import re import voluptuous as vol from esphome import automation from esphome.automation import ACTION_REGISTRY, CONDITION_REGISTRY, Condition from esphome.components import logger import esphome.config_validation as cv from esphome.const import CONF_AVAILABILITY, CONF_BIRTH_MESSAGE, CONF_BROKER, CONF_CLIENT_ID, \ CONF_COMMAND_TOPIC, CONF_DISCOVERY, CONF_DISCOVERY_PREFIX, CONF_DISCOVERY_RETAIN, \ CONF_ID, CONF_KEEPALIVE, CONF_LEVEL, CONF_LOG_TOPIC, CONF_ON_JSON_MESSAGE, CONF_ON_MESSAGE, \ CONF_PASSWORD, CONF_PAYLOAD, CONF_PAYLOAD_AVAILABLE, CONF_PAYLOAD_NOT_AVAILABLE, CONF_PORT, \ CONF_QOS, CONF_REBOOT_TIMEOUT, CONF_RETAIN, CONF_SHUTDOWN_MESSAGE, CONF_SSL_FINGERPRINTS, \ CONF_STATE_TOPIC, CONF_TOPIC, CONF_TOPIC_PREFIX, CONF_TRIGGER_ID, CONF_USERNAME, \ CONF_WILL_MESSAGE from esphome.cpp_generator import Pvariable, RawExpression, StructInitializer, TemplateArguments, \ add, get_variable, process_lambda, templatable from esphome.cpp_types import Action, App, Component, JsonObjectConstRef, JsonObjectRef, \ Trigger, bool_, esphome_ns, optional, std_string, uint8, void def validate_message_just_topic(value): value = cv.publish_topic(value) return MQTT_MESSAGE_BASE({CONF_TOPIC: value}) MQTT_MESSAGE_BASE = cv.Schema({ vol.Required(CONF_TOPIC): cv.publish_topic, vol.Optional(CONF_QOS, default=0): cv.mqtt_qos, vol.Optional(CONF_RETAIN, default=True): cv.boolean, }) MQTT_MESSAGE_TEMPLATE_SCHEMA = vol.Any(None, MQTT_MESSAGE_BASE, validate_message_just_topic) MQTT_MESSAGE_SCHEMA = vol.Any(None, MQTT_MESSAGE_BASE.extend({ vol.Required(CONF_PAYLOAD): cv.mqtt_payload, })) mqtt_ns = esphome_ns.namespace('mqtt') MQTTMessage = mqtt_ns.struct('MQTTMessage') MQTTClientComponent = mqtt_ns.class_('MQTTClientComponent', Component) MQTTPublishAction = mqtt_ns.class_('MQTTPublishAction', Action) MQTTPublishJsonAction = mqtt_ns.class_('MQTTPublishJsonAction', Action) MQTTMessageTrigger = mqtt_ns.class_('MQTTMessageTrigger', Trigger.template(std_string)) MQTTJsonMessageTrigger = mqtt_ns.class_('MQTTJsonMessageTrigger', Trigger.template(JsonObjectConstRef)) MQTTComponent = mqtt_ns.class_('MQTTComponent', Component) MQTTConnectedCondition = mqtt_ns.class_('MQTTConnectedCondition', Condition) def validate_config(value): if CONF_PORT not in value: parts = value[CONF_BROKER].split(u':') if len(parts) == 2: value[CONF_BROKER] = parts[0] value[CONF_PORT] = cv.port(parts[1]) else: value[CONF_PORT] = 1883 return value def validate_fingerprint(value): value = cv.string(value) if re.match(r'^[0-9a-f]{40}$', value) is None: raise vol.Invalid(u"fingerprint must be valid SHA1 hash") return value CONFIG_SCHEMA = vol.All(cv.Schema({ cv.GenerateID(): cv.declare_variable_id(MQTTClientComponent), vol.Required(CONF_BROKER): cv.string_strict, vol.Optional(CONF_PORT): cv.port, vol.Optional(CONF_USERNAME, default=''): cv.string, vol.Optional(CONF_PASSWORD, default=''): cv.string, vol.Optional(CONF_CLIENT_ID): vol.All(cv.string, vol.Length(max=23)), vol.Optional(CONF_DISCOVERY): vol.Any(cv.boolean, cv.one_of("CLEAN", upper=True)), vol.Optional(CONF_DISCOVERY_RETAIN): cv.boolean, vol.Optional(CONF_DISCOVERY_PREFIX): cv.publish_topic, vol.Optional(CONF_BIRTH_MESSAGE): MQTT_MESSAGE_SCHEMA, vol.Optional(CONF_WILL_MESSAGE): MQTT_MESSAGE_SCHEMA, vol.Optional(CONF_SHUTDOWN_MESSAGE): MQTT_MESSAGE_SCHEMA, vol.Optional(CONF_TOPIC_PREFIX): cv.publish_topic, vol.Optional(CONF_LOG_TOPIC): vol.Any(None, MQTT_MESSAGE_BASE.extend({ vol.Optional(CONF_LEVEL): logger.is_log_level, }), validate_message_just_topic), vol.Optional(CONF_SSL_FINGERPRINTS): vol.All(cv.only_on_esp8266, cv.ensure_list(validate_fingerprint)), vol.Optional(CONF_KEEPALIVE): cv.positive_time_period_seconds, vol.Optional(CONF_REBOOT_TIMEOUT): cv.positive_time_period_milliseconds, vol.Optional(CONF_ON_MESSAGE): automation.validate_automation({ cv.GenerateID(CONF_TRIGGER_ID): cv.declare_variable_id(MQTTMessageTrigger), vol.Required(CONF_TOPIC): cv.subscribe_topic, vol.Optional(CONF_QOS): cv.mqtt_qos, vol.Optional(CONF_PAYLOAD): cv.string_strict, }), vol.Optional(CONF_ON_JSON_MESSAGE): automation.validate_automation({ cv.GenerateID(CONF_TRIGGER_ID): cv.declare_variable_id(MQTTJsonMessageTrigger), vol.Required(CONF_TOPIC): cv.subscribe_topic, vol.Optional(CONF_QOS, default=0): cv.mqtt_qos, }), }), validate_config) def exp_mqtt_message(config): if config is None: return optional(TemplateArguments(MQTTMessage)) exp = StructInitializer( MQTTMessage, ('topic', config[CONF_TOPIC]), ('payload', config.get(CONF_PAYLOAD, "")), ('qos', config[CONF_QOS]), ('retain', config[CONF_RETAIN]) ) return exp def to_code(config): rhs = App.init_mqtt(config[CONF_BROKER], config[CONF_PORT], config[CONF_USERNAME], config[CONF_PASSWORD]) mqtt = Pvariable(config[CONF_ID], rhs) discovery = config.get(CONF_DISCOVERY, True) discovery_retain = config.get(CONF_DISCOVERY_RETAIN, True) discovery_prefix = config.get(CONF_DISCOVERY_PREFIX, 'homeassistant') if not discovery: add(mqtt.disable_discovery()) elif discovery == "CLEAN": add(mqtt.set_discovery_info(discovery_prefix, discovery_retain, True)) elif CONF_DISCOVERY_RETAIN in config or CONF_DISCOVERY_PREFIX in config: add(mqtt.set_discovery_info(discovery_prefix, discovery_retain)) if CONF_TOPIC_PREFIX in config: add(mqtt.set_topic_prefix(config[CONF_TOPIC_PREFIX])) if CONF_BIRTH_MESSAGE in config: birth_message = config[CONF_BIRTH_MESSAGE] if not birth_message: add(mqtt.disable_birth_message()) else: add(mqtt.set_birth_message(exp_mqtt_message(birth_message))) if CONF_WILL_MESSAGE in config: will_message = config[CONF_WILL_MESSAGE] if not will_message: add(mqtt.disable_last_will()) else: add(mqtt.set_last_will(exp_mqtt_message(will_message))) if CONF_SHUTDOWN_MESSAGE in config: shutdown_message = config[CONF_SHUTDOWN_MESSAGE] if not shutdown_message: add(mqtt.disable_shutdown_message()) else: add(mqtt.set_shutdown_message(exp_mqtt_message(shutdown_message))) if CONF_CLIENT_ID in config: add(mqtt.set_client_id(config[CONF_CLIENT_ID])) if CONF_LOG_TOPIC in config: log_topic = config[CONF_LOG_TOPIC] if not log_topic: add(mqtt.disable_log_message()) else: add(mqtt.set_log_message_template(exp_mqtt_message(log_topic))) if CONF_LEVEL in log_topic: add(mqtt.set_log_level(logger.LOG_LEVELS[log_topic[CONF_LEVEL]])) if CONF_SSL_FINGERPRINTS in config: for fingerprint in config[CONF_SSL_FINGERPRINTS]: arr = [RawExpression("0x{}".format(fingerprint[i:i + 2])) for i in range(0, 40, 2)] add(mqtt.add_ssl_fingerprint(arr)) if CONF_KEEPALIVE in config: add(mqtt.set_keep_alive(config[CONF_KEEPALIVE])) if CONF_REBOOT_TIMEOUT in config: add(mqtt.set_reboot_timeout(config[CONF_REBOOT_TIMEOUT])) for conf in config.get(CONF_ON_MESSAGE, []): rhs = App.register_component(mqtt.make_message_trigger(conf[CONF_TOPIC])) trigger = Pvariable(conf[CONF_TRIGGER_ID], rhs) if CONF_QOS in conf: add(trigger.set_qos(conf[CONF_QOS])) if CONF_PAYLOAD in conf: add(trigger.set_payload(conf[CONF_PAYLOAD])) automation.build_automations(trigger, [(std_string, 'x')], conf) for conf in config.get(CONF_ON_JSON_MESSAGE, []): rhs = mqtt.make_json_message_trigger(conf[CONF_TOPIC], conf[CONF_QOS]) trigger = Pvariable(conf[CONF_TRIGGER_ID], rhs) automation.build_automations(trigger, [(JsonObjectConstRef, 'x')], conf) CONF_MQTT_PUBLISH = 'mqtt.publish' MQTT_PUBLISH_ACTION_SCHEMA = cv.Schema({ cv.GenerateID(): cv.use_variable_id(MQTTClientComponent), vol.Required(CONF_TOPIC): cv.templatable(cv.publish_topic), vol.Required(CONF_PAYLOAD): cv.templatable(cv.mqtt_payload), vol.Optional(CONF_QOS): cv.templatable(cv.mqtt_qos), vol.Optional(CONF_RETAIN): cv.templatable(cv.boolean), }) @ACTION_REGISTRY.register(CONF_MQTT_PUBLISH, MQTT_PUBLISH_ACTION_SCHEMA) def mqtt_publish_action_to_code(config, action_id, template_arg, args): for var in get_variable(config[CONF_ID]): yield None rhs = var.make_publish_action(template_arg) type = MQTTPublishAction.template(template_arg) action = Pvariable(action_id, rhs, type=type) for template_ in templatable(config[CONF_TOPIC], args, std_string): yield None add(action.set_topic(template_)) for template_ in templatable(config[CONF_PAYLOAD], args, std_string): yield None add(action.set_payload(template_)) if CONF_QOS in config: for template_ in templatable(config[CONF_QOS], args, uint8): yield add(action.set_qos(template_)) if CONF_RETAIN in config: for template_ in templatable(config[CONF_RETAIN], args, bool_): yield None add(action.set_retain(template_)) yield action CONF_MQTT_PUBLISH_JSON = 'mqtt.publish_json' MQTT_PUBLISH_JSON_ACTION_SCHEMA = cv.Schema({ cv.GenerateID(): cv.use_variable_id(MQTTClientComponent), vol.Required(CONF_TOPIC): cv.templatable(cv.publish_topic), vol.Required(CONF_PAYLOAD): cv.lambda_, vol.Optional(CONF_QOS): cv.mqtt_qos, vol.Optional(CONF_RETAIN): cv.boolean, }) @ACTION_REGISTRY.register(CONF_MQTT_PUBLISH_JSON, MQTT_PUBLISH_JSON_ACTION_SCHEMA) def mqtt_publish_json_action_to_code(config, action_id, template_arg, args): for var in get_variable(config[CONF_ID]): yield None rhs = var.make_publish_json_action(template_arg) type = MQTTPublishJsonAction.template(template_arg) action = Pvariable(action_id, rhs, type=type) for template_ in templatable(config[CONF_TOPIC], args, std_string): yield None add(action.set_topic(template_)) args_ = args + [(JsonObjectRef, 'root')] for lambda_ in process_lambda(config[CONF_PAYLOAD], args_, return_type=void): yield None add(action.set_payload(lambda_)) if CONF_QOS in config: add(action.set_qos(config[CONF_QOS])) if CONF_RETAIN in config: add(action.set_retain(config[CONF_RETAIN])) yield action def required_build_flags(config): if CONF_SSL_FINGERPRINTS in config: return '-DASYNC_TCP_SSL_ENABLED=1' return None def get_default_topic_for(data, component_type, name, suffix): whitelist = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-_' sanitized_name = ''.join(x for x in name.lower().replace(' ', '_') if x in whitelist) return '{}/{}/{}/{}'.format(data.topic_prefix, component_type, sanitized_name, suffix) def setup_mqtt_component(obj, config): if CONF_RETAIN in config: add(obj.set_retain(config[CONF_RETAIN])) if not config.get(CONF_DISCOVERY, True): add(obj.disable_discovery()) if CONF_STATE_TOPIC in config: add(obj.set_custom_state_topic(config[CONF_STATE_TOPIC])) if CONF_COMMAND_TOPIC in config: add(obj.set_custom_command_topic(config[CONF_COMMAND_TOPIC])) if CONF_AVAILABILITY in config: availability = config[CONF_AVAILABILITY] if not availability: add(obj.disable_availability()) else: add(obj.set_availability(availability[CONF_TOPIC], availability[CONF_PAYLOAD_AVAILABLE], availability[CONF_PAYLOAD_NOT_AVAILABLE])) LIB_DEPS = 'AsyncMqttClient@0.8.2' BUILD_FLAGS = '-DUSE_MQTT' CONF_MQTT_CONNECTED = 'mqtt.connected' MQTT_CONNECTED_CONDITION_SCHEMA = cv.Schema({}) @CONDITION_REGISTRY.register(CONF_MQTT_CONNECTED, MQTT_CONNECTED_CONDITION_SCHEMA) def mqtt_connected_to_code(config, condition_id, template_arg, args): rhs = MQTTConnectedCondition.new(template_arg) type = MQTTConnectedCondition.template(template_arg) yield Pvariable(condition_id, rhs, type=type)