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jumpserver/apps/common/utils/random.py

49 lines
1.6 KiB

# -*- coding: utf-8 -*-
#
import random
import socket
import string
import struct
string_punctuation = '!#$%&()*+,-.:;<=>?@[]^_~'
def random_datetime(date_start, date_end):
random_delta = (date_end - date_start) * random.random()
return date_start + random_delta
def random_ip():
return socket.inet_ntoa(struct.pack('>I', random.randint(1, 0xffffffff)))
def random_string(length: int, lower=True, upper=True, digit=True, special_char=False, symbols=string_punctuation):
random.seed()
args_names = ['lower', 'upper', 'digit']
args_values = [lower, upper, digit]
args_string = [string.ascii_lowercase, string.ascii_uppercase, string.digits]
args_string_map = dict(zip(args_names, args_string))
kwargs = dict(zip(args_names, args_values))
kwargs_keys = list(kwargs.keys())
kwargs_values = list(kwargs.values())
args_true_count = len([i for i in kwargs_values if i])
assert any(kwargs_values), f'Parameters {kwargs_keys} must have at least one `True`'
assert length >= args_true_count, f'Expected length >= {args_true_count}, bug got {length}'
chars = ''.join([args_string_map[k] for k, v in kwargs.items() if v])
password = list(random.choice(chars) for i in range(length))
if special_char:
special_num = length // 16 + 1
special_index = []
for i in range(special_num):
index = random.randint(1, length - 1)
if index not in special_index:
special_index.append(index)
for i in special_index:
password[i] = random.choice(symbols)
password = ''.join(password)
return password