Reorder images by EXIF date under same prefix

rename_images_to_list.py

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# coding:utf-8
#
# rename_images_to_list.py: Reorder images by EXIF date under same prefix
# Copyright (C) 2017 Víctor Fernández Rico <vfrico@gmail.com>
#
# Thanks to Denis Barmenkov <denis.barmenkov@gmail.com>, for the original idea
#    https://code.activestate.com/recipes/576646-exif-date-based-jpeg-files
#                                                        -rename-using-pil/
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

from PIL import Image
import os
import re
import sys
import time

def extract_time(image_file):
    if not os.path.isfile(image_file):
        return None

    im = Image.open(image_file)
    if hasattr(im, '_getexif'):
        exifdata = im._getexif()
        ctime = exifdata[0x9003]
        return ctime

    return None


def rename_list(image_list):
    all_images = []
    for image in image_list:
        all_images.append((image, extract_time(image)))

    reorder = sorted(all_images, key=lambda image: image[1])

    count = 1
    for image in reorder:
        new_path = rename_file(image[0], str(count), "EON")
        os.rename(image[0], new_path)
        count += 1


def rename_file(image_file, position, prefix):
    path, base = os.path.split(image_file)
    name, ext = os.path.splitext(base)
    new_name = "{0}_{1}{2}".format(prefix, position, ext)
    return os.path.join(path, new_name)

if __name__=='__main__':

    if len(sys.argv) > 1:
        path = sys.argv[1:]
        rename_list(path)
    else:
        help_ = ("Modo de empleo:\n"
                 "\t" + sys.argv[0] + ": images.jpg")
        print(help_)
        sys.exit(1)