#from Qt.QtCompat import wrapInstance, getCppPointer
import os
import maya.cmds as cmds
import maya.OpenMayaUI as omui
try:
  from Qt.QtCore import * 
  from Qt.QtGui import * 
  from Qt.QtWidgets import *
  from Qt import __version__
  # from Qt.QtUiTools import QUiLoader
  from Qt.QtCompat import loadUi
  # from pyside2uic import *
  from Qt.QtCompat import wrapInstance 
  
except ImportError:
  from Qt.QtCore import * 
  from Qt.QtGui import * 
  from Qt import __version__
  # from pysideuic import *
  from Qt.QtCompat import wrapInstance 
# from cStringIO import StringIO
# import xml.etree.ElementTree as xml

def get_maya_window():

    ptr = omui.MQtUtil.mainWindow()
    #if ptr is not None:
    return wrapInstance(int(ptr), QMainWindow)

def load_ui_file(ui_path):
    if not os.path.exists(ui_path):
        cmds.warning("UI file not found: {}".format(ui_path))
        return None
    # ui_file = QFile(ui_path)
    # ui_file.open(QFile.ReadOnly)
    # ui = loadUi(ui_file)
    ui = loadUi(ui_path)
    # ui = QUiLoader().load(ui_file)
    # ui_file.close()
    return ui

def load_ui_type(ui_path):
    pass
    # parsed = xml.parse(ui_file)
    # widget_class = parsed.find('widget').get('class')
    # form_class = parsed.find('class').text
    
    # with open(ui_file,'r') as f:
    #     o = StringIO()
    #     frame = {}

    #     compileUi(f, o, indent = 0)
    #     pyc = compile(o.getvalue(), '<string>', 'exec')
    #     exec(pyc, frame)

    
    #     # Fetch the base_class and form class based on their type in the xml from design
    #     form_class = frame['Ui_{0}'.format(form_class)]
    #     base_class = eval('{0}'.format(widget_class))

    # return form_class, base_class