Flask Framework Cookbook电子书

Flask Framework Cookbook

Table of Contents

Flask Framework Cookbook

Credits

About the Author

About the Reviewers

www.PacktPub.com

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Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Downloading the example code

Errata

Piracy

Questions

1. Flask Configurations

Introduction

Environment setup with virtualenv

How to do it…

How it works…

There's more…

See also

Handling basic configurations

Getting ready

How to do it…

How it works…

Class-based settings

How to do it…

How it works…

Organization of static files

How to do it…

How it works…

There's more…

Being deployment specific with instance folders

How to do it…

How it works…

Composition of views and models

How to do it…

How it works…

See also

Creating a modular web app with blueprints

Getting ready

How to do it…

How it works…

See also

Making a Flask app installable using setuptools

How to do it…

How it works…

See also

2. Templating with Jinja2

Introduction

Bootstrap layout

Getting ready

How to do it…

How it works…

See also

Block composition and layout inheritance

Getting ready

How to do it…

How it works…

See also

Creating a custom context processor

How to do it…

See also

Creating a custom Jinja2 filter

How to do it…

How it works…

See also

Creating a custom macro for forms

Getting ready

How to do it…

Advanced date and time formatting

Getting ready

How to do it…

See more

3. Data Modeling in Flask

Introduction

Creating a SQLAlchemy DB instance

Getting ready

How to do it…

There's more…

See also

Creating a basic product model

How to do it…

How it works…

See also

Creating a relational category model

How to do it…

See also

Database migration using Alembic and Flask-Migrate

Getting ready

How to do it…

How it works…

See also

Model data indexing with Redis

Getting ready

How to do it…

How it works…

Opting the NoSQL way with MongoDB

Getting ready

How to do it…

See also

4. Working with Views

Introduction

Writing function-based views and URL routes

Getting ready

How to do it…

A simple GET request

A simple POST request

A simple GET/POST request

How it works…

There's more…

Class-based views

Getting ready

How to do it…

How it works…

There's more…

See also

URL routing and product-based pagination

Getting ready

How to do it…

Adding pagination to applications

See also

Rendering to templates

Getting ready

How to do it…

How it works…

See also

Dealing with XHR requests

Getting ready

How to do it…

How it works…

Decorator to handle requests beautifully

Getting ready

How to do it…

See also

Creating custom 404 and 500 handlers

Getting ready

How to do it…

How it works…

There's more…

Flashing messages for better user feedback

Getting ready

How to do it…

How it works…

SQL-based searching

Getting ready

How to do it…

How it works…

5. Webforms with WTForms

Introduction

SQLAlchemy model data as form representation

Getting ready

How to do it…

How it works…

See also

Validating fields on the server side

How to do it…

How it works…

There's more…

See also

Creating a common forms set

How to do it…

How it works…

Creating custom fields and validation

How to do it…

How it works…

There's more…

Creating a custom widget

How to do it…

How it works…

See also

Uploading files via forms

How to do it…

How it works…

Cross-site Request Forgery protection

How to do it…

How it works…

6. Authenticating in Flask

Introduction

Simple session-based authentication

Getting ready

How to do it…

How it works…

See also

Authenticating using the Flask-Login extension

Getting ready

How to do it…

How it works…

There's more…

See also

Using OpenID for authentication

Getting ready

How to do it…

How it works…

Using Facebook for authentication

Getting started

How to do it…

How it works...

Using Google for authentication

Getting ready

How to do it…

How it works…

Using Twitter for authentication

Getting ready

How to do it…

How it works…

7. RESTful API Building

Introduction

Creating a class-based REST interface

Getting ready

How to do it…

How it works…

There's more…

Creating an extension-based REST interface

Getting ready

How to do it…

How it works…

There's more…

Creating a SQLAlchemy-independent REST API

Getting ready

How to do it…

How it works…

See also

A complete REST API example

Getting ready

How to do it…

See also

8. Admin Interface for Flask Apps

Introduction

Creating a simple CRUD interface

Getting ready

How to do it…

How it works…

Using the Flask-Admin extension

Getting ready

How to do it…

There's more…

Registering models with Flask-Admin

Getting ready

How to do it…

Creating custom forms and actions

Getting ready

How to do it…

How it works…

WYSIWYG for textarea integration

Getting ready

How to do it…

How it works…

See also

Creating user roles

Getting ready

How to do it…

How it works…

9. Internationalization and Localization

Introduction

Adding a new language

Getting ready

How to do it…

How it works…

There's more…

See also

Lazy evaluation and the gettext/ngettext functions

Getting ready

How to do it…

Global language-switching action

Getting ready

How to do it…

How it works…

See also

10. Debugging, Error Handling, and Testing

Introduction

Setting up basic file logging

Getting ready

How to do it…

How it works…

There's more…

See also

Sending e-mails on the occurrence of errors

Getting ready

How to do it…

How it works…

There's more…

Using Sentry to monitor exceptions

Getting ready

How to do it…

How it works…

Debugging with pdb

Getting ready

How to do it…

See also

Creating our first simple test

Getting ready

How to do it…

How it works…

See also

Writing more tests for views and logic

Getting ready

How to do it…

How it works…

Nose library integration

Getting ready

How to do it…

See also

Using mocking to avoid real API access

Getting ready

How to do it…

How it works…

See also

Determining test coverage

Getting ready

How to do it…

How it works…

See also

Using profiling to find bottlenecks

Getting ready

How to do it…

How it works…

11. Deployment and Post Deployment

Introduction

Deploying with Apache

Getting ready

How to do it…

How it works…

There's more…

See also

Deploying with uWSGI and Nginx

Getting ready

How to do it…

See also

Deploying with Gunicorn and Supervisor

Getting ready

How to do it…

How it works…

See also

Deploying with Tornado

Getting ready

How to do it…

How it works…

Using Fabric for deployment

Getting ready

How to do it…

How it works…

There's more…

S3 storage for file uploads

Getting ready

How to do it…

How it works…

See also

Deploying with Heroku

Getting ready

How to do it…

How it works…

There's more…

Deploying with AWS Elastic Beanstalk

Getting ready

How to do it…

How it works…

Application monitoring with Pingdom

Getting ready

How to do it…

How it works…

Application performance management and monitoring with New Relic

Getting ready

How to do it…

How it works…

See also

12. Other Tips and Tricks

Introduction

Full-text search with Whoosh

Getting ready

How to do it…

How it works…

See also

Full-text search with Elasticsearch

Getting ready

How to do it…

How to do it…

Working with signals

Getting ready

How to do it…

How it works…

See also

Using caching with your application

Getting ready

How to do it…

How it works…

There's more…

See also

E-mail support for Flask applications

Getting ready

How to do it…

How it works…

There's more…

See also

Understanding asynchronous operations

Getting ready

How to do it…

How it works…

Working with Celery

Getting ready

How to do it…

How it works…

See also

Index