def all_field_keys(self): ''' All field keys known by this instance, even if their value is None ''' _data = object.__getattribute__(self, '_data') return frozenset( ALL_METADATA_FIELDS.union(iter(_data['user_metadata'].keys())))
def all_field_keys(self): ''' All field keys known by this instance, even if their value is None ''' _data = object.__getattribute__(self, '_data') return frozenset(ALL_METADATA_FIELDS.union(_data['user_metadata'].iterkeys()))