How to use the esphome.codegen.new_Pvariable function in esphome

def to_code(config):
    var = cg.new_Pvariable(config[CONF_ID])

    yield cg.register_component(var, config)
    yield sensor.register_sensor(var, config)

    sens = yield cg.get_variable(config[CONF_POWER_ID])
    cg.add(var.set_parent(sens))
    time_ = yield cg.get_variable(config[CONF_TIME_ID])
    cg.add(var.set_time(time_))

def delayed_on_off_filter_to_code(config, filter_id):
    var = cg.new_Pvariable(filter_id, config)
    yield cg.register_component(var, {})
    yield var

def display_page_show_previous_to_code(config, action_id, template_arg, args):
    paren = yield cg.get_variable(config[CONF_ID])
    yield cg.new_Pvariable(action_id, template_arg, paren)

def setup_switch_core_(var, config):
    cg.add(var.set_name(config[CONF_NAME]))
    if CONF_INTERNAL in config:
        cg.add(var.set_internal(config[CONF_INTERNAL]))
    if CONF_ICON in config:
        cg.add(var.set_icon(config[CONF_ICON]))
    if CONF_INVERTED in config:
        cg.add(var.set_inverted(config[CONF_INVERTED]))
    for conf in config.get(CONF_ON_TURN_ON, []):
        trigger = cg.new_Pvariable(conf[CONF_TRIGGER_ID], var)
        yield automation.build_automation(trigger, [], conf)
    for conf in config.get(CONF_ON_TURN_OFF, []):
        trigger = cg.new_Pvariable(conf[CONF_TRIGGER_ID], var)
        yield automation.build_automation(trigger, [], conf)

    if CONF_MQTT_ID in config:
        mqtt_ = cg.new_Pvariable(config[CONF_MQTT_ID], var)
        yield mqtt.register_mqtt_component(mqtt_, config)

def to_code(config):
    var = cg.new_Pvariable(config[CONF_ID])
    yield ssd1306_base.setup_ssd1036(var, config)
    yield spi.register_spi_device(var, config)

    dc = yield cg.gpio_pin_expression(config[CONF_DC_PIN])
    cg.add(var.set_dc_pin(dc))

def to_code(config):
    var = cg.new_Pvariable(config[CONF_ID])
    yield cg.register_component(var, config)
    yield stepper.register_stepper(var, config)

    step_pin = yield cg.gpio_pin_expression(config[CONF_STEP_PIN])
    cg.add(var.set_step_pin(step_pin))
    dir_pin = yield cg.gpio_pin_expression(config[CONF_DIR_PIN])
    cg.add(var.set_dir_pin(dir_pin))

    if CONF_SLEEP_PIN in config:
        sleep_pin = yield cg.gpio_pin_expression(config[CONF_SLEEP_PIN])
        cg.add(var.set_sleep_pin(sleep_pin))

def to_code(config):
    var = cg.new_Pvariable(config[CONF_ID])
    yield text_sensor.register_text_sensor(var, config)
    yield cg.register_component(var, config)

def to_code(config):
    var = cg.new_Pvariable(config[CONF_ID])
    yield time_.register_time(var, config)
    yield cg.register_component(var, config)
    cg.add_define('USE_HOMEASSISTANT_TIME')

def homeassistant_event_to_code(config, action_id, template_arg, args):
    serv = yield cg.get_variable(config[CONF_ID])
    var = cg.new_Pvariable(action_id, template_arg, serv, True)
    templ = yield cg.templatable(config[CONF_EVENT], args, None)
    cg.add(var.set_service(templ))
    for key, value in config[CONF_DATA].items():
        templ = yield cg.templatable(value, args, None)
        cg.add(var.add_data(key, templ))
    for key, value in config[CONF_DATA_TEMPLATE].items():
        templ = yield cg.templatable(value, args, None)
        cg.add(var.add_data_template(key, templ))
    for key, value in config[CONF_VARIABLES].items():
        templ = yield cg.templatable(value, args, None)
        cg.add(var.add_variable(key, templ))
    yield var

def addressable_rainbow_effect_to_code(config, effect_id):
    var = cg.new_Pvariable(effect_id, config[CONF_NAME])
    cg.add(var.set_speed(config[CONF_SPEED]))
    cg.add(var.set_width(config[CONF_WIDTH]))
    yield var