Files
WizardMerge/scripts/ocr_pages.py
2025-12-25 08:18:08 +00:00

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2.4 KiB
Python
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#!/usr/bin/env python3
"""Extract text from page images using OCR and save as a markdown document.
Dependencies:
pip install pillow pytesseract
System requirements:
tesseract-ocr (install via: sudo apt-get install tesseract-ocr)
"""
from pathlib import Path
import pytesseract
from PIL import Image
def ocr_pages(pages_dir: Path, output_file: Path) -> None:
"""Perform OCR on all page images and create a single document."""
pages_dir = pages_dir.resolve()
if not pages_dir.exists():
raise FileNotFoundError(f"Pages directory not found: {pages_dir}")
# Get all PNG files sorted by number
def get_page_number(path: Path) -> int:
"""Extract page number from filename, defaulting to 0 if not found."""
try:
return int(path.stem.split("_")[-1])
except (ValueError, IndexError):
return 0
image_files = sorted(pages_dir.glob("*.png"), key=get_page_number)
if not image_files:
raise ValueError(f"No PNG files found in {pages_dir}")
print(f"Found {len(image_files)} page images to process...")
full_text = []
full_text.append("# WizardMerge Research Paper\n")
full_text.append("*Extracted via OCR from paper pages*\n\n")
full_text.append("---\n\n")
for idx, image_file in enumerate(image_files, start=1):
print(f"Processing page {idx}/{len(image_files)}: {image_file.name}")
try:
# Open image and perform OCR
img = Image.open(image_file)
text = pytesseract.image_to_string(img)
# Add page separator and text
full_text.append(f"## Page {idx}\n\n")
full_text.append(text.strip())
full_text.append("\n\n---\n\n")
except Exception as e:
print(f" Error processing {image_file.name}: {e}")
full_text.append(f"## Page {idx}\n\n")
full_text.append(f"*[OCR Error: {e}]*\n\n")
full_text.append("---\n\n")
# Write output
output_file.write_text("".join(full_text))
print(f"\nOCR complete! Output written to: {output_file}")
print(f"Total pages processed: {len(image_files)}")
if __name__ == "__main__":
pages_dir = Path(__file__).parent.parent / "docs" / "pages"
output_file = Path(__file__).parent.parent / "docs" / "PAPER.md"
ocr_pages(pages_dir, output_file)