#!/usr/bin/env python
#coding: utf-8
from PyQt4.QtCore import *
from PyQt4.QtGui import *
#from time import sleep
import test_another_module as tam

class AppForm(QMainWindow):
    def __init__(self, parent=None):
        super(AppForm, self).__init__(parent)
        self.pbar = QProgressBar(self)
        self.btn = QPushButton(u'OK')
        # щелчок по кнопке - старт
        self.connect(self.btn, SIGNAL('clicked()'), tam.process)#self.start)
        self.v = QSplitter(Qt.Vertical)
        self.v.addWidget(self.pbar)
        self.v.addWidget(self.btn)
        self.setCentralWidget(self.v)

    def start(self):
        size = 100000
        self.pbar.setMinimum(0)                           
        self.pbar.setMaximum(size)
        for i in xrange(size+1):
            self.pbar.setValue(i)
        print 'finished'

if __name__ == "__main__":
    app = QApplication(sys.argv)
    form = AppForm()
    form.show()
    app.exec_()