refact: openai,claude
This commit is contained in:
Sakurasan
290
pkg/claude/chat.go
Normal file
290
pkg/claude/chat.go
Normal file
@@ -0,0 +1,290 @@
|
||||
// https://docs.anthropic.com/claude/reference/messages_post
|
||||
|
||||
package claude
|
||||
|
||||
import (
|
||||
"bufio"
|
||||
"bytes"
|
||||
"encoding/json"
|
||||
"fmt"
|
||||
"io"
|
||||
"log"
|
||||
"net/http"
|
||||
"opencatd-open/pkg/openai"
|
||||
"opencatd-open/pkg/tokenizer"
|
||||
"opencatd-open/store"
|
||||
"strings"
|
||||
|
||||
"github.com/gin-gonic/gin"
|
||||
)
|
||||
|
||||
func ChatProxy(c *gin.Context, chatReq *openai.ChatCompletionRequest) {
|
||||
ChatMessages(c, chatReq)
|
||||
}
|
||||
|
||||
func ChatTextCompletions(c *gin.Context, chatReq *openai.ChatCompletionRequest) {
|
||||
|
||||
}
|
||||
|
||||
type ClaudeRequest struct {
|
||||
Model string `json:"model,omitempty"`
|
||||
Messages any `json:"messages,omitempty"`
|
||||
MaxTokens int `json:"max_tokens,omitempty"`
|
||||
Stream bool `json:"stream,omitempty"`
|
||||
System string `json:"system,omitempty"`
|
||||
TopK int `json:"top_k,omitempty"`
|
||||
TopP float64 `json:"top_p,omitempty"`
|
||||
Temperature float64 `json:"temperature,omitempty"`
|
||||
}
|
||||
|
||||
func (c *ClaudeRequest) ByteJson() []byte {
|
||||
bytejson, _ := json.Marshal(c)
|
||||
return bytejson
|
||||
}
|
||||
|
||||
type ClaudeMessages struct {
|
||||
Role string `json:"role,omitempty"`
|
||||
Content string `json:"content,omitempty"`
|
||||
}
|
||||
|
||||
type VisionMessages struct {
|
||||
Role string `json:"role,omitempty"`
|
||||
Content []ClaudeContent `json:"content,omitempty"`
|
||||
}
|
||||
|
||||
type ClaudeContent struct {
|
||||
Type string `json:"type,omitempty"`
|
||||
Source *ClaudeSource `json:"source,omitempty"`
|
||||
Text string `json:"text,omitempty"`
|
||||
}
|
||||
|
||||
type ClaudeSource struct {
|
||||
Type string `json:"type,omitempty"`
|
||||
MediaType string `json:"media_type,omitempty"`
|
||||
Data string `json:"data,omitempty"`
|
||||
}
|
||||
|
||||
type ClaudeResponse struct {
|
||||
ID string `json:"id"`
|
||||
Type string `json:"type"`
|
||||
Role string `json:"role"`
|
||||
Model string `json:"model"`
|
||||
StopSequence any `json:"stop_sequence"`
|
||||
Usage struct {
|
||||
InputTokens int `json:"input_tokens"`
|
||||
OutputTokens int `json:"output_tokens"`
|
||||
} `json:"usage"`
|
||||
Content []struct {
|
||||
Type string `json:"type"`
|
||||
Text string `json:"text"`
|
||||
} `json:"content"`
|
||||
StopReason string `json:"stop_reason"`
|
||||
}
|
||||
|
||||
type ClaudeStreamResponse struct {
|
||||
Type string `json:"type"`
|
||||
Index int `json:"index"`
|
||||
ContentBlock struct {
|
||||
Type string `json:"type"`
|
||||
Text string `json:"text"`
|
||||
} `json:"content_block"`
|
||||
Delta struct {
|
||||
Type string `json:"type"`
|
||||
Text string `json:"text"`
|
||||
StopReason string `json:"stop_reason"`
|
||||
StopSequence any `json:"stop_sequence"`
|
||||
} `json:"delta"`
|
||||
Message struct {
|
||||
ID string `json:"id"`
|
||||
Type string `json:"type"`
|
||||
Role string `json:"role"`
|
||||
Content []any `json:"content"`
|
||||
Model string `json:"model"`
|
||||
StopReason string `json:"stop_reason"`
|
||||
StopSequence any `json:"stop_sequence"`
|
||||
Usage struct {
|
||||
InputTokens int `json:"input_tokens"`
|
||||
OutputTokens int `json:"output_tokens"`
|
||||
} `json:"usage"`
|
||||
} `json:"message"`
|
||||
Error struct {
|
||||
Type string `json:"type"`
|
||||
Message string `json:"message"`
|
||||
} `json:"error"`
|
||||
Usage struct {
|
||||
OutputTokens int `json:"output_tokens"`
|
||||
} `json:"usage"`
|
||||
}
|
||||
|
||||
func ChatMessages(c *gin.Context, chatReq *openai.ChatCompletionRequest) {
|
||||
// var haveImages bool
|
||||
|
||||
usagelog := store.Tokens{Model: chatReq.Model}
|
||||
var claudReq ClaudeRequest
|
||||
claudReq.Model = chatReq.Model
|
||||
claudReq.Stream = chatReq.Stream
|
||||
claudReq.Temperature = chatReq.Temperature
|
||||
claudReq.TopP = chatReq.TopP
|
||||
claudReq.MaxTokens = 4096
|
||||
|
||||
var msgs []any
|
||||
var prompt string
|
||||
for _, msg := range chatReq.Messages {
|
||||
if msg.Role == "system" {
|
||||
claudReq.System = string(msg.Content)
|
||||
continue
|
||||
}
|
||||
|
||||
var visioncontent []openai.VisionContent
|
||||
if err := json.Unmarshal(msg.Content, &visioncontent); err != nil {
|
||||
prompt += "<" + msg.Role + ">: " + string(msg.Content) + "\n"
|
||||
|
||||
var claudemsgs ClaudeMessages
|
||||
claudemsgs.Role = msg.Role
|
||||
claudemsgs.Content = string(msg.Content)
|
||||
msgs = append(msgs, claudemsgs)
|
||||
|
||||
} else {
|
||||
if len(visioncontent) > 0 {
|
||||
var visionMessage VisionMessages
|
||||
visionMessage.Role = msg.Role
|
||||
|
||||
for _, content := range visioncontent {
|
||||
var claudecontent []ClaudeContent
|
||||
if content.Type == "text" {
|
||||
prompt += "<" + msg.Role + ">: " + content.Text + "\n"
|
||||
claudecontent = append(claudecontent, ClaudeContent{Type: "text", Text: content.Text})
|
||||
} else if content.Type == "image_url" {
|
||||
if strings.HasPrefix(content.ImageURL.URL, "http") {
|
||||
fmt.Println("链接:", content.ImageURL.URL)
|
||||
} else if strings.HasPrefix(content.ImageURL.URL, "data:image") {
|
||||
fmt.Println("base64:", content.ImageURL.URL[:20])
|
||||
}
|
||||
// todo image tokens
|
||||
var mediaType string
|
||||
if strings.HasPrefix(content.ImageURL.URL, "data:image/jpeg") {
|
||||
mediaType = "image/jpeg"
|
||||
}
|
||||
if strings.HasPrefix(content.ImageURL.URL, "data:image/png") {
|
||||
mediaType = "image/png"
|
||||
}
|
||||
claudecontent = append(claudecontent, ClaudeContent{Type: "image", Source: &ClaudeSource{Type: "base64", MediaType: mediaType, Data: strings.Split(content.ImageURL.URL, ",")[1]}})
|
||||
// haveImages = true
|
||||
|
||||
}
|
||||
visionMessage.Content = claudecontent
|
||||
}
|
||||
msgs = append(msgs, visionMessage)
|
||||
}
|
||||
}
|
||||
claudReq.Messages = msgs
|
||||
|
||||
// if len(chatReq.Tools) > 0 {
|
||||
// tooljson, _ := json.Marshal(chatReq.Tools)
|
||||
// prompt += "<tools>: " + string(tooljson) + "\n"
|
||||
// }
|
||||
}
|
||||
|
||||
usagelog.PromptCount = tokenizer.NumTokensFromStr(prompt, chatReq.Model)
|
||||
|
||||
req, _ := http.NewRequest("POST", MessageEndpoint, strings.NewReader(fmt.Sprintf("%v", bytes.NewReader(claudReq.ByteJson()))))
|
||||
client := http.DefaultClient
|
||||
rsp, err := client.Do(req)
|
||||
if err != nil {
|
||||
c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
|
||||
return
|
||||
}
|
||||
defer rsp.Body.Close()
|
||||
if rsp.StatusCode != http.StatusOK {
|
||||
io.Copy(c.Writer, rsp.Body)
|
||||
return
|
||||
}
|
||||
|
||||
teeReader := io.TeeReader(rsp.Body, c.Writer)
|
||||
|
||||
dataChan := make(chan string, 1)
|
||||
// stopChan := make(chan bool)
|
||||
|
||||
var result string
|
||||
|
||||
scanner := bufio.NewScanner(teeReader)
|
||||
|
||||
go func() {
|
||||
for scanner.Scan() {
|
||||
line := scanner.Bytes()
|
||||
if len(line) > 0 && bytes.HasPrefix(line, []byte("data: ")) {
|
||||
if bytes.HasPrefix(line, []byte("data: [DONE]")) {
|
||||
dataChan <- string(line) + "\n"
|
||||
break
|
||||
}
|
||||
var claudeResp ClaudeStreamResponse
|
||||
line = bytes.Replace(line, []byte("data: "), []byte(""), -1)
|
||||
line = bytes.TrimSpace(line)
|
||||
if err := json.Unmarshal(line, &claudeResp); err != nil {
|
||||
continue
|
||||
}
|
||||
|
||||
if claudeResp.Type == "message_start" {
|
||||
if claudeResp.Message.Role != "" {
|
||||
result += "<" + claudeResp.Message.Role + ">"
|
||||
}
|
||||
} else if claudeResp.Type == "message_stop" {
|
||||
break
|
||||
}
|
||||
|
||||
if claudeResp.Delta.Text != "" {
|
||||
result += claudeResp.Delta.Text
|
||||
}
|
||||
var choice openai.Choice
|
||||
choice.Delta.Role = claudeResp.Message.Role
|
||||
choice.Delta.Content = claudeResp.Delta.Text
|
||||
choice.FinishReason = claudeResp.Delta.StopReason
|
||||
|
||||
chatResp := openai.ChatCompletionStreamResponse{
|
||||
Model: chatReq.Model,
|
||||
Choices: []openai.Choice{choice},
|
||||
}
|
||||
dataChan <- "data: " + string(chatResp.ByteJson()) + "\n"
|
||||
if claudeResp.Delta.StopReason != "" {
|
||||
dataChan <- "\ndata: [DONE]\n"
|
||||
}
|
||||
} else {
|
||||
if !bytes.HasPrefix(line, []byte("event:")) {
|
||||
dataChan <- string(line) + "\n"
|
||||
}
|
||||
}
|
||||
}
|
||||
defer close(dataChan)
|
||||
}()
|
||||
|
||||
c.Writer.Header().Set("Content-Type", "text/event-stream")
|
||||
c.Writer.Header().Set("Cache-Control", "no-cache")
|
||||
c.Writer.Header().Set("Connection", "keep-alive")
|
||||
c.Writer.Header().Set("Transfer-Encoding", "chunked")
|
||||
c.Writer.Header().Set("X-Accel-Buffering", "no")
|
||||
|
||||
c.Stream(func(w io.Writer) bool {
|
||||
if data, ok := <-dataChan; ok {
|
||||
if strings.HasPrefix(data, "data: ") {
|
||||
c.Writer.WriteString(data)
|
||||
// c.Writer.WriteString("\n\n")
|
||||
} else {
|
||||
c.Writer.WriteHeader(http.StatusBadGateway)
|
||||
c.Writer.WriteString(data)
|
||||
}
|
||||
c.Writer.Flush()
|
||||
return true
|
||||
}
|
||||
go func() {
|
||||
usagelog.CompletionCount = tokenizer.NumTokensFromStr(result, chatReq.Model)
|
||||
usagelog.Cost = fmt.Sprintf("%.6f", tokenizer.Cost(usagelog.Model, usagelog.PromptCount, usagelog.CompletionCount))
|
||||
if err := store.Record(&usagelog); err != nil {
|
||||
log.Println(err)
|
||||
}
|
||||
if err := store.SumDaily(usagelog.UserID); err != nil {
|
||||
log.Println(err)
|
||||
}
|
||||
}()
|
||||
return false
|
||||
})
|
||||
}
|
||||
@@ -22,11 +22,26 @@ data: {"completion":"","stop_reason":"stop_sequence","model":"claude-2.0","stop"
|
||||
|
||||
# Model Pricing
|
||||
|
||||
Claude Instant |100,000 tokens |Prompt $1.63/million tokens |Completion $5.51/million tokens
|
||||
Claude Instant |100,000 tokens |Prompt $1.63/million tokens |Completion $5.51/million tokens
|
||||
|
||||
Claude 2 |100,000 tokens |Prompt $11.02/million tokens |Completion $32.68/million tokens
|
||||
Claude 2 |100,000 tokens |Prompt $11.02/million tokens |Completion $32.68/million tokens
|
||||
*Claude 1 is still accessible and offered at the same price as Claude 2.
|
||||
|
||||
# AWS
|
||||
https://docs.aws.amazon.com/bedrock/latest/userguide/what-is-service.html
|
||||
https://aws.amazon.com/cn/bedrock/pricing/
|
||||
Anthropic models Price for 1000 input tokens Price for 1000 output tokens
|
||||
Claude Instant $0.00163 $0.00551
|
||||
|
||||
Claude $0.01102 $0.03268
|
||||
|
||||
https://docs.aws.amazon.com/bedrock/latest/userguide/endpointsTable.html
|
||||
地区名称 地区 端点 协议
|
||||
美国东部（弗吉尼亚北部） 美国东部1 bedrock-runtime.us-east-1.amazonaws.com HTTPS
|
||||
bedrock-runtime-fips.us-east-1.amazonaws.com HTTPS
|
||||
美国西部（俄勒冈州） 美国西2号 bedrock-runtime.us-west-2.amazonaws.com HTTPS
|
||||
bedrock-runtime-fips.us-west-2.amazonaws.com HTTPS
|
||||
亚太地区（新加坡） ap-东南-1 bedrock-runtime.ap-southeast-1.amazonaws.com HTTPS
|
||||
*/
|
||||
|
||||
// package anthropic
|
||||
@@ -53,7 +68,8 @@ import (
|
||||
)
|
||||
|
||||
var (
|
||||
ClaudeUrl = "https://api.anthropic.com/v1/complete"
|
||||
ClaudeUrl = "https://api.anthropic.com/v1/complete"
|
||||
MessageEndpoint = "https://api.anthropic.com/v1/messages"
|
||||
)
|
||||
|
||||
type MessageModule struct {
|
||||
|
||||
Reference in New Issue
Block a user