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import justext | |
import streamlit as st | |
from lxml import etree | |
# import streamlit.components.v1 as components | |
# File Processing pkgs | |
from PIL import Image | |
import requests | |
# import xml.dom.minidom | |
from bs4 import BeautifulSoup | |
# import json | |
import docx2txt | |
# import textract | |
from PyPDF2 import PdfFileReader | |
import pdfplumber | |
import os | |
# ---- LOAD ASSETS ---- | |
img_page_icon = Image.open("./olive_webscrapping.jpg") | |
# Find more emojis here: https://www.webfx.com/tools/emoji-cheat-sheet/ | |
st.set_page_config(page_title="OdiaGenAI ", page_icon=img_page_icon, layout="wide") | |
# Load CSS file | |
def load_css(file_path): | |
with open(file_path) as f: | |
st.markdown(f"<style>{f.read()}</style>", unsafe_allow_html=True) | |
# Load CSS file | |
load_css('styles.css') | |
# ----- FUNCTIONS ---- | |
# function to check whether the url is a sitemap or not | |
def check_sitemap(url): | |
# Check the URL's ending | |
if url.lower().endswith(('sitemap.xml', 'sitemap_index.xml', 'sitemap')): | |
try: | |
# Parse the content as XML | |
response = requests.get(url) | |
xml_content = etree.fromstring(response.content) | |
# Check for sitemap-specific elements | |
if xml_content.tag == 'urlset' or xml_content.tag == 'sitemapindex': | |
return True | |
except etree.XMLSyntaxError: | |
pass | |
# Additional conditions for identifying sitemaps | |
if 'sitemap' in url.lower(): | |
# Perform additional checks specific to the website's structure or naming conventions | |
return True | |
return False | |
# function to get urls from the site map and extract those data | |
def extract_urls_from_sitemaps(xml_url): | |
# Make a GET request to the URL and extract the xml content | |
response = requests.get(xml_url) | |
soup = BeautifulSoup(response.text, 'xml') | |
extracted_urls = [] | |
# check if the sitemap contains nested sitemaps | |
sitemap_tags = soup.find_all('sitemap') | |
if sitemap_tags: | |
# Process nested sitemaps | |
for sitemap_tag in sitemap_tags: | |
print("sitemap_tags:" + sitemap_tag) | |
nested_url = sitemap_tag.find('loc').text | |
print('nested_url:', nested_url) | |
nested_urls = extract_urls_from_sitemaps(nested_url) | |
extracted_urls.extend(nested_urls) | |
else: | |
# Extract URLs from the current sitemap | |
loc_tags = soup.find_all('loc') | |
for loc_tag in loc_tags: | |
# if loc_tag.parent.name != 'image': | |
url = loc_tag.text | |
if url.endswith('.pdf') or url.endswith('.jpg') or url.endswith('.jpeg'): | |
print(f"url skipped because it is a {url.split('.')[-1]}") | |
else: | |
print('url:', url) | |
extracted_urls.append(url) | |
return extracted_urls | |
# function to check whether the entered url is valid | |
def valid_url(url): | |
try: | |
# Make a GET request to the URL and extract the text content | |
response = requests.get(url) | |
if response.status_code == 200: | |
return True | |
except requests.exceptions.RequestException as e: | |
return False | |
# function to create a custom stoplist for justext | |
def custom_stoplist(): | |
odia_stopwords = [ | |
"ଏହି", "ଏକ", "ଏକାଉଣଟ", "ମୁଁ", "ମୋର", "ମୁଁ ନିଜେ", "ଆମେ", "ଆମର", "ଆମର", "ଆମେ ନିଜେ", "ତୁମେ", "ତୁମର", "ତୁମର", | |
"ନିଜେ", "ନିଜେ", "ସେ", "ତାଙ୍କୁ", "ତାଙ୍କର", | |
"ନିଜେ", "ସେ", "ତାଙ୍କୁ", "ତାଙ୍କର", "ନିଜେ", "ଏହା", "ଏହାର", "ନିଜେ |", "ସେମାନେ", "ସେଗୁଡିକ", "ସେମାନଙ୍କର", | |
"ସେମାନଙ୍କର", "ନିଜେ |", "କଣ", "ଯାହା", "କିଏ", "କାହାକୁ", | |
"ଏହା", "ତାହା", "ଏଗୁଡ଼ିକ", "ସେଗୁଡ଼ିକ", "ମୁଁ", "ହେଉଛି", "ହେଉଛି |", "ଥିଲା", "ଥିଲା |", "ହୁଅ", "ହୋଇସାରିଛି |", "ହେବା", | |
"ଅଛି", "ଅଛି", "ଥିଲା", "ଅଛି", "କର", "କରେ |", | |
"କରିଛନ୍ତି", "କରିବା", "ଏବଂ", "କିନ୍ତୁ", "ଯଦି", "କିମ୍ବା", "କାରଣ", "ଯେପରି", "ପର୍ଯ୍ୟନ୍ତ", "ଯେତେବେଳେ", "ର", "ପାଇଁ", | |
"ସହିତ", "ବିଷୟରେ", "ବିପକ୍ଷରେ", "ମଧ୍ୟରେ", "ଭିତରକୁ", "ମାଧ୍ୟମରେ", | |
"ସମୟରେ", "ପୂର୍ବରୁ", "ପରେ", "ଉପରେ", "ନିମ୍ନରେ |", "କୁ", "ଠାରୁ", "ଅପ୍", "ତଳକୁ", "ଭିତରେ", "ବାହାରେ", "ଉପରେ", "ବନ୍ଦ", | |
"ସମାପ୍ତ", "ତଳେ |", "ପୁନର୍ବାର", "ଆଗକୁ", | |
"ତାପରେ", "ଥରେ |", "ଏଠାରେ", "ସେଠାରେ", "କେବେ", "କେଉଁଠାରେ", "କିପରି", "ସମସ୍ତ", "ଉଭୟ", "ପ୍ରତ୍ୟେକ", "ଅଳ୍ପ", "ଅଧିକ", | |
"ଅଧିକାଂଶ", "ଅନ୍ୟ", "କେତେକ", "ଏହିପରି", | |
"ନୁହେଁ |", "କେବଳ", "ନିଜର", "ସମାନ", "ତେଣୁ", "ଅପେକ୍ଷା", "ମଧ୍ୟ", "ବହୁତ", "କରିପାରିବେ |", "ଇଚ୍ଛା", "କେବଳ", | |
"କରିବା ଉଚିତ", "ବର୍ତ୍ତମାନ" | |
] | |
return frozenset(odia_stopwords) | |
# function to extract data from url using justext | |
def extract_data_from_url_(url): | |
response = requests.get(url) | |
response.raise_for_status() | |
page = response.content | |
data_url = "" | |
para = "" | |
paragraphs = justext.justext(page, custom_stoplist(), 70, 140, 0.0, 0.02, 0.5, 150, False) | |
for paragraph in paragraphs: | |
if not paragraph.is_boilerplate: | |
para = para + '\n' + paragraph.text | |
data_url = ('\n\nFrom url:' + url + '\n' + para + '\n') | |
return data_url | |
sitemap_data = "" | |
# function to get the text from pdf using PyPDF2 | |
def read_pdf(file): | |
pdfReader = PdfFileReader(file) | |
count = pdfReader.numPages | |
# all_page_text = "" | |
# for i in range(count): | |
# page = pdfReader.getPage(i) | |
# all_page_text += page.extractText() | |
# | |
# return all_page_text | |
return count | |
# function to run the enter button | |
def run_function(url, documents): | |
data = "" | |
# Check if the user has provided a URL | |
if url: | |
if valid_url(url): | |
data = extract_data_from_url_(url) | |
st.text_area("Extracted Text", value=data, height=200) | |
# return extract status, and the data extracted | |
return True, data | |
else: | |
return False, data | |
# Check if the user has provided a document | |
elif documents is not None: | |
for document in documents: | |
document_details = { | |
"filename": document.name, | |
"filetype": document.type, | |
"filesize": document.size | |
} | |
st.write(document_details) | |
# Extract content from the txt file | |
if document.type == "text/plain": | |
# Read as bytes | |
data += str(document.read(), "utf-8") | |
# Extract content from the pdf file | |
elif document.type == "application/pdf": | |
# using PyPDF2 | |
# data += read_pdf(document) | |
# using pdfplumber | |
try: | |
with pdfplumber.open(document) as pdf: | |
all_text = "" | |
for page in pdf.pages: | |
text = page.extract_text() | |
all_text += text + "\n" | |
data += all_text | |
except requests.exceptions.RequestException as e: | |
st.write("None") | |
# Extract content from the docx file | |
elif document.type == "application/vnd.openxmlformats-officedocument.wordprocessingml.document": | |
data += docx2txt.process(document) | |
# Display the extracted text content from file | |
st.write("attached") | |
st.text_area("Extracted Text", value=data, height=200) | |
# return extract status, and the data extracted | |
return True, data | |
else: | |
st.error("Error: An error occurred while fetching content.") | |
# return extract status, and the data extracted | |
return False, data | |
def main(): | |
# ---- HEADER SECTION ---- | |
with st.container(): | |
st.subheader("Hi!! :wave:") | |
st.write("##") | |
st.markdown("<h5 class='text'>OdiaGenAI is a collaborative initiative that conducts research on </h5>", | |
unsafe_allow_html=True) | |
st.markdown("<h5>Generative AI and LLM for the Odia Language.</h5>", unsafe_allow_html=True) | |
# st.title("Odia Generative AI") | |
st.markdown("<h1 class='title'>Odia Generative AI</h1>", unsafe_allow_html=True) | |
# ---- BODY SECTION ---- | |
with st.container(): | |
st.subheader("Collecting monolingual data (Odia or any Indic Languages)") | |
# dividing the body section into 3 columns for url, attach button and enter button | |
col1, col2, col3 = st.columns([0.6, 0.2, 0.2]) | |
# url/xml | |
with col1: | |
url_or_xml = st.text_input(label='', placeholder="Enter URL") | |
is_a_sitemap = check_sitemap(url_or_xml) | |
# attached files | |
with col2: | |
documents = st.file_uploader("", type=["pdf", "txt", "docx"], accept_multiple_files=True) | |
if not documents: | |
documents = None | |
else: | |
for doc in documents: | |
if doc.name.split(".")[-1].lower() not in ["pdf", "txt", "docx"]: | |
# if documents is not the relevant type | |
st.error("Unsupported file: " + doc.name) | |
# Initialize state of button Enter | |
with col3: | |
st.write('##') | |
if "button_enter" not in st.session_state: | |
st.session_state.button_enter = False | |
if st.button("Enter"): | |
st.session_state.button_enter = True | |
# st.write("session state true") | |
if "extracted" not in st.session_state: | |
st.session_state.extracted = False | |
data = "" | |
# the enter button | |
if st.session_state.button_enter: | |
# check if it is a sitemap or not | |
if is_a_sitemap: | |
if "Initial" not in st.session_state: | |
st.session_state.Initial = True | |
# check whether its the initial state | |
if st.session_state.Initial == True: | |
# print("\n\n\n\n1)Initial State", st.session_state.Initial, "\n\n\n\n\n") | |
xml = url_or_xml | |
st.write("It is a sitemap") | |
stored_sitemap_urls = extract_urls_from_sitemaps(xml) | |
print('\nno. of urls: ', len(stored_sitemap_urls)) | |
if stored_sitemap_urls: | |
print(stored_sitemap_urls) | |
for sitemap_url in stored_sitemap_urls: | |
if valid_url(sitemap_url): | |
print(sitemap_url) | |
# using justext to extract data | |
data = data + extract_data_from_url_(sitemap_url) | |
else: | |
st.error("Couldnt extract data from " + sitemap_url) | |
if "sitemap_data" not in st.session_state: | |
st.session_state.sitemap_data = data | |
# print("\n\n\nst.session.data ", st.session_state.sitemap_data) | |
# print("\n\n\n\nRUNNING \n\n\n\n") | |
st.session_state.Initial = False | |
print("\n\n\n\n2)Initial State", st.session_state.Initial, "\n\n\n\n\n") | |
st.session_state.extracted = True | |
# st.text_area("Extracted Text", value=st.session_state.sitemap_data, height=300) | |
else: | |
st.error("Error: Invalid sitemap.") | |
else: | |
url = url_or_xml | |
st.session_state.extracted, data = run_function(url, documents) | |
if st.session_state.extracted: | |
if is_a_sitemap: | |
st.text_area("Extracted Text", value=st.session_state.sitemap_data, height=300) | |
col1, col2 = st.columns([0.5, 0.5]) | |
with col1: | |
saved_button = False | |
if is_a_sitemap: | |
saved_data = st.session_state.sitemap_data | |
if st.download_button( | |
label="Save", | |
data=saved_data | |
): | |
saved_button = True | |
else: | |
if st.download_button( | |
label="Save", | |
data=data | |
): | |
saved_button = True | |
with col2: | |
if st.button("Clear"): | |
st.session_state.button_enter = False | |
st.session_state.Initial = True | |
st.session_state.extracted = False | |
if 'sitemap_data' in st.session_state: | |
del st.session_state['sitemap_data'] | |
st.session_state.button_enter = False | |
st.experimental_rerun() | |
if saved_button: | |
# Confirmation message | |
st.success(f"File saved successfully.") | |
else: | |
st.warning("Data not extracted") | |
if __name__ == "__main__": | |
main() | |