页数： 192 pages
出版商： Marco Tabini & Associates, Inc.
Despite all the advancements in web APIs and interoperability, it’s inevitable that, at some point in your career, you will have to “scrape” content from a website that was not built with web services in mind. And, despite its sometimes less-than-stellar reputation, web scraping is usually an entire legitimate activity—for example, to capture data from an old version of a website for insertion into a modern CMS.
This book, written by scraping expert Matthew Turland, covers web scraping techniques and topics that range from the simple to exotic using a variety of technologies and frameworks:
The streams wrapper
Building your own scraping library
Analyzing code with the DOM, SimpleXML and XMLReader extensions
CSS selector libraries
PCRE pattern matching
Tips and Tricks
Multiprocessing / parallel processing
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