Как устранить ошибку политики CORS в Flask Framework?Php

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Anonymous
Как устранить ошибку политики CORS в Flask Framework?

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I have a Wordpress plugin. There is a form in the plugin's index.php file. I want to send this form data to my article.py file in pythonanywhere, save it here and then send a response to index.php. But I think I'm doing something wrong somewhere. I've been trying for about 12 hours but I can't do it. I'm not very knowledgeable about these issues. I will write the codes I use below. I keep getting CORS Policy error and I have read all forum pages and documents about it.

Here's the error I'm getting:

Access to fetch at 'https://metehanz.pythonanywhere.com/submit' from origin 'http://deneme.local' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource. If an opaque response serves your needs, set the request's mode to 'no-cors' to fetch the resource with CORS disabled.

When I run the article.py file I installed, I get the error "flask_cors no module named". So I deleted the .virtualenvs/ file and reinstalled it, activated it and entered the file path of the virtual environment in the Virtualenv section of the web panel (/home/metehanz/.virtualenvs/myenv). But the error persists. So I thought I might have installed article.py in the wrong place, so I deleted it and installed it next to flask_app.py, but the error persists.

First, the data sending codes in index.php:

fetch("http://metehanz.pythonanywhere.com/submit", { method: "POST", body: formData }) .then(response => { if (!response.ok) { throw new Error('Network response was not ok'); } return response.text(); }) .then(data => { console.log(data); // Başarılı cevap alındığında yapılacak işlemler buraya eklenebilir }) .catch(error => { console.error('There has been a problem with your fetch operation:', error); }); Now I'm going to write the code in the article.py file. Don't worry, I installed things like flask_cors with the pip install command. But when I run the file on the site, I get the error "flask_cors no module named".
from flask import Flask, request from flask_cors import CORS app = Flask(__name__) CORS(app) # Tüm kaynaklara erişime izin verir @app.route('/submit', methods=['POST']) def submit_data(): 1_key = request.form.get('one') 2_key = request.form.get('two') 3_key = request.form.get('three') # Burada gelen verileri işleyin ve gerektiğinde yanıt döndürün return 'Veriler başarıyla alındı.' if __name__ == '__main__': app.run(port=8081) # veya başka bir port numarası seçebilirsiniz

Источник: https://stackoverflow.com/questions/780 ... k-framwork

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