book

Building Python Web APIs with FastAPI

by Abdulazeez

July 2022

Intermediate to advanced

216 pages

3h 20m

English

Packt Publishing

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ContributorsAbout the authorAbout the reviewer
Who this book is forWhat this book coversTo get the most out of this bookDownload the example code filesDownload the color imagesConventions usedGet in touchShare Your Thoughts
Technical RequirementGit basicsInstalling GitGit operationsGit branchesCreating isolated development environments with VirtualenvCreating a virtual environmentActivating and deactivating the virtual environmentPackage management with pipInstalling pipSetting up DockerDockerfileBuilding a simple FastAPI application Summary
Technical requirements Understanding routing in FastAPIRouting exampleRouting with the APIRouter classValidating request bodies using Pydantic modelsNested modelsPath and query parametersPath parametersQuery parametersRequest bodyFastAPI Automatic DocsBuilding a simple CRUD appSummary
Technical requirementsUnderstanding responses in FastAPIWhat is a response header?What is a response body?Status codesBuilding response modelsError handlingSummary
Technical requirementsUnderstanding JinjaFiltersUsing if statementsLoopsMacrosTemplate inheritanceUsing Jinja templates in FastAPISummary
Technical requirementsStructuring in FastAPI applicationsBuilding an event planner applicationImplementing the modelsImplementing routesSummary
Technical requirementsSetting up SQLModelTablesRowsSessionsCreating a databaseCreating eventsRead eventsUpdate eventsDelete eventSetting up MongoDBDocumentInitializing the databaseCRUD operationsCreateReadUpdateDeleteroutes/events.pyroutes/users.pySummary

Technical requirementsAuthentication methods in FastAPIDependency injectionCreating and using a dependencySecuring the application with OAuth2 and JWTHashing passwordsCreating and verifying access tokensHandling user authenticationUpdating the applicationUpdating the user sign-in routeUpdating event routesUpdating the event document class and routesConfiguring CORSSummary
Technical requirementsUnit testing with pytestEliminating repetition with pytest fixturesSetting up our test environmentWriting tests for REST API endpointsTesting the sign-up routeTesting the sign-in routeTesting CRUD endpointsTesting READ endpointsTesting the CREATE endpointTesting the UPDATE endpointTesting the DELETE endpointTest coverageSummary
Technical requirementsPreparing for deploymentManaging dependenciesConfiguring environment variablesDeploying with DockerWriting the DockerfileBuilding the Docker imageDeploying our application locallyRunning our applicationDeploying Docker imagesDeploying databasesSummary
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Content preview from Building Python Web APIs with FastAPI

Part 2: Building and Securing FastAPI Applications

Upon completing this part, you will be able to build a fully functional and secure application with FastAPI. This part uses the knowledge from the previous part and buttresses it into building a more functional application with higher complexity than the application built in the second chapter. You will also be able to integrate and connect to a SQL and NoSQL (MongoDB) database as well as being able to secure a FastAPI application by the end of this part.

This part comprises the following chapters: