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117 lines
3.9 KiB
Python
117 lines
3.9 KiB
Python
import streamlit as st
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from dotenv import load_dotenv
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from streamlit_chat import message
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from constants import APP_NAME, DEFAULT_DATA_SOURCE, PAGE_ICON
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from utils import (
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authenticate,
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build_chain_and_clear_history,
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delete_uploaded_file,
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generate_response,
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logger,
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save_uploaded_file,
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)
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load_dotenv()
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# Page options and header
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st.set_option("client.showErrorDetails", True)
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st.set_page_config(page_title=APP_NAME, page_icon=PAGE_ICON)
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st.markdown(
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f"<h1 style='text-align: center;'>{APP_NAME} {PAGE_ICON} <br> I know all about your data!</h1>",
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unsafe_allow_html=True,
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)
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# Initialise session state variables
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if "chat_history" not in st.session_state:
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st.session_state["chat_history"] = []
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if "generated" not in st.session_state:
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st.session_state["generated"] = []
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if "past" not in st.session_state:
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st.session_state["past"] = []
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if "auth_ok" not in st.session_state:
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st.session_state["auth_ok"] = False
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if "data_source" not in st.session_state:
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st.session_state["data_source"] = ""
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if "uploaded_file" not in st.session_state:
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st.session_state["uploaded_file"] = None
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if "openai_api_key" not in st.session_state:
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st.session_state["openai_api_key"] = None
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if "activeloop_token" not in st.session_state:
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st.session_state["activeloop_token"] = None
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if "activeloop_org_name" not in st.session_state:
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st.session_state["activeloop_org_name"] = None
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# Sidebar
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with st.sidebar:
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st.title("Authentication")
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with st.form("authentication"):
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openai_api_key = st.text_input("OpenAI API Key", type="password")
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activeloop_token = st.text_input("ActiveLoop Token", type="password")
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activeloop_org_name = st.text_input(
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"ActiveLoop Organisation Name", type="password"
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)
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submitted = st.form_submit_button("Submit")
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if submitted:
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authenticate(openai_api_key, activeloop_token, activeloop_org_name)
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if not st.session_state["auth_ok"]:
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st.stop()
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clear_button = st.button("Clear Conversation", key="clear")
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# the chain can only be initialized after authentication is OK
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if "chain" not in st.session_state:
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build_chain_and_clear_history(DEFAULT_DATA_SOURCE)
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if clear_button:
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# reset chat history
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st.session_state["past"] = []
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st.session_state["generated"] = []
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st.session_state["chat_history"] = []
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# file upload and data source inputs
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uploaded_file = st.file_uploader("Upload a file")
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data_source = st.text_input(
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"Enter any data source",
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placeholder="Any path or url pointing to a file or directory of files",
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)
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# generate new chain for new data source / uploaded file
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# make sure to do this only once per input / on change
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if data_source and data_source != st.session_state["data_source"]:
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logger.info(f"data source provided: '{data_source}'")
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build_chain_and_clear_history(data_source)
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st.session_state["data_source"] = data_source
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if uploaded_file and uploaded_file != st.session_state["uploaded_file"]:
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logger.info(f"uploaded file: '{uploaded_file.name}'")
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data_source = save_uploaded_file(uploaded_file)
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build_chain_and_clear_history(data_source)
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delete_uploaded_file(uploaded_file)
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st.session_state["uploaded_file"] = uploaded_file
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# container for chat history
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response_container = st.container()
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# container for text box
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container = st.container()
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with container:
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with st.form(key="prompt_input", clear_on_submit=True):
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user_input = st.text_area("You:", key="input", height=100)
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submit_button = st.form_submit_button(label="Send")
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if submit_button and user_input:
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output = generate_response(user_input)
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st.session_state["past"].append(user_input)
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st.session_state["generated"].append(output)
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if st.session_state["generated"]:
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with response_container:
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for i in range(len(st.session_state["generated"])):
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message(st.session_state["past"][i], is_user=True, key=str(i) + "_user")
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message(st.session_state["generated"][i], key=str(i))
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