old_contents: from keepsimplecms.models import (Route,
                                    View as ViewModel)
  from keepsimplecms.node import View
  from keepsimplecms.node.factory import NodeFactory
  from keepsimplecms.utils import PlaceHolder
  from keepsimplecms.exceptions import SetupException
  
  
  def declare_routes(config):
      session = PlaceHolder.get('session')
  
      # retrieve routes
      routes = session.query(Route).all()
  
      # retrieve views of all routes
      routes_views = [route.view for route in routes]
      views = session.query(ViewModel) \
          .filter(ViewModel.name.in_(routes_views)) \
          .all()
  
      # create nodess
      nodes = {}
      for view in views:
          nodes[view.name] = NodeFactory().create_from(model=view)().pop()
  
      # add routes
      for route in session.query(Route).all():
          try:
              view = nodes[route.view]
          except KeyError, e:
              raise SetupException('The view %s has not been found.' % route.view)
  
          config.add_route(
              route.name,
              pattern=route.pattern,
              view=nodes[route.view]
          )
  
      ### Declare Backoffice views and routes
  
      # backoffice_views = {
      #     'BackOfficeHome': {
      #         'type': 'View',
      #         'template': 'templates/views/backoffice/home.html',
      #         'pattern': '/backoffice'
      #     }
      # }
  
      # for name, params in backoffice_views.items():
      #     nodes[name] = View.create(
      #         name=name,
      #         template=params['template'],
      #         scope={'layout': 'templates/layouts/backoffice/base.html'}
      #     )
  
      #     # split on upper case chars
      #     import re
      #     route_name = re.sub(r'([a-z])([A-Z])', r'\1-\2', name)
  
      #     config.add_route(
      #         route_name,
      #         pattern=params['pattern'],
      #         view=nodes[name]
      #     )
  
      #     config.add_static_view('static/backoffice',
      #         'backoffice:static/backoffice', cache_max_age=3600)
  
  
new_contents: from keepsimplecms.models import (Route,
                                    View as ViewModel)
  from keepsimplecms.node import View
  from keepsimplecms.node.factory import NodeFactory
  from keepsimplecms.utils import PlaceHolder
  from keepsimplecms.exceptions import SetupException
  
  
  def declare_routes(config):
      session = PlaceHolder.get('session')
  
      # retrieve routes
      routes = session.query(Route).all()
  
      # retrieve views of all routes
      routes_views = [route.view for route in routes]
      views = session.query(ViewModel) \
          .filter(ViewModel.name.in_(routes_views)) \
          .all()
  
      # create nodes
      nodes = {}
      for view in views:
          nodes[view.name] = NodeFactory().create_from(model=view)().pop()
  
      # add routes
      for route in session.query(Route).all():
          try:
              view = nodes[route.view]
          except KeyError, e:
              raise SetupException('The view %s has not been found.' % route.view)
  
          config.add_route(
              route.name,
              pattern=route.pattern,
              view=nodes[route.view]
          )
  
      ### Declare Backoffice views and routes
  
      # backoffice_views = {
      #     'BackOfficeHome': {
      #         'type': 'View',
      #         'template': 'templates/views/backoffice/home.html',
      #         'pattern': '/backoffice'
      #     }
      # }
  
      # for name, params in backoffice_views.items():
      #     nodes[name] = View.create(
      #         name=name,
      #         template=params['template'],
      #         scope={'layout': 'templates/layouts/backoffice/base.html'}
      #     )
  
      #     # split on upper case chars
      #     import re
      #     route_name = re.sub(r'([a-z])([A-Z])', r'\1-\2', name)
  
      #     config.add_route(
      #         route_name,
      #         pattern=params['pattern'],
      #         view=nodes[name]
      #     )
  
      #     config.add_static_view('static/backoffice',
      #         'backoffice:static/backoffice', cache_max_age=3600)
  
  
subject: Fix comment.