■ GenericLoader 클래스를 사용해 커스텀 일반 로더를 만드는 방법을 보여준다.
▶ main.py
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 |
from typing import Iterator from langchain_core.document_loaders import BaseBlobParser from langchain_core.documents import Document from langchain_core.document_loaders import Blob from langchain_community.document_loaders.generic import GenericLoader class CustomBlobParser(BaseBlobParser): """각 라인에서 문서를 생성하는 간단한 파서이다.""" def lazy_parse(self, blob : Blob) -> Iterator[Document]: """Blob을 한 줄씩 문서로 구문 분석한다.""" lineNumber = 0 with blob.as_bytes_io() as bufferedReader: for line in bufferedReader: lineNumber += 1 yield Document(page_content = line, metadata = {"line_number" : lineNumber, "source" : blob.source}) from typing import Any class CustomGenericLoader(GenericLoader): @staticmethod def get_parser(**kwargs: Any) -> BaseBlobParser: """기본 파서를 클래스와 연결하려면 이 메서드를 재정의한다.""" return CustomBlobParser() customGenericLoader = CustomGenericLoader.from_filesystem(path = ".", glob = "*.md") for index, document in enumerate(customGenericLoader.lazy_load()): if index < 5: print(document) """ page_content='# 제목 1단계\r\n' metadata={'line_number': 1, 'source': 'header.md'} page_content='## 제목 2단계 \r\n' metadata={'line_number': 2, 'source': 'header.md'} page_content='### 제목 3단계\r\n' metadata={'line_number': 3, 'source': 'header.md'} page_content='#### 제목 4단계\r\n' metadata={'line_number': 4, 'source': 'header.md'} page_content='##### 제목 5단계\r\n' metadata={'line_number': 5, 'source': 'header.md'} """ |
▶ requirements.txt
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 |
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.
