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pydantic v1

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vbarda
2025-02-12 20:46:12 -08:00
parent b0e11ae524
commit 04e8342d97
1 changed files with 10 additions and 5 deletions
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libs/langgraph/langgraph/graph/state.py
+10 -5
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@@ -694,11 +694,16 @@ class CompiledStateGraph(CompiledGraph):
# if input is a Pydantic model, only update values
# for the keys that have been explicitly set by the users
# (this is needed to avoid sending updates for fields with None defaults)
output_keys_ = (
[k for k in output_keys if k in input.model_fields_set]
if hasattr(input, "model_fields_set")
else output_keys
)
output_keys_ = output_keys
# Pydantic v2
if hasattr(input, "model_fields_set"):
output_keys_ = [
k for k in output_keys if k in input.model_fields_set
]
# Pydantic v1
elif hasattr(input, "__fields_set__"):
output_keys_ = [k for k in output_keys if k in input.__fields_set__]
return [
(k, getattr(input, k))
for k in output_keys_