from typing import Tuple
import io
import markdown
from xhtml2pdf import pisa
from config import config
# Get configured logger
logger = config.get_logger(__name__)
def convert_markdown_to_pdf(markdown_content: str, page_title: str) -> Tuple[bytes, str]:
"""
Convert Markdown content to PDF format.
Args:
markdown_content: The Markdown content to convert
page_title: The title of the page for the PDF document
Returns:
Tuple[bytes, str]: PDF content as bytes and suggested filename
Raises:
Exception: If PDF conversion fails
"""
try:
logger.info(f"Converting markdown to PDF for page: {page_title}")
# Convert Markdown to HTML
md = markdown.Markdown(extensions=['tables', 'fenced_code', 'toc'])
html_content = md.convert(markdown_content)
# Create a complete HTML document with basic styling
html_document = f"""
{page_title}
{html_content}
"""
# Create PDF from HTML
output = io.BytesIO()
pisa_status = pisa.CreatePDF(html_document, dest=output)
if pisa_status.err:
logger.error(f"PDF conversion failed with errors: {pisa_status.err}")
raise Exception("Failed to generate PDF from markdown content")
pdf_content = output.getvalue()
output.close()
# Generate filename
from app import sanitize_filename
safe_filename = sanitize_filename(page_title)
filename = f"{safe_filename}.pdf"
logger.info(f"Successfully converted markdown to PDF: {filename}")
return pdf_content, filename
except Exception as e:
logger.error(f"Error converting markdown to PDF: {str(e)}")
raise Exception(f"PDF conversion failed: {str(e)}")