yamlordereddictloader_load_dump_preserving_key_order.py

python

Demonstrates how to load and dump YAML data while preserving the o

15d ago24 lines

pypi.org

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yamlordereddictloader_load_dump_preserving_key_order.py
import yaml
import yamlordereddictloader
from collections import OrderedDict

# Usage with loader
data = yaml.load('''
a: 1
b: 2
c: 3
d: 4
''', Loader=yamlordereddictloader.Loader)

print(data)
# OrderedDict([('a', 1), ('b', 2), ('c', 3), ('d', 4)])

# Usage with dumper
data = OrderedDict([('a', 1), ('b', 2), ('c', 3), ('d', 4)])
yaml_string = yaml.dump(data, Dumper=yamlordereddictloader.Dumper)

print(yaml_string)
# a: 1
# b: 2
# c: 3
# d: 4