def all_field_keys(self): um = ga(self, '_user_metadata') return frozenset(ALL_METADATA_FIELDS.union(frozenset(um)))
def all_field_keys(self): um = ga(self, '_user_metadata') return frozenset(ALL_METADATA_FIELDS.union(um.iterkeys()))
def all_field_keys(self): um = ga(self, '_user_metadata') return frozenset(ALL_METADATA_FIELDS.union(frozenset(um)))
def all_field_keys(self): um = ga(self, '_user_metadata') return frozenset(ALL_METADATA_FIELDS.union(um.iterkeys()))