Detailview with form mixing

from django.shortcuts import render, get_object_or_404, redirect
from django.views.generic.detail import DetailView
from django.views.generic.edit import FormMixin
from .models import Post, Comment
from .forms import CommentForm


class ParticularPost(FormMixin, DetailView):
    template_name='blog/post.html'
    model = Post
    form_class = CommentForm

    def get_success_url(self):
        return reverse('post_detail', kwargs={'pk': self.object.id})

    def get_context_data(self, **kwargs):
        context = super(ParticularPost, self).get_context_data(**kwargs)
        context['form'] = CommentForm(initial={'post': self.object})
        return context

    def post(self, request, *args, **kwargs):
        self.object = self.get_object()
        form = self.get_form()
        if form.is_valid():
            return self.form_valid(form)
        else:
            return self.form_invalid(form)

    def form_valid(self, form):
        form.save()
        return super(ParticularPost, self).form_valid(form)

Source: stackoverflow.com

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