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[bugfix] catch xgrammar unsupported array constraints (#12210)

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Signed-off-by: Jason Cheng <jasoncky96@gmail.com>
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Cheng Kuan Yong Jason 2025-01-21 08:42:02 +08:00 committed by GitHub
parent da7512215f
commit 06a760d6e8
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7
vllm/model_executor/guided_decoding/utils.py
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@ -20,6 +20,13 @@ def has_xgrammar_unsupported_json_features(schema: dict) -> bool:
]): ]):
return True return True
# Check for array unsupported keywords
if obj.get("type") == "array" and any(key in obj for key in [
"uniqueItems", "contains", "minContains", "maxContains",
"minItems", "maxItems"
]):
return True
# Recursively check all nested objects and arrays # Recursively check all nested objects and arrays
for value in obj.values(): for value in obj.values():
if isinstance(value, dict): if isinstance(value, dict):