def store_feature_array(
feats: np.ndarray,
storage: FeaturesWriter,
) -> str:
"""
Store ``feats`` array on disk, using ``lilcom`` compression by default.
:param feats: a numpy ndarray containing features.
:param storage: a ``FeaturesWriter`` object to use for array storage.
:return: a path to the file containing the stored array.
"""
feats_id = str(uuid4())
storage_key = storage.write(feats_id, feats)
return storage_key
def copy_feats(self, writer: FeaturesWriter) -> "Features":
"""
Read the referenced feature array and save it using ``writer``.
Returns a copy of the manifest with updated fields related to the feature storage.
"""
feats = self.load()
new_key = writer.write(self.storage_key, feats)
item = fastcopy(
self,
storage_type=writer.name,
storage_path=writer.storage_path,
storage_key=new_key,
)
return item