mirror of
https://github.com/router-for-me/CLIProxyAPI.git
synced 2026-02-03 04:50:52 +08:00
remove all
This commit is contained in:
Luis Pater
@@ -1,314 +0,0 @@
|
||||
// Package gemini provides request translation functionality for Gemini to Claude Code API compatibility.
|
||||
// It handles parsing and transforming Gemini API requests into Claude Code API format,
|
||||
// extracting model information, system instructions, message contents, and tool declarations.
|
||||
// The package performs JSON data transformation to ensure compatibility
|
||||
// between Gemini API format and Claude Code API's expected format.
|
||||
package gemini
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"crypto/rand"
|
||||
"fmt"
|
||||
"math/big"
|
||||
"strings"
|
||||
|
||||
"github.com/router-for-me/CLIProxyAPI/v6/internal/util"
|
||||
"github.com/tidwall/gjson"
|
||||
"github.com/tidwall/sjson"
|
||||
)
|
||||
|
||||
// ConvertGeminiRequestToClaude parses and transforms a Gemini API request into Claude Code API format.
|
||||
// It extracts the model name, system instruction, message contents, and tool declarations
|
||||
// from the raw JSON request and returns them in the format expected by the Claude Code API.
|
||||
// The function performs comprehensive transformation including:
|
||||
// 1. Model name mapping and generation configuration extraction
|
||||
// 2. System instruction conversion to Claude Code format
|
||||
// 3. Message content conversion with proper role mapping
|
||||
// 4. Tool call and tool result handling with FIFO queue for ID matching
|
||||
// 5. Image and file data conversion to Claude Code base64 format
|
||||
// 6. Tool declaration and tool choice configuration mapping
|
||||
//
|
||||
// Parameters:
|
||||
// - modelName: The name of the model to use for the request
|
||||
// - rawJSON: The raw JSON request data from the Gemini API
|
||||
// - stream: A boolean indicating if the request is for a streaming response
|
||||
//
|
||||
// Returns:
|
||||
// - []byte: The transformed request data in Claude Code API format
|
||||
func ConvertGeminiRequestToClaude(modelName string, inputRawJSON []byte, stream bool) []byte {
|
||||
rawJSON := bytes.Clone(inputRawJSON)
|
||||
// Base Claude Code API template with default max_tokens value
|
||||
out := `{"model":"","max_tokens":32000,"messages":[]}`
|
||||
|
||||
root := gjson.ParseBytes(rawJSON)
|
||||
|
||||
// Helper for generating tool call IDs in the form: toolu_<alphanum>
|
||||
// This ensures unique identifiers for tool calls in the Claude Code format
|
||||
genToolCallID := func() string {
|
||||
const letters = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
|
||||
var b strings.Builder
|
||||
// 24 chars random suffix for uniqueness
|
||||
for i := 0; i < 24; i++ {
|
||||
n, _ := rand.Int(rand.Reader, big.NewInt(int64(len(letters))))
|
||||
b.WriteByte(letters[n.Int64()])
|
||||
}
|
||||
return "toolu_" + b.String()
|
||||
}
|
||||
|
||||
// FIFO queue to store tool call IDs for matching with tool results
|
||||
// Gemini uses sequential pairing across possibly multiple in-flight
|
||||
// functionCalls, so we keep a FIFO queue of generated tool IDs and
|
||||
// consume them in order when functionResponses arrive.
|
||||
var pendingToolIDs []string
|
||||
|
||||
// Model mapping to specify which Claude Code model to use
|
||||
out, _ = sjson.Set(out, "model", modelName)
|
||||
|
||||
// Generation config extraction from Gemini format
|
||||
if genConfig := root.Get("generationConfig"); genConfig.Exists() {
|
||||
// Max output tokens configuration
|
||||
if maxTokens := genConfig.Get("maxOutputTokens"); maxTokens.Exists() {
|
||||
out, _ = sjson.Set(out, "max_tokens", maxTokens.Int())
|
||||
}
|
||||
// Temperature setting for controlling response randomness
|
||||
if temp := genConfig.Get("temperature"); temp.Exists() {
|
||||
out, _ = sjson.Set(out, "temperature", temp.Float())
|
||||
}
|
||||
// Top P setting for nucleus sampling
|
||||
if topP := genConfig.Get("topP"); topP.Exists() {
|
||||
out, _ = sjson.Set(out, "top_p", topP.Float())
|
||||
}
|
||||
// Stop sequences configuration for custom termination conditions
|
||||
if stopSeqs := genConfig.Get("stopSequences"); stopSeqs.Exists() && stopSeqs.IsArray() {
|
||||
var stopSequences []string
|
||||
stopSeqs.ForEach(func(_, value gjson.Result) bool {
|
||||
stopSequences = append(stopSequences, value.String())
|
||||
return true
|
||||
})
|
||||
if len(stopSequences) > 0 {
|
||||
out, _ = sjson.Set(out, "stop_sequences", stopSequences)
|
||||
}
|
||||
}
|
||||
// Include thoughts configuration for reasoning process visibility
|
||||
if thinkingConfig := genConfig.Get("thinkingConfig"); thinkingConfig.Exists() && thinkingConfig.IsObject() {
|
||||
if includeThoughts := thinkingConfig.Get("include_thoughts"); includeThoughts.Exists() {
|
||||
if includeThoughts.Type == gjson.True {
|
||||
out, _ = sjson.Set(out, "thinking.type", "enabled")
|
||||
if thinkingBudget := thinkingConfig.Get("thinkingBudget"); thinkingBudget.Exists() {
|
||||
out, _ = sjson.Set(out, "thinking.budget_tokens", thinkingBudget.Int())
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// System instruction conversion to Claude Code format
|
||||
if sysInstr := root.Get("system_instruction"); sysInstr.Exists() {
|
||||
if parts := sysInstr.Get("parts"); parts.Exists() && parts.IsArray() {
|
||||
var systemText strings.Builder
|
||||
parts.ForEach(func(_, part gjson.Result) bool {
|
||||
if text := part.Get("text"); text.Exists() {
|
||||
if systemText.Len() > 0 {
|
||||
systemText.WriteString("\n")
|
||||
}
|
||||
systemText.WriteString(text.String())
|
||||
}
|
||||
return true
|
||||
})
|
||||
if systemText.Len() > 0 {
|
||||
// Create system message in Claude Code format
|
||||
systemMessage := `{"role":"user","content":[{"type":"text","text":""}]}`
|
||||
systemMessage, _ = sjson.Set(systemMessage, "content.0.text", systemText.String())
|
||||
out, _ = sjson.SetRaw(out, "messages.-1", systemMessage)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Contents conversion to messages with proper role mapping
|
||||
if contents := root.Get("contents"); contents.Exists() && contents.IsArray() {
|
||||
contents.ForEach(func(_, content gjson.Result) bool {
|
||||
role := content.Get("role").String()
|
||||
// Map Gemini roles to Claude Code roles
|
||||
if role == "model" {
|
||||
role = "assistant"
|
||||
}
|
||||
|
||||
if role == "function" {
|
||||
role = "user"
|
||||
}
|
||||
|
||||
if role == "tool" {
|
||||
role = "user"
|
||||
}
|
||||
|
||||
// Create message structure in Claude Code format
|
||||
msg := `{"role":"","content":[]}`
|
||||
msg, _ = sjson.Set(msg, "role", role)
|
||||
|
||||
if parts := content.Get("parts"); parts.Exists() && parts.IsArray() {
|
||||
parts.ForEach(func(_, part gjson.Result) bool {
|
||||
// Text content conversion
|
||||
if text := part.Get("text"); text.Exists() {
|
||||
textContent := `{"type":"text","text":""}`
|
||||
textContent, _ = sjson.Set(textContent, "text", text.String())
|
||||
msg, _ = sjson.SetRaw(msg, "content.-1", textContent)
|
||||
return true
|
||||
}
|
||||
|
||||
// Function call (from model/assistant) conversion to tool use
|
||||
if fc := part.Get("functionCall"); fc.Exists() && role == "assistant" {
|
||||
toolUse := `{"type":"tool_use","id":"","name":"","input":{}}`
|
||||
|
||||
// Generate a unique tool ID and enqueue it for later matching
|
||||
// with the corresponding functionResponse
|
||||
toolID := genToolCallID()
|
||||
pendingToolIDs = append(pendingToolIDs, toolID)
|
||||
toolUse, _ = sjson.Set(toolUse, "id", toolID)
|
||||
|
||||
if name := fc.Get("name"); name.Exists() {
|
||||
toolUse, _ = sjson.Set(toolUse, "name", name.String())
|
||||
}
|
||||
if args := fc.Get("args"); args.Exists() {
|
||||
toolUse, _ = sjson.SetRaw(toolUse, "input", args.Raw)
|
||||
}
|
||||
msg, _ = sjson.SetRaw(msg, "content.-1", toolUse)
|
||||
return true
|
||||
}
|
||||
|
||||
// Function response (from user) conversion to tool result
|
||||
if fr := part.Get("functionResponse"); fr.Exists() {
|
||||
toolResult := `{"type":"tool_result","tool_use_id":"","content":""}`
|
||||
|
||||
// Attach the oldest queued tool_id to pair the response
|
||||
// with its call. If the queue is empty, generate a new id.
|
||||
var toolID string
|
||||
if len(pendingToolIDs) > 0 {
|
||||
toolID = pendingToolIDs[0]
|
||||
// Pop the first element from the queue
|
||||
pendingToolIDs = pendingToolIDs[1:]
|
||||
} else {
|
||||
// Fallback: generate new ID if no pending tool_use found
|
||||
toolID = genToolCallID()
|
||||
}
|
||||
toolResult, _ = sjson.Set(toolResult, "tool_use_id", toolID)
|
||||
|
||||
// Extract result content from the function response
|
||||
if result := fr.Get("response.result"); result.Exists() {
|
||||
toolResult, _ = sjson.Set(toolResult, "content", result.String())
|
||||
} else if response := fr.Get("response"); response.Exists() {
|
||||
toolResult, _ = sjson.Set(toolResult, "content", response.Raw)
|
||||
}
|
||||
msg, _ = sjson.SetRaw(msg, "content.-1", toolResult)
|
||||
return true
|
||||
}
|
||||
|
||||
// Image content (inline_data) conversion to Claude Code format
|
||||
if inlineData := part.Get("inline_data"); inlineData.Exists() {
|
||||
imageContent := `{"type":"image","source":{"type":"base64","media_type":"","data":""}}`
|
||||
if mimeType := inlineData.Get("mime_type"); mimeType.Exists() {
|
||||
imageContent, _ = sjson.Set(imageContent, "source.media_type", mimeType.String())
|
||||
}
|
||||
if data := inlineData.Get("data"); data.Exists() {
|
||||
imageContent, _ = sjson.Set(imageContent, "source.data", data.String())
|
||||
}
|
||||
msg, _ = sjson.SetRaw(msg, "content.-1", imageContent)
|
||||
return true
|
||||
}
|
||||
|
||||
// File data conversion to text content with file info
|
||||
if fileData := part.Get("file_data"); fileData.Exists() {
|
||||
// For file data, we'll convert to text content with file info
|
||||
textContent := `{"type":"text","text":""}`
|
||||
fileInfo := "File: " + fileData.Get("file_uri").String()
|
||||
if mimeType := fileData.Get("mime_type"); mimeType.Exists() {
|
||||
fileInfo += " (Type: " + mimeType.String() + ")"
|
||||
}
|
||||
textContent, _ = sjson.Set(textContent, "text", fileInfo)
|
||||
msg, _ = sjson.SetRaw(msg, "content.-1", textContent)
|
||||
return true
|
||||
}
|
||||
|
||||
return true
|
||||
})
|
||||
}
|
||||
|
||||
// Only add message if it has content
|
||||
if contentArray := gjson.Get(msg, "content"); contentArray.Exists() && len(contentArray.Array()) > 0 {
|
||||
out, _ = sjson.SetRaw(out, "messages.-1", msg)
|
||||
}
|
||||
|
||||
return true
|
||||
})
|
||||
}
|
||||
|
||||
// Tools mapping: Gemini functionDeclarations -> Claude Code tools
|
||||
if tools := root.Get("tools"); tools.Exists() && tools.IsArray() {
|
||||
var anthropicTools []interface{}
|
||||
|
||||
tools.ForEach(func(_, tool gjson.Result) bool {
|
||||
if funcDecls := tool.Get("functionDeclarations"); funcDecls.Exists() && funcDecls.IsArray() {
|
||||
funcDecls.ForEach(func(_, funcDecl gjson.Result) bool {
|
||||
anthropicTool := `{"name":"","description":"","input_schema":{}}`
|
||||
|
||||
if name := funcDecl.Get("name"); name.Exists() {
|
||||
anthropicTool, _ = sjson.Set(anthropicTool, "name", name.String())
|
||||
}
|
||||
if desc := funcDecl.Get("description"); desc.Exists() {
|
||||
anthropicTool, _ = sjson.Set(anthropicTool, "description", desc.String())
|
||||
}
|
||||
if params := funcDecl.Get("parameters"); params.Exists() {
|
||||
// Clean up the parameters schema for Claude Code compatibility
|
||||
cleaned := params.Raw
|
||||
cleaned, _ = sjson.Set(cleaned, "additionalProperties", false)
|
||||
cleaned, _ = sjson.Set(cleaned, "$schema", "http://json-schema.org/draft-07/schema#")
|
||||
anthropicTool, _ = sjson.SetRaw(anthropicTool, "input_schema", cleaned)
|
||||
} else if params = funcDecl.Get("parametersJsonSchema"); params.Exists() {
|
||||
// Clean up the parameters schema for Claude Code compatibility
|
||||
cleaned := params.Raw
|
||||
cleaned, _ = sjson.Set(cleaned, "additionalProperties", false)
|
||||
cleaned, _ = sjson.Set(cleaned, "$schema", "http://json-schema.org/draft-07/schema#")
|
||||
anthropicTool, _ = sjson.SetRaw(anthropicTool, "input_schema", cleaned)
|
||||
}
|
||||
|
||||
anthropicTools = append(anthropicTools, gjson.Parse(anthropicTool).Value())
|
||||
return true
|
||||
})
|
||||
}
|
||||
return true
|
||||
})
|
||||
|
||||
if len(anthropicTools) > 0 {
|
||||
out, _ = sjson.Set(out, "tools", anthropicTools)
|
||||
}
|
||||
}
|
||||
|
||||
// Tool config mapping from Gemini format to Claude Code format
|
||||
if toolConfig := root.Get("tool_config"); toolConfig.Exists() {
|
||||
if funcCalling := toolConfig.Get("function_calling_config"); funcCalling.Exists() {
|
||||
if mode := funcCalling.Get("mode"); mode.Exists() {
|
||||
switch mode.String() {
|
||||
case "AUTO":
|
||||
out, _ = sjson.Set(out, "tool_choice", map[string]interface{}{"type": "auto"})
|
||||
case "NONE":
|
||||
out, _ = sjson.Set(out, "tool_choice", map[string]interface{}{"type": "none"})
|
||||
case "ANY":
|
||||
out, _ = sjson.Set(out, "tool_choice", map[string]interface{}{"type": "any"})
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Stream setting configuration
|
||||
out, _ = sjson.Set(out, "stream", stream)
|
||||
|
||||
// Convert tool parameter types to lowercase for Claude Code compatibility
|
||||
var pathsToLower []string
|
||||
toolsResult := gjson.Get(out, "tools")
|
||||
util.Walk(toolsResult, "", "type", &pathsToLower)
|
||||
for _, p := range pathsToLower {
|
||||
fullPath := fmt.Sprintf("tools.%s", p)
|
||||
out, _ = sjson.Set(out, fullPath, strings.ToLower(gjson.Get(out, fullPath).String()))
|
||||
}
|
||||
|
||||
return []byte(out)
|
||||
}
|
||||
Reference in New Issue
Block a user