text: from django.contrib import sitemaps
  from django.urls import reverse
  from tutoriales.models import Tutorial
  from proyectos.models import Proyecto
  from cursos.models import Curso
  
  class StaticViewSitemap(sitemaps.Sitemap):
      priority = 0.5
      changefreq = 'daily'
  
      def items(self):
          return ['blog', 'tutoriales', 'cursos', 'proyectos']
  
      def location(self, item):
          return reverse(item)
  
  class TutorialSitemap(sitemaps.Sitemap):
      priority = 0.5
      changefreq = 'daily'
  
      def items(self):
          return Tutorial.objects.all()
  
  class ProyectoSitemap(sitemaps.Sitemap):
      priority = 0.5
      changefreq = 'daily'
  
      def items(self):
          return Proyecto.objects.all()
  
  class CursoSitemap(sitemaps.Sitemap):
      priority = 0.5
      changefreq = 'daily'
  
      def items(self):
          return Curso.objects.all()