def index(request):
    context = {}
    template = loader.get_template('app/index.html')
    return HttpResponse(template.render(context, request))

def webbase_html(request):
    context = {}
    load_template = request.path.split('/')[-1]
    template = loader.get_template('app/' + load_template)
    return HttpResponse(template.render(context, request))`

from django import template
register = template.Library()
from app.templatetags.device_api import DeviceAPI
from requests.exceptions import ConnectTimeout

@register.simple_tag
def login_device(host, username, password):
    dev = DeviceAPI()
    try:
        dev.login(host, username, password)
        hname = dev.get_host_name()
        return hname
    except ConnectTimeout as error:
        return error

class DeviceAPI(object):
def __init__(self):
    self._https = True
    self._version = "Version is set when logged"
    self._session = requests.session()  # use single session
    self._session.verify = False

def formatresponse(self, res):
    resp = json.loads(res.content.decode('utf-8')
    return resp

def update_cookie(self):
    for cookie in self._session.cookies:
        if cookie.name == 'ccsrftoken':
            csrftoken = cookie.value[1:-1]  # token stored as a list
            self._session.headers.update({'X-CSRFTOKEN': csrftoken})

def login(self, host, username, password):
    self.host = host
    if self._https is True:
        self.url_prefix = 'https://' + self.host
    else:
        self.url_prefix = 'http://' + self.host
    url = self.url_prefix + '/logincheck'
    res = self._session.post(
        url,
        data='username=' + username + '&secretpass=' + password + "&ajax=1", timeout=10)

    if b"1document.location="/ng/prompt?viewOnly&redir" in res.content:
        self.update_cookie()
    else:
        raise Exception('login failed')

{% extends "app/base_site.html" %}
{% block title %} test {% endblock title %}
{% block stylesheets %}
  {{ block.super }}
{% endblock stylesheets %}

{% block content %}
{% load my_class %}
 <div class="right_col" role="main">
    <h3>Connected to</h3>
    <p>{% login_device "192.168.100.1" "user" "password" %}</p>
 </div>

{% endblock content %}
{% block javascripts %}
  {{ block.super}}
{% endblock javascripts %}