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
Conferences
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
Python Web Scraping

You're reading from   Python Web Scraping Hands-on data scraping and crawling using PyQT, Selnium, HTML and Python

Arrow left icon
Product type Paperback
Published in May 2017
Publisher
ISBN-13 9781786462589
Length 220 pages
Edition 2nd Edition
Languages
Tools
Concepts
Arrow right icon
Author (1):
Arrow left icon
Katharine Jarmul Katharine Jarmul
Author Profile Icon Katharine Jarmul
Katharine Jarmul
Arrow right icon
View More author details
Toc

XPath Selectors

There are times when using CSS selectors will not work. This is especially the case with very broken HTML or improperly formatted elements. Despite the best efforts of libraries like BeautifulSoup and lxml to properly parse and clean up the code; it will not always work - and in these cases, XPath can help you build very specific selectors based on hierarchical relationships of elements on the page.

XPath is a way of describing relationships as an hierarchy in XML documents. Because HTML is formed using XML elements, we can also use XPath to navigate and select elements from an HTML document.

To read more about XPath, check out the Mozilla developer documentation: https://developer.mozilla.org/en-US/docs/Web/XPath.

XPath follows some basic syntax rules and has some similarities with CSS selectors. Take a look at the following chart for some quick references between the two.

Selector description...
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