Book Image

Hands-On Web Scraping with Python

By : Anish Chapagain
Book Image

Hands-On Web Scraping with Python

By: Anish Chapagain

Overview of this book

Web scraping is an essential technique used in many organizations to gather valuable data from web pages. This book will enable you to delve into web scraping techniques and methodologies. The book will introduce you to the fundamental concepts of web scraping techniques and how they can be applied to multiple sets of web pages. You'll use powerful libraries from the Python ecosystem such as Scrapy, lxml, pyquery, and bs4 to carry out web scraping operations. You will then get up to speed with simple to intermediate scraping operations such as identifying information from web pages and using patterns or attributes to retrieve information. 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. You'll even cover 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.
Table of Contents (16 chapters)
Free Chapter
Section 1: Introduction to Web Scraping
Section 2: Beginning Web Scraping
Section 3: Advanced Concepts
Section 4: Conclusion

Python and the Web – Using urllib and Requests

From the previous chapter, we now have an idea about what web scraping is, what the core development technologies that exist are, and where or how we can plan to find the information we are looking for.

Web scraping requires tools and techniques to be implemented and deployed using scripts or programs. The Python programming language consists of a huge set of libraries that are fit for interacting with the web and for scraping purposes. In this chapter, we will communicate with web resources using Python; we'll also explore and search for the contents to be extracted from the web.

This chapter will also provide a detailed overview of using Python libraries such as requests and urllib.

In particular, we will learn about the following topics:

  • Setting Python and its required libraries, requests and urllib, to load URLs
  • ...