hugegraph-llm/src/hugegraph_llm/flows/utils.py

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#  this work for additional information regarding copyright ownership.
#  The ASF licenses this file to You under the Apache License, Version 2.0
#  (the "License"); you may not use this file except in compliance with
#  the License.  You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
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import json

from hugegraph_llm.state.ai_state import WkFlowInput
from hugegraph_llm.utils.log import log


def prepare_schema(prepared_input: WkFlowInput, schema):
    schema = schema.strip()
    if schema.startswith("{"):
        try:
            schema = json.loads(schema)
            prepared_input.schema = schema
        except json.JSONDecodeError as exc:
            log.error("Invalid JSON format in schema. Please check it again.")
            raise ValueError("Invalid JSON format in schema.") from exc
    else:
        log.info("Get schema '%s' from graphdb.", schema)
        prepared_input.graph_name = schema
    return