code: def configure_urls(apps, index_view=None, prefixes=None):
      '''
      Configure urls from a list of apps.
      '''
      prefixes = prefixes or {}
      urlpatterns = patterns('')
  
      if index_view:
          from django.views.generic.base import RedirectView
          urlpatterns += patterns('',
              url(r'^$', RedirectView.as_view(pattern_name=index_view, permanent=False)),
          )
  
      for app_name in apps:
          app_module = importlib.import_module(app_name)
          if module_has_submodule(app_module, 'urls'):
              module = importlib.import_module("%s.urls" % app_name)
              if not hasattr(module, 'urlpatterns'):
                  # Resolver will break if the urls.py file is completely blank.
                  continue
              app_prefix = prefixes.get(app_name, app_name.replace("_","-"))
              urlpatterns += patterns(
                  '',
                  url(
                      r'^%s/' % app_prefix if app_prefix else '',
                      include("%s.urls" % app_name),
                  ),
              )
  
  
      return urlpatternf configure_urls(apps, index_view=None, prefixes=None):
      '''
      Configure urls from a list of apps.
      '''
      prefixes = prefixes or {}
      urlpatterns = patterns('')
  
      if index_view:
          from django.views.generic.base import RedirectView
          urlpatterns += patterns('',
              url(r'^$', RedirectView.as_view(pattern_name=index_view, permanent=False)),
          )
  
      for app_name in apps:
          app_module = importlib.import_module(app_name)
          if module_has_submodule(app_module, 'urls'):
              module = importlib.import_module("%s.urls" % app_name)
              if not hasattr(module, 'urlpatterns'):
                  # Resolver will break if the urls.py file is completely blank.
                  continue
              app_prefix = prefixes.get(app_name, app_name.replace("_","-"))
              urlpatterns += patterns(
                  '',
                  url(
                      r'^%s/' % app_prefix if app_prefix else '',
                      include("%s.urls" % app_name),
                  ),
              )
  
  
      return urlpatterns
docs: Configure urls from a list of apps.