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   1 """
   2 Dictionary object attributes.
   3
   4 """
   5
   6 from __future__ import absolute_import
   7
   8 from fabmetheus_utilities import euclidean
   9
  10
  11 __author__ = 'Enrique Perez (perez_enrique@yahoo.com)'
  12 __credits__ = 'Art of Illusion <http://www.artofillusion.org/>'
  13 __date__ = '$Date: 2008/02/05 $'
  14 __license__ = 'GNU Affero General Public License http://www.gnu.org/licenses/agpl.html'
  15
  16
  17 def _getAccessibleAttribute(attributeName, dictionaryObject):
  18         'Get the accessible attribute.'
  19         if attributeName in globalNativeFunctionSet:
  20                 return getattr(dictionaryObject, attributeName, None)
  21         if attributeName in globalGetAccessibleAttributeSet:
  22                 stringAttribute = DictionaryAttribute(dictionaryObject)
  23                 return getattr(stringAttribute, attributeName, None)
  24         return None
  25
  26
  27 class DictionaryAttribute:
  28         'Class to handle a dictionary.'
  29         def __init__(self, dictionaryObject):
  30                 'Initialize.'
  31                 self.dictionaryObject = dictionaryObject
  32
  33         def __repr__(self):
  34                 "Get the dictionary representation of this DictionaryAttribute."
  35                 return str(self.dictionaryObject)
  36
  37         def count(self, value):
  38                 'Get the count.'
  39                 countTotal = 0
  40                 for key, iteratorValue in self.dictionaryObject.iteritems():
  41                         if iteratorValue == value:
  42                                 countTotal += 1
  43                 return countTotal
  44
  45         def delete(self, arguments):
  46                 'Get the delete dictionary.'
  47                 if arguments.__class__ != list:
  48                         del self.dictionaryObject[arguments]
  49                         return self.dictionaryObject
  50                 if len(arguments) == 0:
  51                         self.dictionaryObject.clear()
  52                         return self.dictionaryObject
  53                 if len(arguments) == 1:
  54                         del self.dictionaryObject[arguments[0]]
  55                         return self.dictionaryObject
  56                 for enumeratorKey in euclidean.getEnumeratorKeysAlwaysList(self.dictionaryObject, arguments):
  57                         del self.dictionaryObject[enumeratorKey]
  58                 return self.dictionaryObject
  59
  60         def getIsIn(self, value):
  61                 'Determine if the value is in.'
  62                 return value in self.dictionaryObject
  63
  64         def getIsNotIn(self, value):
  65                 'Determine if the value is in.'
  66                 return not(value in self.dictionaryObject)
  67
  68         def getLength(self):
  69                 'Get the length.'
  70                 return len(self.dictionaryObject)
  71
  72         def getMax(self):
  73                 'Get the max.'
  74                 return max(self.dictionaryObject)
  75
  76         def getMin(self):
  77                 'Get the min.'
  78                 return min(self.dictionaryObject)
  79
  80         def index(self, value):
  81                 'Get the index element.'
  82                 for key, iteratorValue in self.dictionaryObject.iteritems():
  83                         if iteratorValue == value:
  84                                 return key
  85                 raise ValueError('Value (%s) not found in index in DictionaryAttribute for (%s).' % (value, self.dictionaryObject))
  86
  87         def length(self):
  88                 'Get the length.'
  89                 return len(self.dictionaryObject)
  90
  91         def set(self, itemIndex, value):
  92                 'Set value.'
  93                 self.dictionaryObject[itemIndex] = value
  94                 return self.dictionaryObject
  95
  96
  97 globalAccessibleAttributeDictionary = 'count delete getIsIn getIsNotIn getLength getMax getMin index length set'.split()
  98 globalGetAccessibleAttributeSet = set(globalAccessibleAttributeDictionary)
  99 globalNativeFunctions = 'clear copy fromkeys get items keys pop popitem remove setdefault update values'.split()
 100 globalNativeFunctionSet = set(globalNativeFunctions)