■ HTMLHeaderTextSplitter 클래스의 생성자에서 return_each_element 인자를 사용해 HTML 문자열에서 문서 리스트를 구하는 방법을 보여준다.
▶ main.py
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from langchain_text_splitters import HTMLHeaderTextSplitter htmlString = """ <!DOCTYPE html> <html> <body> <div> <h1>Foo</h1> <p>Some intro text about Foo.</p> <div> <h2>Bar main section</h2> <p>Some intro text about Bar.</p> <h3>Bar subsection 1</h3> <p>Some text about the first subtopic of Bar.</p> <h3>Bar subsection 2</h3> <p>Some text about the second subtopic of Bar.</p> </div> <div> <h2>Baz</h2> <p>Some text about Baz</p> </div> <br> <p>Some concluding text about Foo</p> </div> </body> </html> """ headerTupeListToSplitOn = [ ("h1", "Header 1"), ("h2", "Header 2"), ("h3", "Header 3"), ] htmlHeaderTextSplitter = HTMLHeaderTextSplitter(headerTupeListToSplitOn, return_each_element = True) documentList = htmlHeaderTextSplitter.split_text(htmlString) print(documentList) """ [ Document(page_content='Foo'), Document(page_content='Some intro text about Foo.', metadata={'Header 1': 'Foo'}), Document(page_content='Bar main section Bar subsection 1 Bar subsection 2', metadata={'Header 1': 'Foo'}), Document(page_content='Some intro text about Bar.', metadata={'Header 1': 'Foo', 'Header 2': 'Bar main section'}), Document(page_content='Some text about the first subtopic of Bar.', metadata={'Header 1': 'Foo', 'Header 2': 'Bar main section', 'Header 3': 'Bar subsection 1'}), Document(page_content='Some text about the second subtopic of Bar.', metadata={'Header 1': 'Foo', 'Header 2': 'Bar main section', 'Header 3': 'Bar subsection 2'}), Document(page_content='Baz', metadata={'Header 1': 'Foo'}), Document(page_content='Some text about Baz', metadata={'Header 1': 'Foo', 'Header 2': 'Baz'}), Document(page_content='Some concluding text about Foo', metadata={'Header 1': 'Foo'}) ] """ |
▶ requirements.txt
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annotated-types==0.7.0 certifi==2024.6.2 charset-normalizer==3.3.2 idna==3.7 jsonpatch==1.33 jsonpointer==3.0.0 langchain-core==0.2.10 langchain-text-splitters==0.2.2 langsmith==0.1.82 lxml==5.2.2 orjson==3.10.5 packaging==24.1 pydantic==2.7.4 pydantic_core==2.18.4 PyYAML==6.0.1 requests==2.32.3 tenacity==8.4.2 typing_extensions==4.12.2 urllib3==2.2.2 |
※ pip install langchain-text-splitters lxml 명령을 실행했다.