change download name for files

import datetime

from django.utils.text import slugify

from django.db import models, connection

from django.contrib.auth.models import User, Group

import os

        self.ptr_project = self.project

        super(File, self).save(*args, **kwargs)

    @property

    def new_filename(self) -> str:

        """

        Get new filename computed from title.

        Tries to keep original extension.

        """

        _, extension = os.path.splitext(self.original_name)

        if not extension:

            extension = "." + self.file_type.extensions.first().label

        slugged_title = slugify(self.title)

        return slugged_title + extension

class Collection(models.Model):

    title = models.CharField("titre", max_length=256)

    return RangedFileResponse(

        request,

        open(file.local_path(), "rb"),

        filename=file.original_name,

        filename=file.new_filename,

        content_type=file.file_type.mime,

    )