PDM also supports centralized package cache like [pnpm] while still keeping project's dependencies isolated. > Also this will just pollute your source director

PDM also supports centralized package cache like [pnpm] while still keeping project's dependencies isolated. > Also this will just pollute your source directories with generated directories and files that shouldn't be there. I don't see why it is a problem, node.js also has node_modules in the project. And __pypackages__ is created with a .gitignore file so you won't commit it accidentally.