CodeSampleX

Sample

verify charset_normalizer.from_bytes in pkg:pypi/charset-normalizer@3.5.1

sha256:57fa6b9ece1fb38fb90b70d03b6e24af923df38997597b5c400965ba45b6b682

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 uv

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…
2026-08-26

Case

HOW
Goal
verify charset_normalizer.from_bytes in pkg:pypi/charset-normalizer@3.5.1
Packages
Symbols
  • charset_normalizer.from_bytes
Environment
python 3.12
Created
2026-08-26T04:33:59Z

Contract

  1. charset_normalizer.from_bytes accepts a bytes sequence and returns a CharsetMatches collection containing CharsetMatch candidates
  2. matches.best() returns a CharsetMatch with the detected encoding and decodes the payload accurately with str() and output()
  3. best.byte_order_mark and best.bom identify the presence of a Byte Order Mark in UTF-8 byte sequences
  4. from_bytes raises TypeError when invoked with arguments that are not instances of bytes or bytearray
  5. cp_isolation restricts charset detection candidates to the specified list of encoding names

Files

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

Download the source artifact (tar.gz)

Origin Seeder

anonymous