old_contents: from .utils import to_bytes
  
  
  class Message:
      """A message recieved from the IRC network."""
  
      def __init__(self, raw_message):
          self.raw = raw_message
          self.prefix, self.command, self.params, self.suffix = self._elements()
  
      def _elements(self):
          """
          Split the raw message into it's component parts.
  
          Adapted from http://stackoverflow.com/a/930706/400691
          """
          message = self.raw.strip()
  
          prefix = b''
          # Odd slicing required for bytes to avoid getting int instead of char
          # http://stackoverflow.com/q/28249597/400691
          if message[0:1] == b':':
              prefix, message = message[1:].split(b' ', 1)
  
          suffix = b''
          if b' :' in message:
              message, suffix = message.split(b' :', 1)
  
          command, *params = message.split()
          params = list(filter(None, params))
  
          return prefix, command, params, suffix
  
  
  def message_bytes(command, prefix=b'', params=None, suffix=b''):
      command = to_bytes(command)
      prefix = to_bytes(prefix)
      params = list(map(to_bytes, params or []))
      suffix = to_bytes(suffix)
  
      message = command
      if prefix:
          message = b':' + prefix + b' ' + message
      if params:
          params = b' '.join(params)
          message = message + b' ' + params
      if suffix:
          message = message + b' :' + suffix
      return message
  
new_contents: from .utils import to_bytes
  
  
  class Message(bytes):
      """A message recieved from the IRC network."""
  
      def __init__(self, raw_message_bytes_ignored):
          super().__init__()
          self.prefix, self.command, self.params, self.suffix = self._elements()
  
      def _elements(self):
          """
          Split the raw message into it's component parts.
  
          Adapted from http://stackoverflow.com/a/930706/400691
          """
          message = self.strip()
  
          prefix = b''
          # Odd slicing required for bytes to avoid getting int instead of char
          # http://stackoverflow.com/q/28249597/400691
          if message[0:1] == b':':
              prefix, message = message[1:].split(b' ', 1)
  
          suffix = b''
          if b' :' in message:
              message, suffix = message.split(b' :', 1)
  
          command, *params = message.split()
          params = list(filter(None, params))
  
          return prefix, command, params, suffix
  
  
  def message_bytes(command, prefix=b'', params=None, suffix=b''):
      command = to_bytes(command)
      prefix = to_bytes(prefix)
      params = list(map(to_bytes, params or []))
      suffix = to_bytes(suffix)
  
      message = command
      if prefix:
          message = b':' + prefix + b' ' + message
      if params:
          params = b' '.join(params)
          message = message + b' ' + params
      if suffix:
          message = message + b' :' + suffix
      return message
  
subject: Make Message a subclass of bytes