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EnOS MQTT SDK for Python

Project description

Using EnOS Device SDK for Python

Table of Contents

The EnOS Device SDK for Python allows developers to write Python scripts to use their devices to access EnOS IoT hub through MQTT.

Installation

Prerequisites

To use the EnOS Device SDK, you will need Python 3.5.3 or later, and pip is required. Note that Python 2.x is not recommended as some functions might not be compatible with Python 2.x in future SDK versions.

If you are upgrading from an earlier version of EnOS Device SDK for Python, you need to change the path of the SDK package by adding enos prefix in your "Import" statement in the existing Python codes to use the latest version.

You can install the SDK from pip, or build from source.

Installing from pip

The latest version of EnOS Device SDK for Python is available in the Python Package Index (PyPi) and can be installed using

pip install enos-mqtt-sdk-python

Update setuptools if necessary:

pip install --upgrade setuptools

Building From Source

  1. Obtain the source code of EnOS Device SDK for Python.

    • From GitHub:
    git clone https://github.com/EnvisionIot/enos-mqtt-sdk-python.git
    
    • From EnOS SDK Center. Click SDK Center from the left navigation of EnOS Console, and obtain the SDK source code by clicking the GitHub icon in the Obtain column.
  2. From the directory where the source code is stored, run the following command:

    python setup.py install
    

Feature List

For the list of features supported by this SDK and the availability of EnOS device connectivity and management features in all SDKs we provide, see EnOS Device SDK.

Quick Start

  1. Create an MQTT client and connect it to EnOS Cloud using the secret-per-device authentication:
client = MqttClient(enos_mqtt_url, product_key, device_key, device_secret)
client.connect()
  1. Build a request to post a measurement point and publish the request using the connected client.
measure_point_post_request = MeasurepointPostRequest.builder() 
    .add_measurepoint('measurepoint_id', measurepoint_value) 
    .set_timestamp(timestamp) 
    .build()
# publish request and wait for the response
measure_point_response = client.publish(measure_point_post_request)
  1. Close the connection
client.close()

Sample Codes

Related Information

  • To learn more about EnOS IoT Hub, see EnOS IoT Hub Documentation.
  • To learn more about how to develop your device for EnOS IoT Hub, see EnOS Device Development Guide (Python).

Release Notes

  • 2019/11/15(0.1.0): Reconstruction and new functions added.

Project details


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