'Sets the fields given at CLI or configuration to the specified
values.'

def set_fields(self):

    for (field, view) in config['import']['set_fields'].items():
        value = view.get()
        log.debug(u'Set    field    {1}={2}    for    {0}', displayable_path(self.paths), field, value)
        self.item[field] = value
    self.item.store()
