score_fixer.py

class ScoreFixer(object):
    def __init__(self):
        self.lastGoodLabel = None

    def charToDigit(self, item):
        return int(item, 16)

    def digitToChar(self, item):
        return hex(item).upper()[2:]

    def reset(self):
        self.lastGoodLabel = None

    def fix(self, label, value):
        if (label is None) or (self.lastGoodLabel is None):
            self.lastGoodLabel = label
            return label, value

        if self.lastGoodLabel[0] == label[0]:
            self.lastGoodLabel = label
            return label, value

        goodFirstDigit = self.charToDigit(self.lastGoodLabel[0])
        newFirstDigit = self.charToDigit(label[0])

        # we should only be able to up by one digit at a time...
        if newFirstDigit == goodFirstDigit + 1:
            self.lastGoodLabel = label
            return label, value

        # K, if this point is reached, something is not right, and we need to apply correction

        if label[0] == "A":
            if self.lastGoodLabel[0] == "3" or self.lastGoodLabel[0] == "4":
                label = "4" + label[1:]
                value += (4 - 10) * 10 ** 5

        elif label[0] == "4":
            if self.lastGoodLabel[0] == "9" or self.lastGoodLabel[0] == "A":
                label = "A" + label[1:]
                value += (10 - 4) * 10 ** 5

        elif label[0] == "8":
            if self.lastGoodLabel[0] == "A" or self.lastGoodLabel[0] == "B":
                label = "B" + label[1:]
                value += (11 - 8) * 10 ** 5

        elif label[0] == "B":
            if self.lastGoodLabel[0] == "7" or self.lastGoodLabel[0] == "8":
                label = "8" + label[1:]
                value += (8 - 11) * 10 ** 5

        self.lastGoodLabel = label

        return label, value