# Send the PDF as a response return send_file( pdf_buffer, as_attachment=True, attachment_filename='example.pdf', mimetype='application/pdf' ) except Exception as e: # Handle exceptions (e.g., "love breaks") app.logger.error(f"Error generating PDF: {e}") return "Failed to generate PDF", 500
# Save the PDF in memory pdf_buffer = BytesIO() pdf_writer.write(pdf_buffer) pdf_buffer.seek(0)
for page_num in range(len(pdf_reader.pages)): pdf_writer.add_page(pdf_reader.pages[page_num]) love breaks and restores pdf download author
finally: # Cleanup or restoration code can go here if needed pass
import tenacity
@app.route('/download_pdf', methods=['GET']) @tenacity.retry(wait=tenacity.wait_exponential(multiplier=1, min=4, max=10)) def download_pdf(): # Your function here... This example provides a basic framework. Depending on your specific needs and the complexity of your application, you'll want to tailor your approach to ensure resilience and proper error handling.
pip install tenacity And then decorate your functions: # Send the PDF as a response return
app = Flask(__name__)
from flask import Flask, send_file from io import BytesIO from PyPDF2 import PdfReader, PdfWriter pip install tenacity And then decorate your functions:
# Example route to create and download a PDF @app.route('/download_pdf', methods=['GET']) def download_pdf(): try: # Create a PDF in memory pdf_writer = PdfWriter() pdf_reader = PdfReader('example.pdf') # Use an existing PDF