2025-02-13 02:27:44 +08:00
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# _*_ coding : UTF-8 _*_
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# @Time : 2025/01/19 00:52
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# @UpdateTime : 2025/01/19 00:52
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# @Author : sonder
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# @File : common.py
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# @Software : PyCharm
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# @Comment : 本程序
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2025-02-27 23:22:19 +08:00
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from typing import List, Any, Optional, Type
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2025-02-13 02:27:44 +08:00
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def bytes2human(n, format_str='%(value).1f%(symbol)s'):
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"""Used by various scripts. See:
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http://goo.gl/zeJZl
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>>> bytes2human(10000)
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'9.8K'
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>>> bytes2human(100001221)
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'95.4M'
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"""
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symbols = ('B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB')
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prefix = {}
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for i, s in enumerate(symbols[1:]):
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prefix[s] = 1 << (i + 1) * 10
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for symbol in reversed(symbols[1:]):
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if n >= prefix[symbol]:
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value = float(n) / prefix[symbol]
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return format_str % locals()
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return format_str % dict(symbol=symbols[0], value=n)
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2025-02-27 23:22:19 +08:00
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async def filterKeyValues(dataList: List[dict], key: str, default: Any = None, convert_type: Optional[Type] = None) -> List[Any]:
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2025-02-13 02:27:44 +08:00
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"""
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2025-02-27 23:22:19 +08:00
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获取列表字段数据，并可选择进行类型转换。
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:param dataList: 数据列表（列表中的元素是字典）
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:param key: 要提取的字段
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:param default: 如果字段不存在，返回的默认值
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:param convert_type: 需要转换的类型（如 int、str、float 等），默认为 None 不转换
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:return: 提取并转换后的值列表
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2025-02-13 02:27:44 +08:00
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"""
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2025-02-27 23:22:19 +08:00
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return [convert_type(item.get(key, default)) if convert_type else item.get(key, default) for item in dataList]
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