login.html

{% extends "base/main.html" %}{% load staticfiles bootstrap %}
{% block header %}
{% endblock %}
{% block content %}
<div id="login-form" class="vcenter">
<div class="container-fluid">
  <form method="POST" enctype="multipart/form-data" autocomplete="off">
  {% csrf_token %}
    <div class="col-xs-10 col-xs-offset-1 col-sm-6 col-sm-offset-3 col-lg-4 col-lg-offset-4">
      <div class="panel panel-default">
        <div class="panel-heading">
          <strong> Inicio de Sesión</strong>
        </div>
        <div class="panel-body">
          <form role="form" action="#" method="POST">
            <fieldset>
              <div class="row">
                <div class="center-block">
                  <img class="profile-img" src="{% static 'img/photo.png' %}" alt="">
                </div>
              </div>
              <div class="row">

                <div class="col-xs-12 col-sm-10 col-sm-offset-1 col-lg-12 col-lg-offset-0">
                  <div class="form-group">
                    <div class="input-group">
                      <span class="input-group-addon">
                        <i class="glyphicon glyphicon-user"></i>
                      </span>
                      {{ login_form.user | bootstrap_inline }}

                    </div>
                    <span class="text-danger">{{ login_form.user.errors }}</span>
                  </div>
                  <div class="form-group">
                    <div class="input-group">
                      <span class="input-group-addon">
                        <i class="glyphicon glyphicon-lock"></i>
                      </span>
                      {{ login_form.password | bootstrap_inline }}
                    </div>
                    <span class="text-danger">{{ login_form.password.errors }}</span>
                  </div>
                   {% if messages %}
                    <ul class="text-danger">
                      {% for message in messages %}
                        <li>{{ message }}</li>
                      {% endfor %}
                    </ul>
                  {% endif %}
                  <div class="form-group">
                    <input type="submit" class="btn btn-lg btn-primary btn-block" value="Ingresar">
                  </div>

                </div>
              </div>
            </fieldset>
          </form>
        </div>
        <div class="panel-footer ">
          &copy; Powered by <a href="">Familia Albitres</a>
        </div>
      </div>
    </div>
  </form>
</div>
</div>
{% endblock %}
{% block footer %}
{% endblock %}

urls.py

# coding=utf-8

from django.conf import settings
from django.conf.urls import patterns, include, url
from django.conf.urls.static import static
from django.contrib import admin

from erp.apps.main.views import HomeView, login_view, logout_view

urlpatterns = patterns(
    '',
    url(r'^$', HomeView.as_view(), name='home'),
    url(r'^login$', login_view, name='login'),
    url(r'^logout$', logout_view, name='logout'),
    url(r'^admin/', include('erp.apps.main.urls')),
    url(r'^djadmin/', include(admin.site.urls)),
)

view_mixins.py

# -*- coding: utf-8 -*-

from django.contrib.auth.decorators import login_required
from django.views.generic import (
    ListView as dj_ListView, DetailView as dj_DetailView,
    CreateView as dj_CreateView, DeleteView as dj_DeleteView,
    TemplateView as dj_TemplateView, RedirectView as dj_RedirectView,

)


class LoginRequiredMixin(object):
    @classmethod
    def as_view(cls, **initkwargs):
        view = super(LoginRequiredMixin, cls).as_view(**initkwargs)
        return login_required(view)


class ERPBaseMixin(LoginRequiredMixin):
    nav = ""
    sub_nav = ""

    def get_context_data(self, **kwargs):
        context = super(ERPBaseMixin, self).get_context_data(**kwargs)
        if self.nav:
            context['nav'] = self.nav

        if self.sub_nav:
            context['sub_nav'] = self.sub_nav

        return context


class ListView(ERPBaseMixin, dj_ListView):
    pass


class DetailView(ERPBaseMixin, dj_DetailView):
    pass


class CreateView(ERPBaseMixin, dj_CreateView):
    pass


class DeleteView(ERPBaseMixin, dj_DeleteView):
    pass


class TemplateView(ERPBaseMixin, dj_TemplateView):
    pass


class RedirectView(ERPBaseMixin, dj_RedirectView):
    pass

views.py

# coding=utf-8

from .views_mixins import TemplateView, RedirectView
from django.template.response import TemplateResponse
from django.shortcuts import redirect
from django.contrib import messages

from django.contrib.auth import authenticate, login as auth_login, logout as auth_logout

from .forms import LoginForm


class HomeView(RedirectView):
    """ Ruta principal / que redirecciona a la vista que corresponda al usuario """
    pattern_name = 'dashboard'


class MainDashboardView(TemplateView):
    """ Vista de Escritorio Principal """
    template_name = 'base/dashboard.html'
    nav = "main_dashboard"


def login_view(request):
    """ Procesa la autenticación del usuario """

    login_form = LoginForm(request.POST or None)
    if request.method.upper() == 'POST' and login_form.is_valid():
        usuario = request.POST['user']
        clave = request.POST['password']
        user = authenticate(username=usuario, password=clave)

        if user is not None:
            if user.is_active:
                auth_login(request, user)
                return redirect('dashboard')  # return redirect('dashboard')

            else:
                messages.error(request, u'El usuario no está activo')
        else:
            messages.error(request, u'Usuario y/o contraseña no coinciden')
    # else:
    #     messages.error(request, u'Un error ha ocurrido. Intente nuevamente')

    data = {'login_form': login_form}
    return TemplateResponse(request, 'base/login.html', data)


def logout_view(request):
    """ Cierra la sesión del usuario """

    auth_logout(request)
    return redirect('login')