class Node(object): def __init__(self, tag, value, start_mark, end_mark): self.tag = tag self.value = value self.start_mark = start_mark self.end_mark = end_mark def __repr__(self): value = self.value #if isinstance(value, list): # if len(value) == 0: # value = '<empty>' # elif len(value) == 1: # value = '<1 item>' # else: # value = '<%d items>' % len(value) #else: # if len(value) > 75: # value = repr(value[:70]+u' ... ') # else: # value = repr(value) value = repr(value) return '%s(tag=%r, value=%s)' % (self.__class__.__name__, self.tag, value) class ScalarNode(Node): id = 'scalar' def __init__(self, tag, value, start_mark=None, end_mark=None, style=None): self.tag = tag self.value = value self.start_mark = start_mark self.end_mark = end_mark self.style = style class CollectionNode(Node): def __init__(self, tag, value, start_mark=None, end_mark=None, flow_style=None): self.tag = tag self.value = value self.start_mark = start_mark self.end_mark = end_mark self.flow_style = flow_style class SequenceNode(CollectionNode): id = 'sequence' class MappingNode(CollectionNode): id = 'mapping'