utils.py 文件源码

def generate_http_error(status_code, exc_cls, exc_msg):
    """
    utitily function to generate a complete HTTP error response.
    :param status_code: The HTTP status code to generate a response for.
    :param exc_cls: The name of the exception class to send with the response.
    :param exc_msg: The error message.
    :returns: a web.py HTTP response object.
    """

    status = codes[status_code]
    data = {'ExceptionClass': exc_cls,
            'ExceptionMessage': exc_msg}
    # Truncate too long exc_msg
    if len(str(exc_msg)) > 15000:
        exc_msg = str(exc_msg)[:15000]
    headers = {'Content-Type': 'application/octet-stream',
               'ExceptionClass': exc_cls,
               'ExceptionMessage': clean_headers(exc_msg)}
    try:
        return HTTPError(status, headers=headers, data=render_json(**data))
    except:
        print {'Content-Type': 'application/octet-stream', 'ExceptionClass': exc_cls, 'ExceptionMessage': str(exc_msg).strip()}
        raise