File size: 2,486 Bytes
0cb01bf | 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 | # PDF Translation Performance Improvements
## Issue Identified
The coordinate-based PDF translation was taking too long (over 15 minutes) because:
1. **Inefficient Text Processing**: Processing 12,000+ individual characters instead of words/phrases
2. **Slow PDF Creation**: No timeout handling for the PDF creation process
3. **Resource Intensive**: Creating individual text elements for each character
## Improvements Made
### 1. Optimized Text Extraction
- **Before**: Processing individual characters (12,000+ elements)
- **After**: Processing words/phrases for better performance
- **Benefit**: Dramatically reduces processing time
### 2. Timeout Handling
- **Added**: 5-minute timeout for PDF creation process
- **Added**: 2-minute timeout for LibreOffice conversions
- **Benefit**: Prevents hanging and provides clear error messages
### 3. Hybrid Approach
- **New Method**: [translate_pdf_with_formatting()](file://d:\New\hugging%20face\tr%200.1\translator.py#L276-L338) now uses a hybrid approach:
1. Extract structured text with layout information
2. Convert to DOCX to preserve document structure
3. Translate the DOCX using existing robust methods
4. Convert back to PDF with original filename
- **Benefit**: Better balance between formatting preservation and performance
### 4. Fallback Mechanisms
- **Enhanced**: Better error handling and fallback to previous methods
- **Benefit**: Ensures translation completes even if optimal method fails
## Performance Improvements
### Before
- 12,000+ individual character processing
- No timeout handling
- Could hang indefinitely
- Very slow for large documents
### After
- Word/phrase level processing
- 5-minute timeout for PDF creation
- 2-minute timeout for conversions
- Fallback to proven methods
- Much faster processing
## Error Handling
### Timeout Errors
When operations take too long:
```
PDF creation timed out after 5 minutes
```
### Clear Error Messages
Users now receive specific error messages instead of indefinite waiting.
## Testing
You can verify the timeout mechanism with:
```bash
python test_timeout.py
```
## Benefits
1. **Faster Processing**: Significantly reduced processing time
2. **Reliable**: Timeout handling prevents hanging
3. **User-Friendly**: Clear error messages
4. **Robust**: Multiple fallback mechanisms
5. **Maintained Quality**: Still preserves document formatting
## Usage
The system automatically uses the improved approach. No changes needed to your workflow. |