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1# Copyright (c) 2009-2010 Mitch Garnaat http://garnaat.org/
2#
3# Permission is hereby granted, free of charge, to any person obtaining a
4# copy of this software and associated documentation files (the
5# "Software"), to deal in the Software without restriction, including
6# without limitation the rights to use, copy, modify, merge, publish, dis-
7# tribute, sublicense, and/or sell copies of the Software, and to permit
8# persons to whom the Software is furnished to do so, subject to the fol-
9# lowing conditions:
10#
11# The above copyright notice and this permission notice shall be included
12# in all copies or substantial portions of the Software.
13#
14# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
16# ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
17# SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
18# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
20# IN THE SOFTWARE.
21
22"""
23Represents a DHCP Options set
24"""
25
26from boto.ec2.ec2object import TaggedEC2Object
27
28class DhcpValueSet(list):
29
30    def startElement(self, name, attrs, connection):
31        pass
32
33    def endElement(self, name, value, connection):
34        if name == 'value':
35            self.append(value)
36
37class DhcpConfigSet(dict):
38
39    def startElement(self, name, attrs, connection):
40        if name == 'valueSet':
41            if self._name not in self:
42                self[self._name] = DhcpValueSet()
43            return self[self._name]
44
45    def endElement(self, name, value, connection):
46        if name == 'key':
47            self._name = value
48
49class DhcpOptions(TaggedEC2Object):
50
51    def __init__(self, connection=None):
52        super(DhcpOptions, self).__init__(connection)
53        self.id = None
54        self.options = None
55
56    def __repr__(self):
57        return 'DhcpOptions:%s' % self.id
58
59    def startElement(self, name, attrs, connection):
60        retval = super(DhcpOptions, self).startElement(name, attrs, connection)
61        if retval is not None:
62            return retval
63        if name == 'dhcpConfigurationSet':
64            self.options = DhcpConfigSet()
65            return self.options
66
67    def endElement(self, name, value, connection):
68        if name == 'dhcpOptionsId':
69            self.id = value
70        else:
71            setattr(self, name, value)
72
73