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Feature/Add prepend messages to memory (#2410)

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add prepend messages to memory
This commit is contained in:
Henry Heng
2024-05-20 17:08:34 +01:00
committed by GitHub
parent 816436f8fa
commit 8caca472ba
27 changed files with 219 additions and 55 deletions
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packages/components/nodes/agents/ConversationalRetrievalAgent/ConversationalRetrievalAgent.ts
+5 -4
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@@ -84,7 +84,7 @@ 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 })
return prepareAgent(nodeData, options, { sessionId: this.sessionId, chatId: options.chatId, input })
}
async run(nodeData: INodeData, input: string, options: ICommonObject): Promise<string | object> {
@@ -102,7 +102,7 @@ class ConversationalRetrievalAgent_Agents implements INode {
}
}
const executor = prepareAgent(nodeData, { sessionId: this.sessionId, chatId: options.chatId, input })
const executor = prepareAgent(nodeData, options, { sessionId: this.sessionId, chatId: options.chatId, input })
const loggerHandler = new ConsoleCallbackHandler(options.logger)
const callbacks = await additionalCallbacks(nodeData, options)
@@ -134,7 +134,7 @@ class ConversationalRetrievalAgent_Agents implements INode {
}
}
const prepareAgent = (nodeData: INodeData, flowObj: { sessionId?: string; chatId?: string; input?: string }) => {
const prepareAgent = (nodeData: INodeData, options: ICommonObject, 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
@@ -143,6 +143,7 @@ const prepareAgent = (nodeData: INodeData, flowObj: { sessionId?: string; chatId
tools = flatten(tools)
const memoryKey = memory.memoryKey ? memory.memoryKey : 'chat_history'
const inputKey = memory.inputKey ? memory.inputKey : 'input'
const prependMessages = options?.prependMessages
const prompt = ChatPromptTemplate.fromMessages([
['ai', systemMessage ? systemMessage : defaultMessage],
@@ -160,7 +161,7 @@ const prepareAgent = (nodeData: INodeData, flowObj: { sessionId?: string; chatId
[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)) as BaseMessage[]
const messages = (await memory.getChatMessages(flowObj?.sessionId, true, prependMessages)) as BaseMessage[]
return messages ?? []
}
},