Ecosystem/ai-gateway
5
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

✨ feat: claude supports vision

Browse Source
This commit is contained in:
Martial BE 2024-03-07 11:23:29 +08:00
parent e1fcfae928
commit 41134576f2
No known key found for this signature in database
GPG Key ID: D06C32DF0EDB9084
3 changed files with 90 additions and 30 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
providers/claude/base.go
View File

@ -81,3 +81,12 @@ func stopReasonClaude2OpenAI(reason string) string {
return reason
}
}
func convertRole(role string) string {
switch role {
case "user":
return types.ChatMessageRoleUser
default:
return types.ChatMessageRoleAssistant
}
}

82
providers/claude/chat.go
View File

@ -6,6 +6,7 @@ import (
"io"
"net/http"
"one-api/common"
"one-api/common/image"
"one-api/common/requester"
"one-api/types"
"strings"
@ -71,7 +72,11 @@ func (p *ClaudeProvider) getChatRequest(request *types.ChatCompletionRequest) (*
headers["Accept"] = "text/event-stream"
}
claudeRequest := convertFromChatOpenai(request)
claudeRequest, errWithCode := convertFromChatOpenai(request)
if errWithCode != nil {
return nil, errWithCode
}
// 创建请求
req, err := p.Requester.NewRequest(http.MethodPost, fullRequestURL, p.Requester.WithBody(claudeRequest), p.Requester.WithHeader(headers))
if err != nil {
@ -81,10 +86,10 @@ func (p *ClaudeProvider) getChatRequest(request *types.ChatCompletionRequest) (*
return req, nil
}
func convertFromChatOpenai(request *types.ChatCompletionRequest) *ClaudeRequest {
func convertFromChatOpenai(request *types.ChatCompletionRequest) (*ClaudeRequest, *types.OpenAIErrorWithStatusCode) {
claudeRequest := ClaudeRequest{
Model: request.Model,
Messages: nil,
Messages: []Message{},
System: "",
MaxTokens: request.MaxTokens,
StopSequences: nil,
@ -95,20 +100,46 @@ func convertFromChatOpenai(request *types.ChatCompletionRequest) *ClaudeRequest
if claudeRequest.MaxTokens == 0 {
claudeRequest.MaxTokens = 4096
}
var messages []Message
for _, message := range request.Messages {
if message.Role != "system" {
messages = append(messages, Message{
Role: message.Role,
Content: message.Content.(string),
})
claudeRequest.Messages = messages
} else {
if message.Role == "system" {
claudeRequest.System = message.Content.(string)
continue
}
content := Message{
Role: convertRole(message.Role),
Content: []MessageContent{},
}
return &claudeRequest
openaiContent := message.ParseContent()
for _, part := range openaiContent {
if part.Type == types.ContentTypeText {
content.Content = append(content.Content, MessageContent{
Type: "text",
Text: part.Text,
})
continue
}
if part.Type == types.ContentTypeImageURL {
mimeType, data, err := image.GetImageFromUrl(part.ImageURL.URL)
if err != nil {
return nil, common.ErrorWrapper(err, "image_url_invalid", http.StatusBadRequest)
}
content.Content = append(content.Content, MessageContent{
Type: "image",
Source: &ContentSource{
Type: "base64",
MediaType: mimeType,
Data: data,
},
})
}
}
claudeRequest.Messages = append(claudeRequest.Messages, content)
}
return &claudeRequest, nil
}
func (p *ClaudeProvider) convertToChatOpenai(response *ClaudeResponse, request *types.ChatCompletionRequest) (openaiResponse *types.ChatCompletionResponse, errWithCode *types.OpenAIErrorWithStatusCode) {
@ -124,7 +155,7 @@ func (p *ClaudeProvider) convertToChatOpenai(response *ClaudeResponse, request *
choice := types.ChatCompletionChoice{
Index: 0,
Message: types.ChatCompletionMessage{
Role: "assistant",
Role: response.Role,
Content: strings.TrimPrefix(response.Content[0].Text, " "),
Name: nil,
},
@ -135,7 +166,7 @@ func (p *ClaudeProvider) convertToChatOpenai(response *ClaudeResponse, request *
Object: "chat.completion",
Created: common.GetTimestamp(),
Choices: []types.ChatCompletionChoice{choice},
Model: response.Model,
Model: request.Model,
Usage: &types.Usage{
CompletionTokens: 0,
PromptTokens: 0,
@ -180,32 +211,39 @@ func (h *claudeStreamHandler) handlerStream(rawLine *[]byte, dataChan chan strin
return
}
if claudeResponse.Type == "message_stop" {
errChan <- io.EOF
*rawLine = requester.StreamClosed
return
}
switch claudeResponse.Type {
case "message_start":
h.Usage.PromptTokens = claudeResponse.Message.InputTokens
h.convertToOpenaiStream(&claudeResponse, dataChan)
h.Usage.PromptTokens = claudeResponse.Message.Usage.InputTokens
case "message_delta":
h.convertToOpenaiStream(&claudeResponse, dataChan, errChan)
h.convertToOpenaiStream(&claudeResponse, dataChan)
h.Usage.CompletionTokens = claudeResponse.Usage.OutputTokens
h.Usage.TotalTokens = h.Usage.PromptTokens + h.Usage.CompletionTokens
case "content_block_delta":
h.convertToOpenaiStream(&claudeResponse, dataChan, errChan)
case "message_stop":
errChan <- io.EOF
*rawLine = requester.StreamClosed
h.convertToOpenaiStream(&claudeResponse, dataChan)
default:
return
}
}
func (h *claudeStreamHandler) convertToOpenaiStream(claudeResponse *ClaudeStreamResponse, dataChan chan string, errChan chan error) {
func (h *claudeStreamHandler) convertToOpenaiStream(claudeResponse *ClaudeStreamResponse, dataChan chan string) {
choice := types.ChatCompletionStreamChoice{
Index: claudeResponse.Index,
}
if claudeResponse.Message.Role != "" {
choice.Delta.Role = claudeResponse.Message.Role
}
if claudeResponse.Delta.Text != "" {
choice.Delta.Content = claudeResponse.Delta.Text
}

25
providers/claude/type.go
View File

@ -14,9 +14,21 @@ type ResContent struct {
Type string `json:"type"`
}
type ContentSource struct {
Type string `json:"type"`
MediaType string `json:"media_type"`
Data string `json:"data"`
}
type MessageContent struct {
Type string `json:"type"`
Text string `json:"text,omitempty"`
Source *ContentSource `json:"source,omitempty"`
}
type Message struct {
Role string `json:"role"`
Content string `json:"content"`
Content []MessageContent `json:"content"`
}
type ClaudeRequest struct {
@ -33,17 +45,18 @@ type ClaudeRequest struct {
}
type Usage struct {
InputTokens int `json:"input_tokens"`
InputTokens int `json:"input_tokens,omitempty"`
OutputTokens int `json:"output_tokens,omitempty"`
}
type ClaudeResponse struct {
Content []ResContent `json:"content"`
Id string `json:"id"`
Type string `json:"type"`
Role string `json:"role"`
StopReason string `json:"stop_reason"`
StopSequence string `json:"stop_sequence,omitempty"`
Content []ResContent `json:"content"`
Model string `json:"model"`
Usage `json:"usage,omitempty"`
StopReason string `json:"stop_reason,omitempty"`
StopSequence string `json:"stop_sequence,omitempty"`
Usage Usage `json:"usage,omitempty"`
Error ClaudeError `json:"error,omitempty"`
}