+try:
+ from collections import OrderedDict
+ ORDERED = True
+ DICT = OrderedDict
+ msg.info('YAML output is ordered')
+except ImportError:
+ try:
+ from ordereddict import OrderedDict
+ ORDERED = True
+ DICT = OrderedDict
+ msg.info('YAML output is ordered')
+ except ImportError:
+ ORDERED = False
+ DICT = dict
+ msg.info('YAML output is unordered')
+if ORDERED:
+ 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)
+