shutdown server when electron window closed

api/app.py

@@ -3,18 +3,25 @@
 from DataProcesser import DataProcesser
 
 import os
+import atexit
+import threading
 import pandas as pd
 import nltk
 import json
 nltk.download('wordnet')
 
 app = Flask(__name__)
+server_thread = None
 CORS(app) # Permite todas as origens por padrão (não recomendado para produção)
 
 app.config['JSONIFY_PRETTYPRINT_REGULAR'] = True
 
 data_processer = DataProcesser()
 
+def shutdown_server():
+ print("Server shutting down...")
+ os.kill(os.getpid(), 9)
+
 @app.route('/', methods=['GET'])
 def hello_world():
  return jsonify("Hello, world!")
@@ -31,5 +38,16 @@ def upload_file():
 
  return jsonify({'result': result.to_json()})
 
+@app.get('/shutdown')
+def shutdown():
+ shutdown_server()
+ return 'Server shutting down...'
+
+def run_flask_app():
+ global server_thread
+ app.run(host='0.0.0.0', port=5000, debug=True, use_reloader=False)
+
 if __name__ == '__main__':
- app.run(host='0.0.0.0', port=5000, debug=True)
+ server_thread = threading.Thread(target=run_flask_app)
+ server_thread.start()
+ atexit.register(shutdown_server)

main.js

@@ -1,17 +1,19 @@
 const { app, BrowserWindow } = require("electron");
 const childProcess = require("child_process");
 const path = require("path");
+const axios = require("axios");
 const url = require("url");
 
 var processes = [];
 
+/*
 const child = childProcess.spawn("python", ["./api/app.py"], {
  detached: false,
  stdio: "ignore",
 });
 
 processes.push(child);
-
+*/
 function createWindow() {
  // cria a janela
  const win = new BrowserWindow({
@@ -56,12 +58,15 @@ app.on("before-quit", () => {});
 
 app.on("window-all-closed", () => {
  if (process.platform !== "darwin") {
- /*
- // TENTA fechar o processo do python
- processes.forEach(function (proc) {
- proc.kill();
- }); */
+ //console.log("Fechando")
+ axios.get("http://127.0.0.1:5000/shutdown").then(response => {
+
+ }).catch(error => {
+
+ })
+ setTimeout(() => {
+ app.quit();
+ }, 2000);
 
- app.quit();
  }
 });