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.

Python Enhancement Proposal (PEP) 751, accepted March 31, aims to create a new file format for specifying dependencies that is machine-generated and human-readable.

PEP 751 introduces a standardised file format, pylock.toml, designed to create an immutable record of both direct and indirect dependencies for Python environments. Recently marked as ‘Accepted,’ the ...