# Add your tests here

if __name__ == "__main__":
    import os

    import pytest

    pytest.main([os.path.abspath(__file__)])

# --------------------------------------------------------------------------------
# Start of Source Code from: /home/ywatanabe/proj/scitex-code/src/scitex/io/_metadata_modules/read_metadata_png.py
# --------------------------------------------------------------------------------
# #!/usr/bin/env python3
# # -*- coding: utf-8 -*-
# # File: /home/ywatanabe/proj/scitex-code/src/scitex/io/_metadata_modules/read_metadata_png.py
#
# """PNG metadata reading from tEXt chunks."""
#
# import json
# from typing import Any, Dict, Optional
#
# from PIL import Image
#
#
# def read_metadata_png(image_path: str) -> Optional[Dict[str, Any]]:
#     """
#     Read metadata from a PNG file.
#
#     Args:
#         image_path: Path to the PNG file.
#
#     Returns:
#         Dictionary containing metadata, or None if no metadata found.
#     """
#     metadata = None
#     img = Image.open(image_path)
#     try:
#         if hasattr(img, "info") and "scitex_metadata" in img.info:
#             metadata_json = img.info["scitex_metadata"]
#             try:
#                 metadata = json.loads(metadata_json)
#             except json.JSONDecodeError:
#                 # Metadata exists but is not valid JSON
#                 metadata = {"raw": metadata_json}
#     finally:
#         img.close()
#
#     return metadata
#
#
# # EOF

# --------------------------------------------------------------------------------
# End of Source Code from: /home/ywatanabe/proj/scitex-code/src/scitex/io/_metadata_modules/read_metadata_png.py
# --------------------------------------------------------------------------------
