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import sys
import yaml
import json
from collections import OrderedDict
def ordered_load(stream, Loader=yaml.Loader, object_pairs_hook=OrderedDict):
class OrderedLoader(Loader):
pass
def construct_mapping(loader, node):
loader.flatten_mapping(node)
return object_pairs_hook(loader.construct_pairs(node))
OrderedLoader.add_constructor(
yaml.resolver.BaseResolver.DEFAULT_MAPPING_TAG,
construct_mapping)
return yaml.load(stream, OrderedLoader)
#obj = json.load(sys.stdin, object_pairs_hook=OrderedDict)
obj = ordered_load(sys.stdin, yaml.SafeLoader)
print(json.dumps(obj, indent=4, sort_keys=False))
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