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.

The report looked at how vulnerabilities impacted the JavaScript (npm), Ruby (RubyGems), Java (MavenCentral), PHP (Packagist), and Python (PyPI) ecosystems. Snyk said that 86% of the JavaScript ...