How to use the zeroconf.DNSEntry function in zeroconf

def toString(self, hdr, other):
        """String representation with additional information"""
        result = "%s[%s,%s" % (hdr, self.getType(self.type),
            self.getClazz(self.clazz))
        if self.unique:
            result += "-unique,"
        else:
            result += ","
        result += self.name
        if other is not None:
            result += ",%s]" % (other)
        else:
            result += "]"
        return result

class DNSQuestion(DNSEntry):
    """A DNS question entry"""

    def __init__(self, name, type, clazz):
        #if not name.endswith(".local."):
        #    raise NonLocalNameException
        DNSEntry.__init__(self, name, type, clazz)

    def answeredBy(self, rec):
        """Returns true if the question is answered by the record"""
        return (self.clazz == rec.clazz and
                (self.type == rec.type or self.type == _TYPE_ANY) and
                self.name == rec.name)

    def __repr__(self):
        """String representation"""
        return DNSEntry.toString(self, "question", None)

#if not name.endswith(".local."):
        #    raise NonLocalNameException
        DNSEntry.__init__(self, name, type, clazz)

    def answeredBy(self, rec):
        """Returns true if the question is answered by the record"""
        return (self.clazz == rec.clazz and
                (self.type == rec.type or self.type == _TYPE_ANY) and
                self.name == rec.name)

    def __repr__(self):
        """String representation"""
        return DNSEntry.toString(self, "question", None)


class DNSRecord(DNSEntry):
    """A DNS record - like a DNS entry, but has a TTL"""
    
    def __init__(self, name, type, clazz, ttl):
        DNSEntry.__init__(self, name, type, clazz)
        self.ttl = ttl
        self.created = currentTimeMillis()

    def __eq__(self, other):
        """Tests equality as per DNSRecord"""
        return isinstance(other, DNSRecord) and DNSEntry.__eq__(self, other)

    def suppressedBy(self, msg):
        """Returns true if any answer in a message can suffice for the
        information held in this record."""
        for record in msg.answers:
            if self.suppressedByAnswer(record):

def __eq__(self, other):
        """Equality test on name, type, and class"""
        return (isinstance(other, DNSEntry) and
                self.name == other.name and
                self.type == other.type and
                self.clazz == other.clazz)

def toString(self, hdr, other):
        """String representation with additional information"""
        result = "%s[%s,%s" % (hdr, self.getType(self.type),
            self.getClazz(self.clazz))
        if self.unique:
            result += "-unique,"
        else:
            result += ","
        result += self.name
        if other is not None:
            result += ",%s]" % (other)
        else:
            result += "]"
        return result

class DNSQuestion(DNSEntry):
    """A DNS question entry"""
    
    def __init__(self, name, type, clazz):
        #if not name.endswith(".local."):
        #    raise NonLocalNameException
        DNSEntry.__init__(self, name, type, clazz)

    def answeredBy(self, rec):
        """Returns true if the question is answered by the record"""
        return (self.clazz == rec.clazz and
                (self.type == rec.type or self.type == _TYPE_ANY) and
                self.name == rec.name)

    def __repr__(self):
        """String representation"""
        return DNSEntry.toString(self, "question", None)

def getByDetails(self, name, type, clazz):
        """Gets an entry by details.  Will return None if there is
        no matching entry."""
        entry = DNSEntry(name, type, clazz)
        return self.get(entry)

def __eq__(self, other):
        """Equality test on name, type, and class"""
        return (isinstance(other, DNSEntry) and
                self.name == other.name and
                self.type == other.type and
                self.clazz == other.clazz)

def toString(self, other):
        """String representation with addtional information"""
        arg = "%s/%s,%s" % (self.ttl,
            self.getRemainingTTL(currentTimeMillis()), other)
        return DNSEntry.toString(self, "record", arg)

def __repr__(self):
        """String representation"""
        return DNSEntry.toString(self, "question", None)