Python Tutorials and Examples for Beginners

Python is an interpreted, high-level, general-purpose programming language. Created by Guido van Rossum and first released in 1991.

In this page, we write some tutorials and examples on how to use python to programming, you can build some excellent applications by following our tutorials and examples.

Best Practice to Python OpenDirector Add HTTP Request Header – Python Web Crawler Tutorial

To crawl a web page, we should add some http request headers to our crawler to simulate browser. We can use urllib.request.Request() to build a request object to add some headers to do it. Meanwhile, we also can use urllib.request.build_opener() to create an OpenDirector object to crawl a web page. In this tutorial, we will add some request headers to OpenDirector object to simulate browser.