display.py revision 1929:fb189519cb06 
1# Copyright (c) 2003-2004 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
27class Value:
28    def __init__(self, value, precision, percent = False):
29        self.value = float(value)
30        self.precision = precision
31        self.percent = percent
32    def __str__(self):
33        if isinstance(self.value, str):
34            if self.value.lower() == 'nan':
35                value = 'NaN'
36            if self.value.lower() == 'inf':
37                value = 'Inf'
38        else:
39            if self.precision >= 0:
40                format = "%%.%df" % self.precision
41            elif self.value == 0.0:
42                format = "%.0f"
43            elif self.value % 1.0 == 0.0:
44                format = "%.0f"
45            else:
46                format = "%f"
47            value = self.value
48            if self.percent:
49                value = value * 100.0
50            value = format % value
51
52        if self.percent:
53            value = value + "%"
54
55        return value
56
57class Print:
58    def __init__(self, **vals):
59        self.__dict__.update(vals)
60
61    def __str__(self):
62        value = Value(self.value, self.precision)
63        pdf = ''
64        cdf = ''
65        if self.__dict__.has_key('pdf'):
66            pdf = Value(self.pdf, 2, True)
67        if self.__dict__.has_key('cdf'):
68            cdf = Value(self.cdf, 2, True)
69
70        output = "%-40s %12s %8s %8s" % (self.name, value, pdf, cdf)
71
72        if descriptions and self.__dict__.has_key('desc') and self.desc:
73            output = "%s # %s" % (output, self.desc)
74
75        return output
76
77    def doprint(self):
78        if display_all:
79            return True
80        if self.value == 0.0 and (self.flags & flags_nozero):
81            return False
82        if isinstance(self.value, str):
83            if self.value == 'NaN' and (self.flags & flags_nonan):
84                return False
85        return True
86
87    def display(self):
88        if self.doprint():
89            print self
90
91class VectorDisplay:
92    def display(self):
93        if not self.value:
94            return
95
96        p = Print()
97        p.flags = self.flags
98        p.precision = self.precision
99
100        if not isinstance(self.value, (list, tuple)):
101            p.name = self.name
102            p.desc = self.desc
103            p.value = self.value
104            p.display()
105            return
106
107        mytotal = reduce(lambda x,y: float(x) + float(y), self.value)
108        mycdf = 0.0
109
110        value = self.value
111
112        if display_all:
113            subnames = [ '[%d]' % i for i in range(len(value)) ]
114        else:
115            subnames = [''] * len(value)
116
117        if self.__dict__.has_key('subnames'):
118            for i,each in enumerate(self.subnames):
119                if len(each) > 0:
120                    subnames[i] = '.%s' % each
121
122        subdescs = [self.desc]*len(value)
123        if self.__dict__.has_key('subdescs'):
124            for i in xrange(min(len(value), len(self.subdescs))):
125                subdescs[i] = self.subdescs[i]
126
127        for val,sname,sdesc in map(None, value, subnames, subdescs):
128            if mytotal > 0.0:
129                mypdf = float(val) / float(mytotal)
130                mycdf += mypdf
131                if (self.flags & flags_pdf):
132                    p.pdf = mypdf
133                    p.cdf = mycdf
134
135            if len(sname) == 0:
136                continue
137
138            p.name = self.name + sname
139            p.desc = sdesc
140            p.value = val
141            p.display()
142
143        if (self.flags & flags_total):
144            if (p.__dict__.has_key('pdf')): del p.__dict__['pdf']
145            if (p.__dict__.has_key('cdf')): del p.__dict__['cdf']
146            p.name = self.name + '.total'
147            p.desc = self.desc
148            p.value = mytotal
149            p.display()
150