Update app.py

app.py

@@ -7,6 +7,8 @@ import datetime
 import difflib
 import csv
 import gradio as gr
+import tempfile
+import shutil
 
 # -----------------------------
 # Config / data loading
@@ -132,19 +134,23 @@ def upload_json(filepath):
         return f"Error loading file: {e}", gr.update(choices=[])
 
 def download_current_csv(history):
-    tmp = "conversation_export.csv"
-    with open(tmp, "w", newline="", encoding="utf-8") as f:
+    if not history:
+        return None
+    tmpdir = tempfile.mkdtemp()
+    filepath = os.path.join(tmpdir, "conversation_export.csv")
+    with open(filepath, "w", newline="", encoding="utf-8") as f:
         writer = csv.writer(f)
         writer.writerow(["role","content"])
         for msg in history:
             writer.writerow([msg["role"], msg["content"]])
-    return gr.File.update(value=tmp)
+    return filepath
 
 def download_current_json():
-    tmp = "quotes_export.json"
-    with open(tmp, "w", encoding="utf-8") as f:
+    tmpdir = tempfile.mkdtemp()
+    filepath = os.path.join(tmpdir, "quotes_export.json")
+    with open(filepath, "w", encoding="utf-8") as f:
         json.dump(QUOTES, f, indent=2, ensure_ascii=False)
-    return gr.File.update(value=tmp)
+    return filepath
 
 # -----------------------------
 # UI