add chat streamlit

chat-llm-streamlit/app.py

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+from openai import OpenAI
+import streamlit as st
+import os
+from dotenv import load_dotenv
+load_dotenv()
+
+st.title("ChatGPT-like clone")
+OPENAI_API_KEY = os.getenv("OPENAI_API_KEY", "")
+OPENAI_BASE_URL = os.getenv("OPENAI_BASE_URL", None)
+OPENAI_MODEL = os.getenv("OPENAI_MODEL", None)
+client = OpenAI(api_key=OPENAI_API_KEY, base_url=OPENAI_BASE_URL)
+
+if "openai_model" not in st.session_state:
+    st.session_state["openai_model"] = OPENAI_MODEL
+
+if "messages" not in st.session_state:
+    st.session_state.messages = []
+
+for message in st.session_state.messages:
+    with st.chat_message(message["role"]):
+        st.markdown(message["content"])
+
+if prompt := st.chat_input("What is up?"):
+    st.session_state.messages.append({"role": "user", "content": prompt})
+    with st.chat_message("user"):
+        st.markdown(prompt)
+
+    with st.chat_message("assistant"):
+        stream = client.chat.completions.create(
+            model=st.session_state["openai_model"],
+            messages=[
+                {"role": m["role"], "content": m["content"]}
+                for m in st.session_state.messages
+            ],
+            stream=True,
+        )
+        response = st.write_stream(stream)
+    st.session_state.messages.append({"role": "assistant", "content": response})

chat-llm-streamlit/requirements.txt

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+streamlit
+openai
+python-dotenv