update folder creation

app.py

@@ -9,19 +9,24 @@ from flask import send_file
 
 logger = logging.getLogger(__name__)
 logging.basicConfig(level=logging.INFO)
+
+UPLOAD_FOLDER = '/app/images'
+OUT_FOLDER = '/app/anno'
+
 app = Flask(__name__)
 app.config['SEND_FILE_MAX_AGE_DEFAULT'] = 0
 app.config["SECRET_KEY"] = '#thaistartsfirst!'
-app.config["IMAGES"] = 'images'
-app.config["OUT"] = "anno"
+app.config["IMAGES"] = UPLOAD_FOLDER
+app.config["OUT"] = OUT_FOLDER
 app.config["LABELS"] = []
 app.config["HEAD"] = 0
 app.config["SESSION_PERMANENT"] = False
-# try:
-#     os.mkdir(app.config["OUT"])
-#     os.mkdir(app.config["IMAGES"])
-# except:
-#     pass
+
+# Ensure the upload directory exists
+if not os.path.exists(UPLOAD_FOLDER):
+    os.makedirs(UPLOAD_FOLDER)
+if not os.path.exists(OUT_FOLDER):
+    os.makedirs(OUT_FOLDER)
 
 
 @app.route('/', methods=['GET', 'POST'])
@@ -31,19 +36,19 @@ def index():
         user_id = uuid.uuid4()
         session['_id'] = user_id
         logger.info(user_id)
-        with open(f"{app.config['OUT']}/{user_id}.csv", 'w') as f:
+        file_path = os.path.join(OUT_FOLDER, f'{user_id}.csv')
+        with open(file_path, 'w') as f:
             f.write("image,id,name,xMin,xMax,yMin,yMax\n")
 
     if request.method == 'POST':
         if 'file' not in request.files:
             flash('No files selected')
             return redirect('/')
-        img_folder = f'{app.config["IMAGES"]}/{user_id}'
+        img_folder = os.path.join(UPLOAD_FOLDER, f'{user_id}')
         try:
-            os.mkdir(img_folder)
-        except:
+            os.makedirs(img_folder)
+        except FileExistsError:
             logger.info('user already has an active session')
-        logger.info(user_id)
         files = request.files.getlist("file")
         filenames = []
         for f in files: