good/core/models/project.py

from odoo import api, fields, models
from odoo.tools import float_is_zero
from odoo.exceptions import UserError

# 状态可选值
PROJECT_STATES = [
    ('doing', '正在进行'),
    ('done', '已完成'),
    ('cancel', '已取消'),
]


class Project(models.Model):
    _name = 'project'
    _description = '项目'
    _rec_name = 'project_name'

    project_name = fields.Char('项目名称', required=True)
    state = fields.Selection(PROJECT_STATES,
                             string='项目状态',
                             index=True,
                             required=True,
                             default='doing')