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Flask Framework Cookbook

You're reading from   Flask Framework Cookbook Over 80 proven recipes and techniques for Python web development with Flask

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Product type Paperback
Published in Jul 2019
Publisher
ISBN-13 9781789951295
Length 302 pages
Edition 2nd Edition
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Author (1):
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Shalabh Aggarwal Shalabh Aggarwal
Author Profile Icon Shalabh Aggarwal
Shalabh Aggarwal
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Table of Contents (15) Chapters Close

Preface 1. Flask Configurations 2. Templating with Jinja2 FREE CHAPTER 3. Data Modeling in Flask 4. Working with Views 5. Webforms with WTForms 6. Authenticating in Flask 7. RESTful API Building 8. Admin Interface for Flask Apps 9. Internationalization and Localization 10. Debugging, Error Handling, and Testing 11. Deployment and Post-Deployment 12. Microservices and Containers 13. Other Tips and Tricks 14. Other Books You May Enjoy

Creating an SQLAlchemy DB instance

SQLAlchemy is a Python SQL toolkit and provides an ORM that gives the flexibility and power of SQL with the feel of Python's object-oriented nature. In this recipe, we will understand how to create a SQLAlchemy database instance that can be used to perform any database operation that shall be covered in future recipes.

Getting ready

Flask-SQLAlchemy is the extension that provides the SQLAlchemy interface for Flask.

This extension can simply be installed by using pip as follows:

    $ pip3 install flask-sqlalchemy

The first thing to keep in mind with Flask-SQLAlchemy is the application configuration parameter that tells SQLAlchemy about the location of the database to be used:

app.config...
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