为了使 posts 接口在接收数据时支持列表类型的 tags(类似"tags": [1, 2, 3]这种)且能够成功更新,可以选择覆盖PostSerializer的to_internal_value和create方法: # blogs/serializers.pyfromrest_frameworkimportserializersfromblogs.modelsimportTagModel,PostModelclassTagSerializer(serializers.ModelSerializer):classMeta:...
一,序列化文件 fromdjango.contrib.auth.modelsimportGroupfromdjango.contrib.authimportget_user_modelfromrest_frameworkimportserializers User=get_user_model()classGroupsReadOnly(serializers.ModelSerializer):classMeta:model=Group fields=['id','name']classUserSerializer(serializers.ModelSerializer):# many-to...
status= serializers.CharField(source='get_status_display') level= serializers.CharField(source='get_level_display')classMeta: model=models.Course fields= ['id','name','course_type','level','sub_category','degree_course','course_img','status','brief','pub_date','period','attachment_path...
Ecto是一种用于Elixir编程语言的数据库查询和操作库,它提供了一种简洁而强大的方式来与关系型数据库进行交互。在Ecto中,many_to_many是一种关系类型,用于表示多对多的关系。 在Ec...
3. Django 联合唯一UniqueConstraint(1994) 4. python自定义线程池(1725) 5. 记一次centos7安装python的mysql-client(1532) 评论排行榜 1. django rest_framework serializer的ManyRelatedField 和 SlugRelatedField使用(2) 最新评论 1. Re:django rest_framework serializer的ManyRelatedField 和 SlugRelatedFi...
您可以做的一件事是使variant成为一个SerializerMethodField，然后对在上下文中传递的参数进行筛选。
(self.instance) File "/data/sainath/lb_studio/lib64/python3.6/site-packages/rest_framework/serializers.py", line 687, in to_representation self.child.to_representation(item) for item in iterable File "/data/sainath/lb_studio/lib64/python3.6/site-packages/django/db/models/query.py", line ...
We had a need for the correct initial_data to the child serializer to check that only one field was submitted, not both (in our case "user_id" or "user_email"). As a work around we looped through the data before handing it to the serializer and added a "row" attribute to each it...
数据的修改与删除,字段的高级用法sourse,模型类序列化器,高级用法之SerializerMethodField drf的请求与响应 many=True源码分析,及局部全局钩子源码解析 一、 修改,删除接口 views.py def put(self, request, id): # 通过id取到
-Serializer这个类的:self.run_validation def run_validation(self, data=empty): value = self.to_internal_value(data) # 局部字段自己的校验和局部钩子校验 try: self.run_validators(value) value = self.validate(value) # 全局钩子的校验 except (ValidationError, DjangoValidationError) as exc: ...