Add audio separation web app and verified recovery sources

test_separator.py

@@ -19,7 +19,9 @@ class Tests(unittest.TestCase):
  def test_model_requires_configuration_and_unknown_download_rejected(self):
   with tempfile.TemporaryDirectory() as root:
    runtime=SeparatorRuntime(root);models=Path(root,'models');models.mkdir();name=next(iter(MODELS));(models/name).write_bytes(b'weights')
-   self.assertFalse(runtime.model_ready(name));(models/MODELS[name][1]).write_text('model: {}');(models/(name+'.ready')).write_text('{}');self.assertTrue(runtime.model_ready(name))
+   self.assertFalse(runtime.model_ready(name));(models/MODELS[name][1]).write_text('model: {}');(models/(name+'.ready')).write_text('{}');self.assertFalse(runtime.model_ready(name))
+   from separator_runtime import SOURCES
+   (models/(name+'.ready')).write_text(json.dumps({f['file']:f['sha256'] for f in SOURCES[name]['files']}));self.assertTrue(runtime.model_ready(name))
    with self.assertRaises(ValueError):runtime.download('../other')
    with self.assertRaises(ValueError):runtime.download([])
  def test_stereo_accepted_and_long_or_truncated_wav_rejected(self):