deepseek R1

app.py

@@ -3,41 +3,53 @@ import streamlit as st
 from huggingface_hub import InferenceClient
 from dotenv import load_dotenv
 
+# 1. Load environment variables from .env (if used)
 load_dotenv()
-client = InferenceClient(provider="auto", api_key=os.environ["HUGGINGFACEHUB_API_TOKEN"])
 
-st.set_page_config(page_title="Educational Chatbot")
+# 2. Instantiate the HF Inference client once
+client = InferenceClient(
+    provider="auto",
+    api_key=os.environ["HUGGINGFACEHUB_API_TOKEN"]
+)
+
+# 3. Streamlit page config
+st.set_page_config(
+    page_title="🎓 Educational Chatbot",
+    layout="wide"
+)
 st.title("🎓 Educational Chatbot")
 
+# 4. Initialize chat history
 if "history" not in st.session_state:
-    st.session_state.history = []
+    st.session_state.history = []  # list of (sender, message)
 
-# 1) Show existing chat
+# 5. Render existing chat messages
 for sender, msg in st.session_state.history:
     role = "user" if sender == "You" else "assistant"
     st.chat_message(role).write(msg)
 
-# 2) Ask for new input
+# 6. Chat input
 user_input = st.chat_input("Ask me anything…")
+
 if user_input:
-    # a) echo user
+    # a) Echo user message
     st.chat_message("user").write(user_input)
     st.session_state.history.append(("You", user_input))
 
-    # b) typing indicator
+    # b) Show a single assistant placeholder
     placeholder = st.chat_message("assistant")
-    placeholder.write("⏳ Thinking...")
+    placeholder.write("⏳ Thinking…")
 
-    # c) get actual reply
+    # c) Call HF Inference API
     try:
         completion = client.chat.completions.create(
             model="deepseek-ai/DeepSeek-R1",
-            messages=[{"role":"user","content":user_input}],
+            messages=[{"role": "user", "content": user_input}],
         )
         reply = completion.choices[0].message["content"]
     except Exception as e:
         reply = f"❌ API Error: {e}"
 
-    # d) replace placeholder with real answer
+    # d) Replace placeholder with real reply
     placeholder.write(reply)
     st.session_state.history.append(("Bot", reply))