app.py 文件源码

def support_jsonp(f):
    """
    Wraps JSONified output for JSONP
    https://gist.github.com/richardchien/7b7c2727feb3e8993845a3ce61bad808
    """

    @wraps(f)
    def decorated_function(*args, **kwargs):
        callback = request.args.get('callback', False)
        if callback:
            content = str(callback) + '(' + f(*args, **kwargs).data.decode('utf-8') + ')'
            return current_app.response_class(content, mimetype='application/json')
        else:
            return f(*args, **kwargs)

    return decorated_function