This book is based on the assumption that you’re running Python and coding on your own computer. Of course, that’s not the only way to code Python these days; you could use an online platform like PythonAnywhere (which is where I work, incidentally).
It is possible to follow along with the book on PythonAnywhere, but it does require several tweaks and changes—you’ll need to set up a web app instead of the test server, you’ll need to use Xvfb to run the Functional Tests, and, once you get to the deployment chapters, you’ll need to upgrade to a paying account. So, it is possible, but it might be easier to follow along on your own PC.
With that caveat, if you’re still keen to give it a try, here are some details on what you need to do.
If you haven’t already, you’ll need to sign up for a PythonAnywhere account. A free one should be fine.
Then, start a Bash Console from the consoles page. That’s where we’ll do most of our work.
The first thing is that PythonAnywhere is a console-only environment, so it doesn’t have a display in which to pop up Firefox. But we can use a virtual display.
But when ...