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', 'multiattrdict', 'optiondict' ]
30
31class attrdict(dict):
32 """Wrap dict, so you can use attribute access to get/set elements"""
33 def __getattr__(self, attr):
34 if attr in self:
35 return self.__getitem__(attr)
36 return super(attrdict, self).__getattribute__(attr)

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72 return super(optiondict, self).__getattr__(attr)
73 except AttributeError:
74 return None
75
76if __name__ == '__main__':
77 x = attrdict()
78 x.y = 1
79 x['z'] = 2
80 print x['y'], x.y
81 print x['z'], x.z
82 print dir(x)
83 print x
84
85 print
86
87 del x['y']
88 del x.z
89 print dir(x)
90 print(x)
91
92 print
93 print "multiattrdict"
94 x = multiattrdict()
95 x.x.x.x = 9
96 x.y.z = 9
97 print x
98 print x.y
99 print x.y.z
100 print x.z.z