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from utils.check_pydantic_version import use_pydantic_v1 | |
use_pydantic_v1() #This function has to be run before importing haystack. as haystack requires pydantic v1 to run | |
from operator import index | |
import streamlit as st | |
import logging | |
import os | |
from annotated_text import annotation | |
from json import JSONDecodeError | |
from markdown import markdown | |
from utils.config import parser | |
from utils.haystack import start_document_store, query, initialize_pipeline, start_preprocessor_node, start_retriever, start_reader | |
from utils.ui import reset_results, set_initial_state | |
import pandas as pd | |
import haystack | |
from datetime import datetime | |
import streamlit_authenticator as stauth | |
import pickle | |
names = ['admin'] | |
usernames = ['admin'] | |
with open('hashed_password.pkl','rb') as f: | |
hashed_passwords = pickle.load(f) | |
# Whether the file upload should be enabled or not | |
DISABLE_FILE_UPLOAD = bool(os.getenv("DISABLE_FILE_UPLOAD")) | |
# Define a function to handle file uploads | |
def upload_files(): | |
uploaded_files = upload_container.file_uploader( | |
"upload", type=["pdf", "txt", "docx"], accept_multiple_files=True, label_visibility="hidden" | |
) | |
return uploaded_files | |
# Define a function to process a single file | |
def process_file(data_file, preprocesor, document_store): | |
# read file and add content | |
file_contents = data_file.read().decode("utf-8") | |
docs = [{ | |
'content': str(file_contents), | |
'meta': {'name': str(data_file.name)} | |
}] | |
try: | |
names = [item.meta.get('name') for item in document_store.get_all_documents()] | |
#if args.store == 'inmemory': | |
# doc = converter.convert(file_path=files, meta=None) | |
if data_file.name in names: | |
print(f"{data_file.name} already processed") | |
else: | |
print(f'preprocessing uploaded doc {data_file.name}.......') | |
#print(data_file.read().decode("utf-8")) | |
preprocessed_docs = preprocesor.process(docs) | |
print('writing to document store.......') | |
document_store.write_documents(preprocessed_docs) | |
print('updating emebdding.......') | |
document_store.update_embeddings(retriever) | |
except Exception as e: | |
print(e) | |
# Define a function to upload the documents to haystack document store | |
def upload_document(): | |
print(f'Uploading document store at {datetime.now()}') | |
upload_status = 0 | |
if data_files is not None: | |
for data_file in data_files: | |
# Upload file | |
if data_file: | |
try: | |
#raw_json = upload_doc(data_file) | |
# Call the process_file function for each uploaded file | |
if args.store == 'inmemory': | |
processed_data = process_file(data_file, preprocesor, document_store) | |
upload_container.write(str(data_file.name) + " β ") | |
except Exception as e: | |
upload_container.write(str(data_file.name) + " β ") | |
upload_container.write("_This file could not be parsed, see the logs for more information._") | |
# Define a function to reset the documents in haystack document store | |
def reset_documents(): | |
print('\nReseting documents list at ' + str(datetime.now()) + '\n') | |
document_store.delete_documents() | |
try: | |
args = parser.parse_args() | |
preprocesor = start_preprocessor_node() | |
document_store = start_document_store(type=args.store) | |
retriever = start_retriever(document_store) | |
reader = start_reader() | |
st.set_page_config( | |
page_title="MLReplySearch", | |
layout="centered", | |
page_icon=":shark:", | |
menu_items={ | |
'Get Help': 'https://www.extremelycoolapp.com/help', | |
'Report a bug': "https://www.extremelycoolapp.com/bug", | |
'About': "# This is a header. This is an *extremely* cool app!" | |
} | |
) | |
st.sidebar.image("ml_logo.png", use_column_width=True) | |
authenticator = stauth.Authenticate(names, usernames, hashed_passwords, "document_search", "random_text", cookie_expiry_days=1) | |
name, authentication_status, username = authenticator.login("Login", "main") | |
if authentication_status == False: | |
st.error("Username/Password is incorrect") | |
if authentication_status == None: | |
st.warning("Please enter youe username and password") | |
if authentication_status: | |
# Sidebar for Task Selection | |
st.sidebar.header('Options:') | |
# OpenAI Key Input | |
openai_key = st.sidebar.text_input("Enter OpenAI Key:", type="password") | |
if openai_key: | |
task_options = ['Extractive', 'Generative'] | |
else: | |
task_options = ['Extractive'] | |
task_selection = st.sidebar.radio('Select the task:', task_options) | |
# Check the task and initialize pipeline accordingly | |
if task_selection == 'Extractive': | |
pipeline_extractive = initialize_pipeline("extractive", document_store, retriever, reader) | |
elif task_selection == 'Generative' and openai_key: # Check for openai_key to ensure user has entered it | |
pipeline_rag = initialize_pipeline("rag", document_store, retriever, reader, openai_key=openai_key) | |
set_initial_state() | |
st.write('# ' + args.name) | |
# File upload block | |
if not DISABLE_FILE_UPLOAD: | |
upload_container = st.sidebar.container() | |
upload_container.write("## File Upload:") | |
data_files = upload_files() | |
# Button to update files in the documentStore | |
upload_container.button('Upload Files', on_click=upload_document, args=()) | |
# Button to reset the documents in DocumentStore | |
st.sidebar.button("Reset documents", on_click=reset_documents, args=()) | |
if "question" not in st.session_state: | |
st.session_state.question = "" | |
# Search bar | |
question = st.text_input("Question", value=st.session_state.question, max_chars=100, on_change=reset_results, label_visibility="hidden") | |
run_pressed = st.button("Run") | |
run_query = ( | |
run_pressed or question != st.session_state.question #or task_selection != st.session_state.task | |
) | |
# Get results for query | |
if run_query and question: | |
if task_selection == 'Extractive': | |
reset_results() | |
st.session_state.question = question | |
with st.spinner("π Running your pipeline"): | |
try: | |
st.session_state.results_extractive = query(pipeline_extractive, question) | |
st.session_state.task = task_selection | |
except JSONDecodeError as je: | |
st.error( | |
"π An error occurred reading the results. Is the document store working?" | |
) | |
except Exception as e: | |
logging.exception(e) | |
st.error("π An error occurred during the request.") | |
elif task_selection == 'Generative': | |
reset_results() | |
st.session_state.question = question | |
with st.spinner("π Running your pipeline"): | |
try: | |
st.session_state.results_generative = query(pipeline_rag, question) | |
st.session_state.task = task_selection | |
except JSONDecodeError as je: | |
st.error( | |
"π An error occurred reading the results. Is the document store working?" | |
) | |
except Exception as e: | |
if "API key is invalid" in str(e): | |
logging.exception(e) | |
st.error("π incorrect API key provided. You can find your API key at https://platform.openai.com/account/api-keys.") | |
else: | |
logging.exception(e) | |
st.error("π An error occurred during the request.") | |
# Display results | |
if (st.session_state.results_extractive or st.session_state.results_generative) and run_query: | |
# Handle Extractive Answers | |
if task_selection == 'Extractive': | |
results = st.session_state.results_extractive | |
st.subheader("Extracted Answers:") | |
if 'answers' in results: | |
answers = results['answers'] | |
treshold = 0.2 | |
higher_then_treshold = any(ans.score > treshold for ans in answers) | |
if not higher_then_treshold: | |
st.markdown(f"<span style='color:red'>Please note none of the answers achieved a score higher then {int(treshold) * 100}%. Which probably means that the desired answer is not in the searched documents.</span>", unsafe_allow_html=True) | |
for count, answer in enumerate(answers): | |
if answer.answer: | |
text, context = answer.answer, answer.context | |
start_idx = context.find(text) | |
end_idx = start_idx + len(text) | |
score = round(answer.score, 3) | |
st.markdown(f"**Answer {count + 1}:**") | |
st.markdown( | |
context[:start_idx] + str(annotation(body=text, label=f'SCORE {score}', background='#964448', color='#ffffff')) + context[end_idx:], | |
unsafe_allow_html=True, | |
) | |
else: | |
st.info( | |
"π€ Haystack is unsure whether any of the documents contain an answer to your question. Try to reformulate it!" | |
) | |
# Handle Generative Answers | |
elif task_selection == 'Generative': | |
results = st.session_state.results_generative | |
st.subheader("Generated Answer:") | |
if 'results' in results: | |
st.markdown("**Answer:**") | |
st.write(results['results'][0]) | |
# Handle Retrieved Documents | |
if 'documents' in results: | |
retrieved_documents = results['documents'] | |
st.subheader("Retriever Results:") | |
data = [] | |
for i, document in enumerate(retrieved_documents): | |
# Truncate the content | |
truncated_content = (document.content[:150] + '...') if len(document.content) > 150 else document.content | |
data.append([i + 1, document.meta['name'], truncated_content]) | |
# Convert data to DataFrame and display using Streamlit | |
df = pd.DataFrame(data, columns=['Ranked Context', 'Document Name', 'Content']) | |
st.table(df) | |
except SystemExit as e: | |
os._exit(e.code) |