import os
import subprocess
import tempfile
import uuid
from flask import Flask, request, send_file, jsonify, render_template_string
from werkzeug.utils import secure_filename
from flask_cors import CORS
app = Flask(__name__)
CORS(app)
# HTML template for simple UI
HTML_TEMPLATE = '''
Word to PDF Converter
📄 Word to PDF Converter
Convert Word documents to PDF instantly for free
.DOC.DOCX.TXT.ODT
📤
Click to upload Word file
or drag and drop
Max size: 50MB
No file chosen
API Usage:
Endpoint:POST /convert
Example (curl):
curl -X POST -F "file=@document.docx" {{ url_for('convert_word_to_pdf') }} --output output.pdf
'''
@app.route('/')
def home():
return render_template_string(HTML_TEMPLATE)
@app.route('/api/help')
def api_help():
return jsonify({
"endpoints": {
"GET /": "Web interface",
"POST /convert": "Convert Word to PDF (returns PDF file)",
"GET /api/help": "This help message",
"GET /api/health": "Health check"
},
"supported_formats": [".doc", ".docx", ".txt", ".odt"],
"max_file_size": "50MB",
"example_curl": "curl -X POST -F 'file=@document.docx' https://shuvo108-convertfilling.hf.space/convert --output output.pdf"
})
@app.route('/api/health')
def health_check():
return jsonify({
"status": "healthy",
"service": "word-to-pdf-converter",
"version": "1.0.0"
})
@app.route('/convert', methods=['POST'])
def convert_word_to_pdf():
if 'file' not in request.files:
return 'No file uploaded', 400
file = request.files['file']
if file.filename == '':
return 'No file selected', 400
# Check file extension
allowed_ext = ['.doc', '.docx', '.txt', '.odt']
if not any(file.filename.lower().endswith(ext) for ext in allowed_ext):
return 'File type not supported. Use: .doc, .docx, .txt, .odt', 400
# Check file size (50MB limit)
file.seek(0, 2) # Seek to end
file_size = file.tell()
file.seek(0) # Reset to beginning
if file_size > 50 * 1024 * 1024:
return 'File too large. Max 50MB', 400
with tempfile.TemporaryDirectory() as tmpdir:
# Save uploaded file
input_path = os.path.join(tmpdir, secure_filename(file.filename))
file.save(input_path)
# Generate output filename
base_name = os.path.splitext(file.filename)[0]
pdf_filename = f"{base_name}_converted.pdf"
output_path = os.path.join(tmpdir, pdf_filename)
try:
# Try LibreOffice first
libreoffice_paths = ['/usr/bin/libreoffice', '/usr/local/bin/libreoffice']
for libreoffice in libreoffice_paths:
if os.path.exists(libreoffice):
cmd = [
libreoffice,
'--headless',
'--convert-to', 'pdf',
'--outdir', tmpdir,
input_path
]
result = subprocess.run(cmd, capture_output=True, text=True, timeout=30)
if result.returncode == 0:
# Find the generated PDF
for f in os.listdir(tmpdir):
if f.endswith('.pdf'):
generated_pdf = os.path.join(tmpdir, f)
os.rename(generated_pdf, output_path)
break
if os.path.exists(output_path):
return send_file(
output_path,
as_attachment=True,
download_name=pdf_filename,
mimetype='application/pdf'
)
# Fallback: if LibreOffice failed
return 'Conversion failed. Please try a different file.', 500
except subprocess.TimeoutExpired:
return 'Conversion timeout. File might be too large or complex.', 500
except Exception as e:
return f'Error: {str(e)}', 500
if __name__ == '__main__':
port = int(os.environ.get('PORT', 7860))
app.run(host='0.0.0.0', port=port, debug=False)