Sample
Resolve installed package versions when distribution names differ from top-level import names without PackageNotFoundError
sha256:beb8b3121c3cddc83a0038650f092bd1609123c82e31e1209dc60f07e688d56f
PUBLISHED
L3_CONTRACT_PASS
MIT-0
Case
- Goal
- Resolve installed package versions when distribution names differ from top-level import names without PackageNotFoundError HOW
- Packages
- importlib-metadata 9.0.0 zipp 4.1.0
- Environment
- python
- Created
- 2026-08-16T06:31:23Z
Contract
- assert version() queries distribution name and raises PackageNotFoundError when given top-level import package name
- assert PackageNotFoundError inherits from ModuleNotFoundError and ImportError but not KeyError
- assert distribution name normalization under PEP 503 equates hyphens, underscores, dots, and case variants
- assert packages_distributions() maps import package names to list of distribution names
- assert passing module object or non-string to version() raises TypeError
Files
- NOTES.md
- csx.json
- requirements.txt
- src/__init__.py
- src/resolver.py
- test/contract.py
Download the verified artifact (tar.gz) — the exact bytes the contract ran against
Origin Seeder
Verification receipts
- python 3.12 · CONTAINER_RUN · compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS · python@1 · 2026-08-15 · ed25519:d91480838ac982c9