Search icon CANCEL
Subscription
0
Cart icon
Your Cart (0 item)
Close icon
You have no products in your basket yet
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
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

Arrow left icon
Product type Paperback
Published in Jul 2019
Publisher Packt
ISBN-13 9781789533392
Length 350 pages
Edition 1st Edition
Languages
Arrow right icon
Author (1):
Arrow left icon
Anish Chapagain Anish Chapagain
Author Profile Icon Anish Chapagain
Anish Chapagain
Arrow right icon
View More author details
Toc

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

Working with cookies and sessions

In this section, we will be handling form processing for user authentication and managing cookies and sessions for http://quotes.toscrape.com/login from http://toscrape.com

In order to log in, you need to log in with a CSRF token (any username/password works).

Let's set up the code. The pyquery and requests libraries need to be imported and the required URLs will be collected and used. The getCustomHeaders() function, together with the cookieHeader argument, is used to set the cookie value for the URL request headers. The responseCookies() function, together with the response argument, displays the headers and cookies, and also returns the Set-Cookie value from cookies:

from pyquery import PyQuery as pq
import requests
mainUrl = "http://toscrape.com/"
loginUrl = "http://quotes.toscrape.com/login"
quoteUrl = "http:/...
lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at $19.99/month. Cancel anytime
Banner background image