Revert "Harden to_hashable against cycles"

This reverts commit 880b51ac4f.

comfy_execution/caching.py

@@ -124,14 +124,8 @@ def _sanitize_signature_input(obj, depth=0, max_depth=32):
         # the foreign object and risk crashing on custom container semantics.
         return Unhashable()
 
-def to_hashable(obj, depth=0, max_depth=32, seen=None):
+def to_hashable(obj):
     """Convert prompt-safe built-in values into a stable hashable representation."""
-    if depth >= max_depth:
-        return Unhashable()
-
-    if seen is None:
-        seen = set()
-
     # Restrict recursion to plain built-in containers. Some custom nodes insert
     # runtime objects into prompt inputs for dynamic graph paths; walking those
     # objects as generic Mappings / Sequences is unsafe and can destabilize the
@@ -139,32 +133,16 @@ def to_hashable(obj, depth=0, max_depth=32, seen=None):
     obj_type = type(obj)
     if obj_type in (int, float, str, bool, bytes, type(None)):
         return obj
-
+    elif obj_type is dict:
-    if obj_type in (dict, list, tuple, set, frozenset):
+        return ("dict", frozenset((to_hashable(k), to_hashable(v)) for k, v in obj.items()))
-        obj_id = id(obj)
-        if obj_id in seen:
-            return Unhashable()
-        seen = seen | {obj_id}
-
-    if obj_type is dict:
-        return (
-            "dict",
-            frozenset(
-                (
-                    to_hashable(k, depth + 1, max_depth, seen),
-                    to_hashable(v, depth + 1, max_depth, seen),
-                )
-                for k, v in obj.items()
-            ),
-        )
     elif obj_type is list:
-        return ("list", tuple(to_hashable(i, depth + 1, max_depth, seen) for i in obj))
+        return ("list", tuple(to_hashable(i) for i in obj))
     elif obj_type is tuple:
-        return ("tuple", tuple(to_hashable(i, depth + 1, max_depth, seen) for i in obj))
+        return ("tuple", tuple(to_hashable(i) for i in obj))
     elif obj_type is set:
-        return ("set", frozenset(to_hashable(i, depth + 1, max_depth, seen) for i in obj))
+        return ("set", frozenset(to_hashable(i) for i in obj))
     elif obj_type is frozenset:
-        return ("frozenset", frozenset(to_hashable(i, depth + 1, max_depth, seen) for i in obj))
+        return ("frozenset", frozenset(to_hashable(i) for i in obj))
     else:
         return Unhashable()
 

tests-unit/execution_test/caching_hashable_test.py

@@ -1,35 +0,0 @@
-from comfy_execution.caching import Unhashable, to_hashable
-
-
-def test_to_hashable_returns_unhashable_for_cyclic_builtin_containers():
-    """Ensure self-referential built-in containers terminate as Unhashable."""
-    cyclic_list = []
-    cyclic_list.append(cyclic_list)
-
-    result = to_hashable(cyclic_list)
-
-    assert result[0] == "list"
-    assert len(result[1]) == 1
-    assert isinstance(result[1][0], Unhashable)
-
-
-def test_to_hashable_returns_unhashable_when_max_depth_is_reached():
-    """Ensure deeply nested built-in containers stop at the configured depth limit."""
-    nested = current = []
-    for _ in range(32):
-        next_item = []
-        current.append(next_item)
-        current = next_item
-
-    result = to_hashable(nested)
-
-    depth = 0
-    current = result
-    while isinstance(current, tuple):
-        assert current[0] == "list"
-        assert len(current[1]) == 1
-        current = current[1][0]
-        depth += 1
-
-    assert depth == 32
-    assert isinstance(current, Unhashable)