Update app.py

app.py

@@ -3925,7 +3925,7 @@ def create_sb3_archive(project_folder, project_id):
         str: The path to the created .sb3 file, or None if an error occurred.
     """
     #output_filename = os.path.join("generated_projects", project_id)
-    output_filename = os.path.join("generated_projects", project_id)
+    output_filename = GEN_PROJECT_DIR / project_id
     zip_path = None
     sb3_path = None
     try:
@@ -3963,6 +3963,7 @@ def create_sb3_archive(project_folder, project_id):
 def get_project(project_id):
     #project_folder = os.path.join("generated_projects", project_id)
     project_folder = GEN_PROJECT_DIR / project_id
+    project_folder.mkdir(parents=True, exist_ok=True)
     #project_folder = send_from_directory(directory="generated_projects", project_id)
     project_json_path = os.path.join(project_folder, "project.json")
 
@@ -3982,6 +3983,7 @@ def get_project(project_id):
 def get_asset(project_id, filename):
     #project_folder = os.path.join("generated_projects", project_id)
     project_folder = GEN_PROJECT_DIR / project_id
+    project_folder.mkdir(parents=True, exist_ok=True)
     #project_folder = send_from_directory(directory="generated_projects", project_id)
     asset_path = os.path.join(project_folder, filename)
 
@@ -4013,7 +4015,8 @@ def download_sb3(project_id):
     """
     sb3_filename = f"{project_id}.sb3"
     #sb3_filepath = os.path.join("generated_projects", sb3_filename)
-    sb3_filepath = send_from_directory(directory="generated_projects", sb3_filename)
+    sb3_filepath = GEN_PROJECT_DIR / sb3_filename
+    #sb3_filepath = send_from_directory(directory="generated_projects", sb3_filename)
 
     try:
         if os.path.exists(sb3_filepath):