Use off-the-shelf dependency resolver instead of handrolled code - #241

Draft

bbannier wants to merge 12 commits into

topic/bbannier/tracking-method-enumfrom

topic/bbannier/pubgrub

Commits on Sep 18, 2026

Replace deprecated semver.Spec with semver.SimpleSpec in package.py
bbannier
committed
856e8e4
Extract _deps_at_version backed by PackageInfo
bbannier
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8eba77e
Change _deps_at_version to read metadata via git show
bbannier
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4cda260
Extract _semver_versions helper from git_version_tags
bbannier
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2698372
Introduce _ZkgProvider and _Node for nab-resolver integration
bbannier
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2894254
Seed dependency graph from all installed and builtin packages
bbannier
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f8a9284
Add btest for upgrade-via-dependency
bbannier
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ee780f2
Replace BFS solver with nab-resolver (installed packages hard-pinned)
bbannier
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9d433c3
Relax installed packages to soft lower-bound to allow upgrades
bbannier
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395c2cc
Move solver logic into _resolver.py
bbannier
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826b85e
Replace narrow_for_display workaround with _FmtRange subclass
bbannier
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5613acd
Extract `PackageInfo.version_tag()` to unify version fallback logic
bbannier
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56bf460