def del_record(self):
    # Store highlighted row of grid
    activeModel = self.ui.mainTableView.model()
    curRow = self.ui.mainTableView.selectionModel()
                 .selectedRows()[0].row()
    lastRow = activeModel.rowCount(QModelIndex()) - 1
    print('curRow: %s' % curRow)
    print('lastRow: %s' % lastRow)
    # Delete row
    activeModel.prikey = self.ui.mainTableView.selectionModel()
        .selectedRows()[0].data()
    print('Deleteing now ...')
    activeModel.removeRows(curRow, 1, QModelIndex())
    # Restore grid selection to next logical record
    if curRow == lastRow:
        if activeModel.rowCount(QModelIndex()) > 1:
            print('end row was deleted, still rows remaining ')
            activeModel.refresh()
            self.ui.mainTableView.selectRow(curRow - 1)
        else:
            print('final row was deleted, table empty')
            activeModel.refresh()
    else:
        print('a row was deleted - not an end row')
        x = self.mapper.mappedWidgetAt(1).text()
        print('mapped widget text is - %s:' % x)

        print('refresh model and highlight next logical row')
        activeModel.refresh()
        self.ui.mainTableView.selectRow(curRow)
    x = self.mapper.mappedWidgetAt(1).text()
    print('mapped widget text is: %s:n' % x)

def setup_mappers(self):
    # Manufacturers
    self.manufacturerMapper = QtGui.QDataWidgetMapper()
    self.manufacturerMapper.setModel(self.manufacturerview.model)
    self.manufacturerMapper.addMapping(self.ui.editManufacturer, 1)
    self.manufacturerMapper.toFirst()

def update_Mappers(self, selected, deselected):
    print('update_Mappers - selected: %s' % selected.row())
    print('update_Mappers - deselected: %s' % deselected.row())
    if self.formview == self.manufacturerview:
        self.manufacturerMapper.setCurrentModelIndex(selected)

def removeRows(self, row, count, parent=QModelIndex()):
    SQLAobject = self.query.get(self.prikey)
    self.beginRemoveRows(parent, row, row)
    # self.rowsAboutToBeRemoved.emit(parent, row, row)
    self.session.delete(SQLAobject)
    self.session.flush()
    self.session.commit()
    self.endRemoveRows()
    # self.rowsRemoved.emit(parent, row, row)
    return True

curRow: 1
lastRow: 2
Deleteing now ...
update_Mappers - selected: 0
update_Mappers - deselected: 1
a row was deleted - not an end row
mapped widget text is - aaa:
refresh model and highlight next logical row
SELECT manufacturers."ID" AS "manufacturers_ID", manufacturers.manufacturer AS manufacturers_manufacturer
FROM manufacturers
update_Mappers - selected: 1
update_Mappers - deselected: 0
mapped widget text is: ccc:

curRow: 1
lastRow: 1
Deleteing now ...
update_Mappers - selected: 0
update_Mappers - deselected: 1
end row was deleted, still rows remaining
SELECT manufacturers."ID" AS "manufacturers_ID", manufacturers.manufacturer AS manufacturers_manufacturer
FROM manufacturers
mapped widget text is: aaa:

curRow: 0
lastRow: 0
Deleteing now ...
update_Mappers - selected: -1
update_Mappers - deselected: 0
final row was deleted, table empty
SELECT manufacturers."ID" AS "manufacturers_ID", manufacturers.manufacturer AS manufacturers_manufacturer
FROM manufacturers
Model Count: 0
mapped widget text is: aaa:   // I want this to be empty