utils.py 文件源码

def request_wants_json():
    """
    Returns true it the request header has 'application/json'.
    This is used to determine whether to return html or json content from
    the same endpoint
    """
    best = request.accept_mimetypes \
        .best_match(['application/json', 'text/html'])
    return best == 'application/json' and \
        request.accept_mimetypes[best] > \
        request.accept_mimetypes['text/html']


# some simple helpers. This probably doesn't belong in drift