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Python Web Scraping

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

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Product type Paperback
Published in May 2017
Publisher
ISBN-13 9781786462589
Length 220 pages
Edition 2nd Edition
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Author (1):
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Katharine Jarmul Katharine Jarmul
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Katharine Jarmul
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CSS selectors and your Browser Console

Like the notation we used to extract using cssselect, CSS selectors are patterns used for selecting HTML elements. Here are some examples of common selectors you should know:

Select any tag: * 
Select by tag <a>: a
Select by class of "link": .link
Select by tag <a> with class "link": a.link
Select by tag <a> with ID "home": a#home
Select by child <span> of tag <a>: a > span
Select by descendant <span> of tag <a>: a span
Select by tag <a> with attribute title of "Home": a[title=Home]

The cssselect library implements most CSS3 selectors, and details on unsupported features (primarily browser interactions) are available at https://cssselect.readthedocs.io/en/latest/#supported-selectors.

The CSS3 specification was produced by the W3C and is available for viewing at http://www.w3.org/TR/2011...
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