#!/usr/bin/env python
# -*- coding: utf-8 -*-
from PyQt4 import QtCore, QtGui, uic
# Класс, отвечающий за GUI
class GeneralWindow(QtGui.QWidget):
	def __init__(self, parent=None):
		QtGui.QWidget.__init__(self, parent)
		Form, Base = uic.loadUiType("test_form.ui")
		self.ui = Form()
		self.ui.setupUi(self)
		self.ui.button.clicked.connect(self.work)
		
		self.potok = Potok()
		QtCore.QObject.connect(self.potok, QtCore.SIGNAL("PotokValue(PyQt_PyObject)"), self.labels_output)
	def work(self):
		self.potok.start()
	# Функция, отвечающая за вывод в GUI
	def labels_output(self, text):
		print text  # Выведет текст, заданный во вводе
		self.ui.label.setText(str(text))
class Potok(QtCore.QThread):
	
	def __init__(self):
		QtCore.QThread.__init__(self)
	
	def run(self):
		for value in xrange(8):
			self.emit(QtCore.SIGNAL("PotokValue(PyQt_PyObject)"), value)
if __name__ == "__main__":
	import sys
	app = QtGui.QApplication(sys.argv)
	window = GeneralWindow()
	window.show()
	sys.exit(app.exec_())