temp code

import OpenEXR
import Imath
import os

def extract_metadata_from_exr(filename, metadata_key):
    """Extract metadata from an EXR file."""
    exr_file = OpenEXR.InputFile(filename)
    header = exr_file.header()
    return header[metadata_key]

def get_average_render_time(directory, prefix, extension=".exr"):
    """Get average render time from a sequence of EXR files."""
    total_time = 0.0
    count = 0

    # Loop over files in directory
    for file in os.listdir(directory):
        if file.startswith(prefix) and file.endswith(extension):
            full_path = os.path.join(directory, file)
            render_time = extract_metadata_from_exr(full_path, "exr/renderTime_s")

            if isinstance(render_time, float): # Ensure the metadata is a float
                total_time += render_time
                count += 1

    return total_time / count if count != 0 else None

directory = "."  # current directory
prefix = "image." # prefix for your sequence

average_time = get_average_render_time(directory, prefix)
if average_time:
    print(f"Average render time: {average_time} seconds")
else:
    print("No EXR files with the specified prefix found or missing metadata.")