[Maya] PysideでMayaにDockingするWindowの作り方

# -*- coding: utf-8 -*-
import os
from functools import partial
import time
import imp
import random

"""
PySide2モジュールを探し、ある場合はそちらをインポートします。
"""
try:
    imp.find_module('PySide2')
    from PySide2.QtWidgets import *
    from PySide2.QtGui import *
    from PySide2.QtCore import *

except ImportError:
    from PySide.QtGui import *
    from PySide.QtCore import *


LOGO_IMAGE = r"画像のパスをここに入れてください。"


def get_maya_pointer():
    """
    Mayaのメインウィンドウを取得する関数
    """
    try:
        import maya.cmds as cmds
        from maya import OpenMayaUI

    except ImportError:
        return None

    """
    実は2017ではshibokenも2になっているので、あればshiboken2をインポートします。
    """
    try:
        imp.find_module("shiboken2")
        import shiboken2
        return shiboken2.wrapInstance(long(OpenMayaUI.MQtUtil.mainWindow()), QWidget)

    except ImportError:
        import shiboken
        return shiboken.wrapInstance(long(OpenMayaUI.MQtUtil.mainWindow()), QWidget)

from maya.app.general.mayaMixin import MayaQWidgetBaseMixin, MayaQWidgetDockableMixin

#class Example_connectAttr(MayaQWidgetDockableMixin, QScrollArea):
class Example_connectAttr(MayaQWidgetDockableMixin, QMainWindow):
    def __init__(self, node=None, *args, **kwargs):
        super(Example_connectAttr, self).__init__(*args, **kwargs)
        # Member Variables
        self.nodeName = node               # Node name for the UI
        self.attrUI = None                 # Container widget for the attr UI widgets
        self.attrWidgets = {}              # Dict key=attrName, value=widget
        
        randomInt=random.randint(0,9999)
        self.setObjectName("MyDock_Window"+str(randomInt))
        self.setWindowTitle("MyDock Window")
        self._initUI()
        
        
    def _initUI(self):
        wrapper = QWidget()
        self.setCentralWidget(wrapper)

        mainLayout = QVBoxLayout()
        wrapper.setLayout(mainLayout)
        

def start():
    maya_win = get_maya_pointer()
    ui = Example_connectAttr(node = maya_win)
    ui.show(dockable=True, floating=True)
    return ui

print("__name__ = "+__name__)
if __name__ == '__main__' or __name__ == "NppMaya" or __name__ == "main":

    app = QApplication.instance()
    if app is None:
        app = QApplication([])
    ui = start()
    app.exec_()