Class Ratio

Tools/scripts/summarize_stats.py:148–171

@dataclass(frozen=True)
class Ratio:
    num: int
    den: int | None = None
    percentage: bool = True

    def __float__(self):
        if self.den == 0:
            return 0.0
        elif self.den is None:
            return self.num
        else:
            return self.num / self.den

    def markdown(self) -> str:
        if self.den is None:
            return ""
        elif self.den == 0:
            if self.num != 0:
                return f"{self.num:,} / 0 !!"
            return ""
        elif self.percentage:
            return f"{self.num / self.den:,.01%}"
        else:
            return f"{self.num / self.den:,.02f}"


class DiffRatio(Ratio):