import random import time import logging from json import JSONDecodeError import streamlit as st from app_utils.backend_utils import load_statements, query from app_utils.frontend_utils import ( set_state_if_absent, reset_results, entailment_html_messages, create_df_for_relevant_snippets, create_ternary_plot, build_sidebar, ) from app_utils.config import RETRIEVER_TOP_K def main(): statements = load_statements() build_sidebar() # Persistent state set_state_if_absent("statement", "Elvis Presley is alive") set_state_if_absent("answer", "") set_state_if_absent("results", None) set_state_if_absent("raw_json", None) set_state_if_absent("random_statement_requested", False) st.write("# Fact Checking 🎸 Rocks!") st.write() st.markdown( """ ##### Enter a factual statement about [Rock music](https://en.wikipedia.org/wiki/List_of_mainstream_rock_performers) and let the AI check it out for you... """ ) # Search bar statement = st.text_input( "", value=st.session_state.statement, max_chars=100, on_change=reset_results ) col1, col2 = st.columns(2) col1.markdown( "", unsafe_allow_html=True ) col2.markdown( "", unsafe_allow_html=True ) # Run button run_pressed = col1.button("Run") # Random statement button if col2.button("Random statement"): reset_results() statement = random.choice(statements) # Avoid picking the same statement twice (the change is not visible on the UI) while statement == st.session_state.statement: statement = random.choice(statements) st.session_state.statement = statement st.session_state.random_statement_requested = True # Re-runs the script setting the random statement as the textbox value # Unfortunately necessary as the Random statement button is _below_ the textbox # Adapted for Streamlit>=1.12.0 if hasattr(st, "scriptrunner"): raise st.scriptrunner.script_runner.RerunException( st.scriptrunner.script_requests.RerunData(widget_states=None) ) raise st.runtime.scriptrunner.script_runner.RerunException( st.runtime.scriptrunner.script_requests.RerunData(widget_states=None) ) else: st.session_state.random_statement_requested = False run_query = ( run_pressed or statement != st.session_state.statement ) and not st.session_state.random_statement_requested # Get results for query if run_query and statement: time_start = time.time() reset_results() st.session_state.statement = statement with st.spinner("🧠    Performing neural search on documents..."): try: st.session_state.results = query(statement, RETRIEVER_TOP_K) print(f"S: {statement}") time_end = time.time() print(time.strftime("%Y-%m-%d %H:%M:%S", time.gmtime())) print(f"elapsed time: {time_end - time_start}") except JSONDecodeError as je: st.error( "👓    An error occurred reading the results. Is the document store working?" ) return except Exception as e: logging.exception(e) st.error("🐞    An error occurred during the request.") return # Display results if st.session_state.results: docs = st.session_state.results["documents"] agg_entailment_info = st.session_state.results["aggregate_entailment_info"] # show different messages depending on entailment results max_key = max(agg_entailment_info, key=agg_entailment_info.get) message = entailment_html_messages[max_key] st.markdown(f"

{message}

", unsafe_allow_html=True) st.markdown(f"###### Aggregate entailment information:") col1, col2 = st.columns([2, 1]) fig = create_ternary_plot(agg_entailment_info) with col1: st.plotly_chart(fig, use_container_width=True) with col2: st.write(agg_entailment_info) st.markdown(f"###### Most Relevant snippets:") df, urls = create_df_for_relevant_snippets(docs) st.dataframe(df) str_wiki_pages = "Wikipedia source pages: " for doc, url in urls.items(): str_wiki_pages += f"[{doc}]({url}) " st.markdown(str_wiki_pages) main()