class gui_file(): # add also GUI_FORM
    def __init__(self, filename, **args):
        self.debug = 1
        if self.debug == 1:
            print ('Received:', args)
            for f in args['buttons']:
                print ('=> %s' % f.__name__)
        # first we get all inputs, buttons
        from lxml import etree
        from StringIO import StringIO
        # Read all .ui file and get its widgets
        f = open(filename)
        xml = f.read()
        f.close()
        self.funcdict = {}
        # Parse all buttons from this file
        tree = etree.parse(StringIO(xml))
        context = etree.iterparse(StringIO(xml))
        for action, elem in context:
            if elem.tag == 'widget':
                if self.debug == 1: print ("%s -- (%s)" % (elem.attrib['name'], elem.attrib['class']))
                for f in args['buttons']:
                    if f.__name__ == elem.attrib['name']:
                        if self.debug == 1: print 'func for %s found' % f.__name__
                        name = elem.attrib['name']
                        self.funcdict [name] = f.__name__
        #print self.funcdict
        # Now load this UI
        from PyQt4 import QtGui, QtCore, uic
        from sys import argv as myarg
        self.app = QtGui.QApplication(myarg)
        self.window = uic.loadUi(filename)
        # Whistles, anyone?
        try:
            if args['style']:
                #print args['style']
                self.app.setStyle(QtGui.QStyleFactory.create(args['style']))
        except:
            pass
        # Now assign them to each other
        for func in self.funcdict:
            for button in args['buttons']: # <-- Да, это криво!
                if button.__name__ == func:
                    QtCore.QObject.connect(getattr(self.window, func), QtCore.SIGNAL("clicked()"), button)
                    if self.debug == 1: print ('assigned', getattr(self.window, func), 'to', button)
    def show(self):
        self.window.show()

# -*- coding: utf-8 -*-
from lego import gui_file
from sys import exit
def okbutton():
    print ('OK pressed!')
def nobutton():
    print ('NO pressed!')
def gobutton():
    print ('GO button pressed!')
if __name__ == "__main__":
    gui = gui_file('main.ui', buttons=[okbutton, nobutton, gobutton])
    gui.show()
    exit(gui.app.exec_())

             for button in args['buttons']: # <-- Да, это криво!

 if button.__name__ == args['buttons'][name]

 # Now load this UI
from PyQt4 import QtGui, QtCore, uic

 QtCore.QObject.connect(getattr(self.window, func), QtCore.SIGNAL("clicked()"), button)

        jobs = self.window.text_jobs.toPlainText()
        login = self.window.text_login.text()

gui = gui_file('main.ui', buttons=[okbutton, nobutton, gobutton], inputs=[text_jobs, text_login])
#...
jobs = gui.text_jobs
login = gui.text_login