url_map Map Rule static file endpoint static build_only True def expos

url_map = Map([Rule('/static/<file>', endpoint='static', build_only=True)])

def expose(rule, **kw):
    def decorate(f):
        kw['endpoint'] = f.__name__
        url_map.add(Rule(rule, **kw))
        return f
    return decorate

def url_for(endpoint, _external=False, **values):
    return local.url_adapter.build(endpoint, values, force_external=_external)
jinja_env.globals['url_for'] = url_for