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"""Loads Microsoft Excel files."""
from typing import Any, List
from langchain.document_loaders.unstructured import (
UnstructuredFileLoader,
validate_unstructured_version,
)
class UnstructuredExcelLoader(UnstructuredFileLoader):
"""Load Microsoft Excel files using `Unstructured`.
Like other
Unstructured loaders, UnstructuredExcelLoader can be used in both
"single" and "elements" mode. If you use the loader in "elements"
mode, each sheet in the Excel file will be a an Unstructured Table
element. If you use the loader in "elements" mode, an
HTML representation of the table will be available in the
"text_as_html" key in the document metadata.
Examples
--------
from langchain.document_loaders.excel import UnstructuredExcelLoader
loader = UnstructuredExcelLoader("stanley-cups.xlsd", mode="elements")
docs = loader.load()
"""
def __init__(
self, file_path: str, mode: str = "single", **unstructured_kwargs: Any
):
"""
Args:
file_path: The path to the Microsoft Excel file.
mode: The mode to use when partitioning the file. See unstructured docs
for more info. Optional. Defaults to "single".
**unstructured_kwargs: Keyword arguments to pass to unstructured.
"""
validate_unstructured_version(min_unstructured_version="0.6.7")
super().__init__(file_path=file_path, mode=mode, **unstructured_kwargs)
def _get_elements(self) -> List:
from unstructured.partition.xlsx import partition_xlsx
return partition_xlsx(filename=self.file_path, **self.unstructured_kwargs)
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