def loads(self, requirements_text):
        lines = re.findall(Requirement.spec_regex,
                           requirements_text,
                           re.MULTILINE)
        for line in lines:
            self.add(Requirement(line[0], "".join(line[1:])))
def update_message_data_string(self):
        fuz_start = self.current_label_start
        fuz_end = self.current_label_end
        num_proto_bits = 10
        num_fuz_bits = 16

        proto_start = fuz_start - num_proto_bits
        preambel = "... "
        if proto_start <= 0:
            proto_start = 0
            preambel = ""

        proto_end = fuz_end + num_proto_bits
        postambel = " ..."
        if proto_end >= len(self.message_data) - 1:
            proto_end = len(self.message_data) - 1
            postambel = ""

        fuzamble = ""
        if fuz_end - fuz_start > num_fuz_bits:
            fuz_end = fuz_start + num_fuz_bits
            fuzamble = "..."

        self.ui.lPreBits.setText(preambel + self.message_data[proto_start:self.current_label_start])
        self.ui.lFuzzedBits.setText(self.message_data[fuz_start:fuz_end] + fuzamble)
        self.ui.lPostBits.setText(self.message_data[self.current_label_end:proto_end] + postambel)
        self.set_add_spinboxes_maximum_on_label_change()