Building a barebone Web API service in Python without a web framework

1

Python Poetry

As with every project, we need to create it. Open up your terminal/cmd/PowerShell and navigate to the directory where the project will be housed. Then create the project. For me, I used poetry to bootstrap a typical python project like so:.

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2

Gunicorn

The simple script above is the app's entry point. It's a two-liner housed by the app function. This function takes the environ and start_reponse arguments, the requirements for gunicorn apps as defined here. The environ serves as the "request" object which contains all the details of all incoming requests to the app. As for the start_reponse, it defines the response's status code and headers. This function returns an Iterator of bytes. For data consistency, we passed only one instance of the User model defined previously to the url_hadndlers, housed in the urls.py file. The content of which is shown below:.

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3

FastAPI

Have you ever wondered how Python web frameworks work under the hood? Are you interested in just playing with python and not the complexities of its web frameworks such as Django, Flask, FastAPI, and so on? Do you know that with just Python, you can have some functionalities built? Do you want to explore the popular Python WSGI HTTP Server for UNIX, Gunicorn 'Green Unicorn'? If these sound interesting to you, welcome onboard! We will be exploiting the capabilities of gunicorn to serve our "sketchy", barebone, and "not-recommended-for-production" web API service with the following features:.

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