如何解决如何在 Flask-Restx 中返回嵌套的 json 响应
我正在尝试使用 Flask-RestX 制作一个可以显示这样的响应的 API,
{
"id": 1,"msg": "How are things","score": 345,"additional": {
"goal": 56,"title": "ASking how"
}
}
当数据是这样的(就我而言,我不控制数据格式),
data = {
"id":1,"msg":"How are things","goal": 56,"score":345,"title":"Asking how"
}
{
"id": 1,"additional": {
"goal": null,"title": null
}
}
完整代码--
from flask import Flask
from flask_restx import Resource,Api,fields
app = Flask(__name__)
api = Api(app)
data = {
"id":1,"title":"Asking how"
}
extra = api.model('Extra',{
'goal': fields.Integer,'title': fields.String
})
model = api.model('Model',{
'id' : fields.Integer,'msg' : fields.String,'score': fields.Integer,'additional' : fields.nested(extra)
})
@api.route('/hello')
class HelloWorld(Resource):
@api.marshal_with(model)
def get(self):
return data
if __name__ == '__main__':
app.run(debug=True,port=4000)
我对 Flask-RestX / Flask-RestPlus 完全陌生。请告诉我,如何在不更改数据格式本身的情况下实现这一点。
解决方法
根据上面的waynetech's comment,以下对我有用:
from flask import Flask
from flask_restx import Resource,Api,fields
app = Flask(__name__)
api = Api(app)
data = {
"id":1,"msg":"How are things","score":345,"additional": {
"goal": 56,"title": "Asking how",}
}
extra = api.model('Extra',{
'goal': fields.Integer,'title': fields.String
})
model = api.model('Model',{
'id' : fields.Integer,'msg' : fields.String,'score': fields.Integer,'additional' : fields.Nested(extra)
})
@api.route('/hello')
class HelloWorld(Resource):
@api.marshal_with(model)
def get(self):
return data
@api.marshal_with(model)
def post(self):
data = api.payload
return data
if __name__ == '__main__':
app.run(debug=True,port=4000)
这是我使用的快速测试脚本:
from pprint import pprint
import requests
payload = {
"id": 1,"msg":"Test","title": "Test",}
}
url = 'http://127.0.0.1:4000/hello'
r = requests.post(url,json=payload)
if r.status_code == 200:
print(r.status_code)
pprint(r.json())
else:
print("FAIL: ",r.status_code)
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