Feature/externalize model list (#2113)

* fixes * test json * test json * externalize model list * externalize model list * correcting awsChatBedRock Name * lint fixes * externalize models * externalize chat models * externalize chat models * externalize llm models * externalize llm models * lint fixes * addition of models for ChatMistral * updating version numbers for all imapacted nodes. * marketplace template updates * update embeddings, marketplaces, add chatCohere * config changes for new env variable * removal of local models.json * update models json file --------- Co-authored-by: Henry <hzj94@hotmail.com>
2026-06-29 03:01:10 +03:00 · 2024-04-12 17:16:10 +05:30
parent 4daf29db80
commit 788d40f26b
76 changed files with 789 additions and 4044 deletions
@@ -0,0 +1,87 @@
+import { BaseCache } from '@langchain/core/caches'
+import { ChatCohere, ChatCohereInput } from '@langchain/cohere'
+import { ICommonObject, INode, INodeData, INodeOptionsValue, INodeParams } from '../../../src/Interface'
+import { getBaseClasses, getCredentialData, getCredentialParam } from '../../../src/utils'
+import { MODEL_TYPE, getModels } from '../../../src/modelLoader'
+
+class ChatCohere_ChatModels implements INode {
+    label: string
+    name: string
+    version: number
+    type: string
+    icon: string
+    category: string
+    description: string
+    baseClasses: string[]
+    credential: INodeParams
+    inputs: INodeParams[]
+
+    constructor() {
+        this.label = 'ChatCohere'
+        this.name = 'chatCohere'
+        this.version = 1.0
+        this.type = 'ChatCohere'
+        this.icon = 'Cohere.svg'
+        this.category = 'Chat Models'
+        this.description = 'Wrapper around Cohere Chat Endpoints'
+        this.baseClasses = [this.type, ...getBaseClasses(ChatCohere)]
+        this.credential = {
+            label: 'Connect Credential',
+            name: 'credential',
+            type: 'credential',
+            credentialNames: ['cohereApi']
+        }
+        this.inputs = [
+            {
+                label: 'Cache',
+                name: 'cache',
+                type: 'BaseCache',
+                optional: true
+            },
+            {
+                label: 'Model Name',
+                name: 'modelName',
+                type: 'asyncOptions',
+                loadMethod: 'listModels',
+                default: 'command-r'
+            },
+            {
+                label: 'Temperature',
+                name: 'temperature',
+                type: 'number',
+                step: 0.1,
+                default: 0.7,
+                optional: true
+            }
+        ]
+    }
+
+    //@ts-ignore
+    loadMethods = {
+        async listModels(): Promise<INodeOptionsValue[]> {
+            return await getModels(MODEL_TYPE.CHAT, 'chatCohere')
+        }
+    }
+
+    async init(nodeData: INodeData, _: string, options: ICommonObject): Promise<any> {
+        const modelName = nodeData.inputs?.modelName as string
+        const cache = nodeData.inputs?.cache as BaseCache
+        const temperature = nodeData.inputs?.temperature as string
+        const streaming = nodeData.inputs?.streaming as boolean
+        const credentialData = await getCredentialData(nodeData.credential ?? '', options)
+        const cohereApiKey = getCredentialParam('cohereApiKey', credentialData, nodeData)
+
+        const obj: ChatCohereInput = {
+            model: modelName,
+            apiKey: cohereApiKey,
+            temperature: temperature ? parseFloat(temperature) : undefined,
+            streaming: streaming ?? true
+        }
+        if (cache) obj.cache = cache
+
+        const model = new ChatCohere(obj)
+        return model
+    }
+}
+
+module.exports = { nodeClass: ChatCohere_ChatModels }