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Astral versions

Tracks release metadata for Astral products.

Format

Release metadata is stored in versioned ndjson files:

  • v1/ - The version of the schema
    • <project>.ndjson - The release metadata for a given project

Each line in the NDJSON files represents one release. date should be the GitHub release publish time in canonical UTC RFC3339 form, e.g.:

{
  "version": "0.8.3",
  "date": "2025-07-29T16:45:46Z",
  "artifacts": [
    {
      "platform": "aarch64-apple-darwin",
      "variant": "default",
      "url": "https://github.com/astral-sh/uv/releases/download/0.8.3/uv-aarch64-apple-darwin.tar.gz",
      "archive_format": "tar.gz",
      "sha256": "fcf0a9ea6599c6ae..."
    }
  ]
}

Adding versions

Use insert-versions.py to add versions. It reads NDJSON in the above format from stdin and merges them into the target file, deduplicating by version string, normalizing timestamps, and keeping the file sorted newest-first.

echo '{"version":"1.0.0","date":"...","artifacts":[...]}' | uv run scripts/insert-versions.py --name uv

For convenience, there's support for converting cargo-dist plans into the NDJSON format. The SHA256 checksums are fetched from GitHub.

cargo dist plan --output-format=json | uv run scripts/convert-cargo-dist-plan.py | uv run scripts/insert-versions.py --name uv

There's also backfill utility which pulls releases and artifacts from GitHub and adds them to the registry.

uv run scripts/backfill-versions.py <name>