File size: 5,840 Bytes
93ee3ba
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
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",
        examples=[
            ["/path/to/sample1.docx"],
            ["/path/to/sample2.doc"]
        ]
    )
    
    return interface

# Launch the Gradio app
if __name__ == "__main__":
    app = create_gradio_interface()
    app.launch(share=True)