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import openai
from PyPDF2 import PdfReader
import fitz
import os
class HeadingsExtractor:
def __init__(self):
"""
Extract headings from a given paragraph using OpenAI's GPT-3.
Args:
contract_page (str): The paragraph from which headings need to be extracted.
Returns:
str: Extracted headings.
"""
pass
def extarct_headings(self,contract_page: str) -> str:
"""
Extract headings from a given paragraph using OpenAI's GPT-3.
Args:
contract_page (str): The paragraph from which headings need to be extracted.
Returns:
str: Extracted headings.
"""
try:
#get response from openai api
response = openai.Completion.create(
engine="text-davinci-003",
prompt=f"""Extract Headings from given paragraph do not generate jsu extract the headings from paragraph.
```paragraph :{contract_page}```""",
max_tokens=100,
temperature=0
)
headings = response.choices[0].text.strip()
return headings
except Exception as e:
# If an error occurs during the key-value extraction process, log the error
print(f"Error while extracting headings: {str(e)}")
def extarct_text(self,pdf_file_path: str) -> str:
"""
Extract text from a PDF document and extract headings from each page.
Args:
pdf_file_path (str): Path to the PDF file to extract text from.
Returns:
str: Extracted headings from the PDF document.
"""
try:
# Open the multi-page PDF using PdfReader
print("path",pdf_file_path)
pdf = PdfReader(pdf_file_path.name)
headings = ''
# Extract text from each page and pass it to the process_text function
for page_number in range(len(pdf.pages)):
# Extract text from the page
page = pdf.pages[page_number]
text = page.extract_text()
# Pass the text to the process_text function for further processing
result = self.extarct_headings(text)
headings = headings + result
return headings
except Exception as e:
# If an error occurs during the key-value extraction process, log the error
print(f"Error while extracting text from PDF: {str(e)}")
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