You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.

xdg-cache
2020.12.3

This version was deleted from PyPI around 2024-08-16. Installing fails with:
$ pip3 install xdg-cache==2020.12.3 ERROR: Could not find a version that satisfies the requirement xdg-cache==2020.12.3
View other deleted versions of xdg-cache

Install through StableBuild

You can install this package from StableBuild's PyPI snapshots from before the version was deleted:
pip3 install \ -i https://YOUR_API_KEY.pypimirror.stablebuild.com/2024-08-15/ \ xdg-cache==2020.12.3
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)

Or, download files manually

And install manually via pip:
xdg-cache-2020.12.3.tar.gz (1.5KB)