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import re
import pdfplumber
# remove not required things and clean the text
def clean_text(text):
# Remove HTML tags
text = re.sub(r'<[^>]*?>', '', text)
# Remove URLs
text = re.sub(r'http[s]?://(?:[a-zA-Z]|[0-9]|[$-_@.&+]|[!*\\(\\),]|(?:%[0-9a-fA-F][0-9a-fA-F]))+', '', text)
# Remove special characters
text = re.sub(r'[^a-zA-Z0-9 ]', '', text)
# Replace multiple spaces with a single space
text = re.sub(r'\s{2,}', ' ', text)
# Trim leading and trailing whitespace
text = text.strip()
# Remove extra whitespace
text = ' '.join(text.split())
return text
def extract_text_from_pdf(uploaded_file):
if uploaded_file is not None:
with pdfplumber.open(uploaded_file) as pdf:
pages = [page.extract_text() for page in pdf.pages]
return "\n".join(pages) if pages else ""
return "" |