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support callback handler to llm chain #461

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merged 2 commits into from
Dec 28, 2023
Merged

support callback handler to llm chain #461

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0a857ea
support callback handler to llm chain
Dec 27, 2023
bb72605
fix golint
Dec 27, 2023
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6 changes: 5 additions & 1 deletion agents/conversational.go
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Original file line number Diff line number Diff line change
Expand Up @@ -45,7 +45,11 @@ func NewConversationalAgent(llm llms.LanguageModel, tools []tools.Tool, opts ...
}

return &ConversationalAgent{
Chain: chains.NewLLMChain(llm, options.getConversationalPrompt(tools)),
Chain: chains.NewLLMChain(
llm,
options.getConversationalPrompt(tools),
chains.WithCallback(options.callbacksHandler),
),
Tools: tools,
OutputKey: options.outputKey,
CallbacksHandler: options.callbacksHandler,
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6 changes: 5 additions & 1 deletion agents/mrkl.go
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Expand Up @@ -48,7 +48,11 @@ func NewOneShotAgent(llm llms.LanguageModel, tools []tools.Tool, opts ...Creatio
}

return &OneShotZeroAgent{
Chain: chains.NewLLMChain(llm, options.getMrklPrompt(tools)),
Chain: chains.NewLLMChain(
llm,
options.getMrklPrompt(tools),
chains.WithCallback(options.callbacksHandler),
),
Tools: tools,
OutputKey: options.outputKey,
CallbacksHandler: options.callbacksHandler,
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18 changes: 11 additions & 7 deletions chains/llm.go
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Expand Up @@ -29,14 +29,18 @@ var (
)

// NewLLMChain creates a new LLMChain with an LLM and a prompt.
func NewLLMChain(llm llms.LanguageModel, prompt prompts.FormatPrompter) *LLMChain {
func NewLLMChain(llm llms.LanguageModel, prompt prompts.FormatPrompter, opts ...ChainCallOption) *LLMChain {
opt := &chainCallOption{}
for _, o := range opts {
o(opt)
}
chain := &LLMChain{
Prompt: prompt,
LLM: llm,
OutputParser: outputparser.NewSimple(),
Memory: memory.NewSimple(),

OutputKey: _llmChainDefaultOutputKey,
Prompt: prompt,
LLM: llm,
OutputParser: outputparser.NewSimple(),
Memory: memory.NewSimple(),
OutputKey: _llmChainDefaultOutputKey,
CallbacksHandler: opt.CallbackHandler,
}

return chain
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