NEF2PNGPlus.py

import os
import subprocess
import time
from tkinter import filedialog

NEFnames = []
global irfanviewPath


def getNEFnames(folder_path):
    files = [f for f in os.listdir(folder_path) if os.path.isfile(os.path.join(folder_path, f))]
    NEFfiles = [f for f in files if f.endswith(".NEF")]
    return NEFfiles


def convertNEFtoPNG(fileList, input_folder, output_folder):
    if isinstance(fileList, list):
        possible_path = "C:\Program Files (x86)\IrfanView\i_view32.exe", "C:\Program Files (x86)\IrfanView\i_view64.exe", "C:\Program Files\IrfanView\i_view32.exe", "C:\Program Files\IrfanView\i_view64.exe"

        for path in possible_path:
            if os.path.isfile(path) and os.path.exists(path):
                irfanviewPath = path

        try:
            irfanviewPath
        except:
            irfanviewPath = select_irfan_folder()

        do_converting(fileList, input_folder, output_folder, irfanviewPath)


def main():
    input_folder = select_input_folder()

    if not input_folder:
        print("No input folder selected.")

    print("Input folder selected: " + input_folder)

    output_folder = select_output_folder()
    if not output_folder:
        print("No output folder selected.")

    print("Output folder selected: " + output_folder)

    NEFnames = getNEFnames(input_folder)
    if not NEFnames:
        print("Warning: No NEF files found in the selected input folder.")

    print("Trying to convert " + str(len(NEFnames)) + " files")

    convertNEFtoPNG(NEFnames, input_folder, output_folder)

    print("Successfully Finished Converting")
    time.sleep(2)


def select_input_folder():
    """Select the input folder using a file dialog"""
    input_folder = filedialog.askdirectory(title="Select Input Folder").replace('/', '\\')
    return input_folder


def select_output_folder():
    """Select the output folder using a file dialog"""
    output_folder = filedialog.askdirectory(title="Select Output Folder").replace('/', '\\')
    return output_folder


def select_irfan_folder():
    """Select the output folder using a file dialog"""

    irfanviewPath = filedialog.askopenfile(title="Select Irfan Folder").name
    print(irfanviewPath)
    return irfanviewPath


def do_converting(fileList, input_folder, output_folder, irfanviewPath):
    for f in fileList:
        input_path = os.path.join(input_folder, f)
        output_path = os.path.join(output_folder, os.path.splitext(f)[0] + " Converted.png")
        print("Converting:", input_path)
        for x in range(len(fileList)):
            try:
                subprocess.run([irfanviewPath, input_path, '/convert=',
                                output_path])
            except:
                print("Issue found when attempting to convert " + input_path)


if __name__ == '__main__':
    main()