Getting the sub-device data

I'm trying to get the Luminance data from some motion sensors, and can't find the documentation to pull that specific data. In the scripting shell I can

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print(device.name, device.id, device.deviceTypeId)

and that tells me (for example)

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Front Porch Luminance 1757368923 zwValueSensorType

but then when I put "zwValueSensorType" in a script:

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# Define a list of device IDs to average
device_ids = [1757368923, 1128085779, 454347936]

# Get the current luminance value for each device and add it to a list
luminance_values = []
for device_id in device_ids:
    device = indigo.devices[device_id]
    luminance_value = float(device.states.get("zwValueSensorType", 0))
    if luminance_value > 0:
        # Convert lux values to a percentage scale (assuming max value of 900)
        if device_id == 454347936:
            percentage_value = (luminance_value / 9) if luminance_value <= 900 else 100.0
            luminance_values.append(percentage_value)
        else:
            luminance_values.append(luminance_value)
    else:
        indigo.server.log(f"Device {device.name} ({device.id}) has no zwValueSensor state value")

# Calculate the average luminance value
if len(luminance_values) > 0:
    average_luminance = sum(luminance_values) / len(luminance_values)
else:
    average_luminance = 0

# Set the value of an existing Indigo variable with the average luminance
variable_name = "AverageLuminance"
variable = indigo.variables[variable_name]
if variable is not None:
    variable.value = str(average_luminance)
    indigo.server.log(f"Set value of variable '{variable_name}' to {average_luminance}")
else:
    indigo.server.log(f"Variable '{variable_name}' not found")


I get "Device Front Porch Luminance (1757368923) has no zwValueSensor state value" so I suppose I don't know how to ask Indigo for what I really want. How do I make the script grab the sub-device sensor value? I checked the scripting tutorial but did not see a method for doing this.

[matt (support)]

To see what states are defined by the device right-click on it and choose the Print Device Details to Event Log menu item and search for the states dict. For a sensor device it will look like this:

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states : States : (dict)
     sensorValue : 87.300000 (real)
     sensorValue.ui : 87.3 °F (string)

So in this case the state you want to use on your luminance_value = ... line is not zwValueSensorType (which is the device type ID), but instead just sensorValue.

Note sensor devices also have an attribute that mirrors the state, so you could use that directly: device. sensorValue

Note sensor devices also have an attribute that mirrors the state, so you could use that directly: device. sensorValue

Thanks! when I tried device.sensorValue that didn't work, but sensorValue did. Much appreciated!