code: def from_dict(self, dictionary):
          
          for column in self.__table__.columns.keys():
              value = dictionary.get(column, None)
              if value:
                  setattr(self, column, value)
docs: Set a set of attributes which correspond to the
          :class:`sandman.model.Model`'s columns.
  
          :param dict dictionary: A dictionary of attributes to set on the
              instance whose keys are the column names of
              the :class:`sandman.model.Model`'s underlying database table.