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import re
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from .num import num2str
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# 温度表达式，温度会影响负号的读法
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# -3°C 零下三度
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RE_TEMPERATURE = re.compile(
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r'(-?)(\d+(\.\d+)?)(°C|℃|度|摄氏度)'
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)
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def replace_temperature(match: re.Match) -> str:
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sign = match.group(1)
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temperature = match.group(2)
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unit = match.group(3)
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sign: str = "零下" if sign else ""
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temperature: str = num2str(temperature)
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unit: str = "摄氏度" if unit == "摄氏度" else "度"
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result = f"{sign}{temperature}{unit}"
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return result
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