code: def _main():
      
      if len(sys.argv) != 2:
          print("Usage: python -m auvyon.imaging.spectrograms <mediafile>")
      else:
          try:
              print("Created %s" % spectrogram_image(sys.argv[1], dpi=103, outfile="spectrogram.jpg"))
          except subprocess.CalledProcessError, exc:
              print("Conversion error: %s" % exc)
docs: Command line interface for testing.