code: def find_all_templates(pattern='*.html', ignore_private=True):
      
      templates = []
      template_loaders = flatten_template_loaders(settings.TEMPLATE_LOADERS)
      for loader_name in template_loaders:
          module, klass = loader_name.rsplit('.', 1)
          if loader_name in (
              'django.template.loaders.app_directories.Loader',
              'django.template.loaders.filesystem.Loader',
          ):
              loader_class = getattr(import_module(module), klass)
              if getattr(loader_class, '_accepts_engine_in_init', False):
                  loader = loader_class(Engine.get_default())
              else:
                  loader = loader_class()
              for dir in loader.get_template_sources(''):
                  for root, dirnames, filenames in os.walk(dir):
                      for basename in filenames:
                          if ignore_private and basename.startswith("_"):
                              continue
                          filename = os.path.join(root, basename)
                          rel_filename = filename[len(dir)+1:]
                          if fnmatch.fnmatch(filename, pattern) or \
                             fnmatch.fnmatch(basename, pattern) or \
                             fnmatch.fnmatch(rel_filename, pattern):
                              templates.append(rel_filename)
          else:
              LOGGER.debug('%s is not supported' % loader_name)
      return sorted(set(templates))
docs: Finds all Django templates matching given glob in all TEMPLATE_LOADERS
  
      :param str pattern: `glob <http://docs.python.org/2/library/glob.html>`_
                          to match
  
      .. important:: At the moment egg loader is not supported.