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audition/dependency_check.py

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+"""Explicit reproducibility exercise with authored synthetic input; no targets needed."""
+from __future__ import annotations
+import argparse,concurrent.futures,contextlib,copy,json,multiprocessing,tempfile
+from pathlib import Path
+from generator import production,vocabulary
+from tests.test_solo import song
+
+def main():
+  p=argparse.ArgumentParser(description=__doc__);p.add_argument('--output',type=Path,required=True);a=p.parse_args();a.output.mkdir(parents=True,exist_ok=True)
+  data=Path('data').resolve();source=production.SourceAnalysis.read(song(count=1,chords=('C7',)))
+  results={};evidence={'scope':'One-bar independently authored source, real production catalogs, all six roles; not a whole-song musical quality test.','canonical_source':source.musical_key,'cases':{}}
+  def collect(label,values):
+    hashes={role:vocabulary.fingerprint(value['document']) for role,value in values.items()}
+    evidence['cases'][label]=hashes
+    evidence.setdefault('reads',{})[label]={r:v.get('observed_reads',[]) for r,v in values.items()}
+    if results:assert hashes==results['base'],label
+    else:results['base']=hashes
+  with tempfile.TemporaryDirectory() as temp:
+    cache=Path(temp)/'cache'
+    collect('alone_cold',{r:production.generate_role(source,r,data,cache_dir=cache) for r in production.ROLES})
+    collect('reverse_warm',{r:production.generate_role(source,r,data,cache_dir=cache) for r in reversed(production.ROLES)})
+    with concurrent.futures.ProcessPoolExecutor(max_workers=2,mp_context=multiprocessing.get_context('spawn')) as pool:
+      futures={r:pool.submit(production._job,(source,r,data,{},None)) for r in reversed(production.ROLES)}
+      collect('parallel_cold',{r:f.result() for r,f in futures.items()})
+    with contextlib.chdir(temp):
+      refs=Path('build');refs.mkdir()
+      for name in ('all-of-me','autumn-leaves'):
+        for i in (1,2):(refs/f'{name}-solo-{i}.xml').write_text('invalid optional content')
+      collect('targets_present_cold',{r:production.generate_role(source,r,data) for r in production.ROLES})
+      for path in refs.glob('*.xml'):path.unlink()
+      collect('targets_absent_cold',{r:production.generate_role(source,r,data) for r in production.ROLES})
+    production.generate_role(source,'electric_solo',data,{'choice_seed':'different electric only'})
+    collect('after_electric_setting',{r:production.generate_role(source,r,data,cache_dir=cache) for r in production.ROLES})
+  evidence['passed']=True
+  (a.output/'dependency.json').write_text(json.dumps(evidence,indent=2))
+  print(json.dumps({'passed':True,'hashes':results['base']},indent=2))
+if __name__=='__main__':main()