cg.register_component(var, config)
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templ = yield cg.templatable(config[CONF_TIME], args, cg.uint32)
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cg.add(var.set_time(templ))
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yield var
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@register_action(
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"delay", DelayAction, cv.templatable(cv.positive_time_period_milliseconds)
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)
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def delay_action_to_code(config, action_id, template_arg, args):
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var = cg.new_Pvariable(action_id, template_arg)
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yield cg.register_component(var, {})
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template_ = yield cg.templatable(config, args, cg.uint32)
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cg.add(var.set_delay(template_))
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yield var
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@register_action(
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"if",
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IfAction,
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cv.All(
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{
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cv.Required(CONF_CONDITION): validate_potentially_and_condition,
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cv.Optional(CONF_THEN): validate_action_list,
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cv.Optional(CONF_ELSE): validate_action_list,
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},
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cv.has_at_least_one_key(CONF_THEN, CONF_ELSE),
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),
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)
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def if_action_to_code(config, action_id, template_arg, args):
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conditions = yield build_condition(config[CONF_CONDITION], template_arg, args)
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var = cg.new_Pvariable(action_id, template_arg, conditions)
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if CONF_THEN in config:
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actions = yield build_action_list(config[CONF_THEN], template_arg, args)
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cg.add(var.add_then(actions))
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if CONF_ELSE in config:
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actions = yield build_action_list(config[CONF_ELSE], template_arg, args)
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cg.add(var.add_else(actions))
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yield var
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@register_action(
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"while",
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WhileAction,
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cv.Schema(
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{
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cv.Required(CONF_CONDITION): validate_potentially_and_condition,
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cv.Required(CONF_THEN): validate_action_list,
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}
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),
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)
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def while_action_to_code(config, action_id, template_arg, args):
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conditions = yield build_condition(config[CONF_CONDITION], template_arg, args)
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var = cg.new_Pvariable(action_id, template_arg, conditions)
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actions = yield build_action_list(config[CONF_THEN], template_arg, args)
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cg.add(var.add_then(actions))
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yield var
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def validate_wait_until(value):
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schema = cv.Schema(
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{
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cv.Required(CONF_CONDITION): validate_potentially_and_condition,
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}
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)
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if isinstance(value, dict) and CONF_CONDITION in value:
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return schema(value)
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return validate_wait_until({CONF_CONDITION: value})
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@register_action("wait_until", WaitUntilAction, validate_wait_until)
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def wait_until_action_to_code(config, action_id, template_arg, args):
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conditions = yield build_condition(config[CONF_CONDITION], template_arg, args)
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var = cg.new_Pvariable(action_id, template_arg, conditions)
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yield cg.register_component(var, {})
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yield var
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@register_action("lambda", LambdaAction, cv.lambda_)
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def lambda_action_to_code(config, action_id, template_arg, args):
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lambda_ = yield cg.process_lambda(config, args, return_type=cg.void)
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yield cg.new_Pvariable(action_id, template_arg, lambda_)
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@register_action(
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"component.update",
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UpdateComponentAction,
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maybe_simple_id(
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{
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cv.Required(CONF_ID): cv.use_id(cg.PollingComponent),
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}
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),
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)
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def component_update_action_to_code(config, action_id, template_arg, args):
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comp = yield cg.get_variable(config[CONF_ID])
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yield cg.new_Pvariable(action_id, template_arg, comp)
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@coroutine
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def build_action(full_config, template_arg, args):
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registry_entry, config = cg.extract_registry_entry_config(
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ACTION_REGISTRY, full_config
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)
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action_id = full_config[CONF_TYPE_ID]
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builder = registry_entry.coroutine_fun
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yield builder(config, action_id, template_arg, args)
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@coroutine
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def build_action_list(config, templ, arg_type):
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actions = []
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for conf in config:
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action = yield build_action(conf, templ, arg_type)
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actions.append(action)
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yield actions
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@coroutine
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def build_condition(full_config, template_arg, args):
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registry_entry, config = cg.extract_registry_entry_config(
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CONDITION_REGISTRY, full_config
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)
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action_id = full_config[CONF_TYPE_ID]
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builder = registry_entry.coroutine_fun
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yield builder(config, action_id, template_arg, args)
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@coroutine
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def build_condition_list(config, templ, args):
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conditions = []
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for conf in config:
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condition = yield build_condition(conf, templ, args)
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conditions.append(condition)
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yield conditions
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@coroutine
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def build_automation(trigger, args, config):
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arg_types = [arg[0] for arg in args]
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templ = cg.TemplateArguments(*arg_types)
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obj = cg.new_Pvariable(config[CONF_AUTOMATION_ID], templ, trigger)
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actions = yield build_action_list(config[CONF_THEN], templ, args)
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cg.add(obj.add_actions(actions))
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yield obj
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