util.py 文件源码

def write(self, buffer):
        if self.mode == MODE_NUMBER:
            for i in xrange(0, len(self.data), 3):
                chars = self.data[i:i + 3]
                bit_length = NUMBER_LENGTH[len(chars)]
                buffer.put(int(chars), bit_length)
        elif self.mode == MODE_ALPHA_NUM:
            for i in xrange(0, len(self.data), 2):
                chars = self.data[i:i + 2]
                if len(chars) > 1:
                    buffer.put(
                        ALPHA_NUM.find(chars[0]) * 45 +
                        ALPHA_NUM.find(chars[1]), 11)
                else:
                    buffer.put(ALPHA_NUM.find(chars), 6)
        else:
            if six.PY3:
                # Iterating a bytestring in Python 3 returns an integer,
                # no need to ord().
                data = self.data
            else:
                data = [ord(c) for c in self.data]
            for c in data:
                buffer.put(c, 8)