practice/my_library/models/base.py

from odoo import models, fields

class BaseModel(models.AbstractModel):
    _name = 'BaseModel'
    _description = 'description of BaseModel'
    # 共享字段
    name = fields.Char(string='Name', required=True)
    description = fields.Text(string='Description')

    def print_info(self):
        print(f"Name: {self.name}, Description: {self.description}")


class MyModel(models.Model):
    _name = 'my.model'  # 模型名称，应该唯一
    _description = 'Description of my model'  # 模型描述

    # 继承抽象超类的字段
    _inherit = 'BaseModel'

    date_created = fields.Date(string='Date Created')  # 模型特有的字段