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#!/usr/bin/env python2
""" Zones of domain name space
See section 6.1.2 of RFC 1035 and section 4.2 of RFC 1034.
Instead of tree structures we simply use dictionaries from domain names to
zones or record sets.
These classes are merely a suggestion, feel free to use something else.
"""
class Catalog(object):
""" A catalog of zones """
def __init__(self):
""" Initialize the catalog """
self.zones = {}
def add_zone(self, name, zone):
""" Add a new zone to the catalog
Args:
name (str): root domain name
zone (Zone): zone
"""
self.zones[name] = zone
class Zone(object):
""" A zone in the domain name space """
def __init__(self):
""" Initialize the Zone """
self.records = {}
def add_node(self, name, record_set):
""" Add a record set to the zone
Args:
name (str): domain name
record_set ([ResourceRecord]): resource records
"""
self.records[name] = record_set
def read_master_file(self, filename):
""" Read the zone from a master file
See section 5 of RFC 1035.
Args:
filename (str): the filename of the master file
"""
pass
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