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 ...

The format string uses Python-like syntax, where dots (.) indicate field access and brackets ([]) indicate list indexing or hashtable lookups. Supports Python's ...

Python’s builders have accepted a proposal to create a universal lock file format for Python projects that would specify dependencies, enabling installation reproducibility in a Python environment.