tools: add standalone CVE source distribution/complementarity plots - #101
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Add tools/plot_source_distribution.py, a standalone dev-only script
(matplotlib, not a runtime dependency) that reads a cve-metadata.json
file and generates 7 PNG charts:
- coverage_by_source.png / coverage_by_source_upstream_only.png
- upstream_vs_combined_gain.png (how much closed enrichment sources
add on top of public upstream sources alone, set-unioned so
overlapping contributions aren't double-counted)
- volume_by_source.png
- overlap_cve_level.png / overlap_hash_level.png (pairwise Jaccard
similarity heatmaps)
- unique_contribution.png (hashes found by only one source, exactly
one other source, or 3+ sources, with the dominant pairing partner
named)
UPSTREAM_SOURCES is derived from cve_metadata_extractor's own
SOURCE_REGISTRY, so any source name not registered there is treated as
closed/external enrichment data and never hardcoded by name. nvd is
merged into cvelistv5 (same underlying data reported under two labels).
Add tools/README.md documenting usage, and gitignore *.png output.
Assisted-by: kiro:claude-sonnet-5
Signed-off-by: Daniel Turull <daniel.turull@ericsson.com>
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Add tools/plot_source_distribution.py, a standalone dev-only script (matplotlib, not a runtime dependency) that reads a cve-metadata.json file and generates 7 PNG charts:
UPSTREAM_SOURCES is derived from cve_metadata_extractor's own SOURCE_REGISTRY, so any source name not registered there is treated as closed/external enrichment data and never hardcoded by name. nvd is merged into cvelistv5 (same underlying data reported under two labels).
Add tools/README.md documenting usage, and gitignore *.png output.
Assisted-by: kiro:claude-sonnet-5