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[英]Sending a POST request to my RESTful API(Python-Flask), but receiving a GET request
[英]Sending a Post request to Flask API, but not receiving data
所以我試圖將某些值發送到我的 Flask API streamlit 應用程序,但它似乎沒有執行發布請求。 現在,我的main.py
的發布請求代碼不起作用,因為我收到TypeError: 'NoneType'
。
應用程序.py :
import requests
import json
import streamlit as st
...
api_url = "http://127.0.0.1:5000/" # Flask url
create_row_data = {'name': name, 'type': get_type(name), 'token_value': token_value,
'external': external, 'start': start, 'end': end, 'step': step}
print(create_row_data)
# The terminal cannot print out the value of r and it appears that it cannot send the post request as well
r = requests.post(url=api_url, json = create_row_data)
print(r)
print(create_row_data)
中print(create_row_data)
的輸出:
{'name': 'session', 'type': 'area_chart', 'token_value': 'G0as7vjk1ksuxn94',
'external': False, 'start': datetime.datetime(2021,7,1,14,9,7,322438), 'end': datetime.datetime(2021,7,8,14,9,7,322441), 'step': '1d'}
主要.py :
from flask import Flask
from flask import jsonify
from flask import request
...
import requests, json
@app.route('/', methods=['GET', 'POST'])
def get_data():
if request.method == 'GET':
return "ok", 200
if request.method =='POST':
p_name = request.json['name']
p_type = request.json['type']
...
p_end = request.json['end']
p_step = request.json['step']
create_row_data = {'p_name': str(p_name), 'p_type': str(p_type), ... , 'p_end': str(p_end), 'p_step': str(p_step)}
print(create_row_data)
response = requests.post(url, data=json.dumps(create_row_data), headers= {'Content-type': 'application/json'}
return response.content
根據我的理解,您需要將數據發布到 127.0.0.1 並對其進行處理以從 app.py 創建一個表,使用 flask_restful 創建一個 API 端點,以便您可以發布數據。 main.py 的代碼是:
from flask import Flask
from flask import Flask, request
from flask_restful import Resource, Api
from flask import jsonify
from flask import request
import requests, json
app = Flask(__name__)
api = Api(app)
@app.route('/', methods=['GET', 'POST'])
def get_data():
if request.method == 'GET':
return "ok", 200
class create_row_data(Resource):
def post(self):
response = request.get_json()
p_name = response['name']
p_type = response['type']
...
# code to process your data and to create a table
# return something for your client application
return True
api.add_resource(create_row_data, '/create_row_data/')
除了現在更改為http://127.0.0.1:5000/create_row_data/的 url 之外,您的客戶端 app.py 不需要更改
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