Is possible to run a Python code in javascript (node) code

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// javascript code
// ......
// python code here ...
// ....

What I have tried:

console.log("javascript code")
// python code here ....
console.log("another javascript code")

Posted 29-Aug-22 6:58am

BEST Physics

Updated 29-Aug-22 17:26pm

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Mohibur Rashid 29-Aug-22 13:06pm

It is possible to call a python script from javascript. Get the result in json format and parse it and assign to the desired javascript variable. But this will not work in browser.

2 solutions

Solution 1

No, you can't. The javascript engine in the browser will not run Python code.

And before you get the idea to launch an external process from the browser so an interpreter on the client machine can execute the Python code, you cannot do that either because of security concerns.

Posted 29-Aug-22 7:18am

Dave Kreskowiak

Comments

Patrice T 29-Aug-22 13:38pm

"javascript (node) code" is not on server ?

Dave Kreskowiak 29-Aug-22 13:46pm

The example given doesn't seem to be server-side code.

Patrice T 29-Aug-22 13:48pm

Tittle says "node", I guess it matters.

Dave Kreskowiak 29-Aug-22 13:53pm

Ah, didn't see it.

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Sandeep Mewara · Accepted Answer · 2022-08-29T17:26:00

Yes, it is possible using childprocess core module. You need to call your Python script from Node.js which will store the output of your Python script and you can do whatever you want with the variable post it.

An example from web[^] is:

JavaScript

const express = require('express')
const app = express()

app.get('/', (req, res) => {

    const { spawn } = require('child_process');
    const pyProg = spawn('python', ['./../pypy.py']);

    pyProg.stdout.on('data', function(data) {

        console.log(data.toString());
        res.write(data);
        res.end('end');
    });
})

app.listen(4000, () => console.log('Application listening on port 4000!'))

Detailed step-by-step to set it up can be followed here: https://medium.com/swlh/run-python-script-from-node-js-and-send-data-to-browser-15677fcf199f[^]