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Hands-On Web Scraping with Python

You're reading from   Hands-On Web Scraping with Python Extract quality data from the web using effective Python techniques

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Product type Paperback
Published in Oct 2023
Publisher Packt
ISBN-13 9781837636211
Length 324 pages
Edition 2nd Edition
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Author (1):
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Anish Chapagain Anish Chapagain
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Anish Chapagain
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Table of Contents (20) Chapters Close

Preface 1. Part 1:Python and Web Scraping
2. Chapter 1: Web Scraping Fundamentals FREE CHAPTER 3. Chapter 2: Python Programming for Data and Web 4. Part 2:Beginning Web Scraping
5. Chapter 3: Searching and Processing Web Documents 6. Chapter 4: Scraping Using PyQuery, a jQuery-Like Library for Python 7. Chapter 5: Scraping the Web with Scrapy and Beautiful Soup 8. Part 3:Advanced Scraping Concepts
9. Chapter 6: Working with the Secure Web 10. Chapter 7: Data Extraction Using Web APIs 11. Chapter 8: Using Selenium to Scrape the Web 12. Chapter 9: Using Regular Expressions and PDFs 13. Part 4:Advanced Data-Related Concepts
14. Chapter 10: Data Mining, Analysis, and Visualization 15. Chapter 11: Machine Learning and Web Scraping 16. Part 5:Conclusion
17. Chapter 12: After Scraping – Next Steps and Data Analysis 18. Index 19. Other Books You May Enjoy

Implementing HTTP methods

Generally, web-based interaction or communication between websites and users is achieved as follows:

  1. The user accesses a web page or navigates through the content that is available to them.
  2. The user then submits information to the website through an HTML form, by searching, logging in, registering themselves, and so on, and finally receiving the content they asked for.

In this section, we will be using the Python requests library to implement HTTP methods fitting the scenarios we just listed.

GET

The HTTP GET method is the default HTTP method. If no HTTP method is defined, then GET will be used by the code. We used some code earlier in this chapter that used GET. We were using the GET method unknowingly and without declaring it in the code.

By using GET, the resource’s state is not altered, so it is the default and safest method. GET parameters, also known as query strings, are visible in the URL. They are appended to the...

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