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53 lines
1.8 KiB
53 lines
1.8 KiB
# -*- coding: utf-8 -*-
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#
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import struct
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import random
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import socket
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import string
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string_punctuation = '!#$%&()*+,-.:;<=>?@[]^_~'
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def random_datetime(date_start, date_end):
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random_delta = (date_end - date_start) * random.random()
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return date_start + random_delta
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def random_ip():
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return socket.inet_ntoa(struct.pack('>I', random.randint(1, 0xffffffff)))
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def random_string(length: int, lower=True, upper=True, digit=True, special_char=False):
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args_names = ['lower', 'upper', 'digit', 'special_char']
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args_values = [lower, upper, digit, special_char]
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args_string = [string.ascii_lowercase, string.ascii_uppercase, string.digits, string_punctuation]
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args_string_map = dict(zip(args_names, args_string))
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kwargs = dict(zip(args_names, args_values))
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kwargs_keys = list(kwargs.keys())
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kwargs_values = list(kwargs.values())
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args_true_count = len([i for i in kwargs_values if i])
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assert any(kwargs_values), f'Parameters {kwargs_keys} must have at least one `True`'
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assert length >= args_true_count, f'Expected length >= {args_true_count}, bug got {length}'
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can_startswith_special_char = args_true_count == 1 and special_char
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chars = ''.join([args_string_map[k] for k, v in kwargs.items() if v])
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while True:
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password = list(random.choice(chars) for i in range(length))
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for k, v in kwargs.items():
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if v and not (set(password) & set(args_string_map[k])):
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# 没有包含指定的字符, retry
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break
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else:
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if not can_startswith_special_char and password[0] in args_string_map['special_char']:
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# 首位不能为特殊字符, retry
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continue
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else:
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# 满足要求终止 while 循环
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break
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password = ''.join(password)
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return password
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