How to use the reprounzip-qt.reprounzip_qt.gui.run.DockerOptions function in reprounzip-qt

def options(self):
        options = super(DockerOptions, self).options()

        if self.tunneled_x11.isChecked():
            options['args'].append('--tunneled-x11')
            record_usage(docker_tunneled_x11=True)

        if self.detach.isChecked():
            options['args'].append('--detach')
            record_usage(docker_detach=True)

        nb_raw = 0
        for opt in self.raw_options.text().split():
            opt = opt.strip()
            if opt:
                nb_raw += 1
                options['args'].append('--docker-option=%s' % opt)
        if nb_raw:

selected = self.files_widget.selectedIndexes()[0].row()
        file_status = self.files_status[selected]
        record_usage(file_reset=True)
        handle_error(self, reprounzip.upload(
            self.directory, file_status.name, None,
            unpacker=self.unpacker, root=self.root))
        self._file_changed()


class RunTab(QtWidgets.QWidget):
    """The main window, that allows you to run/change an unpacked experiment.
    """
    UNPACKERS = [
        ('directory', DirectoryOptions),
        ('chroot', ChrootOptions),
        ('docker', DockerOptions),
        ('vagrant', VagrantOptions),
    ]

    directory = None
    unpacker = None

    def __init__(self, unpacked_directory='', **kwargs):
        super(RunTab, self).__init__(**kwargs)

        layout = QtWidgets.QGridLayout()
        layout.addWidget(QtWidgets.QLabel("Experiment directory:"), 0, 0)
        self.directory_widget = QtWidgets.QLineEdit(unpacked_directory)
        self.directory_widget.editingFinished.connect(self._directory_changed)
        layout.addWidget(self.directory_widget, 0, 1)
        browse = QtWidgets.QPushButton("Browse")
        browse.clicked.connect(self._browse)