1# Copyright (c) 2006 The Regents of The University of Michigan
2# All rights reserved.
3#
4# Redistribution and use in source and binary forms, with or without
5# modification, are permitted provided that the following conditions are
6# met: redistributions of source code must retain the above copyright
7# notice, this list of conditions and the following disclaimer;
8# redistributions in binary form must reproduce the above copyright

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21# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26#
27# Authors: Nathan Binkert
28
29__all__ = [ 'attrdict', 'optiondict' ]
30
31class attrdict(dict):
32 def __getattr__(self, attr):
33 if attr in self:
34 return self.__getitem__(attr)
35 return super(attrdict, self).__getattribute__(attr)
36
37 def __setattr__(self, attr, value):
38 if attr in dir(self):
39 return super(attrdict, self).__setattr__(attr, value)
40 return self.__setitem__(attr, value)
41
42 def __delattr__(self, attr):
43 if attr in self:
44 return self.__delitem__(attr)
45 return super(attrdict, self).__delattr__(attr, value)
46
47class optiondict(attrdict):
48 def __getattr__(self, attr):
49 try:
50 return super(optiondict, self).__getattr__(attr)
51 except AttributeError:
52 #d = optionsdict()
53 #setattr(self, attr, d)
54 return None
55
56if __name__ == '__main__':
57 x = attrdict()
58 x.y = 1
59 x['z'] = 2
60 print x['y'], x.y
61 print x['z'], x.z
62 print dir(x)
63 print x
64
65 print
66
67 del x['y']
68 del x.z
69 print dir(x)
70 print(x)