feat: Initialize frontend with React, Vite, and Tailwind CSS
- Set up main entry point for React application. - Create About, Home, NotFound, Privacy, and Terms pages with SEO support. - Implement API service for file uploads and task management. - Add global styles using Tailwind CSS. - Create utility functions for SEO and text processing. - Configure Vite for development and production builds. - Set up Nginx configuration for serving frontend and backend. - Add scripts for cleanup of expired files and sitemap generation. - Implement deployment script for production environment.
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170
backend/app/services/pdf_service.py
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170
backend/app/services/pdf_service.py
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"""PDF conversion service using LibreOffice headless."""
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import os
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import subprocess
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import logging
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import tempfile
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logger = logging.getLogger(__name__)
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class PDFConversionError(Exception):
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"""Custom exception for PDF conversion failures."""
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pass
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def pdf_to_word(input_path: str, output_dir: str) -> str:
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"""
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Convert a PDF file to Word (DOCX) format using LibreOffice headless.
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Args:
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input_path: Path to the input PDF file
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output_dir: Directory for the output file
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Returns:
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Path to the converted DOCX file
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Raises:
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PDFConversionError: If conversion fails
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"""
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os.makedirs(output_dir, exist_ok=True)
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# Use a unique user profile per process to avoid lock conflicts
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user_install_dir = tempfile.mkdtemp(prefix="lo_pdf2word_")
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cmd = [
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"soffice",
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"--headless",
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"--norestore",
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f"-env:UserInstallation=file://{user_install_dir}",
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"--infilter=writer_pdf_import",
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"--convert-to", "docx",
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"--outdir", output_dir,
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input_path,
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]
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try:
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logger.info(f"Running LibreOffice PDF→Word: {' '.join(cmd)}")
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result = subprocess.run(
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cmd,
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capture_output=True,
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text=True,
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timeout=120, # 2 minute timeout
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env={**os.environ, "HOME": user_install_dir},
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)
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logger.info(f"LibreOffice stdout: {result.stdout}")
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logger.info(f"LibreOffice stderr: {result.stderr}")
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logger.info(f"LibreOffice returncode: {result.returncode}")
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# LibreOffice names output based on input filename
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input_basename = os.path.splitext(os.path.basename(input_path))[0]
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output_path = os.path.join(output_dir, f"{input_basename}.docx")
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# Check output file first — LibreOffice may return non-zero
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# due to harmless warnings (e.g. javaldx) even on success
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if os.path.exists(output_path) and os.path.getsize(output_path) > 0:
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logger.info(f"PDF→Word conversion successful: {output_path}")
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return output_path
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# No output file — now treat as real error
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if result.returncode != 0:
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# Filter out known harmless warnings
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stderr = result.stderr or ""
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real_errors = [
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line for line in stderr.strip().splitlines()
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if not line.startswith("Warning: failed to launch javaldx")
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]
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error_msg = "\n".join(real_errors) if real_errors else stderr
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logger.error(f"LibreOffice PDF→Word failed: {error_msg}")
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raise PDFConversionError(
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f"Conversion failed: {error_msg or 'Unknown error'}"
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)
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# Return code 0 but no output file
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files_in_dir = os.listdir(output_dir) if os.path.exists(output_dir) else []
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logger.error(
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f"Expected output not found at {output_path}. "
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f"Files in output dir: {files_in_dir}"
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)
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raise PDFConversionError("Output file was not created.")
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except subprocess.TimeoutExpired:
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raise PDFConversionError("Conversion timed out. File may be too large.")
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except FileNotFoundError:
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raise PDFConversionError("LibreOffice is not installed on the server.")
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finally:
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# Cleanup temporary user profile
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import shutil
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shutil.rmtree(user_install_dir, ignore_errors=True)
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def word_to_pdf(input_path: str, output_dir: str) -> str:
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"""
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Convert a Word (DOC/DOCX) file to PDF format using LibreOffice headless.
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Args:
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input_path: Path to the input Word file
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output_dir: Directory for the output file
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Returns:
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Path to the converted PDF file
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Raises:
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PDFConversionError: If conversion fails
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"""
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os.makedirs(output_dir, exist_ok=True)
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# Use a unique user profile per process to avoid lock conflicts
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user_install_dir = tempfile.mkdtemp(prefix="lo_word2pdf_")
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cmd = [
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"soffice",
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"--headless",
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"--norestore",
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f"-env:UserInstallation=file://{user_install_dir}",
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"--convert-to", "pdf",
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"--outdir", output_dir,
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input_path,
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]
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try:
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result = subprocess.run(
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cmd,
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capture_output=True,
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text=True,
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timeout=120,
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env={**os.environ, "HOME": user_install_dir},
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)
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input_basename = os.path.splitext(os.path.basename(input_path))[0]
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output_path = os.path.join(output_dir, f"{input_basename}.pdf")
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# Check output file first — LibreOffice may return non-zero
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# due to harmless warnings (e.g. javaldx) even on success
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if os.path.exists(output_path) and os.path.getsize(output_path) > 0:
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logger.info(f"Word→PDF conversion successful: {output_path}")
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return output_path
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if result.returncode != 0:
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stderr = result.stderr or ""
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real_errors = [
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line for line in stderr.strip().splitlines()
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if not line.startswith("Warning: failed to launch javaldx")
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]
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error_msg = "\n".join(real_errors) if real_errors else stderr
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logger.error(f"LibreOffice Word→PDF failed: {error_msg}")
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raise PDFConversionError(
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f"Conversion failed: {error_msg or 'Unknown error'}"
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)
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raise PDFConversionError("Output file was not created.")
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except subprocess.TimeoutExpired:
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raise PDFConversionError("Conversion timed out. File may be too large.")
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except FileNotFoundError:
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raise PDFConversionError("LibreOffice is not installed on the server.")
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finally:
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# Cleanup temporary user profile
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import shutil
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shutil.rmtree(user_install_dir, ignore_errors=True)
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