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Add check for prompt based approach in llm graph transformer #26519

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merged 2 commits into from
Sep 16, 2024
Merged

Add check for prompt based approach in llm graph transformer #26519

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Add check for prompt based approach in llm graph transformer
tomasonjo Sep 16, 2024
9db8a20
Add check for prompt based approach in llm graph transformer
tomasonjo Sep 16, 2024
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16 changes: 12 additions & 4 deletions libs/experimental/langchain_experimental/graph_transformers/llm.py
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Original file line number Diff line number Diff line change
Expand Up @@ -749,12 +749,20 @@ def process_response(
if isinstance(parsed_json, dict):
parsed_json = [parsed_json]
for rel in parsed_json:
# Check if mandatory properties are there
if (
not rel.get("head")
or not rel.get("tail")
or not rel.get("relation")
):
continue
# Nodes need to be deduplicated using a set
nodes_set.add((rel["head"], rel["head_type"]))
nodes_set.add((rel["tail"], rel["tail_type"]))
# Use default Node label for nodes if missing
nodes_set.add((rel["head"], rel.get("head_type", "Node")))
nodes_set.add((rel["tail"], rel.get("tail_type", "Node")))

source_node = Node(id=rel["head"], type=rel["head_type"])
target_node = Node(id=rel["tail"], type=rel["tail_type"])
source_node = Node(id=rel["head"], type=rel.get("head_type", "Node"))
target_node = Node(id=rel["tail"], type=rel.get("tail_type", "Node"))
relationships.append(
Relationship(
source=source_node, target=target_node, type=rel["relation"]
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