2022-04-05 05:22:26 +00:00
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# -*- coding: utf-8 -*-
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"""
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@author: 猿小天
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@contact: QQ:1638245306
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@Created on: 2021/8/21 021 9:48
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@Remark:
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"""
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import hashlib
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import random
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2023-04-21 08:39:55 +00:00
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from decimal import Decimal
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2022-04-05 05:22:26 +00:00
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CHAR_SET = ("2", "3", "4", "5",
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"6", "7", "8", "9", "A", "B", "C", "D", "E", "F", "G", "H",
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"J", "K", "L", "M", "N", "P", "Q", "R", "S", "T", "U", "V",
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"W", "X", "Y", "Z")
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def random_str(number=16):
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"""
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返回特定长度的随机字符串(非进制)
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:return:
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"""
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result = ""
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for i in range(0, number):
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inx = random.randint(0, len(CHAR_SET) - 1)
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result += CHAR_SET[inx]
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return result
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def has_md5(str, salt='123456'):
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"""
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md5 加密
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:param str:
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:param salt:
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:return:
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"""
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# satl是盐值，默认是123456
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str = str + salt
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md = hashlib.md5() # 构造一个md5对象
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md.update(str.encode())
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res = md.hexdigest()
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return res
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2023-04-21 08:39:55 +00:00
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def format_bytes(size, decimals=2):
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"""
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格式化字节大小
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:param size:
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:param decimals:
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:return:
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"""
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if isinstance(size, (str)) and size.isnumeric():
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size = int(size)
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elif not isinstance(size, (int, float, Decimal)):
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return size
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if size == 0:
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return "0 Bytes"
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units = ["Bytes", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB"]
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i = 0
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while size >= 1024:
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size /= 1024
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i += 1
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return f"{round(size, decimals)} {units[i]}"
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