定义
model_to_dict( model[, recurse=True[, backrefs=False[, only=None[, exclude=None[, extra_attrs=None[, fields_from_query=None[, max_depth=None[, manytomany=False ]]]]]]]])
参数
recurse (bool) – Whether foreign-keys should be recursed. backrefs (bool) – Whether lists of related objects should be recursed. only – A list (or set) of field instances which should be included in the result dictionary. exclude – A list (or set) of field instances which should be excluded from the result dictionary. extra_attrs – A list of attribute or method names on the instance which should be included in the dictionary. fields_from_query (Select) – The SelectQuery that created this model instance. Only the fields and values explicitly selected by the query will be serialized. max_depth (int) – Maximum depth when recursing. manytomany (bool) – Process many-to-many fields.
示例
模型定义
# -*- coding: utf-8 -*- import json from datetime import datetime from peewee import CharField, IntegerField, DateTimeField, BooleanField, TextField class UserModel(BaseModel): """用户表""" id = IntegerField(primary_key=True) # 域名 name = CharField() # 密码 password= CharField(default="") # 分组 age = IntegerField(default=0) # 创建时间 create_time = DateTimeField(default=datetime.now) # 更新时间 update_time = DateTimeField(default=datetime.now) # 计算属性 @property def username(self): return '用户' + self.id
user = UserModel.get_by_id(1) model_to_dict( model=user, # 排除密码字段 exclude=[DomainModel.password], # 增加计算属性字段 extra_attrs=[ 'username' ] )
参考
https://docs.peewee-orm.com/en/latest/peewee/playhouse.html#model_to_dict
