forked from Archives/langchain
added code-analysis-deeplake.ipynb (#2844)
This notebook is heavily copied from the `twitter-the-algorithm-analysis-deeplake.ipynb`fix_agent_callbacks
leo-gan
1 year ago
committed by
GitHub
parent
70ffe470aa
commit
ecc1a0c051
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{
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"cells": [
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"# Use LangChain, GPT and Deep Lake to work with code base\n",
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"In this tutorial, we are going to use Langchain + Deep Lake with GPT to analyze the code base of the LangChain itself. "
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"## Design"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"1. Prepare data:\n",
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" 1. Upload all python project files using the `langchain.document_loaders.TextLoader`. We will call these files the **documents**.\n",
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" 2. Split all documents to chunks using the `langchain.text_splitter.CharacterTextSplitter`.\n",
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" 3. Embed chunks and upload them into the DeepLake using `langchain.embeddings.openai.OpenAIEmbeddings` and `langchain.vectorstores.DeepLake`\n",
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"2. Question-Answering:\n",
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" 1. Build a chain from `langchain.chat_models.ChatOpenAI` and `langchain.chains.ConversationalRetrievalChain`\n",
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" 2. Prepare questions.\n",
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" 3. Get answers running the chain.\n"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"## Implementation"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {
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"tags": []
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},
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"source": [
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"### Integration preparations"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"We need to set up keys for external services and install necessary python libraries."
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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": 3,
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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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"#!python3 -m pip install --upgrade langchain deeplake openai"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"Set up OpenAI embeddings, Deep Lake multi-modal vector store api and authenticate. \n",
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"\n",
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"For full documentation of Deep Lake please follow https://docs.activeloop.ai/ and API reference https://docs.deeplake.ai/en/latest/"
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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": 5,
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"metadata": {
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"tags": []
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},
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"outputs": [
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{
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"name": "stdin",
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"output_type": "stream",
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"text": [
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" ········\n"
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]
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}
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],
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"source": [
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"import os\n",
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"from getpass import getpass\n",
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"\n",
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"os.environ['OPENAI_API_KEY'] = getpass()\n",
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"# Please manually enter OpenAI Key"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"Authenticate into Deep Lake if you want to create your own dataset and publish it. You can get an API key from the platform at https://app.activeloop.ai"
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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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"metadata": {
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"tags": []
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},
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"outputs": [
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{
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"name": "stdin",
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"output_type": "stream",
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"text": [
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" ········\n"
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]
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}
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],
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"source": [
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"DEEPLAKE_ACCOUNT_NAME = getpass()"
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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": 7,
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"metadata": {
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"tags": []
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},
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"outputs": [
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{
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"name": "stdin",
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"output_type": "stream",
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"text": [
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" ········\n"
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]
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}
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],
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"source": [
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"os.environ['DEEPLAKE_KEY'] = getpass()"
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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": 22,
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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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"!activeloop login -t $DEEPLAKE_KEY"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"### Prepare data "
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"Load all repository files. Here we assume this notebook is downloaded as the part of the langchain fork and we work with the python files of the `langchain` repo.\n",
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"\n",
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"If you want to use files from different repo, change `root_dir` to the root dir of your repo."
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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": 8,
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"metadata": {
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"tags": []
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},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"1147\n"
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]
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}
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],
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"source": [
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"from langchain.document_loaders import TextLoader\n",
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"\n",
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"root_dir = '../../../..'\n",
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"\n",
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"docs = []\n",
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"for dirpath, dirnames, filenames in os.walk(root_dir):\n",
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" for file in filenames:\n",
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" if file.endswith('.py') and '/.venv/' not in dirpath:\n",
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" try: \n",
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" loader = TextLoader(os.path.join(dirpath, file), encoding='utf-8')\n",
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" docs.extend(loader.load_and_split())\n",
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" except Exception as e: \n",
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" pass\n",
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"print(f'{len(docs)}')"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"Then, chunk the 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": 13,
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"metadata": {
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"tags": []
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},
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"outputs": [
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{
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"name": "stderr",
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"output_type": "stream",
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"text": [
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]
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},
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"3477\n"
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]
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}
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],
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"source": [
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"from langchain.text_splitter import CharacterTextSplitter\n",
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"\n",
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"text_splitter = CharacterTextSplitter(chunk_size=1000, chunk_overlap=0)\n",
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"texts = text_splitter.split_documents(docs)\n",
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"print(f\"{len(texts)}\")"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"Then embed chunks and upload them to the DeepLake.\n",
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"\n",
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"This can take several minutes. "
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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": 14,
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"metadata": {
|
||||
"tags": []
|
||||
},
|
||||
"outputs": [
|
||||
{
|
||||
"data": {
|
||||
"text/plain": [
|
||||
"OpenAIEmbeddings(client=<class 'openai.api_resources.embedding.Embedding'>, model='text-embedding-ada-002', document_model_name='text-embedding-ada-002', query_model_name='text-embedding-ada-002', embedding_ctx_length=8191, openai_api_key=None, openai_organization=None, allowed_special=set(), disallowed_special='all', chunk_size=1000, max_retries=6)"
|
||||
]
|
||||
},
|
||||
"execution_count": 14,
|
||||
"metadata": {},
|
||||
"output_type": "execute_result"
|
||||
}
|
||||
],
|
||||
"source": [
|
||||
"from langchain.embeddings.openai import OpenAIEmbeddings\n",
|
||||
"\n",
|
||||
"embeddings = OpenAIEmbeddings()\n",
|
||||
"embeddings"
|
||||
]
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": null,
|
||||
"metadata": {
|
||||
"tags": []
|
||||
},
|
||||
"outputs": [],
|
||||
"source": [
|
||||
"from langchain.vectorstores import DeepLake\n",
|
||||
"\n",
|
||||
"db = DeepLake.from_documents(texts, embeddings, dataset_path=f\"hub://{DEEPLAKE_ACCOUNT_NAME}/langchain-code\")\n",
|
||||
"db"
|
||||
]
|
||||
},
|
||||
{
|
||||
"cell_type": "markdown",
|
||||
"metadata": {},
|
||||
"source": [
|
||||
"### Question Answering\n",
|
||||
"First load the dataset, construct the retriever, then construct the Conversational Chain"
|
||||
]
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": 16,
|
||||
"metadata": {
|
||||
"tags": []
|
||||
},
|
||||
"outputs": [
|
||||
{
|
||||
"name": "stderr",
|
||||
"output_type": "stream",
|
||||
"text": [
|
||||
"-"
|
||||
]
|
||||
},
|
||||
{
|
||||
"name": "stdout",
|
||||
"output_type": "stream",
|
||||
"text": [
|
||||
"This dataset can be visualized in Jupyter Notebook by ds.visualize() or at https://app.activeloop.ai/user_name/langchain-code\n",
|
||||
"\n"
|
||||
]
|
||||
},
|
||||
{
|
||||
"name": "stderr",
|
||||
"output_type": "stream",
|
||||
"text": [
|
||||
"/"
|
||||
]
|
||||
},
|
||||
{
|
||||
"name": "stdout",
|
||||
"output_type": "stream",
|
||||
"text": [
|
||||
"hub://user_name/langchain-code loaded successfully.\n",
|
||||
"\n"
|
||||
]
|
||||
},
|
||||
{
|
||||
"name": "stderr",
|
||||
"output_type": "stream",
|
||||
"text": [
|
||||
"Deep Lake Dataset in hub://user_name/langchain-code already exists, loading from the storage\n"
|
||||
]
|
||||
},
|
||||
{
|
||||
"name": "stdout",
|
||||
"output_type": "stream",
|
||||
"text": [
|
||||
"Dataset(path='hub://user_name/langchain-code', read_only=True, tensors=['embedding', 'ids', 'metadata', 'text'])\n",
|
||||
"\n",
|
||||
" tensor htype shape dtype compression\n",
|
||||
" ------- ------- ------- ------- ------- \n",
|
||||
" embedding generic (3477, 1536) float32 None \n",
|
||||
" ids text (3477, 1) str None \n",
|
||||
" metadata json (3477, 1) str None \n",
|
||||
" text text (3477, 1) str None \n"
|
||||
]
|
||||
}
|
||||
],
|
||||
"source": [
|
||||
"db = DeepLake(dataset_path=f\"hub://{DEEPLAKE_ACCOUNT_NAME}/langchain-code\", read_only=True, embedding_function=embeddings)"
|
||||
]
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": 17,
|
||||
"metadata": {
|
||||
"tags": []
|
||||
},
|
||||
"outputs": [],
|
||||
"source": [
|
||||
"retriever = db.as_retriever()\n",
|
||||
"retriever.search_kwargs['distance_metric'] = 'cos'\n",
|
||||
"retriever.search_kwargs['fetch_k'] = 20\n",
|
||||
"retriever.search_kwargs['maximal_marginal_relevance'] = True\n",
|
||||
"retriever.search_kwargs['k'] = 20"
|
||||
]
|
||||
},
|
||||
{
|
||||
"cell_type": "markdown",
|
||||
"metadata": {},
|
||||
"source": [
|
||||
"You can also specify user defined functions using [Deep Lake filters](https://docs.deeplake.ai/en/latest/deeplake.core.dataset.html#deeplake.core.dataset.Dataset.filter)"
|
||||
]
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": 18,
|
||||
"metadata": {
|
||||
"tags": []
|
||||
},
|
||||
"outputs": [],
|
||||
"source": [
|
||||
"def filter(x):\n",
|
||||
" # filter based on source code\n",
|
||||
" if 'something' in x['text'].data()['value']:\n",
|
||||
" return False\n",
|
||||
" \n",
|
||||
" # filter based on path e.g. extension\n",
|
||||
" metadata = x['metadata'].data()['value']\n",
|
||||
" return 'only_this' in metadata['source'] or 'also_that' in metadata['source']\n",
|
||||
"\n",
|
||||
"### turn on below for custom filtering\n",
|
||||
"# retriever.search_kwargs['filter'] = filter"
|
||||
]
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": 19,
|
||||
"metadata": {
|
||||
"tags": []
|
||||
},
|
||||
"outputs": [],
|
||||
"source": [
|
||||
"from langchain.chat_models import ChatOpenAI\n",
|
||||
"from langchain.chains import ConversationalRetrievalChain\n",
|
||||
"\n",
|
||||
"model = ChatOpenAI(model='gpt-3.5-turbo') # 'ada' 'gpt-3.5-turbo' 'gpt-4',\n",
|
||||
"qa = ConversationalRetrievalChain.from_llm(model,retriever=retriever)"
|
||||
]
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": null,
|
||||
"metadata": {
|
||||
"tags": []
|
||||
},
|
||||
"outputs": [],
|
||||
"source": [
|
||||
"questions = [\n",
|
||||
" \"What is the class hierarchy?\",\n",
|
||||
" # \"What classes are derived from the Chain class?\",\n",
|
||||
" # \"What classes and functions in the ./langchain/utilities/ forlder are not covered by unit tests?\",\n",
|
||||
" # \"What one improvement do you propose in code in relation to the class herarchy for the Chain class?\",\n",
|
||||
"] \n",
|
||||
"chat_history = []\n",
|
||||
"\n",
|
||||
"for question in questions: \n",
|
||||
" result = qa({\"question\": question, \"chat_history\": chat_history})\n",
|
||||
" chat_history.append((question, result['answer']))\n",
|
||||
" print(f\"-> **Question**: {question} \\n\")\n",
|
||||
" print(f\"**Answer**: {result['answer']} \\n\")\n"
|
||||
]
|
||||
},
|
||||
{
|
||||
"cell_type": "markdown",
|
||||
"metadata": {
|
||||
"tags": []
|
||||
},
|
||||
"source": [
|
||||
"-> **Question**: What is the class hierarchy? \n",
|
||||
"\n",
|
||||
"**Answer**: There are several class hierarchies in the provided code, so I'll list a few:\n",
|
||||
"\n",
|
||||
"1. `BaseModel` -> `ConstitutionalPrinciple`: `ConstitutionalPrinciple` is a subclass of `BaseModel`.\n",
|
||||
"2. `BasePromptTemplate` -> `StringPromptTemplate`, `AIMessagePromptTemplate`, `BaseChatPromptTemplate`, `ChatMessagePromptTemplate`, `ChatPromptTemplate`, `HumanMessagePromptTemplate`, `MessagesPlaceholder`, `SystemMessagePromptTemplate`, `FewShotPromptTemplate`, `FewShotPromptWithTemplates`, `Prompt`, `PromptTemplate`: All of these classes are subclasses of `BasePromptTemplate`.\n",
|
||||
"3. `APIChain`, `Chain`, `MapReduceDocumentsChain`, `MapRerankDocumentsChain`, `RefineDocumentsChain`, `StuffDocumentsChain`, `HypotheticalDocumentEmbedder`, `LLMChain`, `LLMBashChain`, `LLMCheckerChain`, `LLMMathChain`, `LLMRequestsChain`, `PALChain`, `QAWithSourcesChain`, `VectorDBQAWithSourcesChain`, `VectorDBQA`, `SQLDatabaseChain`: All of these classes are subclasses of `Chain`.\n",
|
||||
"4. `BaseLoader`: `BaseLoader` is a subclass of `ABC`.\n",
|
||||
"5. `BaseTracer` -> `ChainRun`, `LLMRun`, `SharedTracer`, `ToolRun`, `Tracer`, `TracerException`, `TracerSession`: All of these classes are subclasses of `BaseTracer`.\n",
|
||||
"6. `OpenAIEmbeddings`, `HuggingFaceEmbeddings`, `CohereEmbeddings`, `JinaEmbeddings`, `LlamaCppEmbeddings`, `HuggingFaceHubEmbeddings`, `TensorflowHubEmbeddings`, `SagemakerEndpointEmbeddings`, `HuggingFaceInstructEmbeddings`, `SelfHostedEmbeddings`, `SelfHostedHuggingFaceEmbeddings`, `SelfHostedHuggingFaceInstructEmbeddings`, `FakeEmbeddings`, `AlephAlphaAsymmetricSemanticEmbedding`, `AlephAlphaSymmetricSemanticEmbedding`: All of these classes are subclasses of `BaseLLM`. \n",
|
||||
"\n",
|
||||
"\n",
|
||||
"-> **Question**: What classes are derived from the Chain class? \n",
|
||||
"\n",
|
||||
"**Answer**: There are multiple classes that are derived from the Chain class. Some of them are:\n",
|
||||
"- APIChain\n",
|
||||
"- AnalyzeDocumentChain\n",
|
||||
"- ChatVectorDBChain\n",
|
||||
"- CombineDocumentsChain\n",
|
||||
"- ConstitutionalChain\n",
|
||||
"- ConversationChain\n",
|
||||
"- GraphQAChain\n",
|
||||
"- HypotheticalDocumentEmbedder\n",
|
||||
"- LLMChain\n",
|
||||
"- LLMCheckerChain\n",
|
||||
"- LLMRequestsChain\n",
|
||||
"- LLMSummarizationCheckerChain\n",
|
||||
"- MapReduceChain\n",
|
||||
"- OpenAPIEndpointChain\n",
|
||||
"- PALChain\n",
|
||||
"- QAWithSourcesChain\n",
|
||||
"- RetrievalQA\n",
|
||||
"- RetrievalQAWithSourcesChain\n",
|
||||
"- SequentialChain\n",
|
||||
"- SQLDatabaseChain\n",
|
||||
"- TransformChain\n",
|
||||
"- VectorDBQA\n",
|
||||
"- VectorDBQAWithSourcesChain\n",
|
||||
"\n",
|
||||
"There might be more classes that are derived from the Chain class as it is possible to create custom classes that extend the Chain class.\n",
|
||||
"\n",
|
||||
"\n",
|
||||
"-> **Question**: What classes and functions in the ./langchain/utilities/ forlder are not covered by unit tests? \n",
|
||||
"\n",
|
||||
"**Answer**: All classes and functions in the `./langchain/utilities/` folder seem to have unit tests written for them. \n"
|
||||
]
|
||||
},
|
||||
{
|
||||
"cell_type": "markdown",
|
||||
"metadata": {},
|
||||
"source": []
|
||||
}
|
||||
],
|
||||
"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"
|
||||
}
|
||||
},
|
||||
"nbformat": 4,
|
||||
"nbformat_minor": 4
|
||||
}
|
||||
Loading…
Reference in New Issue