docs/api_refs/blacklisted-entrypoints.json

@@ -58,6 +58,7 @@
   "../../langchain/src/vectorstores/faiss.ts",
   "../../langchain/src/vectorstores/weaviate.ts",
   "../../langchain/src/vectorstores/lancedb.ts",
+  "../../langchain/src/vectorstores/mariadb.ts",
   "../../langchain/src/vectorstores/momento_vector_index.ts",
   "../../langchain/src/vectorstores/mongodb_atlas.ts",
   "../../langchain/src/vectorstores/pinecone.ts",

docs/core_docs/.gitignore

@@ -250,6 +250,8 @@ docs/integrations/vectorstores/mongodb_atlas.md
 docs/integrations/vectorstores/mongodb_atlas.mdx
 docs/integrations/vectorstores/memory.md
 docs/integrations/vectorstores/memory.mdx
+docs/integrations/vectorstores/mariadb.md
+docs/integrations/vectorstores/mariadb.mdx
 docs/integrations/vectorstores/hnswlib.md
 docs/integrations/vectorstores/hnswlib.mdx
 docs/integrations/vectorstores/faiss.md

docs/core_docs/docs/how_to/indexing.mdx

@@ -63,7 +63,7 @@ When content is mutated (e.g., the source PDF file was revised) there will be a
    b). delete by id (delete method with ids argument)
 
 Compatible Vectorstores: [`PGVector`](/docs/integrations/vectorstores/pgvector), [`Chroma`](/docs/integrations/vectorstores/chroma), [`CloudflareVectorize`](/docs/integrations/vectorstores/cloudflare_vectorize),
-[`ElasticVectorSearch`](/docs/integrations/vectorstores/elasticsearch), [`FAISS`](/docs/integrations/vectorstores/faiss), [`MomentoVectorIndex`](/docs/integrations/vectorstores/momento_vector_index),
+[`ElasticVectorSearch`](/docs/integrations/vectorstores/elasticsearch), [`FAISS`](/docs/integrations/vectorstores/faiss), [`MariaDB`](/docs/integrations/vectorstores/mariadb), [`MomentoVectorIndex`](/docs/integrations/vectorstores/momento_vector_index),
 [`Pinecone`](/docs/integrations/vectorstores/pinecone), [`SupabaseVectorStore`](/docs/integrations/vectorstores/supabase), [`VercelPostgresVectorStore`](/docs/integrations/vectorstores/vercel_postgres),
 [`Weaviate`](/docs/integrations/vectorstores/weaviate), [`Xata`](/docs/integrations/vectorstores/xata)
 

docs/core_docs/docs/how_to/sequence.ipynb

@@ -58,7 +58,7 @@
         "<IntegrationInstallTooltip></IntegrationInstallTooltip>\n",
         "\n",
         "<Npm2Yarn>\n",
-        "  @langchain/core @langchain/core\n",
+        "  langchain @langchain/core\n",
         "</Npm2Yarn>\n",
         "```"
       ]

docs/core_docs/docs/integrations/chat/perplexity.ipynb

@@ -0,0 +1,284 @@
+{
+ "cells": [
+  {
+   "cell_type": "raw",
+   "id": "afaf8039",
+   "metadata": {
+    "vscode": {
+     "languageId": "raw"
+    }
+   },
+   "source": [
+    "---\n",
+    "sidebar_label: Perplexity\n",
+    "---"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "e49f1e0d",
+   "metadata": {},
+   "source": [
+    "# ChatPerplexity\n",
+    "\n",
+    "This guide will help you getting started with Perplexity [chat models](/docs/concepts/#chat-models). For detailed documentation of all `ChatPerplexity` features and configurations head to the [API reference](https://api.js.langchain.com/classes/_langchain_community.chat_models_perplexity.ChatPerplexity.html).\n",
+    "\n",
+    "## Overview\n",
+    "### Integration details\n",
+    "\n",
+    "| Class | Package | Local | Serializable | [PY support](https://python.langchain.com/docs/integrations/chat/perplexity/) | Package downloads | Package latest |\n",
+    "| :--- | :--- | :---: | :---: |  :---: | :---: | :---: |\n",
+    "| [`ChatPerplexity`](https://api.js.langchain.com/classes/_langchain_community.chat_models_perplexity.ChatPerplexity.html) | [`@langchain/community`](https://npmjs.com/@langchain/community) | ❌ | beta | ✅ | ![NPM - Downloads](https://img.shields.io/npm/dm/@langchain/community?style=flat-square&label=%20&) | ![NPM - Version](https://img.shields.io/npm/v/@langchain/community?style=flat-square&label=%20&) |\n",
+    "\n",
+    "### Model features\n",
+    "\n",
+    "See the links in the table headers below for guides on how to use specific features.\n",
+    "\n",
+    "| [Tool calling](/docs/how_to/tool_calling) | [Structured output](/docs/how_to/structured_output/) | JSON mode | [Image input](/docs/how_to/multimodal_inputs/) | Audio input | Video input | [Token-level streaming](/docs/how_to/chat_streaming/) | [Token usage](/docs/how_to/chat_token_usage_tracking/) | [Logprobs](/docs/how_to/logprobs/) |\n",
+    "| :---: | :---: | :---: | :---: |  :---: | :---: | :---: | :---: | :---: |\n",
+    "| ❌ | ✅ | ❌ | ❌ | ❌ | ❌ | ✅ | ✅ | ❌ | \n",
+    "\n",
+    "Note that at the time of writing, Perplexity only supports structured outputs on certain usage tiers.\n",
+    "\n",
+    "## Setup\n",
+    "\n",
+    "To access Perplexity models you'll need to create a Perplexity account, get an API key, and install the `@langchain/community` integration package.\n",
+    "\n",
+    "### Credentials\n",
+    "\n",
+    "Head to https://perplexity.ai to sign up for Perplexity and generate an API key. Once you've done this set the `PERPLEXITY_API_KEY` environment variable:\n",
+    "\n",
+    "```bash\n",
+    "export PERPLEXITY_API_KEY=\"your-api-key\"\n",
+    "```\n",
+    "\n",
+    "If you want to get automated tracing of your model calls you can also set your [LangSmith](https://docs.smith.langchain.com/) API key by uncommenting below:\n",
+    "\n",
+    "```bash\n",
+    "# export LANGSMITH_TRACING=\"true\"\n",
+    "# export LANGSMITH_API_KEY=\"your-api-key\"\n",
+    "```\n",
+    "\n",
+    "### Installation\n",
+    "\n",
+    "The LangChain Perplexity integration lives in the `@langchain/community` package:\n",
+    "\n",
+    "```{=mdx}\n",
+    "import IntegrationInstallTooltip from \"@mdx_components/integration_install_tooltip.mdx\";\n",
+    "import Npm2Yarn from \"@theme/Npm2Yarn\";\n",
+    "\n",
+    "<IntegrationInstallTooltip></IntegrationInstallTooltip>\n",
+    "\n",
+    "<Npm2Yarn>\n",
+    "  @langchain/community @langchain/core\n",
+    "</Npm2Yarn>\n",
+    "\n",
+    "```"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "a38cde65-254d-4219-a441-068766c0d4b5",
+   "metadata": {},
+   "source": [
+    "## Instantiation\n",
+    "\n",
+    "Now we can instantiate our model object and generate chat completions:"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "id": "cb09c344-1836-4e0c-acf8-11d13ac1dbae",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "import { ChatPerplexity } from \"@langchain/community/chat_models/perplexity\"\n",
+    "\n",
+    "const llm = new ChatPerplexity({\n",
+    "  model: \"sonar\",\n",
+    "  temperature: 0,\n",
+    "  maxTokens: undefined,\n",
+    "  timeout: undefined,\n",
+    "  maxRetries: 2,\n",
+    "  // other params...\n",
+    "})"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "2b4f3e15",
+   "metadata": {},
+   "source": [
+    "## Invocation"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "id": "62e0dbc3",
+   "metadata": {
+    "tags": []
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "AIMessage {\n",
+      "  \"id\": \"run-71853938-aa30-4861-9019-f12323c09f9a\",\n",
+      "  \"content\": \"J'adore la programmation.\",\n",
+      "  \"additional_kwargs\": {\n",
+      "    \"citations\": [\n",
+      "      \"https://careersatagoda.com/blog/why-we-love-programming/\",\n",
+      "      \"https://henrikwarne.com/2012/06/02/why-i-love-coding/\",\n",
+      "      \"https://forum.freecodecamp.org/t/i-love-programming-but/497502\",\n",
+      "      \"https://ilovecoding.org\",\n",
+      "      \"https://thecodinglove.com\"\n",
+      "    ]\n",
+      "  },\n",
+      "  \"response_metadata\": {\n",
+      "    \"tokenUsage\": {\n",
+      "      \"promptTokens\": 20,\n",
+      "      \"completionTokens\": 9,\n",
+      "      \"totalTokens\": 29\n",
+      "    }\n",
+      "  },\n",
+      "  \"tool_calls\": [],\n",
+      "  \"invalid_tool_calls\": []\n",
+      "}\n"
+     ]
+    }
+   ],
+   "source": [
+    "const aiMsg = await llm.invoke([\n",
+    "  {\n",
+    "    role: \"system\",\n",
+    "    content: \"You are a helpful assistant that translates English to French. Translate the user sentence.\",\n",
+    "  },\n",
+    "  {\n",
+    "    role: \"user\",\n",
+    "    content: \"I love programming.\",\n",
+    "  },\n",
+    "])\n",
+    "aiMsg"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "id": "d86145b3-bfef-46e8-b227-4dda5c9c2705",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "J'adore la programmation.\n"
+     ]
+    }
+   ],
+   "source": [
+    "console.log(aiMsg.content)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "18e2bfc0-7e78-4528-a73f-499ac150dca8",
+   "metadata": {},
+   "source": [
+    "## Chaining\n",
+    "\n",
+    "We can [chain](/docs/how_to/sequence/) our model with a prompt template like so:"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 4,
+   "id": "e197d1d7-a070-4c96-9f8a-a0e86d046e0b",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "AIMessage {\n",
+      "  \"id\": \"run-a44dc452-4a71-423d-a4ee-50a2d7c90abd\",\n",
+      "  \"content\": \"**English to German Translation:**\\n\\n\\\"I love programming\\\" translates to **\\\"Ich liebe das Programmieren.\\\"**\\n\\nIf you'd like to express your passion for programming in more detail, here are some additional translations:\\n\\n- **\\\"Programming is incredibly rewarding and fulfilling.\\\"** translates to **\\\"Das Programmieren ist unglaublich lohnend und erfüllend.\\\"**\\n- **\\\"I enjoy solving problems through coding.\\\"** translates to **\\\"Ich genieße es, Probleme durch Codieren zu lösen.\\\"**\\n- **\\\"I find the process of creating something from nothing very satisfying.\\\"** translates to **\\\"Ich finde den Prozess, etwas aus dem Nichts zu schaffen, sehr befriedigend.\\\"**\",\n",
+      "  \"additional_kwargs\": {\n",
+      "    \"citations\": [\n",
+      "      \"https://careersatagoda.com/blog/why-we-love-programming/\",\n",
+      "      \"https://henrikwarne.com/2012/06/02/why-i-love-coding/\",\n",
+      "      \"https://dev.to/dvddpl/coding-is-boring-why-do-you-love-coding-cl0\",\n",
+      "      \"https://forum.freecodecamp.org/t/i-love-programming-but/497502\",\n",
+      "      \"https://ilovecoding.org\"\n",
+      "    ]\n",
+      "  },\n",
+      "  \"response_metadata\": {\n",
+      "    \"tokenUsage\": {\n",
+      "      \"promptTokens\": 15,\n",
+      "      \"completionTokens\": 149,\n",
+      "      \"totalTokens\": 164\n",
+      "    }\n",
+      "  },\n",
+      "  \"tool_calls\": [],\n",
+      "  \"invalid_tool_calls\": []\n",
+      "}\n"
+     ]
+    }
+   ],
+   "source": [
+    "import { ChatPromptTemplate } from \"@langchain/core/prompts\"\n",
+    "\n",
+    "const prompt = ChatPromptTemplate.fromMessages(\n",
+    "  [\n",
+    "    [\n",
+    "      \"system\",\n",
+    "      \"You are a helpful assistant that translates {input_language} to {output_language}.\",\n",
+    "    ],\n",
+    "    [\"human\", \"{input}\"],\n",
+    "  ]\n",
+    ")\n",
+    "\n",
+    "const chain = prompt.pipe(llm);\n",
+    "await chain.invoke(\n",
+    "  {\n",
+    "    input_language: \"English\",\n",
+    "    output_language: \"German\",\n",
+    "    input: \"I love programming.\",\n",
+    "  }\n",
+    ")"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "3a5bb5ca-c3ae-4a58-be67-2cd18574b9a3",
+   "metadata": {},
+   "source": [
+    "## API reference\n",
+    "\n",
+    "For detailed documentation of all ChatPerplexity features and configurations head to the API reference: https://api.js.langchain.com/classes/_langchain_community.chat_models_perplexity.ChatPerplexity.html"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "TypeScript",
+   "language": "typescript",
+   "name": "tslab"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "mode": "typescript",
+    "name": "javascript",
+    "typescript": true
+   },
+   "file_extension": ".ts",
+   "mimetype": "text/typescript",
+   "name": "typescript",
+   "version": "3.7.2"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}