gistfile1.txt

import maya.OpenMayaUI
from PySide import QtGui
import shiboken
import maya.cmds as cmds
panel = cmds.getPanel(scriptType="scriptEditorPanel")[0]
widget = maya.OpenMayaUI.MQtUtil.findLayout(panel)
scriptEditor = shiboken.wrapInstance(long(widget), QtGui.QWidget)

mainWindow = shiboken.wrapInstance(long(maya.OpenMayaUI.MQtUtil.mainWindow()), QtGui.QWidget)
win = QtGui.QDockWidget('test', parent=mainWindow)
win.setWidget(scriptEditor)
win.setFloating(True)
win.show()