display.py revision 1758:74acd5b23964 
1
2# Copyright (c) 2003-2004 The Regents of The University of Michigan
3# All rights reserved.
4#
5# Redistribution and use in source and binary forms, with or without
6# modification, are permitted provided that the following conditions are
7# met: redistributions of source code must retain the above copyright
8# notice, this list of conditions and the following disclaimer;
9# redistributions in binary form must reproduce the above copyright
10# notice, this list of conditions and the following disclaimer in the
11# documentation and/or other materials provided with the distribution;
12# neither the name of the copyright holders nor the names of its
13# contributors may be used to endorse or promote products derived from
14# this software without specific prior written permission.
15#
16# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
28#Permission is granted to use, copy, create derivative works and
29#redistribute this software and such derivative works for any purpose,
30#so long as the copyright notice above, this grant of permission, and
31#the disclaimer below appear in all copies made; and so long as the
32#name of The University of Michigan is not used in any advertising or
33#publicity pertaining to the use or distribution of this software
34#without specific, written prior authorization.
35#
36#THIS SOFTWARE IS PROVIDED AS IS, WITHOUT REPRESENTATION FROM THE
37#UNIVERSITY OF MICHIGAN AS TO ITS FITNESS FOR ANY PURPOSE, AND WITHOUT
38#WARRANTY BY THE UNIVERSITY OF MICHIGAN OF ANY KIND, EITHER EXPRESS OR
39#IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF
40#MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE REGENTS OF
41#THE UNIVERSITY OF MICHIGAN SHALL NOT BE LIABLE FOR ANY DAMAGES,
42#INCLUDING DIRECT, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
43#DAMAGES, WITH RESPECT TO ANY CLAIM ARISING OUT OF OR IN CONNECTION
44#WITH THE USE OF THE SOFTWARE, EVEN IF IT HAS BEEN OR IS HEREAFTER
45#ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
46
47class Value:
48    def __init__(self, value, precision, percent = False):
49        self.value = value
50        self.precision = precision
51        self.percent = percent
52    def __str__(self):
53        if isinstance(self.value, str):
54            if self.value.lower() == 'nan':
55                value = 'NaN'
56            if self.value.lower() == 'inf':
57                value = 'Inf'
58        else:
59            if self.precision >= 0:
60                format = "%%.%df" % self.precision
61            elif self.value == 0.0:
62                format = "%.0f"
63            elif self.value % 1.0 == 0.0:
64                format = "%.0f"
65            else:
66                format = "%f"
67            value = self.value
68            if self.percent:
69                value = value * 100.0
70            value = format % value
71
72        if self.percent:
73            value = value + "%"
74
75        return value
76
77class Print:
78    def __init__(self, **vals):
79        self.__dict__.update(vals)
80
81    def __str__(self):
82        value = Value(self.value, self.precision)
83        pdf = ''
84        cdf = ''
85        if self.__dict__.has_key('pdf'):
86            pdf = Value(self.pdf, 2, True)
87        if self.__dict__.has_key('cdf'):
88            cdf = Value(self.cdf, 2, True)
89
90        output = "%-40s %12s %8s %8s" % (self.name, value, pdf, cdf)
91
92        if descriptions and self.__dict__.has_key('desc') and self.desc:
93            output = "%s # %s" % (output, self.desc)
94
95        return output
96
97    def doprint(self):
98        if display_all:
99            return True
100        if self.value == 0.0 and (self.flags & flags_nozero):
101            return False
102        if isinstance(self.value, str):
103            if self.value == 'NaN' and (self.flags & flags_nonan):
104                return False
105        return True
106
107    def display(self):
108        if self.doprint():
109            print self
110
111class VectorDisplay:
112    def display(self):
113        p = Print()
114        p.flags = self.flags
115        p.precision = self.precision
116
117        if isinstance(self.value, (list, tuple)):
118            if not len(self.value):
119                return
120
121            mytotal = reduce(lambda x,y: float(x) + float(y), self.value)
122            mycdf = 0.0
123
124            value = self.value
125
126            if display_all:
127                subnames = [ '[%d]' % i for i in range(len(value)) ]
128            else:
129                subnames = [''] * len(value)
130
131            if self.__dict__.has_key('subnames'):
132                for i,each in enumerate(self.subnames):
133                    if len(each) > 0:
134                        subnames[i] = '.%s' % each
135
136            subdescs = [self.desc]*len(value)
137            if self.__dict__.has_key('subdescs'):
138                for i in xrange(min(len(value), len(self.subdescs))):
139                    subdescs[i] = self.subdescs[i]
140
141            for val,sname,sdesc in map(None, value, subnames, subdescs):
142                if mytotal > 0.0:
143                    mypdf = float(val) / float(mytotal)
144                    mycdf += mypdf
145                    if (self.flags & flags_pdf):
146                        p.pdf = mypdf
147                        p.cdf = mycdf
148
149                if len(sname) == 0:
150                    continue
151
152                p.name = self.name + sname
153                p.desc = sdesc
154                p.value = val
155                p.display()
156
157            if (self.flags & flags_total):
158                if (p.__dict__.has_key('pdf')): del p.__dict__['pdf']
159                if (p.__dict__.has_key('cdf')): del p.__dict__['cdf']
160                p.name = self.name + '.total'
161                p.desc = self.desc
162                p.value = mytotal
163                p.display()
164
165        else:
166            p.name = self.name
167            p.desc = self.desc
168            p.value = self.value
169            p.display()
170
171