util.py 文件源码

def jsonpify(f):
    """Wrap JSONified output for JSONP."""
    @wraps(f)
    def decorated_function(*args, **kwargs):
        callback = request.args.get('callback', False)
        if callback:
            content = str(callback) + '(' + str(f(*args, **kwargs).data) + ')'
            return current_app.response_class(content,
                                              mimetype='application/javascript')
        else:
            return f(*args, **kwargs)
    return decorated_function