text: # Wrapper for loading templates from eggs via pkg_resources.resource_string.
  
  try:
      from pkg_resources import resource_string
  except ImportError:
      resource_string = None
  
  from django.template import TemplateDoesNotExist
  from django.template.loader import BaseLoader
  from django.conf import settings
  
  class Loader(BaseLoader):
      is_usable = resource_string is not None
  
      def load_template_source(self, template_name, template_dirs=None):
          """
          Loads templates from Python eggs via pkg_resource.resource_string.
  
          For every installed app, it tries to get the resource (app, template_name).
          """
          if resource_string is not None:
              pkg_name = 'templates/' + template_name
              for app in settings.INSTALLED_APPS:
                  try:
                      return (resource_string(app, pkg_name).decode(settings.FILE_CHARSET), 'egg:%s:%s' % (app, pkg_name))
                  except:
                      pass
          raise TemplateDoesNotExist(template_name)
  
  _loader = Loader()
  
  def load_template_source(template_name, template_dirs=None):
      import warnings
      warnings.warn(
          "'django.template.loaders.eggs.load_template_source' is deprecated; use 'django.template.loaders.eggs.Loader' instead.",
          PendingDeprecationWarning
      )
      return _loader.load_template_source(template_name, template_dirs)
  load_template_source.is_usable = resource_string is not None
  