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import streamlit as st
import re
from cleantext import clean
import streamlit.components.v1 as component
from transformers import pipeline
from functions import Copy_Text
from functions import *
# page settings
st.set_page_config(
layout="wide",
initial_sidebar_state="collapsed"
)
### insert external css
def insert_css(css_file:str):
with open(css_file) as f:
st.markdown(f"<style>{f.read()}</style>",unsafe_allow_html=True)
# app settings css
insert_css("css_files/app.css")
# sidebar
app_sidebar = st.sidebar
with app_sidebar:
select_mode = st.selectbox(
label="Select Mode",
options=["Summarizer","Que/Ans"],
key="mode selector",
index=0
)
if select_mode == "Que/Ans":
st.write("### Que/Ans Settings")
max_answer_length = st.slider(
label="Max answer",
min_value=1,
max_value=10,
key="max answer",
value=4
)
max_answer_length = max_answer_length*10
Best_size = st.slider(
label="n best size",
min_value=1,
max_value=10,
key="best size",
value=5
)
# initilize session state
if 'summary' not in st.session_state:
st.session_state.summary = []
app_col = st.columns([2,8,2])
with app_col[1]:
if select_mode == "Summarizer":
st.write("## Text Summarizer")
elif select_mode == "Que/Ans":
st.write("## 📚 Text Question Answering")
#################### question answering ####################
if select_mode == "Que/Ans":
app_c = st.columns([2,8,2])
with app_c[0]:
pass
with app_c[1]:
# Inject custom CSS to place the chat input at the bottom
st.markdown(
"""
<style>
/* Fix the chat input box at the bottom */
div[data-testid="stChatInput"] {
position: fixed;
bottom: 0;
margin-bottom: 36px;
}
</style>
""",
unsafe_allow_html=True
)
# Load model
qa_pipeline = pipeline("question-answering", model="deepset/roberta-base-squad2")
# Initialize session state
if "messages" not in st.session_state:
st.session_state.messages = []
# User inputs context
context = st.text_area("📜 Enter Text Hear", "", height=200)
context = Text_Cleaning(context)
# Display chat history
for message in st.session_state.messages:
with st.chat_message(message["role"]):
st.markdown(message["content"])
if context:
user_input = st.chat_input("💬 Ask a question ",)
if user_input:
with st.chat_message("user"):
st.markdown(user_input)
st.session_state.messages.append({"role": "user", "content": user_input})
with st.spinner("🤔 Thinking..."):
response = qa_pipeline({"question": user_input, "context": context},
max_answer_len=max_answer_length, n_best_size=Best_size)
answer = response["answer"]
with st.chat_message("assistant"):
st.markdown(f"{answer}")
st.session_state.messages.append({"role": "assistant", "content": f"{answer}"})
# Clear chat history button
if st.button("🗑️ Clear Chat"):
st.session_state.messages = []
st.rerun()
############ summarizer ###########
app_sum_col = st.columns([2,8,2])
# add session state
if 'summary' not in st.session_state:
st.session_state.summary = []
with app_sum_col[1]:
if select_mode == "Summarizer":
Text_input = st.text_area(label="📜 Enter Text Hear",key="Summarizer input",height=220)
Text_input = Text_Cleaning(Text_input)
if Text_input.strip() != "":
st.session_state.summary = []
value_func = lambda x: x * 0.3
# max length
max_tokens = st.slider(
label="Max Length",
key="max length",
min_value=1,
max_value=len(Text_input.split()),
value=int(value_func(len(Text_input.split())))
)
if st.button(label="📄 Generate Summary "):
try:
summarizer = pipeline("summarization", model="facebook/bart-large-cnn")
st.session_state.summary = summarizer(
Text_input,
max_length=max_tokens+20,
min_length=max_tokens,
do_sample=False
)
except Exception as e:
st.warning(f"Error...\n{e}",icon="⚠️")
if st.session_state.summary:
with st.spinner("Generating Summary..."):
st.write("### Summary")
generated_summary = st.session_state.summary[0]['summary_text']
st.write(generated_summary)
Copy_Text(generated_summary) |