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Code Issues Projects Releases Packages Wiki Activity Actions 12

Usage Features (#863)

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Dave 2023-08-18 15:23:14 -04:00 • committed by GitHub
parent 2bacd0180d
commit 8cb1061c11
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40 changed files with 1222 additions and 317 deletions
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23
api/openai/chat.go
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@ -29,11 +29,16 @@ func ChatEndpoint(cm *config.ConfigLoader, o *options.Option) func(c *fiber.Ctx)
}
responses <- initialMessage
ComputeChoices(req, s, config, o, loader, func(s string, c *[]Choice) {}, func(s string) bool {
ComputeChoices(req, s, config, o, loader, func(s string, c *[]Choice) {}, func(s string, usage backend.TokenUsage) bool {
resp := OpenAIResponse{
Model: req.Model, // we have to return what the user sent here, due to OpenAI spec.
Choices: []Choice{{Delta: &Message{Content: &s}, Index: 0}},
Object: "chat.completion.chunk",
Usage: OpenAIUsage{
PromptTokens: usage.Prompt,
CompletionTokens: usage.Completion,
TotalTokens: usage.Prompt + usage.Completion,
},
}
responses <- resp
@ -237,11 +242,13 @@ func ChatEndpoint(cm *config.ConfigLoader, o *options.Option) func(c *fiber.Ctx)
c.Context().SetBodyStreamWriter(fasthttp.StreamWriter(func(w *bufio.Writer) {
usage := &OpenAIUsage{}
for ev := range responses {
usage = &ev.Usage // Copy a pointer to the latest usage chunk so that the stop message can reference it
var buf bytes.Buffer
enc := json.NewEncoder(&buf)
enc.Encode(ev)
log.Debug().Msgf("Sending chunk: %s", buf.String())
_, err := fmt.Fprintf(w, "data: %v\n", buf.String())
if err != nil {
@ -261,6 +268,7 @@ func ChatEndpoint(cm *config.ConfigLoader, o *options.Option) func(c *fiber.Ctx)
Delta: &Message{Content: &emptyMessage},
}},
Object: "chat.completion.chunk",
Usage: *usage,
}
respData, _ := json.Marshal(resp)
@ -271,7 +279,7 @@ func ChatEndpoint(cm *config.ConfigLoader, o *options.Option) func(c *fiber.Ctx)
return nil
}
result, err := ComputeChoices(input, predInput, config, o, o.Loader, func(s string, c *[]Choice) {
result, tokenUsage, err := ComputeChoices(input, predInput, config, o, o.Loader, func(s string, c *[]Choice) {
if processFunctions {
// As we have to change the result before processing, we can't stream the answer (yet?)
ss := map[string]interface{}{}
@ -327,8 +335,8 @@ func ChatEndpoint(cm *config.ConfigLoader, o *options.Option) func(c *fiber.Ctx)
return
}
prediction = backend.Finetune(*config, predInput, prediction)
*c = append(*c, Choice{Message: &Message{Role: "assistant", Content: &prediction}})
fineTunedResponse := backend.Finetune(*config, predInput, prediction.Response)
*c = append(*c, Choice{Message: &Message{Role: "assistant", Content: &fineTunedResponse}})
} else {
// otherwise reply with the function call
*c = append(*c, Choice{
@ -349,6 +357,11 @@ func ChatEndpoint(cm *config.ConfigLoader, o *options.Option) func(c *fiber.Ctx)
Model: input.Model, // we have to return what the user sent here, due to OpenAI spec.
Choices: result,
Object: "chat.completion",
Usage: OpenAIUsage{
PromptTokens: tokenUsage.Prompt,
CompletionTokens: tokenUsage.Completion,
TotalTokens: tokenUsage.Prompt + tokenUsage.Completion,
},
}
respData, _ := json.Marshal(resp)
log.Debug().Msgf("Response: %s", respData)