def default_proc(self):
        """Process unknown data as a fallback.

        Called if a more-specific processor is not found for the
        ``Content-Type``.
        """
        if self.filename:
            # Always read into a file if a .filename was given.
            self.file = self.read_into_file()
        else:
            result = self.read_lines_to_boundary()
            if isinstance(result, bytes):
                self.value = result
            else:
                self.file = result
Process unknown data as a fallback.

        Called if a more-specific processor is not found for the
        ``Content-Type``.
        
cherrypy/_cpreqbody.py