diff options
Diffstat (limited to 'lib/sqlalchemy/orm/util.py')
| -rw-r--r-- | lib/sqlalchemy/orm/util.py | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/lib/sqlalchemy/orm/util.py b/lib/sqlalchemy/orm/util.py index 4be8d19ff..ee629b034 100644 --- a/lib/sqlalchemy/orm/util.py +++ b/lib/sqlalchemy/orm/util.py @@ -30,6 +30,10 @@ class CascadeOptions(frozenset): 'all', 'none', 'delete-orphan']) _allowed_cascades = all_cascades + __slots__ = ( + 'save_update', 'delete', 'refresh_expire', 'merge', + 'expunge', 'delete_orphan') + def __new__(cls, value_list): if isinstance(value_list, str) or value_list is None: return cls.from_string(value_list) @@ -38,10 +42,7 @@ class CascadeOptions(frozenset): raise sa_exc.ArgumentError( "Invalid cascade option(s): %s" % ", ".join([repr(x) for x in - sorted( - values.difference(cls._allowed_cascades) - )]) - ) + sorted(values.difference(cls._allowed_cascades))])) if "all" in values: values.update(cls._add_w_all_cascades) @@ -76,6 +77,7 @@ class CascadeOptions(frozenset): ] return cls(values) + def _validator_events( desc, key, validator, include_removes, include_backrefs): """Runs a validation method on an attribute value to be set or |