esphome/esphomeyaml/components/globals.py
2019-01-06 19:38:23 +01:00

36 lines
1.3 KiB
Python

import voluptuous as vol
from esphomeyaml import config_validation as cv
from esphomeyaml.const import CONF_ID, CONF_INITIAL_VALUE, CONF_RESTORE_VALUE, CONF_TYPE
from esphomeyaml.cpp_generator import Pvariable, RawExpression, TemplateArguments, add
from esphomeyaml.cpp_helpers import setup_component
from esphomeyaml.cpp_types import App, Component, esphomelib_ns
GlobalVariableComponent = esphomelib_ns.class_('GlobalVariableComponent', Component)
MULTI_CONF = True
CONFIG_SCHEMA = vol.Schema({
vol.Required(CONF_ID): cv.declare_variable_id(GlobalVariableComponent),
vol.Required(CONF_TYPE): cv.string_strict,
vol.Optional(CONF_INITIAL_VALUE): cv.string_strict,
vol.Optional(CONF_RESTORE_VALUE): cv.boolean,
}).extend(cv.COMPONENT_SCHEMA.schema)
def to_code(config):
type_ = RawExpression(config[CONF_TYPE])
template_args = TemplateArguments(type_)
res_type = GlobalVariableComponent.template(template_args)
initial_value = None
if CONF_INITIAL_VALUE in config:
initial_value = RawExpression(config[CONF_INITIAL_VALUE])
rhs = App.Pmake_global_variable(template_args, initial_value)
glob = Pvariable(config[CONF_ID], rhs, type=res_type)
if config.get(CONF_RESTORE_VALUE, False):
hash_ = hash(config[CONF_ID].id) % 2**32
add(glob.set_restore_value(hash_))
setup_component(glob, config)