Python os 模块，execl() 实例源码

我们从Python开源项目中，提取了以下50个代码示例，用于说明如何使用os.execl()。

项目：mongoaudit 作者：Exploit-install | 项目源码 | 文件源码

def _clean_upgrade(binary_ok, binary_path, path, temp_path):
    if binary_ok:
        import stat
        # save the permissions from the current binary
        old_stat = os.stat(binary_path)
        # rename the current binary in order to replace it with the latest
        os.rename(binary_path, path + "/old")
        os.rename(temp_path, binary_path)
        # set the same permissions that had the previous binary
        os.chmod(binary_path, old_stat.st_mode | stat.S_IEXEC)
        # delete the old binary
        os.remove(path + "/old")
        print("mongoaudit updated, restarting...")
        os.execl(binary_path, binary_path, *sys.argv)
    else:
        os.remove(temp_path)
        print("couldn't download the latest binary")

项目：PyIDE 作者：raggesilver | 项目源码 | 文件源码

def createProject(self, *args):
        self.getLang()
        dialog = Gtk.FileChooserDialog("Please choose a folder", self, Gtk.FileChooserAction.SELECT_FOLDER, (Gtk.STOCK_CANCEL, Gtk.ResponseType.CANCEL, "Select", Gtk.ResponseType.OK))
        response = dialog.run()


        if response == Gtk.ResponseType.OK:

            projectPath = dialog.get_filename()
            self.projectPath = projectPath
            with open(os.path.join(projectPath, '.pyide-project.json'), 'w+') as f:
                defaultSettings = {
                    'path': projectPath,
                    'name': projectPath.split('/')[len(projectPath.split('/')) - 1],
                    'language': self.language
                }
                json.dump(defaultSettings, f, indent=4, sort_keys=True, separators=(',', ':'))

            self.createMainFile()

            os.execl(sys.executable, *([sys.executable]+sys.argv+[projectPath]))

        dialog.destroy()

项目：Prism 作者：Stumblinbear | 项目源码 | 文件源码

def restart(self):
        """ Safely restart prism """
        import os
        import sys
        import psutil
        import logging

        try:
            p = psutil.Process(os.getpid())
            for handler in p.open_files() + p.connections():
                os.close(handler.fd)
        except Exception as e:
            logging.error(e)

        python = sys.executable
        os.execl(python, python, *sys.argv)

项目：ambassador 作者：datawire | 项目源码 | 文件源码

def fork_and_exec():
  """ This routine forks and execs a new child process and keeps track of its PID. Before we fork,
      set the current restart epoch in an env variable that processes can read if they care. """

  global restart_epoch
  os.environ['RESTART_EPOCH'] = str(restart_epoch)
  print ("forking and execing new child process at epoch {}".format(restart_epoch))
  restart_epoch += 1

  child_pid = os.fork()
  if child_pid == 0:
    # Child process
    os.execl(sys.argv[1], sys.argv[1])
  else:
    # Parent process
    print ("forked new child process with PID={}".format(child_pid))
    pid_list.append(child_pid)

项目：dd-trace-py 作者：DataDog | 项目源码 | 文件源码

def main():
    if len(sys.argv) < 2 or sys.argv[1] == "-h":
        print(USAGE)
        return

    log.debug("sys.argv: %s", sys.argv)

    root_dir = _ddtrace_root()
    log.debug("ddtrace root: %s", root_dir)

    bootstrap_dir = os.path.join(root_dir, 'bootstrap')
    log.debug("ddtrace bootstrap: %s", bootstrap_dir)

    _add_bootstrap_to_pythonpath(bootstrap_dir)
    log.debug("PYTHONPATH: %s", os.environ['PYTHONPATH'])
    log.debug("sys.path: %s", sys.path)

    executable = sys.argv[1]

    # Find the executable path
    executable = spawn.find_executable(executable)
    log.debug("program executable: %s", executable)

    os.execl(executable, executable, *sys.argv[2:])

项目：Arduino_Semi-Tesla 作者：jpdik | 项目源码 | 文件源码

def restart_program():
    """Restarts the current program.
    Note: this function does not return. Any cleanup action (like
    saving data) must be done before calling this function."""
    python = sys.executable
    os.execl(python, python, * sys.argv)

项目：mongoaudit 作者：stampery | 项目源码 | 文件源码

def _clean_upgrade(binary_ok, binary_path, path, temp_path):
    if binary_ok:
        import stat
        # save the permissions from the current binary
        old_stat = os.stat(binary_path)
        # rename the current binary in order to replace it with the latest
        os.rename(binary_path, path + "/old")
        os.rename(temp_path, binary_path)
        # set the same permissions that had the previous binary
        os.chmod(binary_path, old_stat.st_mode | stat.S_IEXEC)
        # delete the old binary
        os.remove(path + "/old")
        print("mongoaudit updated, restarting...")
        os.execl(binary_path, binary_path, *sys.argv)
    else:
        os.remove(temp_path)
        print("couldn't download the latest binary")

项目：pwndemo 作者：zh-explorer | 项目源码 | 文件源码

def dealarm_shell(tube):
    """Given a tube which is a shell, dealarm it.
    """
    tube.clean()

    tube.sendline('which python')
    if tube.recvline().startswith('/'):
        tube.sendline('''exec python -c "import signal, os; signal.alarm(0); os.execl('$SHELL','')"''')
        return tube

    tube.sendline('which perl')
    if tube.recvline().startswith('/'):
        tube.sendline('''exec perl -e "alarm 0; exec '$SHELL'"''')
        return tube

    return None

项目：voltha 作者：opencord | 项目源码 | 文件源码

def fork_and_exec():
  """ This routine forks and execs a new child process and keeps track of its PID. Before we fork,
      set the current restart epoch in an env variable that processes can read if they care. """

  global restart_epoch
  os.environ['RESTART_EPOCH'] = str(restart_epoch)
  print "forking and execing new child process at epoch {}".format(restart_epoch)
  restart_epoch += 1

  child_pid = os.fork()
  if child_pid == 0:
    # Child process
    os.execl(sys.argv[1], sys.argv[1])
  else:
    # Parent process
    print "forked new child process with PID={}".format(child_pid)
    pid_list.append(child_pid)

项目：pyadmin 作者：tso | 项目源码 | 文件源码

def update(event_user, event_channel, event, slack_client: Client, **kwargs):
    '''
    Pulls from git and reloads the process.
    '''
    if slack_client.admin != event_user:
        slack_client.delete_message(event)

    g = git.cmd.Git('.')
    try:
        g.pull()
    except:
        slack_client.send_message(event_channel, f'Could not git pull.')
        return

    # This will not return. Instead, the process will be immediately replaced.
    os.execl(sys.executable, *([sys.executable] + sys.argv))

项目：black_zone 作者：zh-explorer | 项目源码 | 文件源码

def dealarm_shell(tube):
    """Given a tube which is a shell, dealarm it.
    """
    tube.clean()

    tube.sendline('which python')
    if tube.recvline().startswith('/'):
        tube.sendline('''exec python -c "import signal, os; signal.alarm(0); os.execl('$SHELL','')"''')
        return tube

    tube.sendline('which perl')
    if tube.recvline().startswith('/'):
        tube.sendline('''exec perl -e "alarm 0; exec '$SHELL'"''')
        return tube

    return None