[英]How to specify schema for nested json in flask_restx?
我将 flask_restx 用于 swagger API。 版本如下:
python - 3.8.0
flask - 2.0.2
flask_restx - 0.5.1
以下是我需要指定架构的嵌套 json:
dr_status_fields = app_api.model('DR Status',{
fields.String: {
"elasticsearch": {
"backup_status": fields.String,
"backup_folder": fields.String,
},
"mongodb": {
"backup_status": fields.String,
"backup_folder": fields.String,
},
"postgresdb": {
"backup_status": fields.String,
"backup_folder": fields.String,
},
"overall_backup_status": fields.String
}
})
但是当我在浏览器中加载 swagger URL 时,我在命令行中出现错误:
Unable to render schema
Traceback (most recent call last):
File "/usr/local/lib/python3.8/site-packages/flask_restx/api.py", line 571, in __schema__
self._schema = Swagger(self).as_dict()
File "/usr/local/lib/python3.8/site-packages/flask_restx/swagger.py", line 268, in as_dict
"definitions": self.serialize_definitions() or None,
File "/usr/local/lib/python3.8/site-packages/flask_restx/swagger.py", line 623, in serialize_definitions
return dict(
File "/usr/local/lib/python3.8/site-packages/flask_restx/swagger.py", line 624, in <genexpr>
(name, model.__schema__)
File "/usr/local/lib/python3.8/site-packages/flask_restx/model.py", line 76, in __schema__
schema = self._schema
File "/usr/local/lib/python3.8/site-packages/flask_restx/model.py", line 159, in _schema
properties[name] = field.__schema__
AttributeError: 'dict' object has no attribute '__schema__'
我已尝试检查flask_restx的文档以获取任何示例示例用法。 但找不到任何。 请帮助解决相同的问题
根据rmn
答案,我尝试应用相同的方法。 但这里的问题是有一个关键,即在上面定义的方案的第 2 行 -> fields.String: {
。 我认为这是造成问题的原因。 我尝试按如下方式使用它:
dr_status_fields = app_api.model('Backup and restore related fields', {
"backup_status": fields.String,
"backup_folder": fields.String,
})
dr_db_fields = app_api.model('DR Status', {
"elasticsearch": fields.Nested(dr_status_fields),
"mongodb": fields.Nested(dr_status_fields),
"postgresdb": fields.Nested(dr_status_fields),
"overall_backup_status": fields.String
})
dr_timestamp_field = app_api.model('Timestamp', {
fields.String: fields.Nested(dr_db_fields)
})
这里dr_timestamp_field
导致了同样的问题。
使用字段。 嵌套:
backup_fields = api.model('Backup fields', {
"backup_status": fields.String,
"backup_folder": fields.String
})
dr_status_fields = api.model('DR Status', {
"elasticsearch": fields.Nested(backup_fields),
"mongodb": fields.Nested(backup_fields),
"postgresdb": fields.Nested(backup_fields),
"overall_backup_status": fields.String
})
在某些情况下,您的值是字符串列表:
"titles": fields.List(fields.String, description="Study books"),
但是如果你有一个 dict 作为一个值,那么使用fields.Nested
作为参数:
"users": fields.List(fields.Nested(your_model), description="Authors"),
此外, your_model
也可以像上面那样嵌套值。
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