book

FastAPI Cookbook

Name: FastAPI Cookbook
Author: Giunio De Luca
ISBN: 9781805127857

by Giunio De Luca

August 2024

Intermediate to advanced

358 pages

7h 6m

English

Packt Publishing

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FastAPI Cookbook
ForewordContributorsAbout the authorAbout the reviewer
Preface
Who this book is forWhat this book coversTo get the most out of this bookDownload the example code filesConventions usedSectionsGetting readyHow to do it…How it works…There’s more…See alsoGet in touchShare Your ThoughtsDownload a free PDF copy of this book
Chapter 1: First Steps with FastAPI
Technical requirementsSetting up your development environmentGetting readyHow to do it...Creating a new FastAPI projectGetting readyHow to do it...There’s more...See alsoUnderstanding FastAPI basicsHow to do it…See alsoDefining your first API endpointGetting readyHow to do it...How it works…Working with path and query parametersGetting readyHow to do it…How it works…See alsoDefining and using request and response modelsGetting readyHow to do it...See alsoHandling errors and exceptionsHow to do it…There’s more…See also
Chapter 2: Working with Data
Technical requirementsSetting up SQL databasesGetting readyHow to do it…Establishing a database connectionSee alsoUnderstanding CRUD operations with SQLAlchemyGetting readyHow to do it…See alsoIntegrating MongoDB for NoSQL data storageGetting readyHow to do it…See alsoWorking with data validation and serializationGetting readyHow to do it…Serialization and deserialization conceptsAdvanced validation techniquesSee alsoWorking with file uploads and downloadsGetting readyHow to do it…Implementing file uploadsManaging file downloads and storageSee alsoHandling asynchronous data operationsGetting readyHow to do it…There’s more…See alsoSecuring sensitive data and best practicesGetting readyHow to do it…There’s more…
Chapter 3: Building RESTful APIs with FastAPI
Technical requirementsCreating CRUD operationsHow to do it…How it works...Creating RESTful EndpointsGetting ready…How to do it…Testing your RESTful APIGetting ready…How to do it...See alsoHandling complex queries and filteringGetting ready…How to do it...Versioning your APIGetting ready…How to do it...There’s more…See alsoSecuring your API with OAuth2Getting ready…How to do it…There’s more…See alsoDocumenting your API with Swagger and RedocGetting ready…How to do it...See also
Chapter 4: Authentication and Authorization
Technical requirementsSetting up user registrationGetting readyHow to do it…How it works...See alsoWorking with OAuth2 and JWT for authenticationGetting readyHow to do it...How it works…See alsoSetting up RBACGetting readyHow to do it...There’s more…Using third-party authenticationGetting readyHow to do it...How it works…See alsoImplementing MFAGetting readyHow to do it...See alsoHandling API key authenticationGetting readyHow to do it...There’s more…Handling session cookies and logout functionalityGetting readyHow to do it...There’s more…See also
Chapter 5: Testing and Debugging FastAPI Applications
Technical requirementsSetting up testing environmentsGetting readyHow to do it...See alsoWriting and running unit testsGetting readyHow to do it…See alsoTesting API EndpointsGetting readyHow to do it…See alsoRunning tests techniquesGetting readyHow to do it...Check test coverageSee alsoHandling logging messagesGetting readyHow to do it...There’s moreSee alsoDebugging techniquesGetting readyHow to do it...Debugging with PDBDebugging with VS CodeDebugging with PyCharmSee alsoPerformance testing for high traffic applicationsGetting readyHow to do it...See also
Chapter 6: Integrating FastAPI with SQL Databases
Technical requirementsSetting up SQLAlchemyGetting readyHow to do it...How it works…See alsoImplementing CRUD operationsGetting readyHow to do it…How it works…Working with migrationsGetting readyHow to do it…How it works…See alsoHandling relationships in SQL databasesGetting readyHow to do it…See alsoOptimizing SQL queries for performanceGetting readyHow to do it…There’s more…Securing sensitive data in SQL databasesGetting readyHow to do it…See alsoHandling transactions and concurrencyGetting readyHow to do it…There’s more…See also
Chapter 7: Integrating FastAPI with NoSQL Databases
Technical requirementsSetting up MongoDB with FastAPIGetting readyHow to do it…See alsoCRUD operations in MongoDBGetting readyHow to do it…See alsoHandling relationships in NoSQL databasesGetting readyHow to do it…See alsoWorking with indexes in MongoDBGetting readyHow to do it…How it works…There’s more…See alsoExposing sensitive data from NoSQL databasesGetting readyHow to do it…There’s more…See alsoIntegrating FastAPI with ElasticsearchGetting readyHow to do it…See alsoUsing Redis for caching in FastAPIGetting readyHow to do it…There’s more…See also
Chapter 8: Advanced Features and Best Practices
Technical requirementsImplementing dependency injectionGetting readyHow to do it…How it works…There’s more…See alsoCreating custom middlewareGetting ready…How to do it…How it works…See alsoInternationalization and localizationGetting readyHow to do it…See alsoOptimizing application performanceGetting readyHow to do it…There’s more...See alsoImplementing rate limitingGetting readyHow to do it…There's more...See alsoImplementing background tasksGetting readyHow to do it…How it works…See also

Chapter 9: Working with WebSocket
Technical requirementsSetting up WebSockets in FastAPIGetting readyHow to do it…How it works…See alsoSending and receiving messages over WebSocketsGetting readyHow to do it…See alsoHandling WebSocket connections and disconnectionsGetting readyHow to do it…Handling WebSocket errors and exceptionsGetting readyHow to do it…See alsoImplementing chat functionality with WebSocketsGetting readyHow to do it…How it works…See alsoOptimizing WebSocket performanceGetting readyHow to do it…There’s more…See alsoSecuring WebSocket connections with OAuth2Getting readyHow to do it…See also
Chapter 10: Integrating FastAPI with other Python Libraries
Technical requirementsIntegrating FastAPI with gRPCGetting readyHow to do it…There’s more…See alsoConnecting FastAPI with GraphQLGetting readyHow to do it…See alsoUsing ML models with JoblibGetting readyHow to do it…See alsoIntegrating FastAPI with CohereGetting readyHow to do it…See alsoIntegrating FastAPI with LangChainGetting readyHow to do it…See also
Chapter 11: Middleware and Webhooks
Technical requirementsCreating custom ASGI middlewareGetting readyHow to do it…How it works…There’s more…See alsoDeveloping middleware for request modificationGetting readyHow to do it…See alsoDeveloping middleware for response modificationGetting readyHow to do it…See alsoHandling CORS with middlewareGetting readyHow to do it…See alsoRestricting incoming requests from hostsGetting readyHow to do it…See alsoImplementing webhooksGetting readyHow to do it…How it works…There’s more…See also
Chapter 12: Deploying and Managing FastAPI Applications
Technical requirementsRunning the server with the FastAPI CLIGetting readyHow to do it…There’s more…See alsoEnabling HTTPS on FastAPI applicationsGetting readyHow to do it…There’s more…See alsoRunning FastAPI applications in Docker containersGetting readyHow to do it…See alsoRunning the server across multiple workersGetting readyHow to do it…There’s more…See alsoDeploying your FastAPI application on the cloudGetting startedHow to do it…There’s more…See alsoShipping FastAPI applications with HatchGetting readyHow to do it…There’s more…See also
Index
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Content preview from FastAPI Cookbook

5 Testing and Debugging FastAPI Applications

In this chapter of our journey through mastering FastAPI, we pivot towards a crucial aspect of software development that ensures the reliability, robustness, and quality of your applications: testing and debugging. As we delve into this chapter, you’ll be equipped with the knowledge and tools necessary to create an effective testing environment, write and execute comprehensive tests, and debug your FastAPI applications with efficiency and precision.

Understanding how to properly test and debug is not just about finding errors; it’s about ensuring your application can withstand real-world use, manage high traffic without faltering, and provide a seamless user experience. By mastering these skills, ...

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ISBN: 9781805127857

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FastAPI Cookbook

by Giunio De Luca

5

Testing and Debugging FastAPI Applications

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.