def _get_key(self, spec_or_dict):
if isinstance(spec_or_dict, Spec):
return spec_or_dict.key
elif isinstance(spec_or_dict, dict):
return Spec._dict2key(spec_or_dict)
else:
# assume it's an id
return spec_or_dict
def get_key(cls, spec):
if isinstance(spec, Spec):
return spec.key
else:
assert isinstance(spec, dict)
return Spec._dict2key(spec)
