Class NoNameservers

dns/resolver.py:206–228

All nameservers failed to answer the query. errors: list of servers and respective errors The type of errors is [(server IP address, any object convertible to string)]. Non-empty errors list will add explanatory message ()

class NoNameservers(dns.exception.DNSException):
    """All nameservers failed to answer the query.

    errors: list of servers and respective errors
    The type of errors is
    [(server IP address, any object convertible to string)].
    Non-empty errors list will add explanatory message ()
    """

    msg = "All nameservers failed to answer the query."
    fmt = f"{msg[:-1]} {{query}}: {{errors}}"
    supp_kwargs = {"request", "errors"}

    # We do this as otherwise mypy complains about unexpected keyword argument
    # idna_exception
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)

    def _fmt_kwargs(self, **kwargs):
        srv_msgs = _errors_to_text(kwargs["errors"])
        return super()._fmt_kwargs(
            query=kwargs["request"].question, errors="; ".join(srv_msgs)
        )


class NotAbsolute(dns.exception.DNSException):