The newly approved Python Enhancement Proposal 751 gives Python a standard lock file format for specifying the dependencies of projects. Here’s the what, why, and when.

However, that’s all tomllib does—it doesn’t serialize Python objects into TOML files, so it’s not suited to reading and writing TOML; only reading.

I too like rshell, as I can hop back and forth between file transfers and serial in one spot. And it’ll shell out to VIM (or maybe to my default editor, not sure) if I want to do a quick edit on ...