Soloing

generator/solo/policy.py

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+"""One curated, deterministic composition policy; all times are quarter-note beats."""
+from __future__ import annotations
+
+import dataclasses
+import hashlib
+import json
+
+@dataclasses.dataclass(frozen=True)
+class Policy:
+  acoustic_activity: float = 1.125
+  electric_activity: float = 1.375
+  active_occupancy: float = 0.75
+  arrival_occupancy: float = 0.9
+  weights: tuple[tuple[str, float], ...] = (('activity', 4), ('occupancy', 4), ('fidelity', 3), ('landmarks', 3), ('register', 1), ('contour', 1), ('connection', 1), ('repetition', 1), ('movement', 0.5))
+  beam_width: int = 64
+  extensions: int = 32
+  retrieval: int = 32
+  alternatives: int = 4
+
+DEFAULT = Policy()
+
+def describe():
+  values = dataclasses.asdict(DEFAULT)
+  identity = hashlib.sha256(json.dumps(values, sort_keys=True).encode()).hexdigest()
+  return {'fingerprint': identity, 'parameters': values}
+
+def stable_rank(seed, value):
+  return hashlib.sha256((seed + repr(value)).encode()).hexdigest()