Simplification

generator/solo/rhythm.py

@@ -17,7 +17,7 @@ class Rhythms:
       self.groups.append((item['id'],tuple(pattern),cursor,tuple(item['purpose'])))
     for cell in vocabulary.rhythm_cells(tempo):
       # Imported authored cells remain whole. They are never sliced to fit.
-      if groups.valid(cell.pattern):self.groups.append((cell.id,cell.pattern,cell.duration,('develop','answer') if cell.purpose=='answer' else ('arpeggio','scalar','develop','neighbor')))
+      if groups.valid(cell.pattern):self.groups.append((cell.id,cell.pattern,cell.duration,(cell.purpose,)))
     # Meter-indexed catalog representatives: file counts do not set style frequency.
     self.catalog={}
     for meter,items in library.snippets.items():
@@ -30,4 +30,3 @@ class Rhythms:
           descriptor=(len(pattern),pattern[0][0]>0,any(a[1]<b[0] for a,b in zip(pattern,pattern[1:])),len(set(b-a for a,b in pattern)))
           representatives.setdefault(descriptor,(item.id,pattern,bar.length,('develop','answer')))
       self.catalog[meter]=tuple(representatives.values())
-    self.cache={}