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Sample project for a REST API + DB backed web application that uses Flask + Connexion + Marshmallow + SQLAlchemy

Python 30.27% CSS 10.55% JavaScript 45.06% HTML 14.12%

python python38 flask connexion flask-sqlalchemy flask-marshmallow marshmallow-sqlalchemy realpython

sample-flask-connex-marshmallow-sqla's Introduction

Flask + Connexion + SQLAlchemy + Marshmallow

Overview

[client] --REST API-- [Connexion + Flask] -- [Marshmallow] -- [SQLAlchemy]

Use Connexion to automagically parse API specifications written using OpenAPI/Swagger specifications and map/route the HTTP requests to the methods served up by a Flask server
Use Marshmallow to serialize/deserialize Python objects and data types to/from SQLAlchemy objects
Use SQLAlchemy to abstract SQL statements and data structures as regular Python objects and data types

Setup and Run

Setup a Python 3.8 virtual environment

Install dependencies

(py38) $ pip install -r requirements.txt

Create the DB
```
(py38) $ python build_database.py
```
- Use DB Browser for SQLite to view the DB
Run the app
```
(py38) $ python server.py
```
Check the APIs via the documentation auto-generated by the Swagger UI
- http://localhost:5000/api/ui
Try out the APIs using the sample app
- http://localhost:5000/

References

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