def load(parser, token):
    bits = token.contents.split()
    for taglib in bits[1:]:
        # add the library to the parser
        try:
            lib = get_library(taglib)
            parser.add_library(lib)
        except InvalidTemplateLibrary, e:
            raise TemplateSyntaxError("'%s' is not a valid tag library: %s" %
                                      (taglib, e))
    return LoadNode()
Loads a custom template tag set.
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/_internal/django/template/defaulttags.py/load