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models.py

class Category(MPTTModel):
    name = models.CharField(max_length=100)
    slug = models.SlugField(max_length=200, unique=True)
    parent = models.ForeignKey('self', blank=True, null=True, related_name='child')
    image = models.ImageField(upload_to='gfx/category/image/', blank=True, null=True)
    hidden = models.BooleanField(default=1)
    created = models.DateTimeField(auto_now_add=True)
    changed = models.DateTimeField(auto_now=True)

class MPTTMeta:
    order_insertion_by = ['name',]

私の見解:

categories = Category.tree.filter(level__lte=1)

テンプレートのツリーの最初のレベルで「作成済み」で注文します - どうすればいいですか? 私は試した:

categories = Category.tree.filter(level__lte=1).order_by('-created')

助けてください...

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