Node & Flask API Example

simple_flask_example.py

# For running a simple flask app
# Run via;  export FLASK_APP = simple_flask_example.py
#           python -m flask run

from flask import Flask, json

app = Flask(__name__)

def do_something():
    # Go do something, normally this is seperated out in a seperate file / class
    return "Hello world"


@app.route('/test')
def test():
    data = do_something()
    response = app.response_class(
        response=json.dumps(data),
        status=200,
        mimetype='application/json'
    )
    return response

test.js

// To run; 
//			npm init
//			node test.js

const https = require('http');

https.get('http://localhost:5000/test', (resp) => {
  let data = '';

  // A chunk of data has been recieved.
  resp.on('data', (chunk) => {
    data += chunk;
  });

  // The whole response has been received. Print out the result.
  resp.on('end', () => {
    console.log(JSON.parse(data));
  });

}).on("error", (err) => {
  console.log("Error: " + err.message);
});