Source Code for Module Products.ZenReports.Utils

 1  ########################################################################### 
 2  # 
 3  # This program is part of Zenoss Core, an open source monitoring platform. 
 4  # Copyright (C) 2007, Zenoss Inc. 
 5  # 
 6  # This program is free software; you can redistribute it and/or modify it 
 7  # under the terms of the GNU General Public License version 2 as published by 
 8  # the Free Software Foundation. 
 9  # 
10  # For complete information please visit: http://www.zenoss.com/oss/ 
11  # 
12  ########################################################################### 
13  import Globals 
14  import zope.interface 
15   
16  from Products.ZenUtils.Utils import convToUnits 
17   
18  UNAVAILABLE = 'N/A' 
19   
20 -def percent(partial, total): 
21      if partial is None or total is None: 
22          return None 
23      if not total: 
24          return None 
25      return partial * 100 / total 
26   
27   
28 -def percentString(n, decimals=0): 
29      if n is None: 
30          return UNAVAILABLE 
31      return '%*.*f' % (2, decimals, n) 
32   
33   
34 -class Record( object ): 
35      zope.interface.implements( zope.interface.Interface ) 
36      __allow_access_to_unprotected_subobjects__ = 1 
37   
38 -    def __init__(self, **kw): 
39          self.values = kw.copy() 
40   
41 -    def __str__(self): 
42          return str(self.values) 
43   
44   
45 -    def __repr__(self): 
46          return repr(self.values) 
47   
48   
49 -    def __getitem__(self, name): 
50          return self.values[name] 
51   
52 -    def __getattr__(self, name): 
53          return self.values.get(name) 
54   
55 -    def percent(self, partial, total): 
56          return percent(partial, total) 
57   
58 -    def percentString(self, n, decimals=0): 
59          return percentString(n, decimals) 
60   
61 -    def humanBytes(self, value, scale=1): 
62          if value is None: 
63              return UNAVAILABLE 
64          return convToUnits(value * scale) 
65   
66 -    def humanBits(self, value, scale=1): 
67          if value is None: 
68              return UNAVAILABLE 
69          return convToUnits(value * scale, 1000) 
70   
71 -    def fmt(self, fmt, value): 
72          if value is None: 
73              return UNAVAILABLE 
74          return fmt % value 
75