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Practical Python Programming for IoT

You're reading from   Practical Python Programming for IoT Build advanced IoT projects using a Raspberry Pi 4, MQTT, RESTful APIs, WebSockets, and Python 3

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Product type Paperback
Published in Nov 2020
Publisher Packt
ISBN-13 9781838982461
Length 516 pages
Edition 1st Edition
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Author (1):
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Gary Smart Gary Smart
Author Profile Icon Gary Smart
Gary Smart
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Table of Contents (20) Chapters Close

Preface 1. Section 1: Programming with Python and the Raspberry Pi
2. Setting Up your Development Environment FREE CHAPTER 3. Getting Started with Python and IoT 4. Networking with RESTful APIs and Web Sockets Using Flask 5. Networking with MQTT, Python, and the Mosquitto MQTT Broker 6. Section 2: Practical Electronics for Interacting with the Physical World
7. Connecting Your Raspberry Pi to the Physical World 8. Electronics 101 for the Software Engineer 9. Section 3: IoT Playground - Practical Examples to Interact with the Physical World
10. Turning Things On and Off 11. Lights, Indicators, and Displaying Information 12. Measuring Temperature, Humidity, and Light Levels 13. Movement with Servos, Motors, and Steppers 14. Measuring Distance and Detecting Movement 15. Advanced IoT Programming Concepts - Threads, AsyncIO, and Event Loops 16. IoT Visualization and Automation Platforms 17. Tying It All Together - An IoT Christmas Tree 18. Assessments 19. Other Books You May Enjoy

Running and testing the Python server

You will find the code in the chapter03/flask_api_server.py file. Please review this file before proceeding to get an overall idea about what it contains before you proceed.

We are running our Flask examples using Flask's built-in HTTP server. This is more than adequate for development purposes; however, it's not recommended for production usage. Consult the Flask documentation section titled Deployment Options for information on how to deploy a Flask application with production-quality web servers. You'll find a link in the Further reading section to the official Flask website and documentation.

To test the Python server perform the following steps:

  1. Run our RESTful API server with the following command:
(venv) $ python flask_api_server.py
... truncated ...
NFO:werkzeug: * Running on http://0.0.0.0:5000/ (Press CTRL+C to quit)
... truncated ...

The second to last line in the preceding code block indicates that...

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