esphome/esphomeyaml/components/globals.py
Otto Winter 15331edb78
Let esphomeyaml know about class inheritance (#229)
* Allow overriding setup priority

* Add inheritance tree

* Global variables

* Tests and better validation

* Fix

* Lint
2018-11-12 23:30:31 +01:00

35 lines
1.4 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.helpers import App, Component, Pvariable, RawExpression, TemplateArguments, add, \
esphomelib_ns, setup_component
GlobalVariableComponent = esphomelib_ns.class_('GlobalVariableComponent', Component)
GLOBAL_VAR_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)
CONFIG_SCHEMA = vol.All(cv.ensure_list, [GLOBAL_VAR_SCHEMA])
def to_code(config):
for conf in config:
type_ = RawExpression(conf[CONF_TYPE])
template_args = TemplateArguments(type_)
res_type = GlobalVariableComponent.template(template_args)
initial_value = None
if CONF_INITIAL_VALUE in conf:
initial_value = RawExpression(conf[CONF_INITIAL_VALUE])
rhs = App.Pmake_global_variable(template_args, initial_value)
glob = Pvariable(conf[CONF_ID], rhs, type=res_type)
if conf.get(CONF_RESTORE_VALUE, False):
hash_ = hash(conf[CONF_ID].id) % 2**32
add(glob.set_restore_value(hash_))
setup_component(glob, conf)