Контроллер DetailView

class PmDetailView(DetailView):
    model = ProjectModel
    def get_context_data(self, *args, **kwargs):
        context = super().get_context_data(*args, **kwargs)
        context['sections'] = Section.objects.all()
        return context

from django.urls import path
 
from .views import index, by_section
 
from .views import PmCreateView, PmDetailView
 
urlpatterns = [
    path('add/', PmCreateView.as_view(), name='add'),
    path('<int:section_id>/', by_section, name='by_section'),
    path('detail/<int:pk>/', PmDetailView.as_view(), name='detail'),
    path('', index, name='index'),

{% extends "layout/basic.html" %}
 
{% block title %}{{ pm.title }}{% endblock %}
 
{% block content %}
<p>Рубрика: {{ current_section.name }}</p>
<h2>{{ pm.title }}</h2>
<p>{{ pm.summary }}</p>
<p>{{ pm.description }}</p>
<p><a href="{{ pm.url }}">{{ pm.url }}</a></p>
<p>{{ pm.published|date:"d.m.Y H:i:s" }}</p>
{% endblock %}

<h2><a href="{% url 'detail' pk=pm.pk %}">{{ pm.title }}</a></h2> - ссылка в шаблоне

{% extends "layout/basic.html" %}
 
{% block content %}
{% for pm in pms %}
<div class="b">
    <h2><a href="{% url 'detail' pk=pm.pk %}">{{ pm.title }}</a></h2>
    <p>{{ pm.summary }}</p>
    <p>{{ pm.description }}</p>
    <p><a href="{{ pm.url }}">{{ pm.url }}</a></p>
</div>
{% endfor %}
<div>
    {% if page.has_previous %}
    <a href="?page={{ page.previous_page_number }}">&lt;</a>
    &nbsp;&nbsp;|&nbsp;&nbsp;
    {% endif %}
    Страница {{ page.number }} из {{ page.paginator.num_pages }}
    {% if page.has_next %}
    &nbsp;&nbsp;|&nbsp;&nbsp;
    <a href="?page={{ page.next_page_number }}">&gt;</a>
    {% endif %}
</div
{% endblock %}