File size: 4,758 Bytes
4114d85 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 |
import { INode, INodeData, INodeParams } from '../../../src/Interface'
import { getBaseClasses } from '../../../src/utils'
import { ChatOpenAI, OpenAIChatInput } from 'langchain/chat_models/openai'
class ChatOpenAI_ChatModels implements INode {
label: string
name: string
type: string
icon: string
category: string
description: string
baseClasses: string[]
inputs: INodeParams[]
constructor() {
this.label = 'ChatOpenAI'
this.name = 'chatOpenAI'
this.type = 'ChatOpenAI'
this.icon = 'openai.png'
this.category = 'Chat Models'
this.description = 'Wrapper around OpenAI large language models that use the Chat endpoint'
this.baseClasses = [this.type, ...getBaseClasses(ChatOpenAI)]
this.inputs = [
{
label: 'OpenAI Api Key',
name: 'openAIApiKey',
type: 'password'
},
{
label: 'Model Name',
name: 'modelName',
type: 'options',
options: [
{
label: 'gpt-4',
name: 'gpt-4'
},
{
label: 'gpt-4-0314',
name: 'gpt-4-0314'
},
{
label: 'gpt-4-32k-0314',
name: 'gpt-4-32k-0314'
},
{
label: 'gpt-3.5-turbo',
name: 'gpt-3.5-turbo'
},
{
label: 'gpt-3.5-turbo-0301',
name: 'gpt-3.5-turbo-0301'
}
],
default: 'gpt-3.5-turbo',
optional: true
},
{
label: 'Temperature',
name: 'temperature',
type: 'number',
default: 0.9,
optional: true
},
{
label: 'Max Tokens',
name: 'maxTokens',
type: 'number',
optional: true,
additionalParams: true
},
{
label: 'Top Probability',
name: 'topP',
type: 'number',
optional: true,
additionalParams: true
},
{
label: 'Frequency Penalty',
name: 'frequencyPenalty',
type: 'number',
optional: true,
additionalParams: true
},
{
label: 'Presence Penalty',
name: 'presencePenalty',
type: 'number',
optional: true,
additionalParams: true
},
{
label: 'Timeout',
name: 'timeout',
type: 'number',
optional: true,
additionalParams: true
},
{
label: 'BasePath',
name: 'basepath',
type: 'string',
optional: true,
additionalParams: true
}
]
}
async init(nodeData: INodeData): Promise<any> {
const temperature = nodeData.inputs?.temperature as string
const modelName = nodeData.inputs?.modelName as string
const openAIApiKey = nodeData.inputs?.openAIApiKey as string
const maxTokens = nodeData.inputs?.maxTokens as string
const topP = nodeData.inputs?.topP as string
const frequencyPenalty = nodeData.inputs?.frequencyPenalty as string
const presencePenalty = nodeData.inputs?.presencePenalty as string
const timeout = nodeData.inputs?.timeout as string
const streaming = nodeData.inputs?.streaming as boolean
const basePath = nodeData.inputs?.basepath as string
const obj: Partial<OpenAIChatInput> & { openAIApiKey?: string } = {
temperature: parseInt(temperature, 10),
modelName,
openAIApiKey,
streaming: streaming ?? true
}
if (maxTokens) obj.maxTokens = parseInt(maxTokens, 10)
if (topP) obj.topP = parseInt(topP, 10)
if (frequencyPenalty) obj.frequencyPenalty = parseInt(frequencyPenalty, 10)
if (presencePenalty) obj.presencePenalty = parseInt(presencePenalty, 10)
if (timeout) obj.timeout = parseInt(timeout, 10)
const model = new ChatOpenAI(obj, {
basePath
})
return model
}
}
module.exports = { nodeClass: ChatOpenAI_ChatModels }
|