update webui.py

webui.py

@@ -1,2 +1,75 @@
 import streamlit as st
+from streamlit_option_menu import option_menu
+import openai
 
+def dialogue_page():
+    with st.sidebar:
+        dialogue_mode = st.radio("请选择对话模式",
+                                 ["LLM 对话",
+                                  "知识库问答",
+                                  "Bing 搜索问答"])
+        if dialogue_mode == "知识库问答":
+            selected_kb = st.selectbox("请选择知识库：", ["知识库1", "知识库2"])
+            with st.expander(f"{selected_kb} 中已存储文件"):
+                st.write("123")
+
+    # Display chat messages from history on app rerun
+    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"):
+            message_placeholder = st.empty()
+            full_response = ""
+            for response in openai.ChatCompletion.create(
+                    model=OPENAI_MODEL,
+                    messages=[
+                        {"role": m["role"], "content": m["content"]}
+                        for m in st.session_state.messages
+                    ],
+                    stream=True,
+            ):
+                full_response += response.choices[0].delta.get("content", "")
+                message_placeholder.markdown(full_response + "▌")
+            message_placeholder.markdown(full_response)
+        st.session_state.messages.append({"role": "assistant", "content": full_response})
+
+
+def knowledge_base_edit_page():
+    pass
+
+
+def config_page():
+    pass
+
+
+if __name__ == "__main__":
+    st.set_page_config("langchain-chatglm WebUI")
+
+    if "messages" not in st.session_state:
+        st.session_state.messages = []
+
+    pages = {"对话": {"icon": "chat",
+                      "func": dialogue_page,
+                      },
+             "知识库管理": {"icon": "database-fill-gear",
+                            "func": knowledge_base_edit_page,
+                            },
+             "模型配置": {"icon": "gear",
+                          "func": config_page,
+                          }
+             }
+
+    with st.sidebar:
+        selected_page = option_menu("langchain-chatglm",
+                                    options=list(pages.keys()),
+                                    icons=[i["icon"] for i in pages.values()],
+                                    menu_icon="chat-quote",
+                                    default_index=0)
+
+    pages[selected_page]["func"]()