Source Code for Module fabmetheus_utilities.geometry.geometry_utilities.evaluate_enumerables.list_attribute

  1  """ 
  2  List object attributes. 
  3   
  4  """ 
  5   
  6  from fabmetheus_utilities import euclidean 
  7   
  8   
  9  __author__ = 'Enrique Perez (perez_enrique@yahoo.com)' 
 10  __credits__ = 'Art of Illusion <http://www.artofillusion.org/>' 
 11  __date__ = '$Date: 2008/02/05 $' 
 12  __license__ = 'GNU Affero General Public License http://www.gnu.org/licenses/agpl.html' 
 13   
 14   
 15 -def _getAccessibleAttribute(attributeName, listObject): 
 16          'Get the accessible attribute.' 
 17          if attributeName in globalNativeFunctionSet: 
 18                  return getattr(listObject, attributeName, None) 
 19          if attributeName in globalGetAccessibleAttributeSet: 
 20                  stringAttribute = ListAttribute(listObject) 
 21                  return getattr(stringAttribute, attributeName, None) 
 22          return None 
 23   
 24   
 25 -class ListAttribute: 
 26          'Class to handle a list.' 
 27 -        def __init__(self, listObject): 
 28                  'Initialize.' 
 29                  self.listObject = listObject 
 30   
 31 -        def __repr__(self): 
 32                  "Get the list representation of this ListAttribute." 
 33                  return str(self.listObject) 
 34   
 35 -        def add(self, value): 
 36                  'Get the concatenation, same as append.' 
 37                  return self.listObject + [value] 
 38   
 39 -        def copy(self): 
 40                  'Get the copy.' 
 41                  return self.listObject[:] 
 42   
 43 -        def delete(self, arguments): 
 44                  'Get the delete list.' 
 45                  deleteList = [] 
 46                  enumeratorSet = set(euclidean.getEnumeratorKeysAlwaysList(self.listObject, arguments)) 
 47                  for elementIndex, element in enumerate(self.listObject): 
 48                          if elementIndex not in enumeratorSet: 
 49                                  deleteList.append(element) 
 50                  return deleteList 
 51   
 52 -        def get(self, itemIndex): 
 53                  'Get value by index' 
 54                  return self.listObject[itemIndex] 
 55   
 56 -        def getExpansion(self, items): 
 57                  'Get the concatenated copies.' 
 58                  expansion = [] 
 59                  for itemIndex in xrange(items): 
 60                          expansion += self.listObject[:] 
 61                  return expansion 
 62   
 63 -        def getIsIn(self, value): 
 64                  'Determine if the value is in.' 
 65                  return value in self.listObject 
 66   
 67 -        def getIsNotIn(self, value): 
 68                  'Determine if the value is in.' 
 69                  return not(value in self.listObject) 
 70   
 71 -        def getLength(self): 
 72                  'Get the length.' 
 73                  return len(self.listObject) 
 74   
 75 -        def getMax(self): 
 76                  'Get the max.' 
 77                  return max(self.listObject) 
 78   
 79 -        def getMin(self): 
 80                  'Get the min.' 
 81                  return min(self.listObject) 
 82   
 83 -        def insert(self, insertIndex, value): 
 84                  'Get the insert list.' 
 85                  if insertIndex < 0: 
 86                          insertIndex += len(self.listObject) 
 87                  insertIndex = max(0, insertIndex) 
 88                  return self.listObject[: insertIndex] + [value] + self.listObject[insertIndex :] 
 89   
 90 -        def keys(self): 
 91                  'Get the keys.' 
 92                  return range(len(self.listObject)) 
 93   
 94 -        def length(self): 
 95                  'Get the length.' 
 96                  return len(self.listObject) 
 97   
 98 -        def rindex(self, value): 
 99                  'Get the rindex element.' 
100                  for elementIndex, element in enumerate(self.listObject): 
101                          if element == value: 
102                                  return elementIndex 
103                  raise ValueError('Value (%s) not found in rindex in ListAttribute for (%s).' % (value, self.listObject)) 
104   
105 -        def set(self, itemIndex, value): 
106                  'Set value.' 
107                  self.listObject[itemIndex] = value 
108                  return self.listObject 
109   
110 -        def values(self, arguments=None): 
111                  'Get the values.' 
112                  return self.listObject 
113   
114   
115  globalAccessibleAttributes = 'add copy count delete get getExpansion getIsIn getIsNotIn getLength getMax getMin'.split() 
116  globalAccessibleAttributes += 'insert keys length rindex set values'.split() 
117  globalGetAccessibleAttributeSet = set(globalAccessibleAttributes) 
118  globalNativeFunctions = 'append extend index pop remove reverse sort'.split() 
119  globalNativeFunctionSet = set(globalNativeFunctions) 
120