New Python Packaging Proposal Aims to Solve Phantom Dependen...
Blog post from Socket
PEP 770 proposes the addition of Software Bill-of-Materials (SBOM) support to Python packages to address the issue of phantom dependencies, which are non-Python components included in packages that are often overlooked by security tools. This proposal, introduced by PSF Security Developer-in-Residence Seth Larson, aims to enhance the transparency and measurability of Python packages, aligning them with global standards by including an optional SBOM metadata field in `pyproject.toml` files. SBOMs, which detail the components and dependencies of software packages, are crucial for detecting vulnerabilities, ensuring compliance with licensing, and meeting regulatory standards like the Cyber Resilience Act and Secure Software Development Framework. PEP 770 allows for the inclusion of SBOMs in recognized formats such as CycloneDX and SPDX, offering flexibility for developers while maintaining backwards compatibility. By supporting multiple SBOM standards, the proposal seeks to integrate Python packages more effectively into existing security and compliance workflows, improving the overall security of the Python ecosystem and aiding organizations in meeting regulatory demands.
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