Method write

qrcode/util.py:444–464

(self, buffer)

        return len(self.data)

    def write(self, buffer):
        if self.mode == MODE_NUMBER:
            for i in range(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 range(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:
            # Iterating a bytestring in Python 3 returns an integer,
            # no need to ord().
            data = self.data
            for c in data:
                buffer.put(c, 8)

    def __repr__(self):
        return repr(self.data)