Resolving views from other views and template tags

templatetag.py

# e.g. in myapp/templatetags/myapp_extras.py
from __future__ import absolute_import, unicode_literals
from django import template
from patterntests.views import SomePartial

register = template.Library()

def somepartial(context):
    someview = SomePartial()
    res = someview.get(context.get('request'))
    return res.content

register.simple_tag(takes_context=True)(somepartial)

views.py

from django.core.urlresolvers import reverse, resolve
from django.shortcuts import render
from django.utils.safestring import mark_safe
from django.views.generic.base import View


class SomePartial(View):                          # /myapp/partials/somepartial/
    """ A view providing partial content.
    """
    def get(self, request):
        return render(request, 'patterntests/_partial.html', {})


class SomeView(View):                                         # /myapp/someview/
    """ Including the partial content by calling get on `SomePartial`.
    """
    def get(self, request):
        someview = SomePartial()
        res = someview.get(request)
        ctx = {
            'partial_content': mark_safe(res.content)
        }
        return render(request, 'patterntests/test.html', ctx)


class AnotherView(View):                                   # /myapp/anotherview/
    """ Including the partial by resolving its through its url.
    """
    def get(self, request):
        rev = reverse('patterntests:somepartial')
        view, vargs, vkwargs = resolve(rev)
        vkwargs['request'] = request
        res = view(*vargs, **vkwargs)

        ctx = {
            'partial_content': mark_safe(res.content)
        }

        return render(request, 'patterntests/test.html', ctx)