Selenium: Handling Timeouts and Errors (Shallow Thoughts)

Selenium: Handling Timeouts and Errors

This is part 3 of my selenium exploration trying to fetch stories from the NY Times ((as a subscriber).

• Part I: Selenium Basics
• Part II: Running Headless on a Server
• Part III: Handling Errors and Timeouts (this article)

At the end of Part II, selenium was running on a server with the minimal number of X and GTK libraries installed.

But now that it can run unattended, there's nother problem: there are all kinds of ways this can fail, and your script needs to handle those errors somehow.

Before diving in, I should mention that for my original goal, fetching stories from the NY Times as a subscriber, it turned out I didn't need selenium after all. Since handling selenium errors turned out to be so brittle (as I'll describe in this article), I'm now using requests combined with a Python CookieJar. I'll write about that in a future article. Meanwhile ...

Handling Errors and Timeouts

Timeouts are a particular problem with selenium, because there doesn't seem to be any reliable way to change them so the selenium script doesn't hang for ridiculously long periods.

Read more ...