Files
gns3-gui/gns3/utils/wait_for_runas_worker.py
2025-12-14 18:19:47 +08:00

92 lines
2.8 KiB
Python

# -*- coding: utf-8 -*-
#
# Copyright (C) 2015 GNS3 Technologies Inc.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
Thread to run a command with administrator rights on Windows and wait for its completion.
"""
from ..utils import shlex_quote
from ..qt import QtCore
import logging
log = logging.getLogger(__name__)
class WaitForRunAsWorker(QtCore.QObject):
"""
Thread to wait for a command to be executed.
:param command: command to execute (list)
"""
# signals to update the progress dialog.
error = QtCore.Signal(str, bool)
finished = QtCore.Signal()
updated = QtCore.Signal(int)
def __init__(self, command, timeout=300):
super().__init__()
self._is_running = False
self._command = command
self._timeout = timeout
def run(self):
"""
Worker starting point.
"""
self._is_running = True
import pywintypes
import win32con
import win32event
import win32process
from win32com.shell.shell import ShellExecuteEx
from win32com.shell import shellcon
program = '"%s"' % self._command[0]
params = " ".join(['"%s"' % (x,) for x in self._command[1:]])
try:
process = ShellExecuteEx(nShow=win32con.SW_SHOWNORMAL,
fMask=shellcon.SEE_MASK_NOCLOSEPROCESS,
lpVerb="runas",
lpFile=program,
lpParameters=params)
except pywintypes.error as e:
command_string = " ".join(shlex_quote(s) for s in self._command)
self.error.emit('Could not execute command "{}": {}'.format(command_string, e), True)
return
handle = process['hProcess']
win32event.WaitForSingleObject(handle, self._timeout * 1000)
return_code = win32process.GetExitCodeProcess(handle)
if return_code != 0:
self.error.emit("Return code is {}".format(return_code), True)
else:
self.finished.emit()
def cancel(self):
"""
Cancel this worker.
"""
if not self:
return
self._is_running = False