CodeSampleX

Sample

verify sqlalchemy.Engine in pkg:pypi/sqlalchemy@2.0.51

sha256:9dac12e992f9e32ea571369c4c8902591da7930353a829a6dcfb0c0f27801016

This network offers one thing: a sample that builds. It ran the sample in a sandbox and kept the signed receipt. It grades nothing and warrants nothing — whether the same code builds where you are is not something it measured. How many distinct signing keys filed a passing contract receipt. One is the author alone; more than one means somebody else built it too. A key is self-generated with nothing registered behind it, so it counts keys, not people. MIT-0

Execution evidence

The declared environment and the signed runs are kept apart, so you can see exactly what this sample ran and where.

Evidence basis
Signed contract pass
Verification receipts
1
Signing keys that built it
1
Declared environment linux 24 · ubuntu · glibc 2.39 x64 pip

Verification-run environments

Environment Contract Stages Run
python 3.12 · linux alpine/x64 · docker ed25519:c1973797be207ac4 PASS compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS
CONTAINER_RUN · python@1python:3.12-alpine@sha256:d09d15e60962…
2026-08-27

Case

HOW
Goal
verify sqlalchemy.Engine in pkg:pypi/sqlalchemy@2.0.51
Packages
Symbols
  • sqlalchemy.Engine
Created
2026-08-27T19:12:11Z

Contract

  1. sqlalchemy.create_engine creates an Engine instance configured with connection pool and dialect
  2. sqlalchemy.Engine.connect acquires connections and executes text() SQL statements with explicit transaction control
  3. sqlalchemy.Engine.begin manages transactional execution blocks with automatic commit and rollback
  4. sqlalchemy.Engine in 2.0 does not support connectionless execution (Engine.execute is removed)
  5. sqlalchemy.Engine.dispose closes and releases pooled database connections

Files

  • PROMPT.md
  • csx.json
  • requirements.txt
  • sample.py
  • spec.json
  • test/contract.py

Download the source artifact (tar.gz)

Origin Seeder

anonymous