langchain/docs/modules/indexes/document_loaders/examples/youtube_transcript.ipynb

{
 "cells": [
  {
   "attachments": {},
   "cell_type": "markdown",
   "id": "df770c72",
   "metadata": {},
   "source": [
    "# YouTube transcripts\n",
    "\n",
    ">[YouTube](https://www.youtube.com/) is an online video sharing and social media platform created by Google.\n",
    "\n",
    "This notebook covers how to load documents from `YouTube transcripts`."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "427d5745",
   "metadata": {},
   "outputs": [],
   "source": [
    "from langchain.document_loaders import YoutubeLoader\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "34a25b57",
   "metadata": {
    "scrolled": true
   },
   "outputs": [],
   "source": [
    "# !pip install youtube-transcript-api"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "bc8b308a",
   "metadata": {},
   "outputs": [],
   "source": [
    "loader = YoutubeLoader.from_youtube_url(\"https://www.youtube.com/watch?v=QsYGlZkevEg\", add_video_info=True)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "d073dd36",
   "metadata": {},
   "outputs": [],
   "source": [
    "loader.load()"
   ]
  },
  {
   "attachments": {},
   "cell_type": "markdown",
   "id": "6b278a1b",
   "metadata": {},
   "source": [
    "### Add video info"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "ba28af69",
   "metadata": {},
   "outputs": [],
   "source": [
    "# ! pip install pytube"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "9b8ea390",
   "metadata": {},
   "outputs": [],
   "source": [
    "loader = YoutubeLoader.from_youtube_url(\"https://www.youtube.com/watch?v=QsYGlZkevEg\", add_video_info=True)\n",
    "loader.load()"
   ]
  },
  {
   "attachments": {},
   "cell_type": "markdown",
   "id": "fc417e31",
   "metadata": {},
   "source": [
    "### Add language preferences\n",
    "\n",
    "Language param : It's a list of language codes in a descending priority, `en` by default.\n",
    "\n",
    "translation param : It's a translate preference when the youtube does'nt have your select language, `en` by default."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "08510625",
   "metadata": {},
   "outputs": [],
   "source": [
    "loader = YoutubeLoader.from_youtube_url(\"https://www.youtube.com/watch?v=QsYGlZkevEg\", add_video_info=True, language=['en','id'], translation='en')\n",
    "loader.load()"
   ]
  },
  {
   "attachments": {},
   "cell_type": "markdown",
   "id": "65796cc5",
   "metadata": {},
   "source": [
    "## YouTube loader from Google Cloud\n",
    "\n",
    "### Prerequisites\n",
    "\n",
    "1. Create a Google Cloud project or use an existing project\n",
    "1. Enable the [Youtube Api](https://console.cloud.google.com/apis/enableflow?apiid=youtube.googleapis.com&project=sixth-grammar-344520)\n",
    "1. [Authorize credentials for desktop app](https://developers.google.com/drive/api/quickstart/python#authorize_credentials_for_a_desktop_application)\n",
    "1. `pip install --upgrade google-api-python-client google-auth-httplib2 google-auth-oauthlib youtube-transcript-api`\n",
    "\n",
    "### 🧑 Instructions for ingesting your Google Docs data\n",
    "By default, the `GoogleDriveLoader` expects the `credentials.json` file to be `~/.credentials/credentials.json`, but this is configurable using the `credentials_file` keyword argument. Same thing with `token.json`. Note that `token.json` will be created automatically the first time you use the loader.\n",
    "\n",
    "`GoogleApiYoutubeLoader` can load from a list of Google Docs document ids or a folder id. You can obtain your folder and document id from the URL:\n",
    "Note depending on your set up, the `service_account_path` needs to be set up. See [here](https://developers.google.com/drive/api/v3/quickstart/python) for more details."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "c345bc43",
   "metadata": {},
   "outputs": [],
   "source": [
    "from langchain.document_loaders import GoogleApiClient, GoogleApiYoutubeLoader\n",
    "\n",
    "# Init the GoogleApiClient \n",
    "from pathlib import Path\n",
    "\n",
    "\n",
    "google_api_client = GoogleApiClient(credentials_path=Path(\"your_path_creds.json\"))\n",
    "\n",
    "\n",
    "# Use a Channel\n",
    "youtube_loader_channel = GoogleApiYoutubeLoader(google_api_client=google_api_client, channel_name=\"Reducible\",captions_language=\"en\")\n",
    "\n",
    "# Use Youtube Ids\n",
    "\n",
    "youtube_loader_ids = GoogleApiYoutubeLoader(google_api_client=google_api_client, video_ids=[\"TrdevFK_am4\"], add_video_info=True)\n",
    "\n",
    "# returns a list of Documents\n",
    "youtube_loader_channel.load()"
   ]
  }
 ],
 "metadata": {
  "kernelspec": {
   "display_name": "Python 3 (ipykernel)",
   "language": "python",
   "name": "python3"
  },
  "language_info": {
   "codemirror_mode": {
    "name": "ipython",
    "version": 3
   },
   "file_extension": ".py",
   "mimetype": "text/x-python",
   "name": "python",
   "nbconvert_exporter": "python",
   "pygments_lexer": "ipython3",
   "version": "3.10.6"
  },
  "vscode": {
   "interpreter": {
    "hash": "604c1013f65d31a2eb1fca07aae054bedd5a5a0d272dbb31e502c81f0b254b99"
   }
  }
 },
 "nbformat": 4,
 "nbformat_minor": 5
}