update_existing_metadata

lib.image.update_existing_metadata(filename: str, metadata: PNGHeader | bytes) → None

Update the png header metadata for an existing .png extracted face file on the filesystem.

Parameters:

• filename (str) – The full path to the face to be updated

• metadata (PNGHeader | bytes) – The dictionary to write to the header. Can be pre-encoded as utf-8.

Return type:

None