第一步,我们需要安装一个名为Flask-Cors的内置模块;一旦安装了这个模块,那么我们将在我们的应用程序中使用它。 pipinstallFlask-Cors 现在我们需要导入CORS,这个模块负责所有类型的 CORS 问题;它将能够解决来自前端的任何请求。 fromflask_corsimportCORS 现在我们需要创建一个 Flask 应用程序并将该应用程序包装到CORS类...
Now, we need to define the XHR function that will send username and password to the Flask application, which will then log the user invia the API. Flask requires that a cross-site request forgery (CSRF) token be sent with each request. To activate CSRF protection for your Flask application...
Install Flask and Gunicorn packages. $ pip install flask gunicorn Allow incoming connections to port 5000. $ ufw allow 5000 Apply CSRF Protection and Content Security Policies Cross-Site Request Forgery (CORS) is a vulnerability that allows someone to exploit and take advantage of a user’s ...
How To Install and Set Up a Local Programming Environment for Python 3flask_app An understanding of basic Flask concepts, such as routes, view functions, and templates. If you are not familiar with Flask, check outHow to Create Your First Web Application Using Flask and PythonandHow to Use ...
Install the dependencies you will need for this project. If you are on a Unix or macOS system, run the following commands to do this: Bash Copy Code python3 -m venv venv source venv/bin/activate pip install twilio flask flask_apscheduler flask_cors spacy If you following this ...
pyenv install 3.6.9 Next create a new virtualenv using that Python version we just installed. pyenv virtualenv 3.6.9 astra-venv Almost off to the races, go ahead and activate that virtualenv pyenv activate astra-venv Woot, now 3 quick dependencies ( Flask, Flask CORS, and the DataStax Cassa...
run(debug=True, host='localhost', port=8000) Passing the request.headers object to the dict() class converts the object to a native Python dictionary. # Getting the query parameters in Flask You can also use the request object to get the query parameters in a Flask application....
FastAPIhas also had a rapid rise to prominence among Python developers. It’s a modern web framework, also initially released in 2018, that was designed to compensate in almost all areas in whichFlaskfalls flat. One of the great things about switching to FastAPI is the learning...
After this, we navigate to the Chatter folder and install the WebSocket client. We will install it with npm install socket.io-client and then import it into the App.js file. Then we will type these codes inside the App.js file like this: Code Snippet- App.js: import React, { useState...
We need to deploy the app for production. Here, we choose to deploy the app to Vercel to use its free serverless functions hosting service. Create therequirements.txtusingpipreqs: pipreqs. Structure the app as below followingVercel’s Flask template. ...