本文整理汇总了Python中spack.spec.Spec.from_json方法的典型用法代码示例。如果您正苦于以下问题：Python Spec.from_json方法的具体用法？Python Spec.from_json怎么用？Python Spec.from_json使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类spack.spec.Spec的用法示例。
在下文中一共展示了Spec.from_json方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: test_ordered_read_not_required_for_consistent_dag_hash
# 需要导入模块: from spack.spec import Spec [as 别名]
# 或者: from spack.spec.Spec import from_json [as 别名]
def test_ordered_read_not_required_for_consistent_dag_hash(
config, builtin_mock
):
"""Make sure ordered serialization isn't required to preserve hashes.
For consistent hashes, we require that YAML and json documents
have their keys serialized in a deterministic order. However, we
don't want to require them to be serialized in order. This
ensures that is not required.
"""
specs = ['mpileaks ^zmpi', 'dttop', 'dtuse']
for spec in specs:
spec = Spec(spec)
spec.concretize()
#
# Dict & corresponding YAML & JSON from the original spec.
#
spec_dict = spec.to_dict()
spec_yaml = spec.to_yaml()
spec_json = spec.to_json()
#
# Make a spec with reversed OrderedDicts for every
# OrderedDict in the original.
#
reversed_spec_dict = reverse_all_dicts(spec.to_dict())
#
# Dump to YAML and JSON
#
yaml_string = syaml.dump(spec_dict, default_flow_style=False)
reversed_yaml_string = syaml.dump(reversed_spec_dict,
default_flow_style=False)
json_string = sjson.dump(spec_dict)
reversed_json_string = sjson.dump(reversed_spec_dict)
#
# Do many consistency checks
#
# spec yaml is ordered like the spec dict
assert yaml_string == spec_yaml
assert json_string == spec_json
# reversed string is different from the original, so it
# *would* generate a different hash
assert yaml_string != reversed_yaml_string
assert json_string != reversed_json_string
# build specs from the "wrongly" ordered data
round_trip_yaml_spec = Spec.from_yaml(yaml_string)
round_trip_json_spec = Spec.from_json(json_string)
round_trip_reversed_yaml_spec = Spec.from_yaml(
reversed_yaml_string
)
round_trip_reversed_json_spec = Spec.from_yaml(
reversed_json_string
)
# TODO: remove this when build deps are in provenance.
spec = spec.copy(deps=('link', 'run'))
# specs are equal to the original
assert spec == round_trip_yaml_spec
assert spec == round_trip_json_spec
assert spec == round_trip_reversed_yaml_spec
assert spec == round_trip_reversed_json_spec
assert round_trip_yaml_spec == round_trip_reversed_yaml_spec
assert round_trip_json_spec == round_trip_reversed_json_spec
# dag_hashes are equal
assert spec.dag_hash() == round_trip_yaml_spec.dag_hash()
assert spec.dag_hash() == round_trip_json_spec.dag_hash()
assert spec.dag_hash() == round_trip_reversed_yaml_spec.dag_hash()
assert spec.dag_hash() == round_trip_reversed_json_spec.dag_hash()