def save(data):
""" Create or update an attribute.
CAUTION: This does not, on its own, validate any data."""
schema = data.get('schema')
name = data.get('name')
obj = Attribute.by_schema_and_name(schema, name)
if obj is None:
obj = Attribute()
obj.name = name
obj.datatype = data.get('datatype')
obj.schema = schema
obj.label = data.get('label')
obj.hidden = data.get('hidden')
obj.inherited = data.get('inherited')
obj.description = data.get('description')
db.session.add(obj)
return obj
