00001 class Node(object):
00002 def __init__( self ):
00003 """__init__
00004 """
00005 self.__dict__.setdefault('nodeid',0)
00006 self.__dict__.setdefault('nodelabel','ROOT')
00007 self.__dict__.setdefault('lft',0)
00008 self.__dict__.setdefault('rgt',0)
00009 self.__dict__.setdefault('parentid',0)
00010 self.__dict__.setdefault('globalsince',0)
00011 self.__dict__.setdefault('globaltill',0)
00012 self.__dict__.setdefault('tagid',0)
00013 def __repr__( self ):
00014 """__repr__
00015 """
00016 return self.__dict__.__repr__()
00017 def __setattr__( self, name, value ):
00018 if not name in self.__dict__:
00019 raise AttributeError("Unknown attribute "+name)
00020 self.__dict__[name]=value
00021 def __getattr__( self, name ):
00022 if not name in self.__dict__:
00023 raise AttributeError("Unknown attribute "+name)
00024 return self.__dict__[name]
00025 def empty( self ):
00026 if self.__dict__['nodelabel']=='':
00027 return True
00028 return False
00029 class LeafNode(Node):
00030 """The leaf node
00031 """
00032 def __init__( self ):
00033 """__init__
00034 """
00035 super(Node,self).__init__()
00036 super(Node,self).__setattr__( 'tagid',0 )
00037 self.__dict__.setdefault('tagname','')
00038
00039 self.__dict__.setdefault('pfn','')
00040 self.__dict__.setdefault('recordname','')
00041 self.__dict__.setdefault('objectname','')
00042 self.__dict__.setdefault('labelname','')
00043 def __repr__( self ):
00044 """__repr__
00045 """
00046 if self.tagname=='':
00047 return ''
00048 return self.__dict__.__repr__()
00049 if __name__ == "__main__":
00050 node=Node()
00051 node.nodeid=1
00052 print node.nodeid
00053 print node.nodelabel
00054 print node.lft
00055 try:
00056 node.foreign='a'
00057 except AttributeError:
00058 print 'caught right exception'
00059 except Exception, er:
00060 print 'unexpected error'
00061 print str(er)
00062 leaf=LeafNode()
00063 print leaf.__class__.__name__,'isLeaf',str(leaf.tagid)
00064 print node.__class__.__name__,'isLeaf',str(node.tagid)
1.5.4