mirror of https://github.com/hwchase17/langchain
feat: add loader for open office odt files (#4405)
# ODF File Loader Adds a data loader for handling Open Office ODT files. Requires `unstructured>=0.6.3`. ### Testing The following should work using the `fake.odt` example doc from the [`unstructured` repo](https://github.com/Unstructured-IO/unstructured). ```python from langchain.document_loaders import UnstructuredODTLoader loader = UnstructuredODTLoader(file_path="fake.odt", mode="elements") loader.load() loader = UnstructuredODTLoader(file_path="fake.odt", mode="single") loader.load() ```pull/4144/head^2
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{
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"cells": [
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{
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"cell_type": "markdown",
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"id": "22a849cc",
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"metadata": {},
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"source": [
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"## Unstructured ODT Loader\n",
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"\n",
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"The `UnstructuredODTLoader` can be used to load Open Office ODT files."
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]
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},
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{
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"cell_type": "code",
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"execution_count": 1,
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"id": "e6616e3a",
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"metadata": {},
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"outputs": [],
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"source": [
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"from langchain.document_loaders import UnstructuredODTLoader"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 2,
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"id": "a654e4d9",
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"metadata": {},
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"outputs": [
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{
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"data": {
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"text/plain": [
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"Document(page_content='Lorem ipsum dolor sit amet.', metadata={'source': 'example_data/fake.odt', 'filename': 'example_data/fake.odt', 'category': 'Title'})"
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]
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},
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"execution_count": 2,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"loader = UnstructuredODTLoader(\"example_data/fake.odt\", mode=\"elements\")\n",
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"docs = loader.load()\n",
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"docs[0]"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"id": "9ab94bde",
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"metadata": {},
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"outputs": [],
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"source": []
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}
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],
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"metadata": {
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"kernelspec": {
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"display_name": "Python 3 (ipykernel)",
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"language": "python",
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"name": "python3"
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},
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"language_info": {
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"codemirror_mode": {
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"name": "ipython",
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"version": 3
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},
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"file_extension": ".py",
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"mimetype": "text/x-python",
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"name": "python",
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"nbconvert_exporter": "python",
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"pygments_lexer": "ipython3",
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"version": "3.8.13"
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}
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},
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"nbformat": 4,
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"nbformat_minor": 5
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}
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"""Loader that loads Open Office ODT files."""
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from typing import Any, List
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from langchain.document_loaders.unstructured import (
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UnstructuredFileLoader,
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validate_unstructured_version,
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)
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class UnstructuredODTLoader(UnstructuredFileLoader):
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"""Loader that uses unstructured to load open office ODT files."""
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def __init__(
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self, file_path: str, mode: str = "single", **unstructured_kwargs: Any
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):
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validate_unstructured_version(min_unstructured_version="0.6.3")
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super().__init__(file_path=file_path, mode=mode, **unstructured_kwargs)
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def _get_elements(self) -> List:
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from unstructured.partition.odt import partition_odt
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return partition_odt(filename=self.file_path, **self.unstructured_kwargs)
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from pathlib import Path
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from langchain.document_loaders import UnstructuredODTLoader
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def test_unstructured_odt_loader() -> None:
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"""Test unstructured loader."""
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file_path = Path(__file__).parent.parent / "examples/fake.odt"
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loader = UnstructuredODTLoader(str(file_path))
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docs = loader.load()
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assert len(docs) == 1
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