AttributeError at / 'dict' object 没有属性 '_mptt_meta'

Question

I try to build blog by using posts and MPTT comments, this will be in the home view www.mysite.com that's mean I cann't pass pk to the url so I tried to get the post objects using for loop

    comma = Post.objects.all()
    comm = []
    for post in comma:
        comment = PostCommentIDF.objects.filter(post=post)
        comm.append({"comme": comment}

   context = {'comment': comm,}
   return render(request, 'personal/home.html', context)

And my Mptt comment model

class PostCommentIDF(MPTTModel):
    post = models.ForeignKey(Post, on_delete=models.CASCADE,  related_name='pos_com')
    parent = TreeForeignKey('self', on_delete=models.CASCADE, null=True, blank=True, related_name='post_children')
    author = models.ForeignKey(Account, on_delete=models.CASCADE)
    content = models.TextField()
    created_date = models.DateTimeField(auto_now_add=True)
    status = models.BooleanField(default=True)
    likes = models.ManyToManyField(Account, blank=True, related_name='pos_com')

My Post Model

class Post(models.Model):
    author = models.ForeignKey(Account, on_delete=models.CASCADE)
    article = models.TextField(null=True, blank=True)
    photo_article = models.ImageField(max_length=255, upload_to=get_poster_filepath)

My mptt coments in the template

   {% recursetree comment %}
      <div id="{{ node.id }}" class="my-2 p-2" style="border: 0px solid grey">
          <div class="d-flex justify-content-between">
              {{ node.publish|naturaltime }}
              <div class="node-content mt-3">{{ node.content  }}</div>
          </div>
      </div>
   {% endrecursetree %}

Answer 1

comment in your template context is a list of dictionaries. It should be a list of PostCommentIDF instances. And you are doing multiple SQL queries which is really inefficient. use __in operator instead and use the queryset directly, it's iterable too:

comma = Post.objects.all()
comment = PostCommentIDF.objects.filter(post__in=comma)

context = {'comment': comment,}
return render(request, 'personal/home.html', context)