cors.py 文件源码

def cors_enabled(fn):
    fn.required_methods = getattr(fn, 'required_methods', set())
    fn.required_methods.add('OPTIONS')
    fn.provide_automatic_options = False
    @wraps(fn)
    def inner(*args, **kwargs):
        if request.method=='OPTIONS':
            resp=current_app.make_default_options_response()
        else:
            resp=fn(*args,**kwargs)
            resp=make_response(resp)
        return add_cors_headers(resp)
    return inner