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import streamlit as st
import pandas as pd
import re
import tensorflow as tf
from nltk.corpus import stopwords
from nltk.tokenize import word_tokenize
from tensorflow.keras.preprocessing.text import Tokenizer
from tensorflow.keras.preprocessing.sequence import pad_sequences
from tensorflow.keras.models import load_model
import nltk
# Use /tmp for NLTK data (writable in Hugging Face Spaces)
nltk_data_dir = "/tmp/nltk_data"
nltk.data.path.append(nltk_data_dir)
# Download the stopwords and punkt resources
nltk.download('stopwords', download_dir=nltk_data_dir)
nltk.download('punkt', download_dir=nltk_data_dir)
# Load the trained model
model = load_model('src/model.keras')
# Load stopwords
stpwds_id = list(set(stopwords.words('english')))
# Text preprocessing function
def text_preprocessing(text):
# Case folding
text = text.lower()
# Mention removal
text = re.sub("@[A-Za-z0-9_]+", " ", text)
# Hashtags removal
text = re.sub("#[A-Za-z0-9_]+", " ", text)
# Newline removal (\n)
text = re.sub(r"\\n", " ",text)
# Whitespace removal
text = text.strip()
# URL removal
text = re.sub(r"http\S+", " ", text)
text = re.sub(r"www.\S+", " ", text)
# Non-letter removal (such as emoticons, symbols, etc.)
text = re.sub("[^A-Za-z\s']", " ", text)
# Tokenization
tokens = word_tokenize(text)
# Stopwords removal
tokens = [word for word in tokens if word not in stpwds_id]
# Combining Tokens
text = ' '.join(tokens)
return text
# Define the Streamlit interface
st.title('Sentiment Analysis App')
# Get user input
user_input = st.text_area("Enter the text for sentiment analysis:")
if st.button('Analyze'):
if user_input:
# Preprocess the input text
processed_text = text_preprocessing(user_input)
prediction = model.predict([[processed_text]])
sentiment = "Positive" if prediction[0] > 0.5 else "Negative"
# Display the result
st.write(f"Sentiment: {sentiment}")
else:
st.write("Please enter some text.")
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