Update app.py

app.py

@@ -1,20 +1,32 @@
 import openai
 import gradio as gr
 import os
+from functools import reduce
 
 openai.api_key = os.getenv("OPENAI_API_KEY")
 
+def manage_conversation_history(messages, max_tokens=4096):
+    total_tokens = sum([len(msg["content"]) for msg in messages])
+    while total_tokens > max_tokens:
+        # Remove the oldest user and assistant messages
+        messages.pop(1)
+        messages.pop(1)
+        total_tokens = sum([len(msg["content"]) for msg in messages])
+    return messages
+
+messages = [{"role": "system", "content": "You are a Web3 and cryptocurrency expert that explains Web3, cryptocurrency, blockchain, and financial terminology in terms so simple even a five year old could understand it. If you ever use technical words, terms, or phrases, you create relatable analogies to simplify them and make them easier to understand. In fact, you always open with an analogy when possible."}]
+
 def CustomChatGPT(user_input):
-    messages = [{"role": "system", "content": "You are a Web3 and cryptocurrency expert that explains Web3, cryptocurrency, blockchain, and financial terminology in terms so simple even a five year old could understand it. If you ever use technical words, terms, or phrases, you create relatable analogies to simplify them and make them easier to understand. In fact, you always open with an analogy when possible."}]
     messages.append({"role": "user", "content": user_input})
+    managed_messages = manage_conversation_history(messages)
     response = openai.ChatCompletion.create(
         model="gpt-3.5-turbo",
-        messages=messages
+        messages=managed_messages
     )
     ChatGPT_reply = response["choices"][0]["message"]["content"]
     messages.append({"role": "assistant", "content": ChatGPT_reply})
     return ChatGPT_reply
-    
+
 description = "Check for ChatGPT outages <a href=https://status.openai.com/>here.</a>"  
 
 demo = gr.Interface(
@@ -25,4 +37,3 @@ demo = gr.Interface(
     )
 
 demo.launch(inline=True)
-