https://nomade.kr/vod/#comment-3516747121 질문에 대한 답변 코드

sample_cbv_filter.py

from django.views.generic import ListView
from .models import Post

class PostListView(ListView):
    model = Post

    def get_queryset(self):
        self.q = self.request.GET.get('q', '')

        qs = super().get_queryset()
        if self.q:
            qs = qs.filter(title__icontains=self.q)
        return qs

    def get_context_data(self, **kwargs):
        context = super().get_context_data(**kwargs)
        context['q'] = self.q
        return context