Multimodal Fixes...removing all static methods/variables.

This commit is contained in:
vinodkiran
2024-02-15 18:18:36 -05:00
parent 9c874bb49a
commit 52ffa1772b
6 changed files with 70 additions and 70 deletions
@@ -2,15 +2,14 @@ import { FlowiseMemory, ICommonObject, INode, INodeData, INodeParams } from '../
import { ConversationChain } from 'langchain/chains'
import { getBaseClasses, handleEscapeCharacters } from '../../../src/utils'
import { ChatPromptTemplate, HumanMessagePromptTemplate, MessagesPlaceholder, SystemMessagePromptTemplate } from 'langchain/prompts'
import { BaseChatModel } from 'langchain/chat_models/base'
import { ConsoleCallbackHandler, CustomChainHandler, additionalCallbacks } from '../../../src/handler'
import { RunnableSequence } from 'langchain/schema/runnable'
import { StringOutputParser } from 'langchain/schema/output_parser'
import { HumanMessage } from 'langchain/schema'
import { ConsoleCallbackHandler as LCConsoleCallbackHandler } from '@langchain/core/tracers/console'
import { checkInputs, Moderation, streamResponse } from '../../moderation/Moderation'
import { formatResponse } from '../../outputparsers/OutputParserHelpers'
import { addImagesToMessages } from '../../../src/multiModalUtils'
import { ChatOpenAI } from '../../chatmodels/ChatOpenAI/FlowiseChatOpenAI'
import { injectRunnableNodeData } from '../../../src/multiModalUtils'
let systemMessage = `The following is a friendly conversation between a human and an AI. The AI is talkative and provides lots of specific details from its context. If the AI does not know the answer to a question, it truthfully says it does not know.`
const inputKey = 'input'
@@ -94,9 +93,10 @@ class ConversationChain_Chains implements INode {
async run(nodeData: INodeData, input: string, options: ICommonObject): Promise<string | object> {
const memory = nodeData.inputs?.memory
// injectChainNodeData(nodeData, options)
const chain = prepareChain(nodeData, options, this.sessionId)
injectRunnableNodeData(chain, nodeData, options)
const moderations = nodeData.inputs?.inputModeration as Moderation[]
if (moderations && moderations.length > 0) {
@@ -146,7 +146,7 @@ class ConversationChain_Chains implements INode {
}
}
const prepareChatPrompt = (nodeData: INodeData, humanImageMessages: HumanMessage[]) => {
const prepareChatPrompt = (nodeData: INodeData) => {
const memory = nodeData.inputs?.memory as FlowiseMemory
const prompt = nodeData.inputs?.systemMessagePrompt as string
const chatPromptTemplate = nodeData.inputs?.chatPromptTemplate as ChatPromptTemplate
@@ -154,10 +154,12 @@ const prepareChatPrompt = (nodeData: INodeData, humanImageMessages: HumanMessage
if (chatPromptTemplate && chatPromptTemplate.promptMessages.length) {
const sysPrompt = chatPromptTemplate.promptMessages[0]
const humanPrompt = chatPromptTemplate.promptMessages[chatPromptTemplate.promptMessages.length - 1]
const messages = [sysPrompt, new MessagesPlaceholder(memory.memoryKey ?? 'chat_history'), humanPrompt]
if (humanImageMessages.length) messages.push(...humanImageMessages)
const chatPrompt = ChatPromptTemplate.fromMessages([
sysPrompt,
new MessagesPlaceholder(memory.memoryKey ?? 'chat_history'),
humanPrompt
])
const chatPrompt = ChatPromptTemplate.fromMessages(messages)
if ((chatPromptTemplate as any).promptValues) {
// @ts-ignore
chatPrompt.promptValues = (chatPromptTemplate as any).promptValues
@@ -166,44 +168,22 @@ const prepareChatPrompt = (nodeData: INodeData, humanImageMessages: HumanMessage
return chatPrompt
}
const messages = [
const chatPrompt = ChatPromptTemplate.fromMessages([
SystemMessagePromptTemplate.fromTemplate(prompt ? prompt : systemMessage),
new MessagesPlaceholder(memory.memoryKey ?? 'chat_history'),
HumanMessagePromptTemplate.fromTemplate(`{${inputKey}}`)
]
if (humanImageMessages.length) messages.push(...(humanImageMessages as any[]))
const chatPrompt = ChatPromptTemplate.fromMessages(messages)
])
return chatPrompt
}
const prepareChain = (nodeData: INodeData, options: ICommonObject, sessionId?: string) => {
const chatHistory = options.chatHistory
let model = nodeData.inputs?.model as ChatOpenAI
const model = nodeData.inputs?.model as BaseChatModel
const memory = nodeData.inputs?.memory as FlowiseMemory
const memoryKey = memory.memoryKey ?? 'chat_history'
const messageContent = addImagesToMessages(nodeData, options, model.multiModalOption)
let humanImageMessages: HumanMessage[] = []
if (messageContent?.length) {
// Change model to gpt-4-vision
model.modelName = 'gpt-4-vision-preview'
// Change default max token to higher when using gpt-4-vision
model.maxTokens = 1024
for (const msg of messageContent) {
humanImageMessages.push(new HumanMessage({ content: [msg] }))
}
} else {
// revert to previous values if image upload is empty
model.modelName = model.configuredModel
model.maxTokens = model.configuredMaxToken
}
const chatPrompt = prepareChatPrompt(nodeData, humanImageMessages)
const chatPrompt = prepareChatPrompt(nodeData)
let promptVariables = {}
const promptValuesRaw = (chatPrompt as any).promptValues
if (promptValuesRaw) {
@@ -227,7 +207,7 @@ const prepareChain = (nodeData: INodeData, options: ICommonObject, sessionId?: s
},
...promptVariables
},
prepareChatPrompt(nodeData, humanImageMessages),
prepareChatPrompt(nodeData),
model,
new StringOutputParser()
])
@@ -8,7 +8,7 @@ import { formatResponse, injectOutputParser } from '../../outputparsers/OutputPa
import { BaseLLMOutputParser } from 'langchain/schema/output_parser'
import { OutputFixingParser } from 'langchain/output_parsers'
import { checkInputs, Moderation, streamResponse } from '../../moderation/Moderation'
import { injectChainNodeData } from '../../../src/multiModalUtils'
import { injectLLMChainNodeData } from '../../../src/multiModalUtils'
class LLMChain_Chains implements INode {
label: string
@@ -108,7 +108,7 @@ class LLMChain_Chains implements INode {
verbose: process.env.DEBUG === 'true'
})
const inputVariables = chain.prompt.inputVariables as string[] // ["product"]
injectChainNodeData(nodeData, options)
injectLLMChainNodeData(nodeData, options)
promptValues = injectOutputParser(this.outputParser, chain, promptValues)
const res = await runPrediction(inputVariables, chain, input, promptValues, options, nodeData)
// eslint-disable-next-line no-console
@@ -138,7 +138,7 @@ class LLMChain_Chains implements INode {
if (!this.outputParser && outputParser) {
this.outputParser = outputParser
}
injectChainNodeData(nodeData, options)
injectLLMChainNodeData(nodeData, options)
promptValues = injectOutputParser(this.outputParser, chain, promptValues)
const res = await runPrediction(inputVariables, chain, input, promptValues, options, nodeData)
// eslint-disable-next-line no-console