add faiss

2026-06-28 19:00:59 +03:00 · 2023-05-28 12:59:41 +01:00
parent 0dbd9e1127
commit cc42702cd0
7 changed files with 207 additions and 4 deletions
@@ -0,0 +1,70 @@
+import { INode, INodeData, INodeOutputsValue, INodeParams } from '../../../src/Interface'
+import { FaissStore } from 'langchain/vectorstores/faiss'
+import { Embeddings } from 'langchain/embeddings/base'
+import { getBaseClasses } from '../../../src/utils'
+
+class Faiss_Existing_VectorStores implements INode {
+    label: string
+    name: string
+    description: string
+    type: string
+    icon: string
+    category: string
+    baseClasses: string[]
+    inputs: INodeParams[]
+    outputs: INodeOutputsValue[]
+
+    constructor() {
+        this.label = 'Faiss Load Existing Index'
+        this.name = 'faissExistingIndex'
+        this.type = 'Faiss'
+        this.icon = 'faiss.svg'
+        this.category = 'Vector Stores'
+        this.description = 'Load existing index from Faiss (i.e: Document has been upserted)'
+        this.baseClasses = [this.type, 'VectorStoreRetriever', 'BaseRetriever']
+        this.inputs = [
+            {
+                label: 'Embeddings',
+                name: 'embeddings',
+                type: 'Embeddings'
+            },
+            {
+                label: 'Base Path to load',
+                name: 'basePath',
+                description: 'Path to load faiss.index file',
+                placeholder: `C:\\Users\\User\\Desktop`,
+                type: 'string'
+            }
+        ]
+        this.outputs = [
+            {
+                label: 'Faiss Retriever',
+                name: 'retriever',
+                baseClasses: this.baseClasses
+            },
+            {
+                label: 'Faiss Vector Store',
+                name: 'vectorStore',
+                baseClasses: [this.type, ...getBaseClasses(FaissStore)]
+            }
+        ]
+    }
+
+    async init(nodeData: INodeData): Promise<any> {
+        const embeddings = nodeData.inputs?.embeddings as Embeddings
+        const basePath = nodeData.inputs?.basePath as string
+        const output = nodeData.outputs?.output as string
+
+        const vectorStore = await FaissStore.load(basePath, embeddings)
+
+        if (output === 'retriever') {
+            const retriever = vectorStore.asRetriever()
+            return retriever
+        } else if (output === 'vectorStore') {
+            return vectorStore
+        }
+        return vectorStore
+    }
+}
+
+module.exports = { nodeClass: Faiss_Existing_VectorStores }
@@ -0,0 +1,10 @@
+<svg xmlns="http://www.w3.org/2000/svg" class="icon icon-tabler icon-tabler-chart-dots-3" width="24" height="24" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round">
+   <path stroke="none" d="M0 0h24v24H0z" fill="none"></path>
+   <path d="M5 7m-2 0a2 2 0 1 0 4 0a2 2 0 1 0 -4 0"></path>
+   <path d="M16 15m-2 0a2 2 0 1 0 4 0a2 2 0 1 0 -4 0"></path>
+   <path d="M18 6m-3 0a3 3 0 1 0 6 0a3 3 0 1 0 -6 0"></path>
+   <path d="M6 18m-3 0a3 3 0 1 0 6 0a3 3 0 1 0 -6 0"></path>
+   <path d="M9 17l5 -1.5"></path>
+   <path d="M6.5 8.5l7.81 5.37"></path>
+   <path d="M7 7l8 -1"></path>
+</svg>