def validate_result()

in presidio-analyzer/presidio_analyzer/predefined_recognizers/au_abn_recognizer.py [0:0]

• 14 lines of code
• 5 McCabe index (conditional complexity)

    def validate_result(self, pattern_text: str) -> bool:
        """
        Validate the pattern logic e.g., by running checksum on a detected pattern.

        :param pattern_text: the text to validated.
        Only the part in text that was detected by the regex engine
        :return: A bool indicating whether the validation was successful.
        """
        # Pre-processing before validation checks
        text = self.__sanitize_value(pattern_text, self.replacement_pairs)
        abn_list = [int(digit) for digit in text]

        # Set weights based on digit position
        weight = [10, 1, 3, 5, 7, 9, 11, 13, 15, 17, 19]

        # Perform checksums
        abn_list[0] = 9 if abn_list[0] == 0 else abn_list[0] - 1
        sum_product = 0
        for i in range(11):
            sum_product += abn_list[i] * weight[i]
        remainder = sum_product % 89
        if remainder == 0:
            result = True
        else:
            result = None
        return result