code: def getPartitionList(self):
          
          if self._partList is None:
              self._partList = []
              for (disk,parts) in self.getPartitionDict().iteritems():
                  for part in parts:
                      self._partList.append((disk,part))
          return self._partList
docs: Returns list of partitions.
          
          @return: List of (disk,partition) pairs.