code: def load_module(self, module):
          
          if isinstance(module, basestring) and module.find('.') > -1:
              a = module.split('.')
              module = ('.%s' % a[-1], '.'.join(a[:-1]))
          try:
              module = import_module(*module)
          except Exception, e:
              return e
          
          for name in dir(module):
              if name.startswith('_'): continue
              obj = getattr(module, name)
              if callable(obj):
                  for tag in settings.TAG_TYPES:
                      if hasattr(obj, tag) and getattr(obj, tag) in (1, True):
                          name = getattr(obj, 'name', obj.__name__)
                          if name in self[tag]:
                              continue
                          if hasattr(obj, 'name'):
                              self.register(tag, getattr(obj, 'name'), obj)
                          else:
                              self.register(tag, obj)
docs: Load a module string like django.contrib.markup.templatetags.markup into the registry
          Iterates through the module looking for callables w/ attributes matching Native Tags