renkin 0.26.0

Ultra-fast retrosynthesis engine for computer-aided synthesis planning (CASP) — pure Rust, WASM-ready, Python bindings via PyO3
Documentation 
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"""RENKIN Python quickstart. Runs as part of CI so this example can never
silently drift from the real API (see .github/workflows/ci.yml)."""

import json

import renkin

result = json.loads(
    renkin.find_routes(
        target="CC(=O)Oc1ccccc1C(=O)O",  # Aspirin
        depth=5,
        max_routes=3,
    )
)

print(f"Routes found: {result['routes_found']}")
for route in result["routes"]:
    print(f"Route (depth {route['depth']}):")
    for step in route["steps"]:
        print(f"  {step['target']} -> {' + '.join(step['precursors'])}")
        print(f"  via {step['rule']}")