mirror of
https://github.com/esphome/esphome.git
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93 lines
3.2 KiB
Python
93 lines
3.2 KiB
Python
from esphome import automation
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import esphome.codegen as cg
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from esphome.components import select
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import esphome.config_validation as cv
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from esphome.const import (
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CONF_ID,
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CONF_INITIAL_OPTION,
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CONF_LAMBDA,
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CONF_OPTIMISTIC,
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CONF_OPTIONS,
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CONF_RESTORE_VALUE,
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CONF_SET_ACTION,
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)
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from .. import template_ns
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TemplateSelect = template_ns.class_(
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"TemplateSelect", select.Select, cg.PollingComponent
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)
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def validate(config):
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if CONF_LAMBDA in config:
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if config[CONF_OPTIMISTIC]:
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raise cv.Invalid("optimistic cannot be used with lambda")
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if CONF_INITIAL_OPTION in config:
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raise cv.Invalid("initial_value cannot be used with lambda")
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if CONF_RESTORE_VALUE in config:
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raise cv.Invalid("restore_value cannot be used with lambda")
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elif CONF_INITIAL_OPTION in config:
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if config[CONF_INITIAL_OPTION] not in config[CONF_OPTIONS]:
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raise cv.Invalid(
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f"initial_option '{config[CONF_INITIAL_OPTION]}' is not a valid option [{', '.join(config[CONF_OPTIONS])}]"
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)
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else:
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config[CONF_INITIAL_OPTION] = config[CONF_OPTIONS][0]
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if not config[CONF_OPTIMISTIC] and CONF_SET_ACTION not in config:
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raise cv.Invalid(
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"Either optimistic mode must be enabled, or set_action must be set, to handle the option being set."
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)
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return config
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CONFIG_SCHEMA = cv.All(
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select.select_schema(TemplateSelect)
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.extend(
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{
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cv.Required(CONF_OPTIONS): cv.All(
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cv.ensure_list(cv.string_strict), cv.Length(min=1)
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),
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cv.Optional(CONF_LAMBDA): cv.returning_lambda,
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cv.Optional(CONF_OPTIMISTIC, default=False): cv.boolean,
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cv.Optional(CONF_SET_ACTION): automation.validate_automation(single=True),
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cv.Optional(CONF_INITIAL_OPTION): cv.string_strict,
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cv.Optional(CONF_RESTORE_VALUE): cv.boolean,
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}
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)
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.extend(cv.polling_component_schema("60s")),
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validate,
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)
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async def to_code(config):
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var = cg.new_Pvariable(config[CONF_ID])
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await cg.register_component(var, config)
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await select.register_select(var, config, options=config[CONF_OPTIONS])
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if CONF_LAMBDA in config:
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template_ = await cg.process_lambda(
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config[CONF_LAMBDA], [], return_type=cg.optional.template(cg.std_string)
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)
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cg.add(var.set_template(template_))
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else:
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# Only set if non-default to avoid bloating setup() function
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if config[CONF_OPTIMISTIC]:
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cg.add(var.set_optimistic(True))
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initial_option_index = config[CONF_OPTIONS].index(config[CONF_INITIAL_OPTION])
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# Only set if non-zero to avoid bloating setup() function
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# (initial_option_index_ is zero-initialized in the header)
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if initial_option_index != 0:
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cg.add(var.set_initial_option_index(initial_option_index))
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# Only set if True (default is False)
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if config.get(CONF_RESTORE_VALUE):
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cg.add(var.set_restore_value(True))
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if CONF_SET_ACTION in config:
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await automation.build_automation(
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var.get_set_trigger(), [(cg.StringRef, "x")], config[CONF_SET_ACTION]
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)
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