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Merge pull request #656 from Yan-Zero/main

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fix: gemini function call
This commit is contained in:
Calcium-Ion
2024-12-25 13:38:34 +08:00
committed by GitHub
parent fe2165ace6 a8a2195ab1
commit aaf5cecefd
4 changed files with 238 additions and 115 deletions
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4
common/str.go
View File

@@ -35,9 +35,7 @@ func StrToMap(str string) map[string]interface{} {
m := make(map[string]interface{})
err := json.Unmarshal([]byte(str), &m)
if err != nil {
return map[string]interface{}{
"result": str,
}
return nil
}
return m
}

7
constant/finish_reason.go
View File

@@ -1,6 +1,9 @@
package constant
var (
FinishReasonStop = "stop"
FinishReasonToolCalls = "tool_calls"
FinishReasonStop = "stop"
FinishReasonToolCalls = "tool_calls"
FinishReasonLength = "length"
FinishReasonFunctionCall = "function_call"
FinishReasonContentFilter = "content_filter"
)

48
relay/channel/gemini/dto.go
View File

@@ -4,7 +4,7 @@ type GeminiChatRequest struct {
Contents []GeminiChatContent `json:"contents"`
SafetySettings []GeminiChatSafetySettings `json:"safety_settings,omitempty"`
GenerationConfig GeminiChatGenerationConfig `json:"generation_config,omitempty"`
Tools []GeminiChatTools `json:"tools,omitempty"`
Tools []GeminiChatTool `json:"tools,omitempty"`
SystemInstructions *GeminiChatContent `json:"system_instruction,omitempty"`
}
@@ -18,16 +18,39 @@ type FunctionCall struct {
Arguments any `json:"args"`
}
type GeminiFunctionResponseContent struct {
Name string `json:"name"`
Content any `json:"content"`
}
type FunctionResponse struct {
Name string `json:"name"`
Response any `json:"response"`
Name string `json:"name"`
Response GeminiFunctionResponseContent `json:"response"`
}
type GeminiPartExecutableCode struct {
Language string `json:"language,omitempty"`
Code string `json:"code,omitempty"`
}
type GeminiPartCodeExecutionResult struct {
Outcome string `json:"outcome,omitempty"`
Output string `json:"output,omitempty"`
}
type GeminiFileData struct {
MimeType string `json:"mimeType,omitempty"`
FileUri string `json:"fileUri,omitempty"`
}
type GeminiPart struct {
Text string `json:"text,omitempty"`
InlineData *GeminiInlineData `json:"inlineData,omitempty"`
FunctionCall *FunctionCall `json:"functionCall,omitempty"`
FunctionResponse *FunctionResponse `json:"functionResponse,omitempty"`
Text string `json:"text,omitempty"`
InlineData *GeminiInlineData `json:"inlineData,omitempty"`
FunctionCall *FunctionCall `json:"functionCall,omitempty"`
FunctionResponse *FunctionResponse `json:"functionResponse,omitempty"`
FileData *GeminiFileData `json:"fileData,omitempty"`
ExecutableCode *GeminiPartExecutableCode `json:"executableCode,omitempty"`
CodeExecutionResult *GeminiPartCodeExecutionResult `json:"codeExecutionResult,omitempty"`
}
type GeminiChatContent struct {
@@ -40,9 +63,11 @@ type GeminiChatSafetySettings struct {
Threshold string `json:"threshold"`
}
type GeminiChatTools struct {
GoogleSearch any `json:"googleSearch,omitempty"`
FunctionDeclarations any `json:"functionDeclarations,omitempty"`
type GeminiChatTool struct {
GoogleSearch any `json:"googleSearch,omitempty"`
GoogleSearchRetrieval any `json:"googleSearchRetrieval,omitempty"`
CodeExecution any `json:"codeExecution,omitempty"`
FunctionDeclarations any `json:"functionDeclarations,omitempty"`
}
type GeminiChatGenerationConfig struct {
@@ -54,11 +79,12 @@ type GeminiChatGenerationConfig struct {
StopSequences []string `json:"stopSequences,omitempty"`
ResponseMimeType string `json:"responseMimeType,omitempty"`
ResponseSchema any `json:"responseSchema,omitempty"`
Seed int64 `json:"seed,omitempty"`
}
type GeminiChatCandidate struct {
Content GeminiChatContent `json:"content"`
FinishReason string `json:"finishReason"`
FinishReason *string `json:"finishReason"`
Index int64 `json:"index"`
SafetyRatings []GeminiChatSafetyRating `json:"safetyRatings"`
}

294
relay/channel/gemini/relay-gemini.go
View File

@@ -18,6 +18,7 @@ import (
// Setting safety to the lowest possible values since Gemini is already powerless enough
func CovertGemini2OpenAI(textRequest dto.GeneralOpenAIRequest) (*GeminiChatRequest, error) {
geminiRequest := GeminiChatRequest{
Contents: make([]GeminiChatContent, 0, len(textRequest.Messages)),
SafetySettings: []GeminiChatSafetySettings{
@@ -46,16 +47,24 @@ func CovertGemini2OpenAI(textRequest dto.GeneralOpenAIRequest) (*GeminiChatReque
Temperature: textRequest.Temperature,
TopP: textRequest.TopP,
MaxOutputTokens: textRequest.MaxTokens,
Seed: int64(textRequest.Seed),
},
}
// openaiContent.FuncToToolCalls()
if textRequest.Tools != nil {
functions := make([]dto.FunctionCall, 0, len(textRequest.Tools))
googleSearch := false
codeExecution := false
for _, tool := range textRequest.Tools {
if tool.Function.Name == "googleSearch" {
googleSearch = true
continue
}
if tool.Function.Name == "codeExecution" {
codeExecution = true
continue
}
if tool.Function.Parameters != nil {
params, ok := tool.Function.Parameters.(map[string]interface{})
if ok {
@@ -68,25 +77,32 @@ func CovertGemini2OpenAI(textRequest dto.GeneralOpenAIRequest) (*GeminiChatReque
}
functions = append(functions, tool.Function)
}
if len(functions) > 0 {
geminiRequest.Tools = []GeminiChatTools{
{
FunctionDeclarations: functions,
},
}
if codeExecution {
geminiRequest.Tools = append(geminiRequest.Tools, GeminiChatTool{
CodeExecution: make(map[string]string),
})
}
if googleSearch {
geminiRequest.Tools = append(geminiRequest.Tools, GeminiChatTools{
geminiRequest.Tools = append(geminiRequest.Tools, GeminiChatTool{
GoogleSearch: make(map[string]string),
})
}
if len(functions) > 0 {
geminiRequest.Tools = append(geminiRequest.Tools, GeminiChatTool{
FunctionDeclarations: functions,
})
}
// common.SysLog("tools: " + fmt.Sprintf("%+v", geminiRequest.Tools))
// json_data, _ := json.Marshal(geminiRequest.Tools)
// common.SysLog("tools_json: " + string(json_data))
} else if textRequest.Functions != nil {
geminiRequest.Tools = []GeminiChatTools{
geminiRequest.Tools = []GeminiChatTool{
{
FunctionDeclarations: textRequest.Functions,
},
}
}
if textRequest.ResponseFormat != nil && (textRequest.ResponseFormat.Type == "json_schema" || textRequest.ResponseFormat.Type == "json_object") {
geminiRequest.GenerationConfig.ResponseMimeType = "application/json"
@@ -96,20 +112,14 @@ func CovertGemini2OpenAI(textRequest dto.GeneralOpenAIRequest) (*GeminiChatReque
}
}
tool_call_ids := make(map[string]string)
var system_content []string
//shouldAddDummyModelMessage := false
for _, message := range textRequest.Messages {
if message.Role == "system" {
geminiRequest.SystemInstructions = &GeminiChatContent{
Parts: []GeminiPart{
{
Text: message.StringContent(),
},
},
}
system_content = append(system_content, message.StringContent())
continue
} else if message.Role == "tool" {
if len(geminiRequest.Contents) == 0 || geminiRequest.Contents[len(geminiRequest.Contents)-1].Role != "user" {
} else if message.Role == "tool" || message.Role == "function" {
if len(geminiRequest.Contents) == 0 || geminiRequest.Contents[len(geminiRequest.Contents)-1].Role == "model" {
geminiRequest.Contents = append(geminiRequest.Contents, GeminiChatContent{
Role: "user",
})
@@ -121,9 +131,16 @@ func CovertGemini2OpenAI(textRequest dto.GeneralOpenAIRequest) (*GeminiChatReque
} else if val, exists := tool_call_ids[message.ToolCallId]; exists {
name = val
}
content := common.StrToMap(message.StringContent())
functionResp := &FunctionResponse{
Name: name,
Response: common.StrToMap(message.StringContent()),
Name: name,
Response: GeminiFunctionResponseContent{
Name: name,
Content: content,
},
}
if content == nil {
functionResp.Response.Content = message.StringContent()
}
*parts = append(*parts, GeminiPart{
FunctionResponse: functionResp,
@@ -134,57 +151,65 @@ func CovertGemini2OpenAI(textRequest dto.GeneralOpenAIRequest) (*GeminiChatReque
content := GeminiChatContent{
Role: message.Role,
}
isToolCall := false
// isToolCall := false
if message.ToolCalls != nil {
message.Role = "model"
isToolCall = true
// message.Role = "model"
// isToolCall = true
for _, call := range message.ParseToolCalls() {
args := map[string]interface{}{}
if call.Function.Arguments != "" {
if json.Unmarshal([]byte(call.Function.Arguments), &args) != nil {
return nil, fmt.Errorf("invalid arguments for function %s, args: %s", call.Function.Name, call.Function.Arguments)
}
}
toolCall := GeminiPart{
FunctionCall: &FunctionCall{
FunctionName: call.Function.Name,
Arguments: call.Function.Parameters,
Arguments: args,
},
}
parts = append(parts, toolCall)
tool_call_ids[call.ID] = call.Function.Name
}
}
if !isToolCall {
openaiContent := message.ParseContent()
imageNum := 0
for _, part := range openaiContent {
if part.Type == dto.ContentTypeText {
parts = append(parts, GeminiPart{
Text: part.Text,
})
} else if part.Type == dto.ContentTypeImageURL {
imageNum += 1
if constant.GeminiVisionMaxImageNum != -1 && imageNum > constant.GeminiVisionMaxImageNum {
return nil, fmt.Errorf("too many images in the message, max allowed is %d", constant.GeminiVisionMaxImageNum)
}
// 判断是否是url
if strings.HasPrefix(part.ImageUrl.(dto.MessageImageUrl).Url, "http") {
// 是url，获取图片的类型和base64编码的数据
mimeType, data, _ := service.GetImageFromUrl(part.ImageUrl.(dto.MessageImageUrl).Url)
parts = append(parts, GeminiPart{
InlineData: &GeminiInlineData{
MimeType: mimeType,
Data: data,
},
})
} else {
_, format, base64String, err := service.DecodeBase64ImageData(part.ImageUrl.(dto.MessageImageUrl).Url)
if err != nil {
return nil, fmt.Errorf("decode base64 image data failed: %s", err.Error())
}
parts = append(parts, GeminiPart{
InlineData: &GeminiInlineData{
MimeType: "image/" + format,
Data: base64String,
},
})
openaiContent := message.ParseContent()
imageNum := 0
for _, part := range openaiContent {
if part.Type == dto.ContentTypeText {
if part.Text == "" {
continue
}
parts = append(parts, GeminiPart{
Text: part.Text,
})
} else if part.Type == dto.ContentTypeImageURL {
imageNum += 1
if constant.GeminiVisionMaxImageNum != -1 && imageNum > constant.GeminiVisionMaxImageNum {
return nil, fmt.Errorf("too many images in the message, max allowed is %d", constant.GeminiVisionMaxImageNum)
}
// 判断是否是url
if strings.HasPrefix(part.ImageUrl.(dto.MessageImageUrl).Url, "http") {
// 是url，获取图片的类型和base64编码的数据
mimeType, data, _ := service.GetImageFromUrl(part.ImageUrl.(dto.MessageImageUrl).Url)
parts = append(parts, GeminiPart{
InlineData: &GeminiInlineData{
MimeType: mimeType,
Data: data,
},
})
} else {
_, format, base64String, err := service.DecodeBase64ImageData(part.ImageUrl.(dto.MessageImageUrl).Url)
if err != nil {
return nil, fmt.Errorf("decode base64 image data failed: %s", err.Error())
}
parts = append(parts, GeminiPart{
InlineData: &GeminiInlineData{
MimeType: "image/" + format,
Data: base64String,
},
})
}
}
}
@@ -197,6 +222,17 @@ func CovertGemini2OpenAI(textRequest dto.GeneralOpenAIRequest) (*GeminiChatReque
}
geminiRequest.Contents = append(geminiRequest.Contents, content)
}
if len(system_content) > 0 {
geminiRequest.SystemInstructions = &GeminiChatContent{
Parts: []GeminiPart{
{
Text: strings.Join(system_content, "\n"),
},
},
}
}
return &geminiRequest, nil
}
@@ -240,15 +276,15 @@ func removeAdditionalPropertiesWithDepth(schema interface{}, depth int) interfac
return v
}
func (g *GeminiChatResponse) GetResponseText() string {
if g == nil {
return ""
}
if len(g.Candidates) > 0 && len(g.Candidates[0].Content.Parts) > 0 {
return g.Candidates[0].Content.Parts[0].Text
}
return ""
}
// func (g *GeminiChatResponse) GetResponseText() string {
// if g == nil {
// return ""
// }
// if len(g.Candidates) > 0 && len(g.Candidates[0].Content.Parts) > 0 {
// return g.Candidates[0].Content.Parts[0].Text
// }
// return ""
// }
func getToolCall(item *GeminiPart) *dto.ToolCall {
argsBytes, err := json.Marshal(item.FunctionCall.Arguments)
@@ -298,11 +334,10 @@ func responseGeminiChat2OpenAI(response *GeminiChatResponse) *dto.OpenAITextResp
Choices: make([]dto.OpenAITextResponseChoice, 0, len(response.Candidates)),
}
content, _ := json.Marshal("")
for i, candidate := range response.Candidates {
// jsonData, _ := json.MarshalIndent(candidate, "", " ")
// common.SysLog(fmt.Sprintf("candidate: %v", string(jsonData)))
is_tool_call := false
for _, candidate := range response.Candidates {
choice := dto.OpenAITextResponseChoice{
Index: i,
Index: int(candidate.Index),
Message: dto.Message{
Role: "assistant",
Content: content,
@@ -319,48 +354,107 @@ func responseGeminiChat2OpenAI(response *GeminiChatResponse) *dto.OpenAITextResp
tool_calls = append(tool_calls, *call)
}
} else {
texts = append(texts, part.Text)
if part.ExecutableCode != nil {
texts = append(texts, "```"+part.ExecutableCode.Language+"\n"+part.ExecutableCode.Code+"\n```")
} else if part.CodeExecutionResult != nil {
texts = append(texts, "```output\n"+part.CodeExecutionResult.Output+"\n```")
} else {
// 过滤掉空行
if part.Text != "\n" {
texts = append(texts, part.Text)
}
}
}
}
if len(tool_calls) > 0 {
choice.Message.SetToolCalls(tool_calls)
is_tool_call = true
}
// 过滤掉空行
choice.Message.SetStringContent(strings.Join(texts, "\n"))
choice.Message.SetToolCalls(tool_calls)
}
if candidate.FinishReason != nil {
switch *candidate.FinishReason {
case "STOP":
choice.FinishReason = constant.FinishReasonStop
case "MAX_TOKENS":
choice.FinishReason = constant.FinishReasonLength
default:
choice.FinishReason = constant.FinishReasonContentFilter
}
}
if is_tool_call {
choice.FinishReason = constant.FinishReasonToolCalls
}
fullTextResponse.Choices = append(fullTextResponse.Choices, choice)
}
return &fullTextResponse
}
func streamResponseGeminiChat2OpenAI(geminiResponse *GeminiChatResponse) *dto.ChatCompletionsStreamResponse {
var choice dto.ChatCompletionsStreamResponseChoice
//choice.Delta.SetContentString(geminiResponse.GetResponseText())
if len(geminiResponse.Candidates) > 0 && len(geminiResponse.Candidates[0].Content.Parts) > 0 {
func streamResponseGeminiChat2OpenAI(geminiResponse *GeminiChatResponse) (*dto.ChatCompletionsStreamResponse, bool) {
choices := make([]dto.ChatCompletionsStreamResponseChoice, 0, len(geminiResponse.Candidates))
is_stop := false
for _, candidate := range geminiResponse.Candidates {
if candidate.FinishReason != nil && *candidate.FinishReason == "STOP" {
is_stop = true
candidate.FinishReason = nil
}
choice := dto.ChatCompletionsStreamResponseChoice{
Index: int(candidate.Index),
Delta: dto.ChatCompletionsStreamResponseChoiceDelta{
Role: "assistant",
},
}
var texts []string
var tool_calls []dto.ToolCall
for _, part := range geminiResponse.Candidates[0].Content.Parts {
if part.FunctionCall != nil {
if call := getToolCall(&part); call != nil {
tool_calls = append(tool_calls, *call)
}
} else {
texts = append(texts, part.Text)
isTools := false
if candidate.FinishReason != nil {
// p := GeminiConvertFinishReason(*candidate.FinishReason)
switch *candidate.FinishReason {
case "STOP":
choice.FinishReason = &constant.FinishReasonStop
case "MAX_TOKENS":
choice.FinishReason = &constant.FinishReasonLength
default:
choice.FinishReason = &constant.FinishReasonContentFilter
}
}
if len(texts) > 0 {
choice.Delta.SetContentString(strings.Join(texts, "\n"))
for _, part := range candidate.Content.Parts {
if part.FunctionCall != nil {
isTools = true
if call := getToolCall(&part); call != nil {
choice.Delta.ToolCalls = append(choice.Delta.ToolCalls, *call)
}
} else {
if part.ExecutableCode != nil {
texts = append(texts, "```"+part.ExecutableCode.Language+"\n"+part.ExecutableCode.Code+"\n```\n")
} else if part.CodeExecutionResult != nil {
texts = append(texts, "```output\n"+part.CodeExecutionResult.Output+"\n```\n")
} else {
if part.Text != "\n" {
texts = append(texts, part.Text)
}
}
}
}
if len(tool_calls) > 0 {
choice.Delta.ToolCalls = tool_calls
choice.Delta.SetContentString(strings.Join(texts, "\n"))
if isTools {
choice.FinishReason = &constant.FinishReasonToolCalls
}
choices = append(choices, choice)
}
var response dto.ChatCompletionsStreamResponse
response.Object = "chat.completion.chunk"
response.Model = "gemini"
response.Choices = []dto.ChatCompletionsStreamResponseChoice{choice}
return &response
response.Choices = choices
return &response, is_stop
}
func GeminiChatStreamHandler(c *gin.Context, resp *http.Response, info *relaycommon.RelayInfo) (*dto.OpenAIErrorWithStatusCode, *dto.Usage) {
responseText := ""
// responseText := ""
id := fmt.Sprintf("chatcmpl-%s", common.GetUUID())
createAt := common.GetTimestamp()
var usage = &dto.Usage{}
@@ -384,14 +478,11 @@ func GeminiChatStreamHandler(c *gin.Context, resp *http.Response, info *relaycom
continue
}
response := streamResponseGeminiChat2OpenAI(&geminiResponse)
if response == nil {
continue
}
response, is_stop := streamResponseGeminiChat2OpenAI(&geminiResponse)
response.Id = id
response.Created = createAt
response.Model = info.UpstreamModelName
responseText += response.Choices[0].Delta.GetContentString()
// responseText += response.Choices[0].Delta.GetContentString()
if geminiResponse.UsageMetadata.TotalTokenCount != 0 {
usage.PromptTokens = geminiResponse.UsageMetadata.PromptTokenCount
usage.CompletionTokens = geminiResponse.UsageMetadata.CandidatesTokenCount
@@ -400,12 +491,17 @@ func GeminiChatStreamHandler(c *gin.Context, resp *http.Response, info *relaycom
if err != nil {
common.LogError(c, err.Error())
}
if is_stop {
response := service.GenerateStopResponse(id, createAt, info.UpstreamModelName, constant.FinishReasonStop)
service.ObjectData(c, response)
}
}
response := service.GenerateStopResponse(id, createAt, info.UpstreamModelName, constant.FinishReasonStop)
service.ObjectData(c, response)
var response *dto.ChatCompletionsStreamResponse
usage.TotalTokens = usage.PromptTokens + usage.CompletionTokens
usage.PromptTokensDetails.TextTokens = usage.PromptTokens
usage.CompletionTokenDetails.TextTokens = usage.CompletionTokens
if info.ShouldIncludeUsage {
response = service.GenerateFinalUsageResponse(id, createAt, info.UpstreamModelName, *usage)