OpenDroneMap-WebODM/app/models/image_upload.py

from .task import Task, assets_directory_path
from django.db import models
from django.utils.translation import gettext_lazy as _

def image_directory_path(image_upload, filename):
    return assets_directory_path(image_upload.task.id, image_upload.task.project.id, filename)


class ImageUpload(models.Model):
    task = models.ForeignKey(Task, on_delete=models.CASCADE, help_text=_("Task this image belongs to"), verbose_name=_("Task"))
    image = models.ImageField(upload_to=image_directory_path, help_text=_("File uploaded by a user"), max_length=512, verbose_name=_("Image"))

    def __str__(self):
        return self.image.name

    def path(self):
        return self.image.path

    class Meta:
        verbose_name = _("Image Upload")
        verbose_name_plural = _("Image Uploads")