HYTOS

        spec_breaks = [item for item in self.graphicsView.scene().items() if type(item) is QEngineeringSpecBreakItem]

        symbols = [item for item in self.graphicsView.scene().items() if issubclass(type(item), SymbolSvgItem) and item not in end_breaks and item not in spec_breaks]

            # connect spec break

            usedItemPairs = []

            for spec_break in spec_breaks:

                up = [attr.AssocItem for attr in spec_break if attr.Attribute == 'UpStream']

                down = [attr.AssocItem for attr in spec_break if attr.Attribute == 'DownStream']

                if spec_break.prop('Freeze') or up or down:

                    usedItemPairs.append([up, down])

            for spec_break in spec_breaks:

                up = [attr.AssocItem for attr in spec_break if attr.Attribute == 'UpStream']

                down = [attr.AssocItem for attr in spec_break if attr.Attribute == 'DownStream']

                if spec_break.prop('Freeze') or up or down:

                    continue

                originPoint = Point(spec_break.origin[0], spec_break.origin[1])

                minD = sys.maxsize

                upItem = None

                downItem = None

                for symbol in symbols:

                    for conn in symbol.connectors:

                        dist = originPoint.distance(Point(conn.sceneConnectPoint[0], conn.sceneConnectPoint[1]))

                        if not conn.connectedItem or not issubclass(type(conn.connectedItem), QEngineeringAbstractItem) or \

                            [pair for pair in usedItemPairs if symbol in pair and conn.connectedItem in pair] or dist > 2.5 * toler or dist > minD:

                            continue

                        minD = dist

                        upItem = symbol

                        downItem = conn.connectedItem

                for line in lines:

                    for conn in line.connectors:

                        dist = originPoint.distance(Point(conn.sceneConnectPoint[0], conn.sceneConnectPoint[1]))

                        if not conn.connectedItem or not issubclass(type(conn.connectedItem), QEngineeringAbstractItem) or \

                            conn._connected_at != QEngineeringAbstractItem.CONNECTED_AT_BODY  or \

                            [pair for pair in usedItemPairs if line in pair and conn.connectedItem in pair] or dist > 2.5 * toler or dist > minD:

                            continue

                        minD = dist

                        upItem = line

                        downItem = conn.connectedItem

                if upItem and downItem:

                    attrs = spec_break.getAttributes()

                    for key in attrs.keys():

                        if key.Attribute == 'UpStream':

                            attrs[key] = str(upItem)

                            spec_break.add_assoc_item(upItem, key.AttrAt, force=True)

                            key.AssocItem = upItem

                        elif key.Attribute == 'DownStream':

                            attrs[key] = str(downItem)

                            spec_break.add_assoc_item(downItem, key.AttrAt, force=True)

                            key.AssocItem = downItem

                    usedItemPairs.append([upItem, downItem])

            # up to here