import constants from packet import Packet class String(object): """Class representing a STRING file.""" def __init__(self, data=None, label=None, size=None): """ :param data: initial string to insert into object :param label: file label (default: "1") :param size: maximum size of string data in bytes (default: 32) """ if data is None: data = "" if label is None: label = "1" if size is None: size = 32 if len(data) > size: size = len(data) if size > 125: size = 125 if size < 1: size = 1 self.label = label self.size = size self.data = data def call(self): """Call a STRING. This is for inserting a STRING file into a TEXT file. Returns: control code and specified string label """ return "\x10%s" % self.label def __str__(self): return str(Packet("%s%s%s" % (constants.WRITE_STRING, self.label, self.data))) def __repr__(self): return repr(self.__str__())