Spaces:
Sleeping
Sleeping
Upload 4 files
Browse files- Dockerfile +38 -0
- README.md +97 -5
- app.py +626 -0
- requirements.txt +5 -0
Dockerfile
ADDED
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# 使用官方Python运行时作为父镜像
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FROM python:3.11-slim
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# 设置工作目录
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WORKDIR /app
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# 设置环境变量
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ENV PYTHONUNBUFFERED=1
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ENV PYTHONDONTWRITEBYTECODE=1
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# 安装系统依赖
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RUN apt-get update && apt-get install -y \
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curl \
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&& rm -rf /var/lib/apt/lists/*
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# 复制requirements文件
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COPY requirements.txt .
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# 安装Python依赖
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RUN pip install --no-cache-dir -r requirements.txt
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# 复制应用代码
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COPY app.py .
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# 创建非root用户
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RUN useradd --create-home --shell /bin/bash app \
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&& chown -R app:app /app
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USER app
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# 暴露端口
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EXPOSE 7860
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# 健康检查
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HEALTHCHECK --interval=30s --timeout=30s --start-period=5s --retries=3 \
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CMD curl -f http://localhost:7860/health || exit 1
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# 启动命令
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CMD ["python", "app.py"]
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README.md
CHANGED
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---
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-
title:
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-
emoji:
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colorFrom:
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colorTo:
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sdk: docker
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pinned: false
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license: mit
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---
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-
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---
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title: AnythingLLM OpenAI API Proxy
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emoji: 🔄
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colorFrom: blue
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colorTo: green
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sdk: docker
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pinned: false
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license: mit
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app_port: 7860
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---
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# AnythingLLM OpenAI API Proxy
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这是一个将 AnythingLLM API 转换为 OpenAI API 格式的转发服务,部署在 Hugging Face Spaces 上。
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## 功能特性
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- ✅ 完全兼容 OpenAI API 格式
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- ✅ 支持流式和非流式响应
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- ✅ 自动创建新的对话线程
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- ✅ 智能令牌轮换和错误处理
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- ✅ 客户端 API Key 认证
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- ✅ 调试模式支持
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- ✅ Hugging Face Spaces 部署优化
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## API 端点
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### 聊天完成
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```
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POST /v1/chat/completions
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```
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### 模型列表
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```
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GET /v1/models
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```
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### 健康检查
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```
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GET /health
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```
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## 使用示例
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### Python (OpenAI 库)
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```python
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from openai import OpenAI
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client = OpenAI(
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api_key="your-api-key",
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base_url="https://your-space-name-your-username.hf.space/v1"
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)
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response = client.chat.completions.create(
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model="anythingllm",
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messages=[
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{"role": "user", "content": "你好,请介绍一下自己"}
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],
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stream=True
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)
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for chunk in response:
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if chunk.choices[0].delta.content:
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print(chunk.choices[0].delta.content, end="")
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```
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### cURL
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```bash
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curl -X POST "https://your-space-name-your-username.hf.space/v1/chat/completions" \
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-H "Content-Type: application/json" \
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-H "Authorization: Bearer your-api-key" \
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-d '{
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"model": "anythingllm",
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"messages": [
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{"role": "user", "content": "你好,请介绍一下自己"}
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],
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"stream": false
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}'
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```
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## 环境变量配置
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在 Hugging Face Spaces 的设置中配置以下环境变量:
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- `ANYTHINGLLM_BASE_URL`: AnythingLLM 实例的基础 URL
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- `ANYTHINGLLM_WORKSPACE`: 工作空间名称
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- `BEARER_TOKEN`: AnythingLLM 的 Bearer Token
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- `CLIENT_API_KEYS`: 客户端 API 密钥(逗号分隔)
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- `DEBUG`: 是否启用调试模式 (true/false)
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- `REQUEST_TIMEOUT`: 请求超时时间(秒)
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## 支持的模型
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- `claude-3-7-sonnet`
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- `claude-sonnet-4`
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- `deepseek-chat`
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- `anythingllm`
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## 许可证
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MIT License
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app.py
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|
| 1 |
+
#!/usr/bin/env python3
|
| 2 |
+
"""
|
| 3 |
+
AnythingLLM to OpenAI API Proxy - Hugging Face Spaces版本
|
| 4 |
+
基于完整的转发服务,适配Hugging Face Spaces部署
|
| 5 |
+
"""
|
| 6 |
+
|
| 7 |
+
import json
|
| 8 |
+
import os
|
| 9 |
+
import time
|
| 10 |
+
import uuid
|
| 11 |
+
import logging
|
| 12 |
+
import threading
|
| 13 |
+
from typing import Any, Dict, List, Optional, TypedDict, Union
|
| 14 |
+
|
| 15 |
+
import requests
|
| 16 |
+
from fastapi import FastAPI, HTTPException, Depends, Query, Request
|
| 17 |
+
from fastapi.responses import StreamingResponse, JSONResponse
|
| 18 |
+
from fastapi.security import HTTPBearer, HTTPAuthorizationCredentials
|
| 19 |
+
from fastapi.middleware.cors import CORSMiddleware
|
| 20 |
+
from pydantic import BaseModel, Field
|
| 21 |
+
import uvicorn
|
| 22 |
+
|
| 23 |
+
|
| 24 |
+
# 配置日志
|
| 25 |
+
logging.basicConfig(level=logging.INFO)
|
| 26 |
+
logger = logging.getLogger(__name__)
|
| 27 |
+
|
| 28 |
+
|
| 29 |
+
# AnythingLLM Token Management
|
| 30 |
+
class AnythingLLMToken(TypedDict):
|
| 31 |
+
token: str
|
| 32 |
+
base_url: str
|
| 33 |
+
workspace: str
|
| 34 |
+
is_valid: bool
|
| 35 |
+
last_used: float
|
| 36 |
+
error_count: int
|
| 37 |
+
|
| 38 |
+
|
| 39 |
+
# Hugging Face Spaces配置
|
| 40 |
+
class HFConfig:
|
| 41 |
+
# 从环境变量读取配置
|
| 42 |
+
ANYTHINGLLM_BASE_URL = os.getenv("ANYTHINGLLM_BASE_URL", "https://ai.renpho.nl:3002")
|
| 43 |
+
ANYTHINGLLM_WORKSPACE = os.getenv("ANYTHINGLLM_WORKSPACE", "liufuwei")
|
| 44 |
+
BEARER_TOKEN = os.getenv("BEARER_TOKEN", "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpZCI6ODYsInVzZXJuYW1lIjoibGl1ZnV3ZWkiLCJpYXQiOjE3NTA3NTAwNjksImV4cCI6MjA2NjM2OTI2OX0.TVLxzR_Uleed1SFgZoa9D3i5pkxYHO24e_Q_vYo2iZA")
|
| 45 |
+
CLIENT_API_KEYS = os.getenv("CLIENT_API_KEYS", "sk-anythingllm-hf-spaces-default").split(",")
|
| 46 |
+
DEBUG = os.getenv("DEBUG", "false").lower() == "true"
|
| 47 |
+
REQUEST_TIMEOUT = int(os.getenv("REQUEST_TIMEOUT", "60"))
|
| 48 |
+
|
| 49 |
+
|
| 50 |
+
# 全局变量
|
| 51 |
+
VALID_CLIENT_KEYS: set = set(HFConfig.CLIENT_API_KEYS)
|
| 52 |
+
ANYTHINGLLM_TOKENS: List[AnythingLLMToken] = []
|
| 53 |
+
ANYTHINGLLM_MODELS: List[str] = ["claude-3-7-sonnet", "claude-sonnet-4", "deepseek-chat", "anythingllm"]
|
| 54 |
+
token_rotation_lock = threading.Lock()
|
| 55 |
+
MAX_ERROR_COUNT = 3
|
| 56 |
+
ERROR_COOLDOWN = 300
|
| 57 |
+
DEBUG_MODE = HFConfig.DEBUG
|
| 58 |
+
|
| 59 |
+
|
| 60 |
+
# Pydantic Models
|
| 61 |
+
class ChatMessage(BaseModel):
|
| 62 |
+
role: str
|
| 63 |
+
content: Union[str, List[Dict[str, Any]]]
|
| 64 |
+
reasoning_content: Optional[str] = None
|
| 65 |
+
|
| 66 |
+
|
| 67 |
+
class ChatCompletionRequest(BaseModel):
|
| 68 |
+
model: str
|
| 69 |
+
messages: List[ChatMessage]
|
| 70 |
+
stream: bool = True
|
| 71 |
+
temperature: Optional[float] = None
|
| 72 |
+
max_tokens: Optional[int] = None
|
| 73 |
+
top_p: Optional[float] = None
|
| 74 |
+
|
| 75 |
+
|
| 76 |
+
class ModelInfo(BaseModel):
|
| 77 |
+
id: str
|
| 78 |
+
object: str = "model"
|
| 79 |
+
created: int
|
| 80 |
+
owned_by: str
|
| 81 |
+
|
| 82 |
+
|
| 83 |
+
class ModelList(BaseModel):
|
| 84 |
+
object: str = "list"
|
| 85 |
+
data: List[ModelInfo]
|
| 86 |
+
|
| 87 |
+
|
| 88 |
+
class ChatCompletionChoice(BaseModel):
|
| 89 |
+
message: ChatMessage
|
| 90 |
+
index: int = 0
|
| 91 |
+
finish_reason: str = "stop"
|
| 92 |
+
|
| 93 |
+
|
| 94 |
+
class ChatCompletionResponse(BaseModel):
|
| 95 |
+
id: str = Field(default_factory=lambda: f"chatcmpl-{uuid.uuid4().hex}")
|
| 96 |
+
object: str = "chat.completion"
|
| 97 |
+
created: int = Field(default_factory=lambda: int(time.time()))
|
| 98 |
+
model: str
|
| 99 |
+
choices: List[ChatCompletionChoice]
|
| 100 |
+
usage: Dict[str, int] = Field(
|
| 101 |
+
default_factory=lambda: {
|
| 102 |
+
"prompt_tokens": 0,
|
| 103 |
+
"completion_tokens": 0,
|
| 104 |
+
"total_tokens": 0,
|
| 105 |
+
}
|
| 106 |
+
)
|
| 107 |
+
|
| 108 |
+
|
| 109 |
+
class StreamChoice(BaseModel):
|
| 110 |
+
delta: Dict[str, Any] = Field(default_factory=dict)
|
| 111 |
+
index: int = 0
|
| 112 |
+
finish_reason: Optional[str] = None
|
| 113 |
+
|
| 114 |
+
|
| 115 |
+
class StreamResponse(BaseModel):
|
| 116 |
+
id: str = Field(default_factory=lambda: f"chatcmpl-{uuid.uuid4().hex}")
|
| 117 |
+
object: str = "chat.completion.chunk"
|
| 118 |
+
created: int = Field(default_factory=lambda: int(time.time()))
|
| 119 |
+
model: str
|
| 120 |
+
choices: List[StreamChoice]
|
| 121 |
+
|
| 122 |
+
|
| 123 |
+
# FastAPI App
|
| 124 |
+
app = FastAPI(
|
| 125 |
+
title="AnythingLLM OpenAI API Adapter - HF Spaces",
|
| 126 |
+
description="Converts AnythingLLM API to OpenAI-compatible format for Hugging Face Spaces",
|
| 127 |
+
version="1.0.0-hf"
|
| 128 |
+
)
|
| 129 |
+
|
| 130 |
+
# 添加CORS中间件
|
| 131 |
+
app.add_middleware(
|
| 132 |
+
CORSMiddleware,
|
| 133 |
+
allow_origins=["*"],
|
| 134 |
+
allow_credentials=True,
|
| 135 |
+
allow_methods=["GET", "POST", "PUT", "DELETE", "OPTIONS"],
|
| 136 |
+
allow_headers=["*"],
|
| 137 |
+
)
|
| 138 |
+
|
| 139 |
+
security = HTTPBearer(auto_error=False)
|
| 140 |
+
|
| 141 |
+
|
| 142 |
+
def log_debug(message: str):
|
| 143 |
+
"""Debug日志函数"""
|
| 144 |
+
if DEBUG_MODE:
|
| 145 |
+
logger.info(f"[DEBUG] {message}")
|
| 146 |
+
|
| 147 |
+
|
| 148 |
+
def initialize_anythingllm_tokens():
|
| 149 |
+
"""初始化AnythingLLM tokens"""
|
| 150 |
+
global ANYTHINGLLM_TOKENS
|
| 151 |
+
ANYTHINGLLM_TOKENS = [{
|
| 152 |
+
"token": HFConfig.BEARER_TOKEN,
|
| 153 |
+
"base_url": HFConfig.ANYTHINGLLM_BASE_URL,
|
| 154 |
+
"workspace": HFConfig.ANYTHINGLLM_WORKSPACE,
|
| 155 |
+
"is_valid": True,
|
| 156 |
+
"last_used": 0,
|
| 157 |
+
"error_count": 0
|
| 158 |
+
}]
|
| 159 |
+
logger.info(f"Initialized AnythingLLM tokens: {len(ANYTHINGLLM_TOKENS)}")
|
| 160 |
+
|
| 161 |
+
|
| 162 |
+
def get_best_anythingllm_token() -> Optional[AnythingLLMToken]:
|
| 163 |
+
"""Get the best available AnythingLLM token"""
|
| 164 |
+
with token_rotation_lock:
|
| 165 |
+
now = time.time()
|
| 166 |
+
valid_tokens = [
|
| 167 |
+
token for token in ANYTHINGLLM_TOKENS
|
| 168 |
+
if token["is_valid"] and (
|
| 169 |
+
token["error_count"] < MAX_ERROR_COUNT or
|
| 170 |
+
now - token["last_used"] > ERROR_COOLDOWN
|
| 171 |
+
)
|
| 172 |
+
]
|
| 173 |
+
|
| 174 |
+
if not valid_tokens:
|
| 175 |
+
return None
|
| 176 |
+
|
| 177 |
+
# Reset error count for tokens that have been in cooldown
|
| 178 |
+
for token in valid_tokens:
|
| 179 |
+
if token["error_count"] >= MAX_ERROR_COUNT and now - token["last_used"] > ERROR_COOLDOWN:
|
| 180 |
+
token["error_count"] = 0
|
| 181 |
+
|
| 182 |
+
# Sort by last used (oldest first) and error count (lowest first)
|
| 183 |
+
valid_tokens.sort(key=lambda x: (x["last_used"], x["error_count"]))
|
| 184 |
+
token = valid_tokens[0]
|
| 185 |
+
token["last_used"] = now
|
| 186 |
+
return token
|
| 187 |
+
|
| 188 |
+
|
| 189 |
+
def _convert_messages_to_anythingllm_format(messages: List[ChatMessage]) -> str:
|
| 190 |
+
"""Convert OpenAI messages format to AnythingLLM message format"""
|
| 191 |
+
if not messages:
|
| 192 |
+
return ""
|
| 193 |
+
|
| 194 |
+
# Get the last user message as the current message
|
| 195 |
+
last_user_msg = None
|
| 196 |
+
for msg in reversed(messages):
|
| 197 |
+
if msg.role == "user":
|
| 198 |
+
last_user_msg = msg
|
| 199 |
+
break
|
| 200 |
+
|
| 201 |
+
if not last_user_msg:
|
| 202 |
+
raise HTTPException(status_code=400, detail="No user message found in the conversation.")
|
| 203 |
+
|
| 204 |
+
message = last_user_msg.content if isinstance(last_user_msg.content, str) else ""
|
| 205 |
+
return message
|
| 206 |
+
|
| 207 |
+
|
| 208 |
+
async def authenticate_client(
|
| 209 |
+
auth: Optional[HTTPAuthorizationCredentials] = Depends(security),
|
| 210 |
+
):
|
| 211 |
+
"""Authenticate client based on API key in Authorization header"""
|
| 212 |
+
if not VALID_CLIENT_KEYS:
|
| 213 |
+
# 在HF Spaces中,如果没有配置客户端密钥,则跳过认证
|
| 214 |
+
return
|
| 215 |
+
|
| 216 |
+
if not auth or not auth.credentials:
|
| 217 |
+
raise HTTPException(
|
| 218 |
+
status_code=401,
|
| 219 |
+
detail="API key required in Authorization header.",
|
| 220 |
+
headers={"WWW-Authenticate": "Bearer"},
|
| 221 |
+
)
|
| 222 |
+
|
| 223 |
+
if auth.credentials not in VALID_CLIENT_KEYS:
|
| 224 |
+
raise HTTPException(status_code=403, detail="Invalid client API key.")
|
| 225 |
+
|
| 226 |
+
|
| 227 |
+
def decode_text_content(text):
|
| 228 |
+
"""解码文本内容"""
|
| 229 |
+
if not text:
|
| 230 |
+
return text
|
| 231 |
+
try:
|
| 232 |
+
if isinstance(text, str):
|
| 233 |
+
try:
|
| 234 |
+
decoded = text.encode('latin-1').decode('utf-8')
|
| 235 |
+
return decoded
|
| 236 |
+
except (UnicodeEncodeError, UnicodeDecodeError):
|
| 237 |
+
return text
|
| 238 |
+
return text
|
| 239 |
+
except Exception:
|
| 240 |
+
return text
|
| 241 |
+
|
| 242 |
+
|
| 243 |
+
@app.on_event("startup")
|
| 244 |
+
async def startup():
|
| 245 |
+
"""应用启动时初始化配置"""
|
| 246 |
+
logger.info("Starting AnythingLLM OpenAI API Adapter for Hugging Face Spaces...")
|
| 247 |
+
initialize_anythingllm_tokens()
|
| 248 |
+
logger.info("Server initialization completed.")
|
| 249 |
+
|
| 250 |
+
|
| 251 |
+
def get_models_list_response() -> ModelList:
|
| 252 |
+
"""Helper to construct ModelList response from cached models"""
|
| 253 |
+
model_infos = [
|
| 254 |
+
ModelInfo(
|
| 255 |
+
id=model,
|
| 256 |
+
created=int(time.time()),
|
| 257 |
+
owned_by="anythingllm"
|
| 258 |
+
)
|
| 259 |
+
for model in ANYTHINGLLM_MODELS
|
| 260 |
+
]
|
| 261 |
+
return ModelList(data=model_infos)
|
| 262 |
+
|
| 263 |
+
|
| 264 |
+
def create_new_thread(token: AnythingLLMToken) -> Optional[str]:
|
| 265 |
+
"""Create a new thread and return thread ID"""
|
| 266 |
+
try:
|
| 267 |
+
url = f"{token['base_url']}/api/workspace/{token['workspace']}/thread/new"
|
| 268 |
+
headers = {
|
| 269 |
+
"Authorization": f"Bearer {token['token']}",
|
| 270 |
+
"Accept": "*/*",
|
| 271 |
+
"Content-Type": "application/json",
|
| 272 |
+
}
|
| 273 |
+
|
| 274 |
+
response = requests.post(url, headers=headers, timeout=30)
|
| 275 |
+
response.raise_for_status()
|
| 276 |
+
|
| 277 |
+
data = response.json()
|
| 278 |
+
thread_slug = data.get("thread", {}).get("slug")
|
| 279 |
+
log_debug(f"Created new thread: {thread_slug}")
|
| 280 |
+
return thread_slug
|
| 281 |
+
|
| 282 |
+
except Exception as e:
|
| 283 |
+
log_debug(f"Failed to create new thread: {e}")
|
| 284 |
+
return None
|
| 285 |
+
|
| 286 |
+
|
| 287 |
+
def _anythingllm_stream_generator(response, model: str):
|
| 288 |
+
"""Real-time streaming with format conversion - AnythingLLM to OpenAI"""
|
| 289 |
+
stream_id = f"chatcmpl-{uuid.uuid4().hex}"
|
| 290 |
+
created_time = int(time.time())
|
| 291 |
+
|
| 292 |
+
# 发送初始角色增量
|
| 293 |
+
yield f"data: {StreamResponse(id=stream_id, created=created_time, model=model, choices=[StreamChoice(delta={'role': 'assistant'})]).model_dump_json()}\n\n"
|
| 294 |
+
|
| 295 |
+
buffer = ""
|
| 296 |
+
full_content = ""
|
| 297 |
+
|
| 298 |
+
try:
|
| 299 |
+
for chunk in response.iter_content(chunk_size=1024):
|
| 300 |
+
if not chunk:
|
| 301 |
+
continue
|
| 302 |
+
|
| 303 |
+
chunk_text = chunk.decode("utf-8")
|
| 304 |
+
log_debug(f"Received chunk: {chunk_text[:100]}..." if len(chunk_text) > 100 else chunk_text)
|
| 305 |
+
buffer += chunk_text
|
| 306 |
+
|
| 307 |
+
# 处理缓冲区中的完整事件块
|
| 308 |
+
while "\n\n" in buffer:
|
| 309 |
+
event_data, buffer = buffer.split("\n\n", 1)
|
| 310 |
+
event_data = event_data.strip()
|
| 311 |
+
|
| 312 |
+
if not event_data or not event_data.startswith("data: "):
|
| 313 |
+
continue
|
| 314 |
+
|
| 315 |
+
try:
|
| 316 |
+
# 解析 AnythingLLM 的 SSE 数据
|
| 317 |
+
json_data = json.loads(event_data[6:]) # Remove "data: " prefix
|
| 318 |
+
log_debug(f"Parsed JSON: {json_data}")
|
| 319 |
+
|
| 320 |
+
if json_data.get("type") == "textResponseChunk":
|
| 321 |
+
text_response = json_data.get("textResponse", "")
|
| 322 |
+
if text_response:
|
| 323 |
+
# 解码文本内容
|
| 324 |
+
decoded_text = decode_text_content(text_response)
|
| 325 |
+
|
| 326 |
+
# 计算增量内容
|
| 327 |
+
if decoded_text.startswith(full_content):
|
| 328 |
+
delta = decoded_text[len(full_content):]
|
| 329 |
+
full_content = decoded_text
|
| 330 |
+
|
| 331 |
+
if delta:
|
| 332 |
+
openai_response = StreamResponse(
|
| 333 |
+
id=stream_id,
|
| 334 |
+
created=created_time,
|
| 335 |
+
model=model,
|
| 336 |
+
choices=[StreamChoice(delta={"content": delta})],
|
| 337 |
+
)
|
| 338 |
+
yield f"data: {openai_response.model_dump_json()}\n\n"
|
| 339 |
+
|
| 340 |
+
# 检查是否结束
|
| 341 |
+
if json_data.get("close", False):
|
| 342 |
+
log_debug("Received close signal.")
|
| 343 |
+
openai_response = StreamResponse(
|
| 344 |
+
id=stream_id,
|
| 345 |
+
created=created_time,
|
| 346 |
+
model=model,
|
| 347 |
+
choices=[StreamChoice(delta={}, finish_reason="stop")],
|
| 348 |
+
)
|
| 349 |
+
yield f"data: {openai_response.model_dump_json()}\n\n"
|
| 350 |
+
yield "data: [DONE]\n\n"
|
| 351 |
+
return
|
| 352 |
+
|
| 353 |
+
elif json_data.get("type") == "finalizeResponseStream":
|
| 354 |
+
log_debug("Received finalize signal.")
|
| 355 |
+
openai_response = StreamResponse(
|
| 356 |
+
id=stream_id,
|
| 357 |
+
created=created_time,
|
| 358 |
+
model=model,
|
| 359 |
+
choices=[StreamChoice(delta={}, finish_reason="stop")],
|
| 360 |
+
)
|
| 361 |
+
yield f"data: {openai_response.model_dump_json()}\n\n"
|
| 362 |
+
yield "data: [DONE]\n\n"
|
| 363 |
+
return
|
| 364 |
+
|
| 365 |
+
except json.JSONDecodeError as e:
|
| 366 |
+
log_debug(f"Failed to parse JSON: {e}")
|
| 367 |
+
continue
|
| 368 |
+
|
| 369 |
+
except Exception as e:
|
| 370 |
+
log_debug(f"Stream processing error: {e}")
|
| 371 |
+
yield f"data: {json.dumps({'error': str(e)})}\n\n"
|
| 372 |
+
|
| 373 |
+
# 如果流意外中断,也发送终止信号
|
| 374 |
+
log_debug("Stream finished unexpectedly, sending completion signal.")
|
| 375 |
+
yield f"data: {StreamResponse(id=stream_id, created=created_time, model=model, choices=[StreamChoice(delta={}, finish_reason='stop')]).model_dump_json()}\n\n"
|
| 376 |
+
yield "data: [DONE]\n\n"
|
| 377 |
+
|
| 378 |
+
|
| 379 |
+
def _build_anythingllm_non_stream_response(response, model: str) -> ChatCompletionResponse:
|
| 380 |
+
"""Build non-streaming response by accumulating stream data"""
|
| 381 |
+
full_content = ""
|
| 382 |
+
buffer = ""
|
| 383 |
+
|
| 384 |
+
for chunk in response.iter_content(chunk_size=1024):
|
| 385 |
+
if not chunk:
|
| 386 |
+
continue
|
| 387 |
+
|
| 388 |
+
buffer += chunk.decode("utf-8")
|
| 389 |
+
|
| 390 |
+
# 处理缓冲区中的完整事件块
|
| 391 |
+
while "\n\n" in buffer:
|
| 392 |
+
event_data, buffer = buffer.split("\n\n", 1)
|
| 393 |
+
event_data = event_data.strip()
|
| 394 |
+
|
| 395 |
+
if not event_data or not event_data.startswith("data: "):
|
| 396 |
+
continue
|
| 397 |
+
|
| 398 |
+
try:
|
| 399 |
+
json_data = json.loads(event_data[6:])
|
| 400 |
+
|
| 401 |
+
if json_data.get("type") == "textResponseChunk":
|
| 402 |
+
text_response = json_data.get("textResponse", "")
|
| 403 |
+
if text_response:
|
| 404 |
+
full_content = decode_text_content(text_response)
|
| 405 |
+
|
| 406 |
+
if json_data.get("close", False):
|
| 407 |
+
return ChatCompletionResponse(
|
| 408 |
+
model=model,
|
| 409 |
+
choices=[
|
| 410 |
+
ChatCompletionChoice(
|
| 411 |
+
message=ChatMessage(
|
| 412 |
+
role="assistant",
|
| 413 |
+
content=full_content
|
| 414 |
+
)
|
| 415 |
+
)
|
| 416 |
+
],
|
| 417 |
+
)
|
| 418 |
+
|
| 419 |
+
elif json_data.get("type") == "finalizeResponseStream":
|
| 420 |
+
return ChatCompletionResponse(
|
| 421 |
+
model=model,
|
| 422 |
+
choices=[
|
| 423 |
+
ChatCompletionChoice(
|
| 424 |
+
message=ChatMessage(
|
| 425 |
+
role="assistant",
|
| 426 |
+
content=full_content
|
| 427 |
+
)
|
| 428 |
+
)
|
| 429 |
+
],
|
| 430 |
+
)
|
| 431 |
+
|
| 432 |
+
except json.JSONDecodeError:
|
| 433 |
+
continue
|
| 434 |
+
|
| 435 |
+
# 如果循环结束仍未返回
|
| 436 |
+
return ChatCompletionResponse(
|
| 437 |
+
model=model,
|
| 438 |
+
choices=[
|
| 439 |
+
ChatCompletionChoice(
|
| 440 |
+
message=ChatMessage(
|
| 441 |
+
role="assistant",
|
| 442 |
+
content=full_content
|
| 443 |
+
)
|
| 444 |
+
)
|
| 445 |
+
],
|
| 446 |
+
)
|
| 447 |
+
|
| 448 |
+
|
| 449 |
+
@app.get("/v1/models", response_model=ModelList)
|
| 450 |
+
async def list_v1_models(_: None = Depends(authenticate_client)):
|
| 451 |
+
"""List available models - authenticated"""
|
| 452 |
+
return get_models_list_response()
|
| 453 |
+
|
| 454 |
+
|
| 455 |
+
@app.get("/models", response_model=ModelList)
|
| 456 |
+
async def list_models_no_auth():
|
| 457 |
+
"""List available models without authentication - for client compatibility"""
|
| 458 |
+
return get_models_list_response()
|
| 459 |
+
|
| 460 |
+
|
| 461 |
+
@app.get("/debug")
|
| 462 |
+
async def toggle_debug(enable: bool = Query(None)):
|
| 463 |
+
"""切换调试模式"""
|
| 464 |
+
global DEBUG_MODE
|
| 465 |
+
if enable is not None:
|
| 466 |
+
DEBUG_MODE = enable
|
| 467 |
+
return {"debug_mode": DEBUG_MODE}
|
| 468 |
+
|
| 469 |
+
|
| 470 |
+
@app.post("/v1/chat/completions")
|
| 471 |
+
async def chat_completions(
|
| 472 |
+
request: ChatCompletionRequest, _: None = Depends(authenticate_client)
|
| 473 |
+
):
|
| 474 |
+
"""Create chat completion using AnythingLLM backend"""
|
| 475 |
+
if request.model not in ANYTHINGLLM_MODELS:
|
| 476 |
+
raise HTTPException(status_code=404, detail=f"Model '{request.model}' not found.")
|
| 477 |
+
|
| 478 |
+
if not request.messages:
|
| 479 |
+
raise HTTPException(status_code=400, detail="No messages provided in the request.")
|
| 480 |
+
|
| 481 |
+
log_debug(f"Processing request for model: {request.model}")
|
| 482 |
+
|
| 483 |
+
# 转换消息格式
|
| 484 |
+
try:
|
| 485 |
+
message = _convert_messages_to_anythingllm_format(request.messages)
|
| 486 |
+
except Exception as e:
|
| 487 |
+
raise HTTPException(status_code=400, detail=f"Failed to process messages: {str(e)}")
|
| 488 |
+
|
| 489 |
+
# 尝试所有令牌
|
| 490 |
+
for attempt in range(len(ANYTHINGLLM_TOKENS) + 1):
|
| 491 |
+
if attempt == len(ANYTHINGLLM_TOKENS):
|
| 492 |
+
raise HTTPException(
|
| 493 |
+
status_code=503,
|
| 494 |
+
detail="All attempts to contact AnythingLLM API failed."
|
| 495 |
+
)
|
| 496 |
+
|
| 497 |
+
token = get_best_anythingllm_token()
|
| 498 |
+
if not token:
|
| 499 |
+
raise HTTPException(
|
| 500 |
+
status_code=503,
|
| 501 |
+
detail="No valid AnythingLLM tokens available."
|
| 502 |
+
)
|
| 503 |
+
|
| 504 |
+
try:
|
| 505 |
+
# 创建新线程
|
| 506 |
+
thread_id = create_new_thread(token)
|
| 507 |
+
if not thread_id:
|
| 508 |
+
raise Exception("Failed to create new thread")
|
| 509 |
+
|
| 510 |
+
# 构建聊天请求
|
| 511 |
+
url = f"{token['base_url']}/api/workspace/{token['workspace']}/thread/{thread_id}/stream-chat"
|
| 512 |
+
|
| 513 |
+
payload = {
|
| 514 |
+
"message": message,
|
| 515 |
+
"attachments": []
|
| 516 |
+
}
|
| 517 |
+
|
| 518 |
+
headers = {
|
| 519 |
+
"Accept": "text/event-stream",
|
| 520 |
+
"Authorization": f"Bearer {token['token']}",
|
| 521 |
+
"Content-Type": "text/plain;charset=UTF-8",
|
| 522 |
+
}
|
| 523 |
+
|
| 524 |
+
log_debug(f"Sending request to AnythingLLM API: {url}")
|
| 525 |
+
|
| 526 |
+
response = requests.post(
|
| 527 |
+
url,
|
| 528 |
+
data=json.dumps(payload),
|
| 529 |
+
headers=headers,
|
| 530 |
+
stream=True,
|
| 531 |
+
timeout=HFConfig.REQUEST_TIMEOUT,
|
| 532 |
+
)
|
| 533 |
+
response.raise_for_status()
|
| 534 |
+
|
| 535 |
+
if request.stream:
|
| 536 |
+
log_debug("Returning stream response")
|
| 537 |
+
return StreamingResponse(
|
| 538 |
+
_anythingllm_stream_generator(response, request.model),
|
| 539 |
+
media_type="text/event-stream",
|
| 540 |
+
headers={
|
| 541 |
+
"Cache-Control": "no-cache",
|
| 542 |
+
"Connection": "keep-alive",
|
| 543 |
+
"X-Accel-Buffering": "no",
|
| 544 |
+
},
|
| 545 |
+
)
|
| 546 |
+
else:
|
| 547 |
+
log_debug("Building non-stream response")
|
| 548 |
+
return _build_anythingllm_non_stream_response(response, request.model)
|
| 549 |
+
|
| 550 |
+
except requests.HTTPError as e:
|
| 551 |
+
status_code = getattr(e.response, "status_code", 500)
|
| 552 |
+
error_detail = getattr(e.response, "text", str(e))
|
| 553 |
+
log_debug(f"AnythingLLM API error ({status_code}): {error_detail}")
|
| 554 |
+
|
| 555 |
+
with token_rotation_lock:
|
| 556 |
+
if status_code in [401, 403]:
|
| 557 |
+
# 标记令牌为无效
|
| 558 |
+
token["is_valid"] = False
|
| 559 |
+
logger.warning(f"Token ...{token['token'][-4:]} marked as invalid due to auth error.")
|
| 560 |
+
elif status_code in [429, 500, 502, 503, 504]:
|
| 561 |
+
# 增加错误计数
|
| 562 |
+
token["error_count"] += 1
|
| 563 |
+
logger.warning(f"Token ...{token['token'][-4:]} error count: {token['error_count']}")
|
| 564 |
+
|
| 565 |
+
except Exception as e:
|
| 566 |
+
log_debug(f"Request error: {e}")
|
| 567 |
+
with token_rotation_lock:
|
| 568 |
+
token["error_count"] += 1
|
| 569 |
+
|
| 570 |
+
|
| 571 |
+
@app.get("/health")
|
| 572 |
+
async def health_check():
|
| 573 |
+
"""健康检查"""
|
| 574 |
+
return JSONResponse(content={
|
| 575 |
+
"status": "healthy",
|
| 576 |
+
"service": "anythingllm-to-openai-proxy-hf",
|
| 577 |
+
"version": "1.0.0-hf",
|
| 578 |
+
"timestamp": int(time.time()),
|
| 579 |
+
"config": {
|
| 580 |
+
"base_url": HFConfig.ANYTHINGLLM_BASE_URL,
|
| 581 |
+
"workspace": HFConfig.ANYTHINGLLM_WORKSPACE,
|
| 582 |
+
"debug": DEBUG_MODE,
|
| 583 |
+
"models": ANYTHINGLLM_MODELS
|
| 584 |
+
}
|
| 585 |
+
})
|
| 586 |
+
|
| 587 |
+
|
| 588 |
+
@app.get("/")
|
| 589 |
+
async def root():
|
| 590 |
+
"""API根路径"""
|
| 591 |
+
return JSONResponse(content={
|
| 592 |
+
"service": "AnythingLLM to OpenAI API Proxy",
|
| 593 |
+
"version": "1.0.0-hf",
|
| 594 |
+
"platform": "Hugging Face Spaces",
|
| 595 |
+
"endpoints": {
|
| 596 |
+
"chat_completions": "/v1/chat/completions",
|
| 597 |
+
"models": "/v1/models",
|
| 598 |
+
"health": "/health",
|
| 599 |
+
"debug": "/debug"
|
| 600 |
+
},
|
| 601 |
+
"description": "Converts AnythingLLM API to OpenAI-compatible format",
|
| 602 |
+
"usage": {
|
| 603 |
+
"example": {
|
| 604 |
+
"url": "/v1/chat/completions",
|
| 605 |
+
"method": "POST",
|
| 606 |
+
"headers": {
|
| 607 |
+
"Authorization": "Bearer your-api-key",
|
| 608 |
+
"Content-Type": "application/json"
|
| 609 |
+
},
|
| 610 |
+
"body": {
|
| 611 |
+
"model": "anythingllm",
|
| 612 |
+
"messages": [{"role": "user", "content": "Hello"}],
|
| 613 |
+
"stream": False
|
| 614 |
+
}
|
| 615 |
+
}
|
| 616 |
+
}
|
| 617 |
+
})
|
| 618 |
+
|
| 619 |
+
|
| 620 |
+
if __name__ == "__main__":
|
| 621 |
+
uvicorn.run(
|
| 622 |
+
app,
|
| 623 |
+
host="0.0.0.0",
|
| 624 |
+
port=7860, # Hugging Face Spaces默认端口
|
| 625 |
+
log_level="info"
|
| 626 |
+
)
|
requirements.txt
ADDED
|
@@ -0,0 +1,5 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
fastapi==0.104.1
|
| 2 |
+
uvicorn[standard]==0.24.0
|
| 3 |
+
requests==2.31.0
|
| 4 |
+
pydantic==2.5.0
|
| 5 |
+
python-multipart==0.0.6
|