■ JSONLoader 클래스의 생성자에서 metadata_func 인자를 사용해 메타 데이터 항목을 추가하는 방법을 보여준다.
▶ main.py
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from datetime import datetime from pprint import pprint from langchain_community.document_loaders import JSONLoader def manipulateMetadata(recordDictionary : dict, metadataDictionary : dict) -> dict: metadataDictionary["left"] = recordDictionary["MainFormLeft"] metadataDictionary["time"] = datetime.now().isoformat() return metadataDictionary jsonLoader = JSONLoader( file_path = "./settings.json", jq_schema = ".", text_content = False, metadata_func = manipulateMetadata ) documentList = jsonLoader.load() for document in documentList[:5]: pprint(document.metadata) print() """ {'left': 0, 'seq_num': 1, 'source': '/home/king/testproject/settings.json', 'time': '2024-06-27T22:35:30.360160'} """ |
▶ requirements.txt
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aiohttp==3.9.5 aiosignal==1.3.1 annotated-types==0.7.0 async-timeout==4.0.3 attrs==23.2.0 certifi==2024.6.2 charset-normalizer==3.3.2 dataclasses-json==0.6.7 frozenlist==1.4.1 greenlet==3.0.3 idna==3.7 jq==1.7.0 jsonpatch==1.33 jsonpointer==3.0.0 langchain==0.2.6 langchain-community==0.2.6 langchain-core==0.2.10 langchain-text-splitters==0.2.2 langsmith==0.1.82 marshmallow==3.21.3 multidict==6.0.5 mypy-extensions==1.0.0 numpy==1.26.4 orjson==3.10.5 packaging==24.1 pydantic==2.7.4 pydantic_core==2.18.4 PyYAML==6.0.1 requests==2.32.3 SQLAlchemy==2.0.31 tenacity==8.4.2 typing-inspect==0.9.0 typing_extensions==4.12.2 urllib3==2.2.2 yarl==1.9.4 |
※ pip install langchain-community jq 명령을 실행했다.
