old_contents: from sqlalchemy.ext.declarative import declared_attr
  from blog.lib.database import db
  
  
  class ModelMixin(object):
      """A base mixin for all models."""
  
      @declared_attr
      def __tablename__(cls):
          return cls.__name__.lower()
  
      def __str__(self):
          return '<{} (id={})>'.format(self.__class__.__name__, self.id_)
  
      def __repr__(self):
          return str(self)
  
      id_ = db.Column('id', db.Integer, primary_key=True)
  
      def get_dictionary(self):
          d = {}
          for column in self.__table__.columns:
              key = 'id_' if column.key == 'id' else column.key
              d[key] = getattr(self, key)
          return d
  
      def update(self, d):
          for column in self.__table__.columns:
              if column.key == 'id_':
                  continue
              setattr(
                  self, column.key, d.get(
                      column.key, getattr(self, column.key)
                  )
              )
  
new_contents: from sqlalchemy.ext.declarative import declared_attr
  from blog.lib.database import db
  
  
  class ModelMixin(object):
      """A base mixin for all models."""
  
      @declared_attr
      def __tablename__(cls):
          return cls.__name__.lower()
  
      def __str__(self):
          return '<{} (id={})>'.format(self.__class__.__name__, self.id_)
  
      def __repr__(self):
          return str(self)
  
      id_ = db.Column('id', db.Integer, primary_key=True)
  
      def get_dictionary(self):
          d = {}
          for column in self.__table__.columns:
              if column.key == 'id':
                  d['id'] = getattr(self, 'id_')
              else:
                  d[column.key] = getattr(self, column.key)
          return d
  
      def update(self, d):
          for column in self.__table__.columns:
              if column.key == 'id_':
                  continue
              setattr(
                  self, column.key, d.get(
                      column.key, getattr(self, column.key)
                  )
              )
  
subject: Return "id" key to front instead of "id_".