increased limit a bit, and added total letters

app.py

@@ -8,7 +8,7 @@ import fitz
 
 MODEL = 'gpt-4-turbo'
 PRICE_PER_M = 10.00
-LIMIT = 120000 # some space for answer
+LIMIT = 125000 # some space for answer
 
 api_key = os_getenv("OPENAI_APIKEY")
 client = OpenAI(api_key=api_key)
@@ -83,18 +83,19 @@ def files_ready(filenames):
 
     if tokens > LIMIT:
         raise gr.Error(f"Book is too long. It's {tokens} tokens long and can't be more than {LIMIT}.")
-    return tokens, f"${cost}", [[prompt, None]]
+    return len(prompt), tokens, f"${cost}", [[prompt, None]]
 
 def files_changed(filenames):
     if filenames:
         return "-", "-"
     else:
-        return 0, "$0"
+        return 0, 0, "$0"
     
 with gr.Blocks(title="Book summarization and more") as demo:
     with gr.Row():
         files = gr.Files(file_types=["txt","doc","docx","pdf"] )
         with gr.Column():
+            letters = gr.Text("0", label="Letters (with spaces)")
             tokens = gr.Text("0", label="Tokens")
             cost = gr.Text("0", label="Cost")
 
@@ -105,8 +106,8 @@ with gr.Blocks(title="Book summarization and more") as demo:
         multimodal=False)
     
     other = gr.Button(interactive=False)
-    files.upload(files_ready, [files], [tokens, cost, chat.chatbot_state])
-    files.change(files_changed, files, [tokens, cost])
+    files.upload(files_ready, [files], [letters, tokens, cost, chat.chatbot_state])
+    files.change(files_changed, files, [letters, tokens, cost])
 
 
 auth=os_getenv("APP_USERS", "null")