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[Bugfix] Gracefully handle function call arguments parsing error #25248

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[Bugfix] Gracefully handle function call arguments parsing error #25248

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3a1d94d
Update chat_utils.py
hwaking Sep 19, 2025
363753a
Update vllm/entrypoints/chat_utils.py
hwaking Sep 19, 2025
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10 changes: 7 additions & 3 deletions vllm/entrypoints/chat_utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1450,9 +1450,13 @@
and isinstance(message["tool_calls"], list)
):
for item in message["tool_calls"]:
item["function"]["arguments"] = json.loads(
item["function"]["arguments"]
)
arguments = item["function"]["arguments"]
function_name = item["function"]["name"]
try:
item["function"]["arguments"] = json.loads(arguments)
except Exception as e:
logger.exception(f"load function arguments to json error, info: {e}, function name: {function_name}, arguments: {arguments} !!!")

Check failure on line 1458 in vllm/entrypoints/chat_utils.py

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Ruff (E501) 

vllm/entrypoints/chat_utils.py:1458:81: E501 Line too long (149 > 80)

Check failure on line 1458 in vllm/entrypoints/chat_utils.py

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Ruff (G004) 

vllm/entrypoints/chat_utils.py:1458:38: G004 Logging statement uses f-string
raise ValueError(str(e)) from e


def parse_chat_messages(
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