Drag-and-drop files from Windows Explorer on to this batch script to rename photos using EXIF data

rename_photos.bat

@echo off
C:\Users\jing\anaconda3\python.exe "C:\Users\jing\AppData\Local\Microsoft\WindowsApps\rename_photos.py" %*
pause

rename_photos.py

import sys
import os
from PIL import Image
from datetime import datetime

LOG_FILE = "rename_log.txt"

def get_exif_datetime(file_path):
    """Extract the datetime from EXIF data if available."""
    try:
        image = Image.open(file_path)
        exif_data = image._getexif()
        if exif_data:
            date_time_original = exif_data.get(36867)  # Tag for DateTimeOriginal
            if date_time_original:
                return datetime.strptime(date_time_original, '%Y:%m:%d %H:%M:%S')
    except Exception as e:
        print(f"Error reading EXIF data from {file_path}: {e}")
    return None

def rename_file(file_path, new_name):
    """Rename the file to the new name."""
    directory, _ = os.path.split(file_path)
    new_path = os.path.join(directory, new_name)
    os.rename(file_path, new_path)
    return new_path

def log_rename(original, new):
    """Log the renaming for potential undo."""
    with open(LOG_FILE, "a") as log:
        log.write(f"{original} -> {new}\n")

def undo_rename():
    """Undo renaming by reading the log file."""
    if not os.path.exists(LOG_FILE):
        print("No log file found. Nothing to undo.")
        return

    with open(LOG_FILE, "r") as log:
        lines = log.readlines()

    for line in reversed(lines):
        try:
            original, new = line.strip().split(" -> ")
            if os.path.exists(new):
                os.rename(new, original)
                print(f"Reverted: {new} -> {original}")
            else:
                print(f"File not found for undo: {new}")
        except Exception as e:
            print(f"Error reverting: {line.strip()} - {e}")

    # Clear the log file after undo
    open(LOG_FILE, "w").close()
    print("Undo complete. Log cleared.")

def main():
    # Check if undo mode is requested
    if len(sys.argv) > 1 and sys.argv[1] == "--undo":
        undo_rename()
        return

    # Get arguments
    args = sys.argv[1:]
    if not args:
        print("Drag and drop files onto this script to rename them.")
        print("Use --undo to revert the last renaming operation.")
        return

    # Optional prefix
    prefix = "photo-"
    if args[0].startswith("--prefix="):
        prefix = args[0].split("=", 1)[1]
        args = args[1:]

    sequential_number = 1

    for file_path in args:
        if not os.path.isfile(file_path):
            print(f"Skipping non-file: {file_path}")
            continue

        original_path = file_path

        # Get EXIF datetime
        date_time = get_exif_datetime(file_path)

        if date_time:
            # Rename using EXIF datetime
            new_name = date_time.strftime("%Y%m%d-%H%M%S") + os.path.splitext(file_path)[1]
        else:
            # Rename using prefix and sequential number
            new_name = f"{prefix}{sequential_number:04d}" + os.path.splitext(file_path)[1]
            sequential_number += 1

        try:
            new_path = rename_file(file_path, new_name)
            log_rename(original_path, new_path)
            print(f"Renamed: {original_path} -> {new_path}")
        except Exception as e:
            print(f"Error renaming {file_path}: {e}")

if __name__ == "__main__":
    main()