我正在编写一个需要执行管理任务的 pyqt 应用程序。我宁愿以提升权限开始我的脚本。我知道这个问题在 SO 或其他论坛中被问过很多次。但是人们建议的解决方案是看看这个 SO question Request UAC elevation from within a Python script?

但是，我无法执行链接中给出的示例代码。我已将此代码放在主文件的顶部并尝试执行它。

import os
import sys
import win32com.shell.shell as shell
ASADMIN = 'asadmin'

if sys.argv[-1] != ASADMIN:
    script = os.path.abspath(sys.argv[0])
    params = ' '.join([script] + sys.argv[1:] + [ASADMIN])
    shell.ShellExecuteEx(lpVerb='runas', lpFile=sys.executable, lpParameters=params)
    sys.exit(0)
print "I am root now."

它实际上要求提升权限，但打印行永远不会被执行。有人可以帮助我成功运行上述代码。提前致谢。

最佳答案

谢谢大家的回复。我的脚本与 Preston Landers 早在 2010 年编写的模块/脚本一起工作。在浏览互联网两天后，我可以找到该脚本，因为它被深深地隐藏在 pywin32 邮件列表中。使用此脚本，可以更轻松地检查用户是否为管理员，如果不是，则请求 UAC/管理员权限。它确实在单独的窗口中提供输出，以找出代码在做什么。有关如何使用脚本中还包含的代码的示例。为了所有在 Windows 上寻找 UAC 的人的利益，请查看此代码。我希望它可以帮助寻找相同解决方案的人。它可以在你的主脚本中使用这样的东西:-

import admin
if not admin.isUserAdmin():
        admin.runAsAdmin()

实际代码是:-

#!/usr/bin/env python
# -*- coding: utf-8; mode: python; py-indent-offset: 4; indent-tabs-mode: nil -*-
# vim: fileencoding=utf-8 tabstop=4 expandtab shiftwidth=4

# (C) COPYRIGHT © Preston Landers 2010
# Released under the same license as Python 2.6.5


import sys, os, traceback, types

def isUserAdmin():

    if os.name == 'nt':
        import ctypes
        # WARNING: requires Windows XP SP2 or higher!
        try:
            return ctypes.windll.shell32.IsUserAnAdmin()
        except:
            traceback.print_exc()
            print "Admin check failed, assuming not an admin."
            return False
    elif os.name == 'posix':
        # Check for root on Posix
        return os.getuid() == 0
    else:
        raise RuntimeError, "Unsupported operating system for this module: %s" % (os.name,)

def runAsAdmin(cmdLine=None, wait=True):

    if os.name != 'nt':
        raise RuntimeError, "This function is only implemented on Windows."

    import win32api, win32con, win32event, win32process
    from win32com.shell.shell import ShellExecuteEx
    from win32com.shell import shellcon

    python_exe = sys.executable

    if cmdLine is None:
        cmdLine = [python_exe] + sys.argv
    elif type(cmdLine) not in (types.TupleType,types.ListType):
        raise ValueError, "cmdLine is not a sequence."
    cmd = '"%s"' % (cmdLine[0],)
    # XXX TODO: isn't there a function or something we can call to massage command line params?
    params = " ".join(['"%s"' % (x,) for x in cmdLine[1:]])
    cmdDir = ''
    showCmd = win32con.SW_SHOWNORMAL
    #showCmd = win32con.SW_HIDE
    lpVerb = 'runas'  # causes UAC elevation prompt.

    # print "Running", cmd, params

    # ShellExecute() doesn't seem to allow us to fetch the PID or handle
    # of the process, so we can't get anything useful from it. Therefore
    # the more complex ShellExecuteEx() must be used.

    # procHandle = win32api.ShellExecute(0, lpVerb, cmd, params, cmdDir, showCmd)

    procInfo = ShellExecuteEx(nShow=showCmd,
                              fMask=shellcon.SEE_MASK_NOCLOSEPROCESS,
                              lpVerb=lpVerb,
                              lpFile=cmd,
                              lpParameters=params)

    if wait:
        procHandle = procInfo['hProcess']    
        obj = win32event.WaitForSingleObject(procHandle, win32event.INFINITE)
        rc = win32process.GetExitCodeProcess(procHandle)
        #print "Process handle %s returned code %s" % (procHandle, rc)
    else:
        rc = None

    return rc

def test():
    rc = 0
    if not isUserAdmin():
        print "You're not an admin.", os.getpid(), "params: ", sys.argv
        #rc = runAsAdmin(["c:\\Windows\\notepad.exe"])
        rc = runAsAdmin()
    else:
        print "You are an admin!", os.getpid(), "params: ", sys.argv
        rc = 0
    x = raw_input('Press Enter to exit.')
    return rc


if __name__ == "__main__":
    sys.exit(test())

关于python - 如何在 Windows 上以提升的权限运行脚本，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/19672352/