Opted for timeout/inactivity to clear the session rather than closing the tab/window. That should do for the time being. Need to add the client path sessions to when the ession is created. Currently, it will only delete the old files if the user clicks templates first. If they don't and files exist... they may not get deleted.

app/routes.py

@@ -5,11 +5,12 @@ import re
 import os
 import csv
 import glob
-import pathlib
-from flask_socketio import SocketIO
-from datetime import datetime, timezone
-from .forms import TemplateForm
+# import eventlet
+from datetime import datetime, timezone, timedelta
+# from flask_socketio import SocketIO
+# from flask_session import Session
 from functools import wraps
+import flask
 from flask import (
     redirect,
     flash,
@@ -21,18 +22,25 @@ from flask import (
     g,
 )
 from werkzeug.utils import secure_filename
-from app import app, forms
+from app import app
 
-# Upload folder
 UPLOAD_FOLDER = "/Users/normrasmussen/Documents/Projects/CSM_webapp/app/static/files/csv"
 TEMPLATES_FOLDER = "/Users/normrasmussen/Documents/Projects/CSM_webapp/app/static/files/templates/"
 app.config["UPLOAD_FOLDER"] = UPLOAD_FOLDER
 app.config["TEMPLATES_FOLDER"] = TEMPLATES_FOLDER
 ALLOWED_EXTENSIONS = {"csv"}
 
+#SESSION_PERMANENT = False
+#PERMANENT_SESSION_LIFETIME = 1800
+app.config.update(SECRET_KEY=os.urandom(24))
+app.permanent_session_lifetime = timedelta(minutes=5)
+# flask.session.modified = True
+
 # Global Variables
-socketio = SocketIO(app)
-specials = "'!@#$%^&*()\[\]-+?_=,<>/'"
+#eventlet.monkey_patch()
+#socketio = SocketIO(app)
+
+specials = '"!@#$%^&*()-+?_=,<>/"'
 url = "https://api.northpass.com/"
 
 
@@ -422,7 +430,6 @@ def save_templates_backup(templates):
             temp.write(file_body)
             temp.close
 
-
 @app.route("/undo_template", methods=["POST"])
 @key_required
 def undo_template():
@@ -430,26 +437,39 @@ def undo_template():
         if request.form["undo_templates"]:
             pass
 
-@socketio.on("disconnect")
-def test_disconnect():
-    print("Client disconnected")
+@app.route("/stop", methods=["POST"])
+def stop():
+    print("stopping")
 
+'''
 
-@socketio.on("connect")
+@socketio.on('disconnect')
+def client_disconnect():
+    clear_session()
+    print("Disconnected!")
+
+@socketio.on('message')
+def handle_message(data):
+    print('received message: ' + data)
+
+@socketio.on('connect')
 def test_connect():
     print("connection established")
 
+@app.before_request
+def before_request_func():
+    print("before_request executing!")
 
-@app.route("/cmtest", methods=["GET", "POST"])
-def cmtest():
-    form = TemplateForm()
-    if form.validate_on_submit():
-        text = form.template_code.data
-    return render_template("templates.html", form=form)
-
-
-app.secret_key = "@&I\x1a?\xce\x94\xbb0w\x17\xbf&Y\xa2\xc2(A\xf5\xf2\x97\xba\xeb\xfa"
-
+@app.after_request
+def after_request_func(response):
+    print("after_request executing!")
+    return response
+'''
+    # flask.session.permanent = False
+    # app.permanent_session_lifetime = datetime.timedelta(minutes=20)
+    # flask.session.modified = True
+    # flask.secret_key = "@&I\x1a?\xce\x94\xbb0w\x17\xbf&Y\xa2\xc2(A\xf5\xf2\x97\xba\xeb\xfa"
 
 # if __name__ == "__main__":
+#    socketio.run(app, debug=True)
 #    ask_key()