rawpy

import rawpy import imageio.v3 as iio import os # Create a dummy RAW file for demonstration (replace with your .CR2, .NEF, etc.) # In a real scenario, you would have an actual RAW image file. dummy_raw_content = b'\x00' * 1024 # Not a real RAW, but allows the code to run without file not found dummy_raw_filename = 'dummy.nef' with open(dummy_raw_filename, 'wb') as f: f.write(dummy_raw_content) path = dummy_raw_filename try: # Load a RAW file using the context manager for resource safety with rawpy.imread(path) as raw: # Postprocess the RAW image to an RGB NumPy array # Uses default parameters for demosaicing, white balance, etc. rgb = raw.postprocess() # Save the postprocessed image using imageio (requires 'imageio' installed) output_filename = 'default.tiff' iio.imwrite(output_filename, rgb) print(f"Image saved to {output_filename}") # Example: Save as 16-bit linear image rgb_16bit = raw.postprocess(gamma=(1,1), no_auto_bright=True, output_bps=16) output_filename_16bit = 'linear.tiff' iio.imwrite(output_filename_16bit, rgb_16bit) print(f"16-bit linear image saved to {output_filename_16bit}") except rawpy.LibRawFileUnsupportedError: print(f"Error: '{path}' is not a supported RAW file format, or it's corrupted/incomplete.") except Exception as e: print(f"An unexpected error occurred: {e}") finally: # Clean up dummy file if os.path.exists(dummy_raw_filename): os.remove(dummy_raw_filename)