Flask Framework Cookbook

封面

版权

Credits

About the Author

About the Reviewers

www.PacktPub.com

Support files eBooks discount offers and more

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Chapter 1. Flask Configurations

Introduction

Environment setup with virtualenv

Handling basic configurations

Class-based settings

Organization of static files

Being deployment specific with instance folders

Composition of views and models

Creating a modular web app with blueprints

Making a Flask app installable using setuptools

Chapter 2. Templating with Jinja2

Introduction

Bootstrap layout

Block composition and layout inheritance

Creating a custom context processor

Creating a custom Jinja2 filter

Creating a custom macro for forms

Advanced date and time formatting

Chapter 3. Data Modeling in Flask

Introduction

Creating a SQLAlchemy DB instance

Creating a basic product model

Creating a relational category model

Database migration using Alembic and Flask-Migrate

Model data indexing with Redis

Opting the NoSQL way with MongoDB

Chapter 4. Working with Views

Introduction

Writing function-based views and URL routes

Class-based views

URL routing and product-based pagination

Rendering to templates

Dealing with XHR requests

Decorator to handle requests beautifully

Creating custom 404 and 500 handlers

Flashing messages for better user feedback

SQL-based searching

Chapter 5. Webforms with WTForms

Introduction

SQLAlchemy model data as form representation

Validating fields on the server side

Creating a common forms set

Creating custom fields and validation

Creating a custom widget

Uploading files via forms

Cross-site Request Forgery protection

Chapter 6. Authenticating in Flask

Introduction

Simple session-based authentication

Authenticating using the Flask-Login extension

Using OpenID for authentication

Using Facebook for authentication

Using Google for authentication

Using Twitter for authentication

Chapter 7. RESTful API Building

Introduction

Creating a class-based REST interface

Creating an extension-based REST interface

Creating a SQLAlchemy-independent REST API

A complete REST API example

Chapter 8. Admin Interface for Flask Apps

Introduction

Creating a simple CRUD interface

Using the Flask-Admin extension

Registering models with Flask-Admin

Creating custom forms and actions

WYSIWYG for textarea integration

Creating user roles

Chapter 9. Internationalization and Localization

Introduction

Adding a new language

Lazy evaluation and the gettext/ngettext functions

Global language-switching action

Chapter 10. Debugging Error Handling and Testing

Introduction

Setting up basic file logging

Sending e-mails on the occurrence of errors

Using Sentry to monitor exceptions

Debugging with pdb

Creating our first simple test

Writing more tests for views and logic

Nose library integration

Using mocking to avoid real API access

Determining test coverage

Using profiling to find bottlenecks

Chapter 11. Deployment and Post Deployment