esphome/esphome/automation.py

331 lines
11 KiB
Python

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