level_fixer.py

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

    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

        # level maps for 30 to 35
        # 00:30 - 0A:31 - 14:32 - 1E:33 - 28:34 - 32:35
        # what's the logic? 🤔

        # Fix the levels with no ambiguity
        if label == "1E":
            label = "33"
            value = 33

        elif label == "32":
            label = "35"
            value = 35

        # fix the funny ones
        else:
            if label == "00":
                if self.lastGoodLabel == "29" or self.lastGoodLabel == "30":
                    label = "30"
                    value = 30

            elif label == "0A" or label == "04":
                if self.lastGoodLabel == "30" or self.lastGoodLabel == "31":
                    label = "31"
                    value = 31

            elif label == "14" or label == "1A":
                if self.lastGoodLabel == "31" or self.lastGoodLabel == "32":
                    label = "32"
                    value = 32

            elif label == "28" or label == "2B":
                if self.lastGoodLabel == "33" or self.lastGoodLabel == "34":
                    label = "34"
                    value = 34

            # Fix any other A and B in second place, since they're impossible
            if label[1] == "A":
                label = label[0] + "4"
                value += 4 - 10

            elif label[1] == "B":
                label = label[0] + "8"
                value += 8 - 11

        self.lastGoodLabel = label

        return label, value