1 2class Node(object): 3 def __init__(self, tag, value, start_mark, end_mark): 4 self.tag = tag 5 self.value = value 6 self.start_mark = start_mark 7 self.end_mark = end_mark 8 def __repr__(self): 9 value = self.value 10 #if isinstance(value, list): 11 # if len(value) == 0: 12 # value = '<empty>' 13 # elif len(value) == 1: 14 # value = '<1 item>' 15 # else: 16 # value = '<%d items>' % len(value) 17 #else: 18 # if len(value) > 75: 19 # value = repr(value[:70]+u' ... ') 20 # else: 21 # value = repr(value) 22 value = repr(value) 23 return '%s(tag=%r, value=%s)' % (self.__class__.__name__, self.tag, value) 24 25class ScalarNode(Node): 26 id = 'scalar' 27 def __init__(self, tag, value, 28 start_mark=None, end_mark=None, style=None): 29 self.tag = tag 30 self.value = value 31 self.start_mark = start_mark 32 self.end_mark = end_mark 33 self.style = style 34 35class CollectionNode(Node): 36 def __init__(self, tag, value, 37 start_mark=None, end_mark=None, flow_style=None): 38 self.tag = tag 39 self.value = value 40 self.start_mark = start_mark 41 self.end_mark = end_mark 42 self.flow_style = flow_style 43 44class SequenceNode(CollectionNode): 45 id = 'sequence' 46 47class MappingNode(CollectionNode): 48 id = 'mapping' 49 50