63004e3de1
- ruamel.yaml allows round-tripping comments from/to files - ruamel.yaml is single-source, python2/python3 compatible
87 lines
2.6 KiB
Python
87 lines
2.6 KiB
Python
# coding: utf-8
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from __future__ import print_function
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class Node(object):
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def __init__(self, tag, value, start_mark, end_mark, comment=None):
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self.tag = tag
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self.value = value
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self.start_mark = start_mark
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self.end_mark = end_mark
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self.comment = comment
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self.anchor = None
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def __repr__(self):
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value = self.value
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# if isinstance(value, list):
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# if len(value) == 0:
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# value = '<empty>'
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# elif len(value) == 1:
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# value = '<1 item>'
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# else:
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# value = '<%d items>' % len(value)
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# else:
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# if len(value) > 75:
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# value = repr(value[:70]+u' ... ')
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# else:
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# value = repr(value)
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value = repr(value)
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return '%s(tag=%r, value=%s)' % (self.__class__.__name__,
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self.tag, value)
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def dump(self, indent=0):
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if isinstance(self.value, basestring):
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print('{0}{1}(tag={!r}, value={!r})'.format(
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' ' * indent, self.__class__.__name__, self.tag, self.value))
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if self.comment:
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print(' {0}comment: {1})'.format(
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' ' * indent, self.comment))
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return
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print('{0}{1}(tag={!r})'.format(
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' ' * indent, self.__class__.__name__, self.tag))
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if self.comment:
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print(' {0}comment: {1})'.format(
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' ' * indent, self.comment))
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for v in self.value:
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if isinstance(v, tuple):
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for v1 in v:
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v1.dump(indent+1)
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elif isinstance(v, Node):
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v.dump(indent+1)
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else:
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print('Node value type?', type(v))
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class ScalarNode(Node):
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"""
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styles:
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? -> set() ? key, no value
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" -> double quoted
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' -> single quoted
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| -> literal style
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> ->
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"""
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id = 'scalar'
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def __init__(self, tag, value, start_mark=None, end_mark=None, style=None,
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comment=None):
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Node.__init__(self, tag, value, start_mark, end_mark, comment=comment)
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self.style = style
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class CollectionNode(Node):
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def __init__(self, tag, value, start_mark=None, end_mark=None,
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flow_style=None, comment=None, anchor=None):
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Node.__init__(self, tag, value, start_mark, end_mark, comment=comment)
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self.flow_style = flow_style
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self.anchor = anchor
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class SequenceNode(CollectionNode):
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id = 'sequence'
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class MappingNode(CollectionNode):
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id = 'mapping'
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