template.py

"""
import template
try:
    t.close()
    t.deleteLater()
except:
    pass
t = template.Template()
t.show()
"""

import maya.cmds as mc
import maya.OpenMaya as om
import maya.OpenMayaUI as omui

try:
    from PySide import QtGui, QtCore
    import PySide.QtGui as QtWidgets
    import shiboken
except ImportError:
    from PySide2 import QtGui, QtCore, QtWidgets
    import shiboken2 as shiboken



class Template(QtWidgets.QDialog):
    @classmethod
    def maya_main_window(cls):
        main_window_ptr = omui.MQtUtil.mainWindow()
        return shiboken.wrapInstance(long(main_window_ptr), QtWidgets.QWidget)

    def __init__(self):
        super(Template, self).__init__(self.maya_main_window())


        self.setWindowTitle("Template")
        self.setWindowFlags(self.windowFlags() ^ QtCore.Qt.WindowContextHelpButtonHint)

        self.create_widgets()
        self.create_layouts()
        self.create_connections()

    def create_widgets(self):
        return

    def create_layouts(self):
        return

    def create_connections(self):
        return

if __name__ == "__main__":
    try:
        t.close()
        t.deleteLater()
    except:
        pass
    t = Template()
    t.show()