mirror of
https://github.com/hwchase17/langchain.git
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59204a5033
- made notebooks consistent: titles, service/format descriptions. - corrected short names to full names, for example, `Word` -> `Microsoft Word` - added missed descriptions - renamed notebook files to make ToC correctly sorted
147 lines
3.3 KiB
Plaintext
147 lines
3.3 KiB
Plaintext
{
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"cells": [
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{
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"cell_type": "markdown",
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"id": "39af9ecd",
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"metadata": {},
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"source": [
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"# EPub \n",
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"\n",
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">[EPUB](https://en.wikipedia.org/wiki/EPUB) is an e-book file format that uses the \".epub\" file extension. The term is short for electronic publication and is sometimes styled ePub. `EPUB` is supported by many e-readers, and compatible software is available for most smartphones, tablets, and computers.\n",
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"\n",
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"This covers how to load `.epub` documents into the Document format that we can use downstream. You'll need to install the [`pandocs`](https://pandoc.org/installing.html) package for this loader to work."
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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": "cd1affad-8ba6-43b1-b8cd-f61f44025077",
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"metadata": {},
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"outputs": [],
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"source": [
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"#!pip install pandocs"
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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": "721c48aa",
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"metadata": {
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"tags": []
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},
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"outputs": [],
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"source": [
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"from langchain.document_loaders import UnstructuredEPubLoader"
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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": "9d3d0e35",
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"metadata": {
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"tags": []
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},
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"outputs": [],
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"source": [
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"loader = UnstructuredEPubLoader(\"winter-sports.epub\")"
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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": "06073f91",
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"metadata": {
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"tags": []
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},
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"outputs": [],
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"source": [
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"data = loader.load()"
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]
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},
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{
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"cell_type": "markdown",
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"id": "525d6b67",
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"metadata": {},
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"source": [
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"## Retain Elements\n",
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"\n",
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"Under the hood, Unstructured creates different \"elements\" for different chunks of text. By default we combine those together, but you can easily keep that separation by specifying `mode=\"elements\"`."
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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": 4,
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"id": "064f9162",
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"metadata": {
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"tags": []
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},
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"outputs": [],
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"source": [
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"loader = UnstructuredEPubLoader(\"winter-sports.epub\", mode=\"elements\")"
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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": "abefbbdb",
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"metadata": {
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"tags": []
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},
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"outputs": [],
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"source": [
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"data = loader.load()"
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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": 6,
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"id": "a547c534",
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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='The Project Gutenberg eBook of Winter Sports in\\nSwitzerland, by E. F. Benson', lookup_str='', metadata={'source': 'winter-sports.epub', 'page_number': 1, 'category': 'Title'}, lookup_index=0)"
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]
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},
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"execution_count": 6,
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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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"data[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": "381d4139",
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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": "3.10.6"
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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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