Pfthb

I'm pretty new to Python and Node, I'm attempting to do a simple image upload. Python for the client side and Node for the server side. The image is uploaded and looks to be the correct size, but when I try to open or preview the image I get a prompt saying the following :

"The file could not be opened . It may be damaged or use a file format that Preview doesn’t recognise"

NOTE* I was able to get the upload to work using multer, see my posted answer. However , I would still I like to figure out why image open or image preview fails.

Client code (test locally) :

import requests

url = "http://localhost:3000/upload"
image = open('test1.jpg','rb').read()
file = 'file': image
r = requests.post(url, files=file)

print(r.status_code)
print(r.text)

Server code snippet :

const Fs = require('fs')

...
...
router.post('/upload', (req, res) =>
 var data = '';
 req.setEncoding('binary');
 req.on('data', function(chunk) 
 data += chunk;
 );

 req.on('end', function()
 Fs.writeFile("tester.jpg", data, 'binary', function(err) 
 if(err) throw err

 res.send("Image uploaded ...");

 );
 )
)

I was able to sort it out using multer : npm multer

var Storage = multer.diskStorage(
 destination: function(req, file, callback) 
 callback(null, "./images");
 ,
 filename: function(req, file, callback) 
 callback(null, file.fieldname + "_" + Date.now() + "_" + file.originalname);
 
);

var upload = multer(
 storage: Storage
).single('file');

router.post('/upload', (req, res) =>
 console.log("upload ...");

 upload(req, res, (err) =>
 if(err)
 console.log(err);
 res.send("Failed")
 
 else
 console.log(req.file);
 res.send("Uploaded ...");
 
 );
)