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Feature/Buffer Memory SessionId (#2111)

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* add sessionId to buffer memory, add conversation summary buffer memory

* add fix for conv retrieval qa chain
This commit is contained in:
Henry Heng
2024-04-11 11:18:39 +01:00
committed by GitHub
parent 57b716c7d7
commit c33642cdf9
39 changed files with 784 additions and 574 deletions
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packages/components/nodes/agents/ConversationalRetrievalAgent/ConversationalRetrievalAgent.ts
+5 -9
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@@ -6,7 +6,7 @@ import { RunnableSequence } from '@langchain/core/runnables'
import { ChatOpenAI, formatToOpenAIFunction } from '@langchain/openai'
import { ChatPromptTemplate, MessagesPlaceholder } from '@langchain/core/prompts'
import { OpenAIFunctionsAgentOutputParser } from 'langchain/agents/openai/output_parser'
import { FlowiseMemory, ICommonObject, IMessage, INode, INodeData, INodeParams } from '../../../src/Interface'
import { FlowiseMemory, ICommonObject, INode, INodeData, INodeParams } from '../../../src/Interface'
import { getBaseClasses } from '../../../src/utils'
import { ConsoleCallbackHandler, CustomChainHandler, additionalCallbacks } from '../../../src/handler'
import { AgentExecutor, formatAgentSteps } from '../../../src/agents'
@@ -77,7 +77,7 @@ class ConversationalRetrievalAgent_Agents implements INode {
}
async init(nodeData: INodeData, input: string, options: ICommonObject): Promise<any> {
return prepareAgent(nodeData, { sessionId: this.sessionId, chatId: options.chatId, input }, options.chatHistory)
return prepareAgent(nodeData, { sessionId: this.sessionId, chatId: options.chatId, input })
}
async run(nodeData: INodeData, input: string, options: ICommonObject): Promise<string | object> {
@@ -95,7 +95,7 @@ class ConversationalRetrievalAgent_Agents implements INode {
}
}
const executor = prepareAgent(nodeData, { sessionId: this.sessionId, chatId: options.chatId, input }, options.chatHistory)
const executor = prepareAgent(nodeData, { sessionId: this.sessionId, chatId: options.chatId, input })
const loggerHandler = new ConsoleCallbackHandler(options.logger)
const callbacks = await additionalCallbacks(nodeData, options)
@@ -127,11 +127,7 @@ class ConversationalRetrievalAgent_Agents implements INode {
}
}
const prepareAgent = (
nodeData: INodeData,
flowObj: { sessionId?: string; chatId?: string; input?: string },
chatHistory: IMessage[] = []
) => {
const prepareAgent = (nodeData: INodeData, flowObj: { sessionId?: string; chatId?: string; input?: string }) => {
const model = nodeData.inputs?.model as ChatOpenAI
const memory = nodeData.inputs?.memory as FlowiseMemory
const systemMessage = nodeData.inputs?.systemMessage as string
@@ -156,7 +152,7 @@ const prepareAgent = (
[inputKey]: (i: { input: string; steps: AgentStep[] }) => i.input,
agent_scratchpad: (i: { input: string; steps: AgentStep[] }) => formatAgentSteps(i.steps),
[memoryKey]: async (_: { input: string; steps: AgentStep[] }) => {
const messages = (await memory.getChatMessages(flowObj?.sessionId, true, chatHistory)) as BaseMessage[]
const messages = (await memory.getChatMessages(flowObj?.sessionId, true)) as BaseMessage[]
return messages ?? []
}
},