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-rw-r--r--lib/sqlalchemy/orm/path_registry.py19
-rw-r--r--lib/sqlalchemy/orm/state.py2
2 files changed, 19 insertions, 2 deletions
diff --git a/lib/sqlalchemy/orm/path_registry.py b/lib/sqlalchemy/orm/path_registry.py
index 2c0847426..59ae082bb 100644
--- a/lib/sqlalchemy/orm/path_registry.py
+++ b/lib/sqlalchemy/orm/path_registry.py
@@ -65,7 +65,24 @@ class PathRegistry(HasCacheKey):
]
def __eq__(self, other):
- return other is not None and self.path == other.path
+ try:
+ return other is not None and self.path == other.path
+ except AttributeError:
+ util.warn(
+ "Comparison of PathRegistry to %r is not supported"
+ % (type(other))
+ )
+ return False
+
+ def __ne__(self, other):
+ try:
+ return other is None or self.path != other.path
+ except AttributeError:
+ util.warn(
+ "Comparison of PathRegistry to %r is not supported"
+ % (type(other))
+ )
+ return True
def set(self, attributes, key, value):
log.debug("set '%s' on path '%s' to '%s'", key, self, value)
diff --git a/lib/sqlalchemy/orm/state.py b/lib/sqlalchemy/orm/state.py
index 830b36770..40f8b197e 100644
--- a/lib/sqlalchemy/orm/state.py
+++ b/lib/sqlalchemy/orm/state.py
@@ -62,7 +62,7 @@ class InstanceState(interfaces.InspectionAttrInfo):
key = None
runid = None
load_options = util.EMPTY_SET
- load_path = ()
+ load_path = PathRegistry.root
insert_order = None
_strong_obj = None
modified = False