app.py

from flask import Flask, jsonify, request
from flask_cors import CORS
from subprocess import Popen, PIPE
import sys
import os

app = Flask(__name__)
cors = CORS(app, resources={r"/*": {"origins": "*"}})

@app.route('/', methods=['POST'])
def index():
 content = request.get_json()
 print(content)
 with open(content['filename'], 'w') as outfile:
 outfile.write(content['content'])
 p = Popen([sys.executable, content['filename']], stdout=PIPE, stderr=PIPE, universal_newlines=True)
 output, err = p.communicate()
 os.remove(content['filename'])
 return jsonify({"output": output, "err": err})