from PyQt4 import QtCore, QtGui, QtDesigner from myui import Ui_Dialog def dump_ui(widget, path): builder = QtDesigner.QFormBuilder() stream = QtCore.QFile(path) stream.open(QtCore.QIODevice.WriteOnly) builder.save(stream, widget) stream.close() app = QtGui.QApplication(['']) dialog = QtGui.QDialog() Ui_Dialog().setupUi(dialog) dialog.show() dump_ui(dialog, 'myui.ui')