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Simple CRUD operations with Python and MongoDB

Published May 23, 2022 • Updated May 23, 2022
FastApiPython
FULL APPLICATION
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For the absolute beginner, there's nothing more simple than a CRUD tutorial. Create, Read, Update, and Delete documents using this mongodb tutorial for Python.

Introduction

To get started, first you'll need to understand that we use pymongo, our python driver, to connect your application to MongoDB. Once you've installed the driver, we'll build a simple CRUD (Create, Read, Update, Delete) application using FastAPI and MongoDB Atlas. The application will be able to create, read, update, and delete documents in a MongoDB database, exposing the functionality through a REST API.
You can find the finished application on Github here.

About the App You'll Build

This is a very basic example code for managing books using a REST API. The REST API has five endpoints:
GET /book: to list all books GET /book/<id>: to get a book by its ID POST /book: to create a new book PUT /book/<id>: to update a book by its ID DELETE /book/<id>: to delete a book by its ID
To build the API, we'll use the FastAPI framework. It's a lightweight, modern, and easy-to-use framework for building APIs. It also generates Swagger API documentation that we'll put to use when testing the application.
We'll be storing the books in a MongoDB Atlas cluster. MongoDB Atlas is MongoDB's database-as-a-service platform. It's cloud-based and you can create a free account and cluster in minutes, without installing anything on your machine. We'll use PyMongo to connect to the cluster and query data.
This application uses Python 3.6.

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Table of Contents
  • Introduction