Method calculate_checksum

barcode/codex.py:68–73

(self)

        return self.code

    def calculate_checksum(self):
        check = sum(code39.MAP[x][0] for x in self.code) % 43
        for k, v in code39.MAP.items():
            if check == v[0]:
                return k
        return None

    def build(self) -> list[str]:
        chars = [code39.EDGE]