code: def parse_media_type(media_type):
      '''Returns type, subtype, parameter tuple from an http media_type.
      Can be applied to the 'Accept' or 'Content-Type' http header fields.
      '''
      media_type, sep, parameter = str(media_type).partition(';')
      media_type, sep, subtype = media_type.partition('/')
      return tuple(x.strip() or None for x in (media_type, subtype, parameter)f parse_media_type(media_type):
      '''Returns type, subtype, parameter tuple from an http media_type.
      Can be applied to the 'Accept' or 'Content-Type' http header fields.
      '''
      media_type, sep, parameter = str(media_type).partition(';')
      media_type, sep, subtype = media_type.partition('/')
      return tuple(x.strip() or None for x in (media_type, subtype, parameter))
docs: Returns type, subtype, parameter tuple from an http media_type.
      Can be applied to the 'Accept' or 'Content-Type' http header fields.