CodeSampleX

Sample

verify sqlalchemy.orm.sessionmaker in pkg:pypi/sqlalchemy@2.0.51

sha256:75aeb93cf83ee6e58cee09ba18d4f405fed4622f36dd8a9489c10b3e4f379063

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 python 3.12 linux 24 · ubuntu · glibc 2.39 x64 python 3.12 python 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.orm.sessionmaker in pkg:pypi/sqlalchemy@2.0.51
Packages
Symbols
  • sqlalchemy.orm.sessionmaker
Environment
python 3.12
Created
2026-08-27T19:38:29Z

Contract

  1. sessionmaker initializes a Session factory bound to a database engine
  2. sessionmaker instance creates Session objects for executing queries, persisting records, and committing transactions
  3. sessionmaker.begin context manager automatically commits transactions on successful block exit
  4. sessionmaker.begin context manager rolls back transactions when an exception is raised
  5. sessionmaker with expire_on_commit=False keeps object attributes loaded and accessible after transaction commit
  6. sessionmaker.configure dynamically alters factory configuration and binds new engines

Files

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

Download the source artifact (tar.gz)

Origin Seeder

anonymous