How to exchange data between Python and JavaScript

This article mainly introduces the relevant knowledge of "how to exchange data between Python and JavaScript". The editor shows you the operation process through an actual case. The operation method is simple, fast and practical. I hope this article "how to exchange data between Python and JavaScript" can help you solve the problem.

Telepath is a Django library for exchanging data between Python and JavaScript, allowing you to build applications with rich client interfaces while keeping business logic in server-side code.

What does it do?

It provides a mechanism to package structured data, including Python objects, into a JSON serializable format. By registering the mechanism with the appropriate JavaScript implementation, you can extend the mechanism to support any Python class. The packaged data can then be included in the HTTP response and decompressed in JavaScript to obtain a data structure equivalent to the original data.

Installation method pip install telepath

And add 'telepath' to the project's INSTALLED_APPS.

Brief introduction

Suppose we are building a Django application for playing checkers. We have spent days or weeks building Python implementations of the rules of the game and providing classes that represent the current state and parts of the game. However, we also want to provide a properly friendly user interface for the player, which means it's time for us to write the JavaScript front end. Our UI code will inevitably have its own objects that represent different roles and mirror the data structures we are tracking on the server-but we cannot send Python objects, so sending this data to the client usually means designing an JSON representation of the game state and designing a large amount of styling code on both sides, traversing the data structures to transition back and forth between native objects. Let's see how telepath simplifies the process.

A complete checkers game is a bit too much for this tutorial, so we only choose to render this step.

In the Python environment, create a new Django project:

Pip install "Django > = 3.1