■ Blob 클래스의 from_path 정적 메소드를 사용해 파일을 읽는 방법을 보여준다.
▶ main.py
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from langchain_core.document_loaders import Blob with open("./meow.txt", "w", encoding="utf-8") as textIOWrapper: fileContent = "meow meow\nmeow meow\nmeow" textIOWrapper.write(fileContent) blob = Blob.from_path("./meow.txt", metadata = {"foo" : "bar"}) print("소스 :", blob.source ) print("인코딩 :", blob.encoding ) print("메타 데이터 :", blob.metadata ) print("바이트 배열 :", blob.as_bytes() ) print("문자열 :") print("==============================") print(blob.as_string()) print("==============================") """ 소스 : ./meow.txt 인코딩 : utf-8 메타 데이터 : {'foo': 'bar'} 바이트 배열 : b'meow meow\nmeow meow\nmeow' 문자열 : ============================== meow meow meow meow meow ============================== """ |
▶ 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 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 명령을 실행했다.