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Preserve canonical empty requirement diagnostics

charlie/canonical-pep440-ranges

3 hours ago

Explain empty root requirement ranges (#20228) ## Summary This builds on #20227 by preserving the requirement that produced an empty version range instead of formatting the normalized empty set generically after resolution fails. Detect unsatisfiable version specifiers while converting requirements to PubGrub dependencies, then attach a structured `UnsatisfiableRequirement` as the reason the parent version is unavailable. The derivation tree retains the package, extras, and original specifiers, so root requirements can explain the exact conflict and transitive requirements use the same mechanism without a separate reporting side channel. Availability hints are skipped for this reason because the parent package itself is not unavailable. For example, `pypyp==1,>=1.2` now reports `you require pypyp==1 and pypyp>=1.2, which are incompatible`.

main

3 hours ago

Cover proxy index workflows end to end

zsol/proxy-index-09-configuration

3 hours ago

Explain empty root requirement ranges

charlie/explain-empty-range-diagnostic

3 hours ago

Clarify empty version range diagnostics (#20227) ## Summary When direct requirements have an empty intersection, the resolver reports `you require pypyp ∅`. The empty-set notation is terse and obscures that the package requirements themselves cannot be satisfied. Render empty root dependency ranges as `your requirements for pypyp cannot be satisfied`. This keeps the affected package visible while describing the conflict in plain language, and preserves generic range formatting for non-root incompatibilities.

main

3 hours ago

Explain empty root requirement ranges

charlie/explain-empty-range-diagnostic

3 hours ago

Clarify empty version range diagnostics

charlie/clarify-empty-range-diagnostic

4 hours ago

Clarify empty version range diagnostics

charlie/clarify-empty-range-diagnostic

4 hours ago

Latest Branches

0%

Canonicalize PEP 440 ranges for PubGrub#20182

3 hours ago

7c620fb

charlie/canonical-pep440-ranges

0%

Allow configuration of proxy indexes#20218

13 days ago

2552628

zsol/proxy-index-09-configuration

-1%

Explain empty root requirement ranges#20228

4 hours ago

ab5d1fe

charlie/explain-empty-range-diagnostic

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