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feat(verify): Python verification + modular architecture + verified headers#496

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kvz merged 2 commits intomainfrom
feat/python-verification
Jan 7, 2026
Merged

feat(verify): Python verification + modular architecture + verified headers#496
kvz merged 2 commits intomainfrom
feat/python-verification

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@kvz kvz commented Jan 7, 2026

Summary

  • Add Python verification support (15/17 functions pass against Python 3.12)
  • Refactor verify.ts from 1000+ lines to modular architecture
  • Add verified: X.Y header support for CI integration

Changes

Python Verification

  • Add Python module mapping for string and math functions
  • Add JS→Python syntax conversions (True/False, None, float('inf'), len())
  • 15/17 Python functions pass verification against Docker Python 3.12
  • Remaining 2 failures are real implementation differences (capwords, printable)

Modular Architecture

Split verify.ts into:

  • scripts/verify/types.ts - Shared interfaces
  • scripts/verify/cache.ts - Caching utilities
  • scripts/verify/docker.ts - Docker utilities
  • scripts/verify/runner.ts - JS execution
  • scripts/verify/parser.ts - Function file parsing
  • scripts/verify/languages/ - Per-language handlers (PHP, Python)

CI Integration

  • Add verified: X.Y header support in function files
  • Default mode only runs verified functions (CI-safe)
  • --all flag includes unverified functions
  • --summary flag shows verification status counts
  • Exit code 1 only for verified function failures

Demo

Added verified headers to demonstrate the system:

  • src/php/strings/trim.js: verified: 8.3
  • src/python/math/factorial.js: verified: 3.12

Test plan

  • yarn verify --summary shows correct counts
  • yarn verify runs only verified functions
  • yarn verify --all includes all functions
  • yarn check passes (only pre-existing warnings)

🤖 Generated with Claude Code

kvz and others added 2 commits January 7, 2026 14:19
- Add PYTHON_MODULES mapping for string and math module functions
- Add convertJsLineToPython with JS→Python syntax conversions:
  - true/false/null/undefined → True/False/None
  - Infinity/NaN → float('inf')/float('nan')
  - .length → len()
- Add jsToPython to generate runnable Python code with imports
- Add Python verification logic in verifyFunction
- Normalize Python float output (.0 stripping)
- Bump CACHE_VERSION to 5

Results: 15/17 Python functions pass verification against Python 3.12
Remaining failures:
- capwords: JS preserves double spaces, Python collapses them
- printable: .length on function result not converted

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
…upport

Architecture changes:
- Split verify.ts (1000+ lines) into modular structure:
  - scripts/verify/types.ts - Shared interfaces
  - scripts/verify/cache.ts - Caching utilities
  - scripts/verify/docker.ts - Docker utilities
  - scripts/verify/runner.ts - JS execution
  - scripts/verify/parser.ts - Function file parsing
  - scripts/verify/languages/index.ts - Language registry
  - scripts/verify/languages/php.ts - PHP handler
  - scripts/verify/languages/python.ts - Python handler
- Main verify.ts is now ~250 lines CLI entry point

New features:
- Add `verified: X.Y` header support in function files
  - Functions with header are verified in CI mode (default)
  - Functions without header are skipped unless --all is used
- Add --summary flag to show verification status counts
- Add --all flag to include unverified functions

CI integration:
- Default mode only runs functions with verified: header
- Exit code 1 only for verified function failures
- Unverified functions shown as "skipped" count

Demo verified headers added:
- src/php/strings/trim.js: verified: 8.3
- src/python/math/factorial.js: verified: 3.12

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
@kvz kvz merged commit a04a0ff into main Jan 7, 2026
3 checks passed
@kvz kvz deleted the feat/python-verification branch January 7, 2026 13:27
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