使用Python中的图形对话框询问用户密码的最简单方法?

时间:2013-03-30 23:29:59

标签: python python-2.7 passwords

我正在开发一个备份守护进程,它将在后台静默运行。守护进程依赖于duplicity备份软件,备份时需要加密密钥。我不能通过控制台询问密码,因为很明显,守护进程无法访问密码。

如何轻松创建一个提示,要求用户输入密码,并将其返回给应用程序(通过Python变量)?我正在使用 Python 2.7

5 个答案:

答案 0 :(得分:21)

因为您要求最简单(Python 2.7):

import Tkinter, tkSimpleDialog
tkSimpleDialog.askstring("Password", "Enter password:", show='*')

对于Python 3.3:

import tkinter
tkinter.simpledialog.askstring("Password", "Enter password:", show='*')

对于Python 3.6 +:

import tkinter as tk
import tkinter.simpledialog
tk.Tk().withdraw()
tkinter.simpledialog.askstring("Password", "Enter password:", show='*')

答案 1 :(得分:4)

from Tkinter import *

def getpwd():
    password = ''
    root = Tk()
    pwdbox = Entry(root, show = '*')
    def onpwdentry(evt):
         password = pwdbox.get()
         root.destroy()
    def onokclick():
         password = pwdbox.get()
         root.destroy()
    Label(root, text = 'Password').pack(side = 'top')

    pwdbox.pack(side = 'top')
    pwdbox.bind('<Return>', onpwdentry)
    Button(root, command=onokclick, text = 'OK').pack(side = 'top')

    root.mainloop()
    return password

答案 2 :(得分:3)

因为不是每个人都想使用TK,所以这里是使用PyQt的脚本:

from PyQt5.QtWidgets import QApplication, QInputDialog, QLineEdit
import sys
app = QApplication(sys.argv)
qd = QInputDialog()
qd.setTextEchoMode(QLineEdit.Password)
qd.show()
app.exec()

而且,因为你通常不会只是为了问一个用户输入密码:

#!/bin/env python3
#passwordPrompt.py

from PyQt5.QtWidgets import QApplication, QInputDialog
import sys, time

def succFunc():
  sys.stdout.write(qd.textValue())
  sys.stdout.flush()
  exit(0)

def failFunc():
  exit(1)

app = QApplication(sys.argv)
qd = QInputDialog()
#QLineEdit.Password
qd.setTextEchoMode(2)
qd.rejected.connect(failFunc)
qd.accepted.connect(succFunc)
qd.show()
app.exec()

相应的bash函数:

#!/bin/bash

passwordPrompt.py | tee

答案 3 :(得分:2)

解决了@ pycoder112358帖子的范围问题:

from tkinter import *

PASSWORD = ''

def get_passwd():
    global PASSWORD
    root = Tk()
    pwdbox = Entry(root, show = '*')

    def onpwdentry(evt):
        global PASSWORD 
        PASSWORD = pwdbox.get()
        root.destroy()
    def onokclick():     
        global PASSWORD
        PASSWORD = pwdbox.get()
        root.destroy()

    Label(root, text = 'Password').pack(side = 'top')

    pwdbox.pack(side = 'top')
    pwdbox.bind('<Return>', onpwdentry)
    Button(root, command=onokclick, text = 'OK').pack(side = 'top')

    root.mainloop()
    return PASSWORD

答案 4 :(得分:2)

通过一些最小的内务管理来扩展迭戈的答案(没有这个,我试图使用他精美的简短例子让我崩溃):

import Tkinter, tkSimpleDialog 
root = Tkinter.Tk() # dialog needs a root window, or will create an "ugly" one for you
root.withdraw() # hide the root window
password = tkSimpleDialog.askstring("Password", "Enter password:", show='*', parent=root)
root.destroy() # clean up after yourself!

这对于一个只是终端/控制台应用程序的程序来说效果很好。