Description

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If programming is magic then web scraping is surely a form of wizardry. By writing a simple automated program, you can query web servers, request data, and parse it to extract the information you need. The expanded edition of this practical book not only introduces you web scraping, but also serves as a comprehensive guide to scraping almost every type of data from the modern web.

Part I focuses on web scraping mechanics: using Python to request information from a web server, performing basic handling of the server's response, and interacting with sites in an automated fashion. Part II explores a variety of more specific tools and applications to fit any web scraping scenario you're likely to encounter.

• Parse complicated HTML pages
• Develop crawlers with the Scrapy framework
• Learn methods to store data you scrape
• Read and extract data from documents
• Clean and normalize badly formatted data
• Read and write natural languages
• Crawl through forms and logins
• Scrape JavaScript and crawl through APIs
• Use and write image-to-text software
• Avoid scraping traps and bot blockers
• Use scrapers to test your website

About the Author

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Ryan Mitchell is a Software Engineer at LinkeDrive in Boston, where she develops their API and data analysis tools. She is a graduate of Olin College of Engineering, and is a Masters degree student at Harvard University School of Extension Studies. Prior to joining LinkeDrive, she was a Software Engineer working on web scraping and data analysis at Abine.