decorators.py 文件源码

def jsonp(func):
    """
    Wraps JSONified output for JSONP requests.
    """

    @wraps(func)
    def decorated_function(*args, **kwargs):
        callback = request.args.get('callback', False)
        if callback:
            data = str(func(*args, **kwargs).data)
            content = str(callback) + '(' + data + ')'
            mimetype = 'application/javascript'
            return current_app.response_class(
                content,
                mimetype=mimetype
            )
        else:
            return func(*args, **kwargs)

    return decorated_function