#! /usr/bin/env python

from PyQt4 import QtCore, QtGui, uic  

class MainForm(QtGui.QMainWindow):
 
    def __init__(self):
        super(MainForm, self).__init__() 
        uic.loadUi("mainform.ui", self)

        self.menubar.menuApplication.connect(ActionExit, QtCore.SIGNAL('clicked()'),  QtCore.SLOT('close()'))

#!/usr/bin/env python
# coding=utf-8
import sys
from PyQt4 import QtCore, QtGui, uic
formClass, base_class = uic.loadUiType('mainform.ui')

class FormMain(QtGui.QMainWindow, formClass):
    def __init__(self, parent=None):
        QtGui.QMainWindow.__init__(self, parent)
        self.setupUi(self)
        self.connect(self.actionPrint_me,  QtCore.SIGNAL('triggered()'), self.hello)
   
    def hello(self):
	   print("hello print_me")
 
def main():

    app = QtGui.QApplication(sys.argv)
    window=FormMain()
    window.show()
    sys.exit(app.exec_())
    
if __name__ == "__main__":
    main()