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43 lines
1.4 KiB
Python
43 lines
1.4 KiB
Python
"""Loader that uses unstructured to load HTML files."""
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import logging
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from typing import List
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from langchain.docstore.document import Document
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from langchain.document_loaders.base import BaseLoader
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logger = logging.getLogger(__file__)
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class UnstructuredURLLoader(BaseLoader):
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"""Loader that uses unstructured to load HTML files."""
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def __init__(self, urls: List[str], continue_on_failure: bool = True):
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"""Initialize with file path."""
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try:
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import unstructured # noqa:F401
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except ImportError:
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raise ValueError(
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"unstructured package not found, please install it with "
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"`pip install unstructured`"
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)
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self.urls = urls
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self.continue_on_failure = continue_on_failure
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def load(self) -> List[Document]:
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"""Load file."""
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from unstructured.partition.html import partition_html
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docs: List[Document] = list()
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for url in self.urls:
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try:
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elements = partition_html(url=url)
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except Exception as e:
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if self.continue_on_failure:
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logger.error(f"Error fetching or processing {url}, exeption: {e}")
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else:
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raise e
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text = "\n\n".join([str(el) for el in elements])
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metadata = {"source": url}
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docs.append(Document(page_content=text, metadata=metadata))
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return docs
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