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import gradio as gr
import os
from docx2pdf import convert
import subprocess
from platform import system
import logging
from pathlib import Path
class WordToPDFConverter:
"""
A cross-platform Word to PDF converter that preserves formatting and hyperlinks.
Uses docx2pdf for Windows/Mac and LibreOffice for Linux.
"""
def __init__(self):
self.platform = system()
self.logger = self._setup_logger()
# Verify LibreOffice installation on Linux
if self.platform == "Linux":
self._verify_libreoffice()
def _setup_logger(self):
"""Set up logging configuration."""
logger = logging.getLogger('WordToPDFConverter')
logger.setLevel(logging.INFO)
if not logger.handlers:
handler = logging.StreamHandler()
formatter = logging.Formatter('%(asctime)s - %(levelname)s - %(message)s')
handler.setFormatter(formatter)
logger.addHandler(handler)
return logger
def _verify_libreoffice(self):
"""Verify LibreOffice is installed on Linux systems."""
try:
subprocess.run(['libreoffice', '--version'],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
except FileNotFoundError:
raise SystemError(
"LibreOffice is required for Linux systems. "
"Please install it using: sudo apt-get install libreoffice"
)
def _convert_with_libreoffice(self, input_path, output_path=None):
"""Convert Word to PDF using LibreOffice (for Linux)."""
input_path = Path(input_path).absolute()
if output_path:
output_path = Path(output_path).absolute()
else:
output_path = input_path.with_suffix('.pdf')
# Ensure output directory exists
output_path.parent.mkdir(parents=True, exist_ok=True)
cmd = [
'libreoffice',
'--headless',
'--convert-to',
'pdf',
'--outdir',
str(output_path.parent),
str(input_path)
]
try:
process = subprocess.run(
cmd,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
text=True
)
if process.returncode != 0:
raise Exception(f"LibreOffice conversion failed: {process.stderr}")
# LibreOffice creates PDF with the same name in the output directory
created_pdf = output_path.parent / input_path.with_suffix('.pdf').name
# Rename if a specific output path was requested
if output_path.name != created_pdf.name:
created_pdf.rename(output_path)
return str(output_path)
except Exception as e:
self.logger.error(f"Error during LibreOffice conversion: {str(e)}")
raise
def convert_to_pdf(self, input_path, output_path=None):
"""
Convert a Word document to PDF while preserving formatting and hyperlinks.
Args:
input_path (str): Path to the input Word document
output_path (str, optional): Path for the output PDF
Returns:
str: Path to the created PDF file
"""
input_path = os.path.abspath(input_path)
if not os.path.exists(input_path):
raise FileNotFoundError(f"Word document not found: {input_path}")
if output_path:
output_path = os.path.abspath(output_path)
else:
output_path = os.path.splitext(input_path)[0] + '.pdf'
try:
if self.platform == "Linux":
self.logger.info(f"Converting {input_path} using LibreOffice...")
return self._convert_with_libreoffice(input_path, output_path)
else:
self.logger.info(f"Converting {input_path} using docx2pdf...")
convert(input_path, output_path)
return output_path
except Exception as e:
self.logger.error(f"Conversion failed: {str(e)}")
raise
def convert_word_to_pdf(input_file):
"""
Gradio-friendly wrapper for Word to PDF conversion.
Args:
input_file (str): Path to the uploaded Word document
Returns:
str: Path to the converted PDF file
"""
try:
converter = WordToPDFConverter()
# Generate a unique output filename
output_file = os.path.splitext(input_file)[0] + '.pdf'
# Convert the file
pdf_path = converter.convert_to_pdf(input_file, output_file)
return pdf_path
except Exception as e:
raise gr.Error(f"Conversion failed: {str(e)}")
# Create Gradio Interface
def create_gradio_interface():
"""
Create a Gradio interface for Word to PDF conversion.
Returns:
gr.Interface: Configured Gradio interface
"""
interface = gr.Interface(
fn=convert_word_to_pdf,
inputs=gr.File(label="Upload Word Document", type="filepath", file_types=['.doc', '.docx']),
outputs=gr.File(label="Download PDF"),
title="Word to PDF Converter",
description="Upload a Word document and convert it to PDF while preserving formatting and hyperlinks.",
theme="soft"
)
return interface
# Launch the Gradio app
if __name__ == "__main__":
app = create_gradio_interface()
app.launch(share=True) |