Python script using pydicom to load a DICOM image

DICOMHeaderInfo.py

import sys
import pydicom
import os
import traceback

def extract_dicom_headers(input_file_path, output_file_path):
    try:
        # Read the DICOM file
        ds = pydicom.dcmread(input_file_path)

        # Write headers to the output file
        with open(output_file_path, 'w') as f:
            f.write(str(ds))

        print(f"DICOM headers have been written to {output_file_path}")

    except pydicom.errors.InvalidDicomError:
        print(f"Error: {input_file_path} is not a valid DICOM file.")
    except FileNotFoundError:
        print(f"Error: File {input_file_path} not found.")
    except Exception as e:
        print(f"An error occurred: {repr(e)}")
        print("Traceback:")
        print(traceback.format_exc())

if __name__ == "__main__":
    if len(sys.argv) != 2:
        print("Usage: python script_name.py <path_to_dicom_file>")
        sys.exit(1)

    input_file_path = sys.argv[1]
    output_file_path = os.path.splitext(input_file_path)[0] + "_headers.txt"
    extract_dicom_headers(input_file_path, output_file_path)