"""
 $Id$

 This file is part of the py3dns project.
 Homepage: https://launchpad.net/py3dns

 This code is covered by the standard Python License. See LICENSE for details.

 Status values in message header
"""

NOERROR   = 0 #   No Error                           [RFC 1035]
FORMERR   = 1 #   Format Error                       [RFC 1035]
SERVFAIL  = 2 #   Server Failure                     [RFC 1035]
NXDOMAIN  = 3 #   Non-Existent Domain                [RFC 1035]
NOTIMP    = 4 #   Not Implemented                    [RFC 1035]
REFUSED   = 5 #   Query Refused                      [RFC 1035]
YXDOMAIN  = 6 #   Name Exists when it should not     [RFC 2136]
YXRRSET   = 7 #   RR Set Exists when it should not   [RFC 2136]
NXRRSET   = 8 #   RR Set that should exist does not  [RFC 2136]
NOTAUTH   = 9 #   Server Not Authoritative for zone  [RFC 2136]
NOTZONE   = 10 #  Name not contained in zone         [RFC 2136]
BADVERS   = 16 #  Bad OPT Version                    [RFC 2671]
BADSIG    = 16 #  TSIG Signature Failure             [RFC 2845]
BADKEY    = 17 #  Key not recognized                 [RFC 2845]
BADTIME   = 18 #  Signature out of time window       [RFC 2845]
BADMODE   = 19 #  Bad TKEY Mode                      [RFC 2930]
BADNAME   = 20 #  Duplicate key name                 [RFC 2930]
BADALG    = 21 #  Algorithm not supported            [RFC 2930]

# Construct reverse mapping dictionary

_names = dir()
statusmap = {}
for _name in _names:
    if _name[0] != '_': statusmap[eval(_name)] = _name

def statusstr(status):
    if status in statusmap: return statusmap[status]
    else: return repr(status)