def finder(self):
completion_values = []
search_term = self.search_field.text()
try:
contacts = PhoneNumber.filter(number__icontains=int(search_term))
except ValueError:
contacts = Contact.filter(name__icontains=search_term)
for contact in contacts:
completion_values.append(contact.__unicode__())
completer = QtGui.QCompleter(completion_values, parent=self)
completer.setCaseSensitivity(QtCore.Qt.CaseInsensitive)
completer.setCompletionMode(QtGui.QCompleter.UnfilteredPopupCompletion)
self.search_field.setCompleter(completer)
