How to reconstruct a .ui file from pyuic .py file

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It is possible to do this using QFormBuilder:

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')

(NB: showing the window seems to be quite important in order to get the best results).

Don’t expect to get a perfect reconstruction of your original ui file, though. You will almost certainly need to do quite a lot of tidying up to get something acceptable – but if your ui is quite complex, it should still be worth it.

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