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@@ -17,6 +17,8 @@ func stopReasonClaude2OpenAI(reason string) string {
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switch reason {
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switch reason {
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case "stop_sequence":
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case "stop_sequence":
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return "stop"
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return "stop"
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+ case "end_turn":
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+ return "stop"
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case "max_tokens":
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case "max_tokens":
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return "length"
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return "length"
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default:
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default:
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@@ -54,55 +56,151 @@ func requestOpenAI2ClaudeComplete(textRequest dto.GeneralOpenAIRequest) *ClaudeR
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return &claudeRequest
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return &claudeRequest
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}
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}
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-//func requestOpenAI2ClaudeMessage(textRequest dto.GeneralOpenAIRequest) *dto.GeneralOpenAIRequest {
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-//
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-//}
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-
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-func streamResponseClaude2OpenAI(claudeResponse *ClaudeResponse) *dto.ChatCompletionsStreamResponse {
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- var choice dto.ChatCompletionsStreamResponseChoice
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- choice.Delta.Content = claudeResponse.Completion
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- finishReason := stopReasonClaude2OpenAI(claudeResponse.StopReason)
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- if finishReason != "null" {
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- choice.FinishReason = &finishReason
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+func requestOpenAI2ClaudeMessage(textRequest dto.GeneralOpenAIRequest) (*ClaudeRequest, error) {
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+ claudeRequest := ClaudeRequest{
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+ Model: textRequest.Model,
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+ MaxTokens: textRequest.MaxTokens,
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+ StopSequences: nil,
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+ Temperature: textRequest.Temperature,
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+ TopP: textRequest.TopP,
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+ Stream: textRequest.Stream,
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+ }
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+ claudeMessages := make([]ClaudeMessage, 0)
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+ for _, message := range textRequest.Messages {
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+ if message.Role == "system" {
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+ claudeRequest.System = message.StringContent()
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+ } else {
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+ claudeMessage := ClaudeMessage{
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+ Role: message.Role,
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+ }
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+ if message.IsStringContent() {
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+ claudeMessage.Content = message.StringContent()
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+ } else {
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+ claudeMediaMessages := make([]ClaudeMediaMessage, 0)
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+ for _, mediaMessage := range message.ParseContent() {
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+ claudeMediaMessage := ClaudeMediaMessage{
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+ Type: mediaMessage.Type,
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+ }
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+ if mediaMessage.Type == "text" {
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+ claudeMediaMessage.Text = mediaMessage.Text
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+ } else {
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+ imageUrl := mediaMessage.ImageUrl.(dto.MessageImageUrl)
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+ claudeMediaMessage.Type = "image"
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+ claudeMediaMessage.Source = &ClaudeMessageSource{
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+ Type: "base64",
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+ }
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+ // 判断是否是url
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+ if strings.HasPrefix(imageUrl.Url, "http") {
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+ // 是url,获取图片的类型和base64编码的数据
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+ mimeType, data, _ := common.GetImageFromUrl(imageUrl.Url)
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+ claudeMediaMessage.Source.MediaType = mimeType
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+ claudeMediaMessage.Source.Data = data
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+ } else {
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+ _, format, base64String, err := common.DecodeBase64ImageData(imageUrl.Url)
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+ if err != nil {
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+ return nil, err
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+ }
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+ claudeMediaMessage.Source.MediaType = "image/" + format
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+ claudeMediaMessage.Source.Data = base64String
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+ }
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+ }
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+ claudeMediaMessages = append(claudeMediaMessages, claudeMediaMessage)
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+ }
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+ claudeMessage.Content = claudeMediaMessages
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+ }
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+ claudeMessages = append(claudeMessages, claudeMessage)
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+ }
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}
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}
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+ claudeRequest.Prompt = ""
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+ claudeRequest.Messages = claudeMessages
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+
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+ return &claudeRequest, nil
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+}
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+
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+func streamResponseClaude2OpenAI(reqMode int, claudeResponse *ClaudeResponse) (*dto.ChatCompletionsStreamResponse, *ClaudeUsage) {
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var response dto.ChatCompletionsStreamResponse
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var response dto.ChatCompletionsStreamResponse
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+ var claudeUsage *ClaudeUsage
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response.Object = "chat.completion.chunk"
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response.Object = "chat.completion.chunk"
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response.Model = claudeResponse.Model
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response.Model = claudeResponse.Model
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- response.Choices = []dto.ChatCompletionsStreamResponseChoice{choice}
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- return &response
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+ response.Choices = make([]dto.ChatCompletionsStreamResponseChoice, 0)
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+ var choice dto.ChatCompletionsStreamResponseChoice
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+ if reqMode == RequestModeCompletion {
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+ choice.Delta.Content = claudeResponse.Completion
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+ finishReason := stopReasonClaude2OpenAI(claudeResponse.StopReason)
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+ if finishReason != "null" {
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+ choice.FinishReason = &finishReason
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+ }
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+ } else {
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+ if claudeResponse.Type == "message_start" {
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+ response.Id = claudeResponse.Message.Id
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+ response.Model = claudeResponse.Message.Model
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+ claudeUsage = &claudeResponse.Message.Usage
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+ } else if claudeResponse.Type == "content_block_delta" {
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+ choice.Index = claudeResponse.Index
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+ choice.Delta.Content = claudeResponse.Delta.Text
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+ } else if claudeResponse.Type == "message_delta" {
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+ finishReason := stopReasonClaude2OpenAI(*claudeResponse.Delta.StopReason)
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+ if finishReason != "null" {
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+ choice.FinishReason = &finishReason
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+ }
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+ claudeUsage = &claudeResponse.Usage
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+ }
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+ }
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+ response.Choices = append(response.Choices, choice)
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+ return &response, claudeUsage
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}
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}
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-func responseClaude2OpenAI(claudeResponse *ClaudeResponse) *dto.OpenAITextResponse {
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- content, _ := json.Marshal(strings.TrimPrefix(claudeResponse.Completion, " "))
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- choice := dto.OpenAITextResponseChoice{
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- Index: 0,
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- Message: dto.Message{
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- Role: "assistant",
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- Content: content,
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- Name: nil,
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- },
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- FinishReason: stopReasonClaude2OpenAI(claudeResponse.StopReason),
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- }
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+func responseClaude2OpenAI(reqMode int, claudeResponse *ClaudeResponse) *dto.OpenAITextResponse {
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+ choices := make([]dto.OpenAITextResponseChoice, 0)
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fullTextResponse := dto.OpenAITextResponse{
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fullTextResponse := dto.OpenAITextResponse{
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Id: fmt.Sprintf("chatcmpl-%s", common.GetUUID()),
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Id: fmt.Sprintf("chatcmpl-%s", common.GetUUID()),
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Object: "chat.completion",
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Object: "chat.completion",
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Created: common.GetTimestamp(),
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Created: common.GetTimestamp(),
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- Choices: []dto.OpenAITextResponseChoice{choice},
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}
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}
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+ if reqMode == RequestModeCompletion {
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+ content, _ := json.Marshal(strings.TrimPrefix(claudeResponse.Completion, " "))
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+ choice := dto.OpenAITextResponseChoice{
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+ Index: 0,
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+ Message: dto.Message{
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+ Role: "assistant",
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+ Content: content,
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+ Name: nil,
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+ },
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+ FinishReason: stopReasonClaude2OpenAI(claudeResponse.StopReason),
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+ }
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+ choices = append(choices, choice)
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+ } else {
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+ fullTextResponse.Id = claudeResponse.Id
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+ for i, message := range claudeResponse.Content {
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+ content, _ := json.Marshal(message.Text)
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+ choice := dto.OpenAITextResponseChoice{
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+ Index: i,
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+ Message: dto.Message{
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+ Role: "assistant",
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+ Content: content,
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+ },
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+ FinishReason: stopReasonClaude2OpenAI(claudeResponse.StopReason),
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+ }
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+ choices = append(choices, choice)
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+ }
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+ }
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+
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+ fullTextResponse.Choices = choices
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return &fullTextResponse
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return &fullTextResponse
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}
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}
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-func claudeStreamHandler(c *gin.Context, resp *http.Response) (*dto.OpenAIErrorWithStatusCode, string) {
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- responseText := ""
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+func claudeStreamHandler(requestMode int, modelName string, promptTokens int, c *gin.Context, resp *http.Response) (*dto.OpenAIErrorWithStatusCode, *dto.Usage) {
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responseId := fmt.Sprintf("chatcmpl-%s", common.GetUUID())
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responseId := fmt.Sprintf("chatcmpl-%s", common.GetUUID())
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+ var usage dto.Usage
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+ responseText := ""
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createdTime := common.GetTimestamp()
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createdTime := common.GetTimestamp()
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scanner := bufio.NewScanner(resp.Body)
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scanner := bufio.NewScanner(resp.Body)
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scanner.Split(func(data []byte, atEOF bool) (advance int, token []byte, err error) {
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scanner.Split(func(data []byte, atEOF bool) (advance int, token []byte, err error) {
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if atEOF && len(data) == 0 {
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if atEOF && len(data) == 0 {
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return 0, nil, nil
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return 0, nil, nil
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}
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}
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- if i := strings.Index(string(data), "\r\n\r\n"); i >= 0 {
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- return i + 4, data[0:i], nil
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+ if i := strings.Index(string(data), "\n"); i >= 0 {
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+ return i + 1, data[0:i], nil
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}
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}
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if atEOF {
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if atEOF {
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return len(data), data, nil
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return len(data), data, nil
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@@ -114,10 +212,10 @@ func claudeStreamHandler(c *gin.Context, resp *http.Response) (*dto.OpenAIErrorW
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go func() {
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go func() {
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for scanner.Scan() {
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for scanner.Scan() {
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data := scanner.Text()
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data := scanner.Text()
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- if !strings.HasPrefix(data, "event: completion") {
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+ if !strings.HasPrefix(data, "data: ") {
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continue
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continue
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}
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}
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- data = strings.TrimPrefix(data, "event: completion\r\ndata: ")
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+ data = strings.TrimPrefix(data, "data: ")
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dataChan <- data
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dataChan <- data
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}
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}
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stopChan <- true
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stopChan <- true
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@@ -134,10 +232,31 @@ func claudeStreamHandler(c *gin.Context, resp *http.Response) (*dto.OpenAIErrorW
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common.SysError("error unmarshalling stream response: " + err.Error())
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common.SysError("error unmarshalling stream response: " + err.Error())
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return true
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return true
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}
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}
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- responseText += claudeResponse.Completion
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- response := streamResponseClaude2OpenAI(&claudeResponse)
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+
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+ response, claudeUsage := streamResponseClaude2OpenAI(requestMode, &claudeResponse)
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+ if requestMode == RequestModeCompletion {
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+ responseText += claudeResponse.Completion
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+ responseId = response.Id
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+ } else {
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+ if claudeResponse.Type == "message_start" {
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+ // message_start, 获取usage
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+ responseId = claudeResponse.Message.Id
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+ modelName = claudeResponse.Message.Model
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+ usage.PromptTokens = claudeUsage.InputTokens
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+ } else if claudeResponse.Type == "content_block_delta" {
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+ responseText += claudeResponse.Delta.Text
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+ } else if claudeResponse.Type == "message_delta" {
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+ usage.CompletionTokens = claudeUsage.OutputTokens
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+ usage.TotalTokens = claudeUsage.InputTokens + claudeUsage.OutputTokens
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+ } else {
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+ return true
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+ }
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+ }
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+ //response.Id = responseId
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response.Id = responseId
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response.Id = responseId
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response.Created = createdTime
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response.Created = createdTime
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+ response.Model = modelName
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+
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jsonStr, err := json.Marshal(response)
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jsonStr, err := json.Marshal(response)
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if err != nil {
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if err != nil {
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common.SysError("error marshalling stream response: " + err.Error())
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common.SysError("error marshalling stream response: " + err.Error())
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@@ -152,12 +271,15 @@ func claudeStreamHandler(c *gin.Context, resp *http.Response) (*dto.OpenAIErrorW
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})
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})
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err := resp.Body.Close()
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err := resp.Body.Close()
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if err != nil {
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if err != nil {
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- return service.OpenAIErrorWrapper(err, "close_response_body_failed", http.StatusInternalServerError), ""
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+ return service.OpenAIErrorWrapper(err, "close_response_body_failed", http.StatusInternalServerError), nil
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}
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}
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- return nil, responseText
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+ if requestMode == RequestModeCompletion {
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+ usage = *service.ResponseText2Usage(responseText, modelName, promptTokens)
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+ }
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+ return nil, &usage
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}
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}
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-func claudeHandler(c *gin.Context, resp *http.Response, promptTokens int, model string) (*dto.OpenAIErrorWithStatusCode, *dto.Usage) {
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+func claudeHandler(requestMode int, c *gin.Context, resp *http.Response, promptTokens int, model string) (*dto.OpenAIErrorWithStatusCode, *dto.Usage) {
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responseBody, err := io.ReadAll(resp.Body)
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responseBody, err := io.ReadAll(resp.Body)
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if err != nil {
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if err != nil {
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return service.OpenAIErrorWrapper(err, "read_response_body_failed", http.StatusInternalServerError), nil
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return service.OpenAIErrorWrapper(err, "read_response_body_failed", http.StatusInternalServerError), nil
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@@ -182,12 +304,17 @@ func claudeHandler(c *gin.Context, resp *http.Response, promptTokens int, model
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StatusCode: resp.StatusCode,
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StatusCode: resp.StatusCode,
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}, nil
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}, nil
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}
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}
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- fullTextResponse := responseClaude2OpenAI(&claudeResponse)
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+ fullTextResponse := responseClaude2OpenAI(requestMode, &claudeResponse)
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completionTokens := service.CountTokenText(claudeResponse.Completion, model)
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completionTokens := service.CountTokenText(claudeResponse.Completion, model)
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- usage := dto.Usage{
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- PromptTokens: promptTokens,
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- CompletionTokens: completionTokens,
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- TotalTokens: promptTokens + completionTokens,
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+ usage := dto.Usage{}
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+ if requestMode == RequestModeCompletion {
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+ usage.PromptTokens = promptTokens
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+ usage.CompletionTokens = completionTokens
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+ usage.TotalTokens = promptTokens + completionTokens
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+ } else {
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+ usage.PromptTokens = claudeResponse.Usage.InputTokens
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+ usage.CompletionTokens = claudeResponse.Usage.OutputTokens
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+ usage.TotalTokens = claudeResponse.Usage.InputTokens + claudeResponse.Usage.OutputTokens
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}
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}
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fullTextResponse.Usage = usage
|
|
fullTextResponse.Usage = usage
|
|
|
jsonResponse, err := json.Marshal(fullTextResponse)
|
|
jsonResponse, err := json.Marshal(fullTextResponse)
|