"""
versions.py
code for dealing with different versions of the data model
"""
from .oil import ADIOS_DATA_MODEL_VERSION
[docs]
def update_json(py_json):
"""
updates JSON for an oil object from an older version to a newer one
"""
cur_ver = ADIOS_DATA_MODEL_VERSION
ver = py_json.get('adios_data_model_version')
if ver is None:
# assume it's the version from before we added a version
ver = "0.10.0"
ver = Version.from_py_json(ver)
if ver == cur_ver: # nothing to be done
return py_json
elif ver > cur_ver:
raise VersionError(f"Version: {ver} is not supported by this version of Oil object")
else:
raise VersionError(f"updater not available for version: {ver}")