get_digital_twin_sample.py

# -------------------------------------------------------------------------
# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License. See License.txt in the project root for
# license information.
# --------------------------------------------------------------------------

import os
import msrest
from azure.iot.hub import DigitalTwinClient


iothub_connection_str = os.getenv("IOTHUB_CONNECTION_STRING")
device_id = os.getenv("IOTHUB_DEVICE_ID")

try:
    # Create DigitalTwinClient
    digital_twin_client = DigitalTwinClient.from_connection_string(iothub_connection_str)

    # Get digital twin and retrieve the modelId from it
    digital_twin = digital_twin_client.get_digital_twin(device_id)
    if digital_twin:
        print(digital_twin)
        print("Model Id: " + digital_twin["$metadata"]["$model"])
    else:
        print("No digital_twin found")


except msrest.exceptions.HttpOperationError as ex:
    print("HttpOperationError error {0}".format(ex.response.text))
except Exception as exc:
    print("Unexpected error {0}".format(exc))
except KeyboardInterrupt:
    print("{} stopped".format(__file__))
finally:
    print("{} finished".format(__file__))