Python-сообщество

import sys
from PyQt4 import QtGui, QtCore
from MainForm import Ui_MainWindow

class Main(QtGui.QMainWindow):
  def __init__(self):
    QtGui.QMainWindow.__init__(self)
    self.ui=Ui_MainWindow()
    self.ui.setupUi(self)
    self.statusBar().showMessage("Ready")
    self.connect(self.ui.actionExit, QtCore.SIGNAL('triggered()'), QtCore.SLOT('close()'))
    self.connect(self.ui.actionDBOpen, QtCore.SIGNAL('triggered()'), QtCore.SLOT('self.openDB()'))

  def openDB(self):
    self.statusBar().showMessage("DB open")

def main():
  app = QtGui.QApplication(sys.argv)
  window=Main()
  window.show()
  sys.exit(app.exec_())

if __name__ == '__main__':
  main()

Object::connect: No such slot Main::self.openDB()
Object::connect:  (sender name:   'actionDBOpen')
Object::connect:  (receiver name: 'MainWindow')

self.ui.actionDBOpen.triggered.connect(self.openDB)