runas

runas_example.py

import sys
from ctypes import sizeof

from win32more import WinError
from win32more.Windows.Win32.Foundation import CloseHandle
from win32more.Windows.Win32.System.Threading import INFINITE, WaitForSingleObject
from win32more.Windows.Win32.UI.Shell import (
    SEE_MASK_NOCLOSEPROCESS,
    SHELLEXECUTEINFOW,
    ShellExecuteExW,
)
from win32more.Windows.Win32.UI.WindowsAndMessaging import SW_SHOW


def runas(exe, params):
    sei = SHELLEXECUTEINFOW()
    sei.cbSize = sizeof(SHELLEXECUTEINFOW)
    sei.fMask = SEE_MASK_NOCLOSEPROCESS
    sei.lpVerb = "runas"
    sei.lpFile = exe
    sei.lpParameters = params
    sei.nShow = SW_SHOW

    # UAC dialog will be shown
    r = ShellExecuteExW(sei)
    if not r:
        raise WinError()

    WaitForSingleObject(sei.hProcess, INFINITE)

    CloseHandle(sei.hProcess)


def main():
    runas(sys.executable, "")


if __name__ == "__main__":
    main()