O'Reilly logo

Learning Scrapy by Dimitrios Kouzis-Loukas

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Appendix A. Installing and troubleshooting prerequisite software

Installing prerequisites

This book uses a rich system of virtual servers to demonstrate the uses of Scrapy in a realistic multiserver deployment. We use industry standard tools—Vagrant and Docker—to set this system up. This is a book with strong dependencies on website content and layout, and if we were using websites outside our control, our examples would break in a few months time. Vagrant and Docker allow us to provide an isolated environment where examples run seamlessly now and in the future. As a side benefit, we don't hit any remote servers; thus, we can't cause any inconvenience to any webmaster. Even if we break something and examples stop working, by using two commands, ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required