HYTOS

                worker.display_message.emit(message)

        """ try to connect label to valve """

        valves = [symbol for symbol in symbols if

                  symbol.iType == 34 or symbol.iType == 17 or symbol.iType == 22]  # Specialty Components, In-Line, Relief Devices

        for label in labels:

            label.connectAttribute(valves, clear=False)

        '''

        labels = [symbol for symbol in symbols if symbol.iType == 29]  # Labels - Piping Components => Instrument

        valves = [symbol for symbol in symbols if symbol.iType == 25]  # System Functions

        for label in labels:

        """ return symbol type of associations """

        from SymbolSvgItem import SymbolSvgItem

        from EngineeringVendorItem import QEngineeringVendorItem

        res = []

        for symbol in [x for x in self.associations() if

            consumed = False

            for key in list(self.attrs.keys()):

                if key.AssocItem and key.AssocItem is symbol:

        from QEngineeringSizeTextItem import QEngineeringSizeTextItem

        from EngineeringInstrumentItem import QEngineeringInstrumentItem

        from EngineeringValveOperCodeTextItem import QEngineeringValveOperCodeTextItem

        try:

            if clear:

                    if rect.contains(attr.center()):

                        if self.add_assoc_item(attr):

                            attr.owner = self  # set owner of text

            if selected is not None:

        except Exception as ex:

            from App import App