pdns-qof-server/bin/rr-types.py

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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# Tool to dump in IANA RR DNS parameters in JSON or Python dict format
#
# Software is free software released under the "Modified BSD license"
#
# Copyright (c) 2013 Alexandre Dulaunoy - a@foo.be
import argparse
import csv
import json
import codecs
import urllib.request
#IANA format (CSV) is TYPE,Value,Meaning,Reference,Template,Registration Date
ianarrurl = "http://www.iana.org/assignments/dns-parameters/dns-parameters-4.csv"
argParser = argparse.ArgumentParser(description='Dump IANA DNS parameters in various formats')
argParser.add_argument('-d', action='store_true', help='Python dict')
argParser.add_argument('-j', action='store_true', default=True, help='JSON output (default format)')
argParser.add_argument('-i', action='store_false', default=True, help='Disable integer value RR check')
argParser.add_argument('-v', action='store_true', help='Verbose output')
args = argParser.parse_args()
rrset=[row for row in csv.DictReader(codecs.iterdecode(urllib.request.urlopen(ianarrurl),'utf-8'),fieldnames = ( "Type","Value","Meaning","Reference","Template","Registration Date" ))]
if args.i:
rri = []
for rr in rrset[1:]:
if rr['Value'].isdigit():
rri.append(rr)
rrset=rri
else:
rrset=rrset[1:]
if args.d:
print (rrset)
if args.j:
jsonout = json.dumps( rrset )
print (jsonout)