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Hands-On Web Scraping with Python

You're reading from   Hands-On Web Scraping with Python Perform advanced scraping operations using various Python libraries and tools such as Selenium, Regex, and others

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Product type Paperback
Published in Jul 2019
Publisher Packt
ISBN-13 9781789533392
Length 350 pages
Edition 1st Edition
Languages
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Author (1):
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Anish Chapagain Anish Chapagain
Author Profile Icon Anish Chapagain
Anish Chapagain
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Table of Contents (16) Chapters Close

Preface 1. Section 1: Introduction to Web Scraping
2. Web Scraping Fundamentals FREE CHAPTER 3. Section 2: Beginning Web Scraping
4. Python and the Web – Using urllib and Requests 5. Using LXML, XPath, and CSS Selectors 6. Scraping Using pyquery – a Python Library 7. Web Scraping Using Scrapy and Beautiful Soup 8. Section 3: Advanced Concepts
9. Working with Secure Web 10. Data Extraction Using Web-Based APIs 11. Using Selenium to Scrape the Web 12. Using Regex to Extract Data 13. Section 4: Conclusion
14. Next Steps 15. Other Books You May Enjoy

HTML <form> processing

In this section, we will be handling form processing or form submission in order to search for an activity from http://toscrape.com (ViewState). ViewState is an AJAX-based filter form.

This particular form submission is performed in multiple steps with the help of AJAX (https://www.w3schools.com/js/js_ajax_intro.asp). For more information on AJAX, please visit W3Schools AJAX:

http://toscrape.com with various endpoints in the Quotes section

Let's set up the code. The pyquery and requests libraries need to be imported and the required URLs need to be collected so that they can be used. The processRequests() function, along with positional and named arguments, is used for processing requests to the provided url, with the HTTP POST and GET methods based on the params argument returning a PyQuery object as a response.

We are also interested in iterating...

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