Quamash workin with PySide2

quamash_init_pyside2.py

# © 2014 Mark Harviston <mark.harviston@gmail.com>
# © 2014 Arve Knudsen <arve.knudsen@gmail.com>
# BSD License
"""Implementation of the PEP 3156 Event-Loop with Qt."""

__author__ = 'Mark Harviston <mark.harviston@gmail.com>, Arve Knudsen <arve.knudsen@gmail.com>'
__version__ = '0.6.1'
__url__ = 'https://github.com/harvimt/quamash'
__license__ = 'BSD'
__all__ = ['QEventLoop', 'QThreadExecutor']

import sys
import os
import asyncio
import time
import itertools
from queue import Queue
from concurrent.futures import Future
import logging
import importlib
logger = logging.getLogger('quamash')

try:
	QtModuleName = os.environ['QUAMASH_QTIMPL']
except KeyError:
	QtModule = None
else:
	logger.info('Forcing use of {} as Qt Implementation'.format(QtModuleName))
	QtModule = importlib.import_module(QtModuleName)

if not QtModule:
	for QtModuleName in ('PyQt5', 'PyQt4', 'PySide', 'PySide2'):
		try:
			QtModule = importlib.import_module(QtModuleName)
		except ImportError:
			continue
		else:
			break
	else:
		raise ImportError('No Qt implementations found')

logger.info('Using Qt Implementation: {}'.format(QtModuleName))

QtCore = importlib.import_module(QtModuleName + '.QtCore', package=QtModuleName)
QtGui = importlib.import_module(QtModuleName + '.QtGui', package=QtModuleName)
if QtModuleName == 'PyQt5':
	from PyQt5 import QtWidgets
	QApplication = QtWidgets.QApplication
else:
    from PySide2 import QtWidgets
    QApplication = QtWidgets.QApplication