testFile.py

import maya.OpenMayaUI as omui
import maya.cmds as cmds
import System.QTutils as QTutils
reload(QTutils)
from PySide import QtCore as qc
from PySide import QtGui as qg

from shiboken import wrapInstance

def maya_main_window2():
    main_window_ptr2 = omui.MQtUtil.mainWindow()
    return wrapInstance(long(main_window_ptr2), qg.QWidget)

class ClassName(qg.QDialog):
	def __init__(self, parent=maya_main_window2()):
		super(ClassName, self).__init__(parent)

		self.setWindowTitle("testFileUI")
		self.setWindowFlags(qc.Qt.Tool)

		self.setFixedWidth(300)
		self.setFixedHeight(485)
		self.setAttribute(qc.Qt.WA_DeleteOnClose) #!
		self.create_layout()

	def create_layout(self):
	#main layout
		main_layout = qg.QVBoxLayout()
		main_layout.setContentsMargins(5,5,5,5)
		main_layout.setSpacing(2)
		main_layout.setAlignment(qc.Qt.AlignTop)

		formLayout = QTutils.formLayout()
		main_layout.layout().addWidget(formLayout)


		#QTutils.MessageBox("infoBOX")
		#QTutils.DialogBox(parent=None, text="chuj2")


		self.setLayout(main_layout)