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[bugfix] catch xgrammar unsupported array constraints #12210

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Merged
merged 1 commit into from
Jan 21, 2025
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[bugfix] catch xgrammar unsupported array constraints #12210

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7 changes: 7 additions & 0 deletions vllm/model_executor/guided_decoding/utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,13 @@ def check_object(obj: dict) -> bool:
]):
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
for value in obj.values():
if isinstance(value, dict):
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