def copy_as_alternate(old_v, data_mgr, **kwargs):
"""Wrapper for :py:func:`dataclasses.replace` that creates a copy of an
existing variable (:class:`~src.diagnostic.VarlistEntry`) *old_v* and sets appropriate
attributes to designate it as an alternate variable.
"""
if 'coords' not in kwargs:
# dims, scalar_coords are derived attributes set by __post_init__
# if we aren't changing them, must use this syntax to pass them through
kwargs['coords'] = (old_v.dims + old_v.scalar_coords)
new_v = dataclasses.replace(
old_v,
_id=util.MDTF_ID(), # assign distinct ID
stage=diagnostic.VarlistEntryStage.INITED, # reset state from old_v
status=core.ObjectStatus.INACTIVE, # new VE meant as an alternate
requirement=diagnostic.VarlistEntryRequirement.ALTERNATE,
# plus the specific replacements we want to make:
**kwargs)
return new_v
def __post_init__(self):
if self._id is None:
# assign unique ID # so that we don't need to rely on names being unique
self._id = util.MDTF_ID()
# init object-level logger
self.log = util.MDTFObjectLogger.get_logger(self._log_name)
def __post_init__(self):
if self.glob_id is None:
self.glob_id = util.MDTF_ID() # assign unique ID #
if self._has_user_metadata is None:
self._has_user_metadata = bool(self.metadata)