不但涵盖网络爬虫基本原理，还包括分析原始数据、用网络爬虫测试网站等高级话题，教会读者如何使用Python脚本和网络API一次性采集并处理成千上万个网页上的数据。

Ryan Mitchell 数据科学家、软件工程师，目前在波士顿LinkeDrive公司负责开发公司的API和数据分析工具。此前，曾在Abine公司构建网络爬虫和网络机器人。她经常做网络数据采集项目的咨询工作，主要面向金融和零售业。另著有Instant Web Scraping with Java。

Richard Lawson来自澳大利亚，毕业于墨尔本大学计算机科学专业。毕业后，他创办了一家专注于网络爬虫的公司，为超过50个国家的业务提供远程工作。他精通于世界语，可以使用汉语和韩语对话，并且积极投身于开源软件。他目前在牛津大学攻读研究生学位，并利用业余时间研发自主无人机。

This book is ideal for Python programmers, web administrators, security professionals or someone who wants to perform web analytics would find this book relevant and useful. Familiarity with Python and basic understanding of web scraping would be useful to take full advantage of this book.

Web scraping is an essential technique used in many organizations to scrape valuable data from web pages. This book will enable you to delve deeply into web scraping techniques and methodologies. This book will introduce you to the fundamental concepts of web scraping techniques and how they can be applied to multiple sets of web pages. We'll use powerful libraries from the Python ecosystem—such as Scrapy, lxml, pyquery, bs4, and others—to carry out web scraping operations. We will take an in-depth look at essential tasks to carry out simple to intermediate scraping operations such as identifying information from web pages, using patterns or attributes to retrieve information, and others. This book adopts a practical approach to web scraping concepts and tools, guiding you through a series of use cases and showing you how to use the best tools and techniques to efficiently scrape web pages. This book also covers the use of other popular web scraping tools, such as Selenium, Regex, and web-based APIs.By the end of this book, you will have learned how to efficiently scrape the web using different techniques with Python and other popular tools.

If you want to develop complete Python web apps with Django, this Learning Path is for you. It will walk you through Python programming techniques and guide you in implementing them when creating 4 professional Django projects, teaching you how to solve common problems and develop RESTful web services with Django and Python. You will learn how to build a blog application, a social image bookmarking website, an online shop, and an e-learning platform.Learn Web Development with Python will get you started with Python programming techniques, show you how to enhance your applications with AJAX, create RESTful APIs, and set up a production environment for your Django projects. Last but not least, you’ll learn the best practices for creating real-world applications.By the end of this Learning Path, you will have a full understanding of how Django works and how to use it to build web applications from scratch.This Learning Path includes content from the following Packt products:Learn Python Programming by Fabrizio Romano.Django RESTful Web Services by Gastón C. Hillar.Django Design Patterns and Best Practices by Arun Ravindran.

Web developers who want to use modern Python-based web frameworks like Django to build powerful web applications. The course is mostly self-contained and introduces web development with Python to a reader who is familiar with web development concepts and can help him become an expert in this trade. It’s intended for all levels of web developers, both students and practitioners from novice to experts.

Using the simple, robust, Python-based Django framework, you can build powerful Web solutions with remarkably few lines of code. In Python Web Development with Django(R), three experienced Django and Python developers cover all the techniques, tools, and concepts you need to make the most of Django 1.0, including all the major features of the new release. The authors teach Djan...(展开全部)

Web developers who want to use modern Python-based web frameworks like Django to build powerful web applications. The course is mostly self-contained and introduces web development with Python to a reader who is familiar with web development concepts and can help him become an expert in this trade. It’s intended for all levels of web developers, both students and practitioners from novice to experts.

"Mining the Web: Discovering Knowledge from Hypertext Data" is the first book devoted entirely to techniques for producing knowledge from the vast body of unstructured Web data. Building on an initial survey of infrastructural issues - including Web crawling and indexing - Chakrabarti examines low-level machine learning techniques as they relate specifically to the challenges o...(展开全部)