Source code for designate.objects.rrdata_txt

# Copyright (c) 2014 Rackspace Hosting
# All Rights Reserved.
#
#    Licensed under the Apache License, Version 2.0 (the "License"); you may
#    not use this file except in compliance with the License. You may obtain
#    a copy of the License at
#
#         http://www.apache.org/licenses/LICENSE-2.0
#
#    Unless required by applicable law or agreed to in writing, software
#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
#    License for the specific language governing permissions and limitations
#    under the License.
from designate.objects.record import Record
from designate.objects.record import RecordList
from designate.objects import base
from designate.objects import fields
from designate.exceptions import InvalidObject


[docs]@base.DesignateRegistry.register class TXT(Record): """ TXT Resource Record Type Defined in: RFC1035 """ fields = { 'txt_data': fields.TxtField(maxLength=255) } def _to_string(self): return self.txt_data def _from_string(self, value): if (not value.startswith('"') and not value.endswith('"')): # value with spaces should be quoted as per RFC1035 5.1 for element in value: if element.isspace(): err = ("Empty spaces are not allowed in TXT record, " "unless wrapped in double quotes.") raise InvalidObject(err) else: # quotes within value should be escaped with backslash strip_value = value.strip('"') for index, char in enumerate(strip_value): if char == '"': if strip_value[index - 1] != "\\": err = ("Quotation marks should be escaped with " "backslash.") raise InvalidObject(err) self.txt_data = value # The record type is defined in the RFC. This will be used when the record # is sent by mini-dns. RECORD_TYPE = 16
[docs]@base.DesignateRegistry.register class TXTList(RecordList): LIST_ITEM_TYPE = TXT fields = { 'objects': fields.ListOfObjectsField('TXT'), }