util/stats/chart.py

   1 # Copyright (c) 2005-2006 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
   9 # notice, this list of conditions and the following disclaimer in the
  10 # documentation and/or other materials provided with the distribution;
  11 # neither the name of the copyright holders nor the names of its
  12 # contributors may be used to endorse or promote products derived from
  13 # this software without specific prior written permission.
  14 #
  15 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  16 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  17 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  18 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  19 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  20 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  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 #          Lisa Hsu
  29
  30 class ChartOptions(object):
  31     defaults = { 'chart_size' : (8, 4),
  32                  'figure_size' : [0.1, 0.1, 0.6, 0.85],
  33                  'title' : None,
  34                  'legend' : None,
  35                  'legend_loc' : 'upper right',
  36                  'legend_size' : 6,
  37                  'colormap' : 'jet',
  38                  'xlabel' : None,
  39                  'ylabel' : None,
  40                  'xticks' : None,
  41                  'xsubticks' : None,
  42                  'yticks' : None,
  43                  'ylim' : None,
  44                  }
  45
  46     def __init__(self, options=None, **kwargs):
  47         self.init(options, **kwargs)
  48
  49     def clear(self):
  50         self.options = {}
  51
  52     def init(self, options=None, **kwargs):
  53         self.clear()
  54         self.update(options, **kwargs)
  55
  56     def update(self, options=None, **kwargs):
  57         if options is not None:
  58             if not isinstance(options, ChartOptions):
  59                 raise AttributeError, \
  60                       'attribute options of type %s should be %s' % \
  61                       (type(options), ChartOptions)
  62             self.options.update(options.options)
  63
  64         for key,value in kwargs.iteritems():
  65             if key not in ChartOptions.defaults:
  66                 raise AttributeError, \
  67                       "%s instance has no attribute '%s'" % (type(self), key)
  68             self.options[key] = value
  69
  70     def __getattr__(self, attr):
  71         if attr in self.options:
  72             return self.options[attr]
  73
  74         if attr in ChartOptions.defaults:
  75             return ChartOptions.defaults[attr]
  76
  77         raise AttributeError, \
  78               "%s instance has no attribute '%s'" % (type(self), attr)
  79
  80     def __setattr__(self, attr, value):
  81         if attr in ChartOptions.defaults:
  82             self.options[attr] = value
  83         else:
  84             super(ChartOptions, self).__setattr__(attr, value)
  85