#!/usr/bin/env python2

import sys,time
from PyQt4 import QtCore, QtGui

class MyApp(QtGui.QWidget):
    def __init__(self, parent=None):
        QtGui.QWidget.__init__(self, parent)

        self.setGeometry(300, 300, 280, 600)
        self.setWindowTitle('threads')

        self.layout = QtGui.QVBoxLayout(self)

        self.testButton = QtGui.QPushButton("test")
        self.connect(self.testButton, QtCore.SIGNAL("released()"), self.test)
        self.listwidget = QtGui.QListWidget(self)

        self.layout.addWidget(self.testButton)
        self.layout.addWidget(self.listwidget)

    def add(self, text):
        """ Add item to list widget """
        print "Add: " + text
        self.listwidget.addItem(text)
        self.listwidget.sortItems()

    def addBatch(self, text="test", iters=6, delay=0.3):
        """ Add several items to list widget """
        for i in range(iters):
            time.sleep(delay)  # artificial time delay
            self.add(text + " " + str(i))

    def thread2Func(self) :
        print 'in thread2Func'

    def test(self):
        self.listwidget.clear()

        self.genericThread = GenericThread(self.addBatch,"from generic thread ",delay=0.3)
        self.genericThread.start()

        #self.thread2=GenericThread(self.thread2Func)

class GenericThread(QtCore.QThread):
    def __init__(self, function, *args, **kwargs):
        QtCore.QThread.__init__(self)
        self.function = function
        self.args = args
        self.kwargs = kwargs

    def __del__(self):
        self.wait()

    def run(self,x):
        self.function(*self.args,**self.kwargs)
        return

# run
app = QtGui.QApplication(sys.argv)
test = MyApp()
test.show()
app.exec_()