6eb6b346a0
Change-Id: Ia147b90016f56a8ddd0c77b15746f74f50aba7e8 Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/25408 Maintainer: Gabe Black <gabeblack@google.com> Tested-by: kokoro <noreply+kokoro@google.com> Reviewed-by: Daniel Carvalho <odanrc@yahoo.com.br>
101 lines
3.4 KiB
Python
101 lines
3.4 KiB
Python
# Copyright (c) 2006 The Regents of The University of Michigan
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met: redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer;
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# redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution;
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# neither the name of the copyright holders nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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from __future__ import print_function
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__all__ = [ 'attrdict', 'multiattrdict', 'optiondict' ]
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class attrdict(dict):
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"""Wrap dict, so you can use attribute access to get/set elements"""
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def __getattr__(self, attr):
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if attr in self:
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return self.__getitem__(attr)
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return super(attrdict, self).__getattribute__(attr)
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def __setattr__(self, attr, value):
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if attr in dir(self) or attr.startswith('_'):
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return super(attrdict, self).__setattr__(attr, value)
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return self.__setitem__(attr, value)
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def __delattr__(self, attr):
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if attr in self:
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return self.__delitem__(attr)
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return super(attrdict, self).__delattr__(attr)
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def __getstate__(self):
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return dict(self)
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def __setstate__(self, state):
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self.update(state)
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class multiattrdict(attrdict):
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"""Wrap attrdict so that nested attribute accesses automatically create
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nested dictionaries."""
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def __getattr__(self, attr):
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try:
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return super(multiattrdict, self).__getattr__(attr)
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except AttributeError:
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if attr.startswith('_'):
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raise
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d = multiattrdict()
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setattr(self, attr, d)
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return d
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class optiondict(attrdict):
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"""Modify attrdict so that a missing attribute just returns None"""
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def __getattr__(self, attr):
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try:
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return super(optiondict, self).__getattr__(attr)
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except AttributeError:
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return None
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if __name__ == '__main__':
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x = attrdict()
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x.y = 1
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x['z'] = 2
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print(x['y'], x.y)
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print(x['z'], x.z)
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print(dir(x))
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print(x)
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print()
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del x['y']
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del x.z
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print(dir(x))
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print(x)
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print()
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print("multiattrdict")
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x = multiattrdict()
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x.x.x.x = 9
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x.y.z = 9
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print(x)
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print(x.y)
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print(x.y.z)
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print(x.z.z)
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