Python随机密码生成脚本

Python随机密码生成脚本，去重复字符，可自定义长度和字符集，AI代写的。

import random
import string
import tkinter as tk
 
 
def generate_random_string():
    try:
        length = int(entry_length.get())
        if length <= 0:
            label_result.config(text="错误：长度必须是正整数")
            return ""
    except ValueError:
        label_result.config(text="错误：请输入一个整数")
        return ""
 
    allowed_chars = ""
 
    if var_upper.get():
        allowed_chars += string.ascii_uppercase
    if var_lower.get():
        allowed_chars += string.ascii_lowercase
    if var_digit.get():
        allowed_chars += string.digits
    if var_punct.get():
        allowed_chars += string.punctuation
 
    if not allowed_chars:
        label_result.config(text="错误：请至少选择一种字符集")
        return ""
 
    random_string = "".join(random.choice(allowed_chars)
                            for _ in range(length))
 
    def has_duplicates(s):
        return len(s) != len(set(s))
 
    def replace_duplicates(s):
        new_s = ""
        for ch in s:
            if s.count(ch) > 1:
                new_ch = random.choice(allowed_chars)
                new_s += new_ch
            else:
                new_s += ch
        return new_s
 
    def remove_duplicates(s):
        while has_duplicates(s):
            s = replace_duplicates(s)
        return s
 
    rs = remove_duplicates(random_string)
 
    return rs
 
 
def show_and_copy_random_string():
    random_string = generate_random_string()
 
    if random_string:
        label_result.config(text=random_string)
        window.clipboard_clear()
        window.clipboard_append(random_string)
 
 
window = tk.Tk()
window.title("随机字符串生成器")
window.geometry("400x300")
 
label_welcome = tk.Label(window, text="欢迎使用随机字符串生成器！")
label_welcome.pack()
 
label_length = tk.Label(window, text="请输入你想要生成的字符串长度（正整数）：")
label_length.pack()
 
entry_length = tk.Entry(window)
entry_length.pack()
 
var_upper = tk.BooleanVar()
var_lower = tk.BooleanVar()
var_digit = tk.BooleanVar()
var_punct = tk.BooleanVar()
 
check_upper = tk.Checkbutton(window, text="大写字母", variable=var_upper)
check_upper.pack()
check_lower = tk.Checkbutton(window, text="小写字母", variable=var_lower)
check_lower.pack()
check_digit = tk.Checkbutton(window, text="数字", variable=var_digit)
check_digit.pack()
check_punct = tk.Checkbutton(window, text="特殊字符", variable=var_punct)
check_punct.pack()
 
button_generate = tk.Button(window, text="一键生成并复制",
                            command=show_and_copy_random_string)
button_generate.pack()
 
label_result = tk.Label(window, text="")
label_result.pack()
 
window.mainloop()