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| import streamlit as st | |
| from streamlit_chat import message | |
| import os | |
| from utils import ( | |
| parse_docx, | |
| parse_pdf, | |
| parse_txt, | |
| parse_csv, | |
| search_docs, | |
| embed_docs, | |
| text_to_docs, | |
| get_answer, | |
| get_sources, | |
| wrap_text_in_html, | |
| ) | |
| from openai.error import OpenAIError | |
| def clear_submit(): | |
| st.session_state["submit"] = False | |
| def set_openai_api_key(api_key: str): | |
| st.session_state["OPENAI_API_KEY"] = api_key | |
| st.markdown('<h1>Chat with your Files </h1>', unsafe_allow_html=True) | |
| st.markdown('<h1>Developed with LangChain and OpenAI Embeddings </h1>', unsafe_allow_html=True) | |
| # Sidebar | |
| index = None | |
| doc = None | |
| with st.sidebar: | |
| user_secret = st.text_input( | |
| "OpenAI API Key", | |
| type="password", | |
| placeholder="Paste your OpenAI API key here (sk-...)", | |
| help="You can get your API key from https://platform.openai.com/account/api-keys.", | |
| value=st.session_state.get("OPENAI_API_KEY", ""), | |
| ) | |
| if user_secret: | |
| set_openai_api_key(user_secret) | |
| uploaded_file = st.file_uploader( | |
| "Upload a pdf, docx, or txt file", | |
| type=["pdf", "docx", "txt", "csv"], | |
| help="Scanned documents are not supported yet!", | |
| on_change=clear_submit, | |
| ) | |
| if uploaded_file is not None: | |
| if uploaded_file.name.endswith(".pdf"): | |
| doc = parse_pdf(uploaded_file) | |
| elif uploaded_file.name.endswith(".docx"): | |
| doc = parse_docx(uploaded_file) | |
| elif uploaded_file.name.endswith(".csv"): | |
| doc = parse_csv(uploaded_file) | |
| elif uploaded_file.name.endswith(".txt"): | |
| doc = parse_txt(uploaded_file) | |
| else: | |
| st.error("File type not supported") | |
| doc = None | |
| text = text_to_docs(doc) | |
| try: | |
| with st.spinner("Indexing document... This may take a while⏳"): | |
| index = embed_docs(text) | |
| st.session_state["api_key_configured"] = True | |
| except OpenAIError as e: | |
| st.error(e._message) | |
| tab1, tab2 = st.tabs(["Chat with the File", "About the Application"]) | |
| with tab1: | |
| st.write('To obtain an API Key you must create an OpenAI account at the following link: https://openai.com/api/') | |
| if 'generated' not in st.session_state: | |
| st.session_state['generated'] = [] | |
| if 'past' not in st.session_state: | |
| st.session_state['past'] = [] | |
| def get_text(): | |
| if user_secret: | |
| st.header("Ask me something about the document:") | |
| input_text = st.text_area("You:", on_change=clear_submit) | |
| return input_text | |
| user_input = get_text() | |
| button = st.button("Submit") | |
| if button or st.session_state.get("submit"): | |
| if not user_input: | |
| st.error("Please enter a question!") | |
| else: | |
| st.session_state["submit"] = True | |
| sources = search_docs(index, user_input) | |
| try: | |
| answer = get_answer(sources, user_input) | |
| st.session_state.past.append(user_input) | |
| st.session_state.generated.append(answer["output_text"].split("SOURCES: ")[0]) | |
| except OpenAIError as e: | |
| st.error(e._message) | |
| if st.session_state['generated']: | |
| for i in range(len(st.session_state['generated'])-1, -1, -1): | |
| message(st.session_state["generated"][i], key=str(i)) | |
| message(st.session_state['past'][i], is_user=True, key=str(i) + '_user') | |
| with tab2: | |
| st.write('Developed by </Shahnab>') |