new_contents: #!/usr/bin/env python3
  """Raw decode sequence of messages with protoc.
  
  Pass hex string (including variant length). Multiple messages
  are supported.
  """
  
  import os
  import sys
  import binascii
  
  from pyatv.mrp import variant
  
  
  if __name__ == '__main__':
      buf = binascii.unhexlify(sys.argv[1])
      while buf:
          length, raw = variant.read_variant(buf)
          data = raw[:length]
          buf = raw[length:]
  
          hexdata = binascii.hexlify(data).decode('ascii')
          print('Raw:', hexdata, '\n')
          print('Decoded')
          os.system('echo ' + hexdata + ' | xxd -r -p | protoc --decode_raw')
          print(40*'-')
  
subject: Add script to raw decode messages