The utility tool for copying all image files attached to the `django.db.models.ImageField` of the given model for the queryset.

copy_images_of_queryset.py

from shutil import copy2
from django.conf import settings
from django.db import models
import os


def get_image_paths(queryset):
    img_fields = [f.name for f in queryset.model._meta.fields if
                  isinstance(f, models.ImageField)]
    images = []
    for item in queryset:
        for field in img_fields:
            images.append(
                getattr(item, field).path
            )

    return images


def copy_images(src_path_list, dst_path, common_path=None):
    if not common_path:
        common_path = os.path.commonpath(src_path_list + [os.getcwd()])
    if not common_path[-1] == os.sep:
        common_path += os.sep
    assert os.path.isdir(common_path)

    for img_path in src_path_list:
        img_dst = os.path.join(dst_path, img_path.rpartition(common_path)[-1])
        os.makedirs(os.path.dirname(img_dst), exist_ok=True)
        print(copy2(img_path, img_dst))


def copy_images_of_queryset(queryset, dst_path):
    image_paths = get_image_paths(queryset)
    common_path = os.path.abspath(settings.MEDIA_ROOT)
    copy_images(image_paths, dst_path, common_path=common_path)