Upload 2 files
Browse files- Dockerfile +13 -0
- app.py +769 -0
Dockerfile
ADDED
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FROM python:3.10-slim
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WORKDIR /app
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RUN pip install --no-cache-dir flask flask-cors requests python-dotenv werkzeug
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COPY . .
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ENV PORT=5200
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ENV MAX_WORKERS=20
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EXPOSE 5200
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CMD ["python", "app.py"]
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app.py
ADDED
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@@ -0,0 +1,769 @@
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| 1 |
+
import json
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| 2 |
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import os
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| 3 |
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import time
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| 4 |
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import uuid
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| 5 |
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import hashlib
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| 6 |
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import base64
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| 7 |
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from datetime import datetime
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| 8 |
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from concurrent.futures import ThreadPoolExecutor
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| 9 |
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| 10 |
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import requests
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| 11 |
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from flask import Flask, request, jsonify, Response, stream_with_context
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| 12 |
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from flask_cors import CORS
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| 13 |
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from dotenv import load_dotenv
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| 14 |
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| 15 |
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# 加载环境变量
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| 16 |
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load_dotenv()
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| 17 |
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| 18 |
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# ==================== 配置管理类 ====================
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| 19 |
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class Config:
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| 20 |
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"""全局配置管理"""
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| 21 |
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| 22 |
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# 服务器配置
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| 23 |
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PORT = int(os.getenv('PORT', 5200))
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| 24 |
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MAX_WORKERS = int(os.getenv('MAX_WORKERS', 20))
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| 25 |
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| 26 |
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# 认证配置
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| 27 |
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API_KEY = os.getenv('API_KEY', 'sk-123456')
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| 28 |
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RAYCAST_TOKEN = os.getenv('RAYCAST_TOKEN', 'rca_9455afe4694f6d63194263810fa7e93a659e21b0eb2e384e18b26dec53c0ee21')
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| 29 |
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| 30 |
+
# Raycast API 配置
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| 31 |
+
RAYCAST_BASE_URL = 'https://backend.raycast.com/api/v1'
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| 32 |
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RAYCAST_CHAT_URL = f'{RAYCAST_BASE_URL}/ai/chat_completions'
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| 33 |
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RAYCAST_FILES_URL = f'{RAYCAST_BASE_URL}/ai/files/'
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| 34 |
+
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| 35 |
+
# Raycast 请求头配置
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| 36 |
+
RAYCAST_HEADERS = {
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| 37 |
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'Content-Type': 'application/json',
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| 38 |
+
'accept-language': 'zh-CN,zh-Hans;q=0.9',
|
| 39 |
+
'x-raycast-deviceid': 'c86ec3d4b2c9a66de6d1a19fc5bada76fc15af8f117dc1b69ba993391f0ad531',
|
| 40 |
+
'accept-encoding': 'gzip, deflate, br',
|
| 41 |
+
'user-agent': 'Raycast/1.0.4/747 (iOS Version 18.2.1 (Build 22C161))',
|
| 42 |
+
'Cookie': '__raycast_session=4eb4e28abc9196e140b1980c79b75cdc'
|
| 43 |
+
}
|
| 44 |
+
|
| 45 |
+
# 系统偏好设置
|
| 46 |
+
DEFAULT_SYSTEM_INSTRUCTIONS = f"""<user-preferences>
|
| 47 |
+
The user has the following system preferences:
|
| 48 |
+
- Locale: en-CN
|
| 49 |
+
- Timezone: Asia/Shanghai
|
| 50 |
+
- Current Date: {datetime.now().strftime('%Y-%m-%d')}
|
| 51 |
+
- Unit Currency: ¥
|
| 52 |
+
- Unit Temperature: °C
|
| 53 |
+
- Unit Length: m
|
| 54 |
+
- Unit Mass: kg
|
| 55 |
+
- Decimal Separator: .
|
| 56 |
+
- Grouping Separator: ,
|
| 57 |
+
Use the system preferences to format your answers accordingly.
|
| 58 |
+
</user-preferences>"""
|
| 59 |
+
|
| 60 |
+
@classmethod
|
| 61 |
+
def get_raycast_headers(cls, include_auth=True):
|
| 62 |
+
"""获取Raycast请求头"""
|
| 63 |
+
headers = cls.RAYCAST_HEADERS.copy()
|
| 64 |
+
if include_auth:
|
| 65 |
+
headers['authorization'] = f'Bearer {cls.RAYCAST_TOKEN}'
|
| 66 |
+
return headers
|
| 67 |
+
|
| 68 |
+
# 配置Flask应用
|
| 69 |
+
app = Flask(__name__)
|
| 70 |
+
CORS(app)
|
| 71 |
+
|
| 72 |
+
# 创建线程池
|
| 73 |
+
executor = ThreadPoolExecutor(max_workers=Config.MAX_WORKERS)
|
| 74 |
+
|
| 75 |
+
# ==================== 认证装饰器 ====================
|
| 76 |
+
def require_auth(f):
|
| 77 |
+
"""认证装饰器"""
|
| 78 |
+
def decorated_function(*args, **kwargs):
|
| 79 |
+
auth_header = request.headers.get('Authorization')
|
| 80 |
+
if not auth_header:
|
| 81 |
+
return jsonify({
|
| 82 |
+
'error': {
|
| 83 |
+
'message': '缺少认证头',
|
| 84 |
+
'type': 'authentication_error',
|
| 85 |
+
'code': 'missing_authorization'
|
| 86 |
+
}
|
| 87 |
+
}), 401
|
| 88 |
+
|
| 89 |
+
# 检查Bearer token格式
|
| 90 |
+
if not auth_header.startswith('Bearer '):
|
| 91 |
+
return jsonify({
|
| 92 |
+
'error': {
|
| 93 |
+
'message': '认证格式错误',
|
| 94 |
+
'type': 'authentication_error',
|
| 95 |
+
'code': 'invalid_authorization_format'
|
| 96 |
+
}
|
| 97 |
+
}), 401
|
| 98 |
+
|
| 99 |
+
token = auth_header[7:]
|
| 100 |
+
if token != Config.API_KEY:
|
| 101 |
+
return jsonify({
|
| 102 |
+
'error': {
|
| 103 |
+
'message': '认证失败',
|
| 104 |
+
'type': 'authentication_error',
|
| 105 |
+
'code': 'invalid_api_key'
|
| 106 |
+
}
|
| 107 |
+
}), 401
|
| 108 |
+
|
| 109 |
+
return f(*args, **kwargs)
|
| 110 |
+
decorated_function.__name__ = f.__name__
|
| 111 |
+
return decorated_function
|
| 112 |
+
|
| 113 |
+
# ==================== 工具类 ====================
|
| 114 |
+
class UtilsHelper:
|
| 115 |
+
@staticmethod
|
| 116 |
+
def generate_uuid():
|
| 117 |
+
return str(uuid.uuid4())
|
| 118 |
+
|
| 119 |
+
@staticmethod
|
| 120 |
+
def get_current_timestamp():
|
| 121 |
+
return int(time.time())
|
| 122 |
+
|
| 123 |
+
@staticmethod
|
| 124 |
+
def generate_md5(data):
|
| 125 |
+
if isinstance(data, str):
|
| 126 |
+
data = data.encode('utf-8')
|
| 127 |
+
return base64.b64encode(hashlib.md5(data).digest()).decode('utf-8')
|
| 128 |
+
|
| 129 |
+
@staticmethod
|
| 130 |
+
def is_search_model(model):
|
| 131 |
+
return model.endswith('-search')
|
| 132 |
+
|
| 133 |
+
@staticmethod
|
| 134 |
+
def get_base_model(model):
|
| 135 |
+
return model[:-7] if model.endswith('-search') else model
|
| 136 |
+
|
| 137 |
+
# ==================== 模型映射类 ====================
|
| 138 |
+
class ModelMapper:
|
| 139 |
+
BASE_MODELS = {
|
| 140 |
+
"ray1": "raycast",
|
| 141 |
+
"ray1-mini": "raycast",
|
| 142 |
+
"gpt-4.1": "openai",
|
| 143 |
+
"gpt-4.1-mini": "openai",
|
| 144 |
+
"gpt-4.1-nano": "openai",
|
| 145 |
+
"gpt-4": "openai",
|
| 146 |
+
"gpt-4-turbo": "openai",
|
| 147 |
+
"gpt-4o": "openai",
|
| 148 |
+
"gpt-4o-mini": "openai",
|
| 149 |
+
"o3": "openai_o1",
|
| 150 |
+
"o4-mini": "openai_o1",
|
| 151 |
+
"o1-mini": "openai_o1",
|
| 152 |
+
"o1-2024-12-17": "openai_o1",
|
| 153 |
+
"o3-mini": "openai_o1",
|
| 154 |
+
"claude-3-5-haiku-latest": "anthropic",
|
| 155 |
+
"claude-3-5-sonnet-latest": "anthropic",
|
| 156 |
+
"claude-3-7-sonnet-latest": "anthropic",
|
| 157 |
+
"claude-3-7-sonnet-latest-reasoning": "anthropic",
|
| 158 |
+
"claude-3-opus-20240229": "anthropic",
|
| 159 |
+
"claude-sonnet-4-20250514": "anthropic",
|
| 160 |
+
"claude-opus-4-20250514": "anthropic",
|
| 161 |
+
"claude-sonnet-4-20250514-reasoning": "anthropic",
|
| 162 |
+
"claude-opus-4-20250514-reasoning": "anthropic",
|
| 163 |
+
"sonar": "perplexity",
|
| 164 |
+
"sonar-pro": "perplexity",
|
| 165 |
+
"sonar-reasoning": "perplexity",
|
| 166 |
+
"sonar-reasoning-pro": "perplexity",
|
| 167 |
+
"meta-llama/llama-4-scout-17b-16e-instruct": "groq",
|
| 168 |
+
"llama-3.3-70b-versatile": "groq",
|
| 169 |
+
"llama-3.1-8b-instant": "groq",
|
| 170 |
+
"llama3-70b-8192": "groq",
|
| 171 |
+
"meta-llama/Meta-Llama-3.1-405B-Instruct-Turbo": "together",
|
| 172 |
+
"open-mistral-nemo": "mistral",
|
| 173 |
+
"mistral-large-latest": "mistral",
|
| 174 |
+
"mistral-medium-latest": "mistral",
|
| 175 |
+
"mistral-small-latest": "mistral",
|
| 176 |
+
"codestral-latest": "mistral",
|
| 177 |
+
"deepseek-r1-distill-llama-70b": "groq",
|
| 178 |
+
"gemini-2.5-pro-preview-06-05": "google",
|
| 179 |
+
"gemini-1.5-flash": "google",
|
| 180 |
+
"gemini-2.5-flash-preview-04-17": "google",
|
| 181 |
+
"gemini-2.0-flash": "google",
|
| 182 |
+
"gemini-2.0-flash-thinking-exp-01-21": "google",
|
| 183 |
+
"deepseek-ai/DeepSeek-R1": "together",
|
| 184 |
+
"deepseek-ai/DeepSeek-V3": "together",
|
| 185 |
+
"grok-3-fast-beta": "xai",
|
| 186 |
+
"grok-3-mini-fast-beta": "xai",
|
| 187 |
+
"grok-2-latest": "xai"
|
| 188 |
+
}
|
| 189 |
+
|
| 190 |
+
# 生成完整的模型映射表(包含搜索版本)
|
| 191 |
+
@classmethod
|
| 192 |
+
def get_model_map(cls):
|
| 193 |
+
model_map = cls.BASE_MODELS.copy()
|
| 194 |
+
# 为每个基础模型添加带搜索功能的版本
|
| 195 |
+
for model in cls.BASE_MODELS.keys():
|
| 196 |
+
model_map[f"{model}-search"] = cls.BASE_MODELS[model]
|
| 197 |
+
return model_map
|
| 198 |
+
|
| 199 |
+
@classmethod
|
| 200 |
+
def get_provider(cls, model):
|
| 201 |
+
base_model = UtilsHelper.get_base_model(model)
|
| 202 |
+
return cls.get_model_map().get(base_model, 'google')
|
| 203 |
+
|
| 204 |
+
@classmethod
|
| 205 |
+
def get_actual_model(cls, model):
|
| 206 |
+
base_model = UtilsHelper.get_base_model(model)
|
| 207 |
+
provider = cls.get_provider(model)
|
| 208 |
+
|
| 209 |
+
if provider == 'raycast':
|
| 210 |
+
return 'gemini-2.5-flash-preview-04-17'
|
| 211 |
+
else:
|
| 212 |
+
return base_model
|
| 213 |
+
|
| 214 |
+
@classmethod
|
| 215 |
+
def get_all_models(cls):
|
| 216 |
+
return list(cls.get_model_map().keys())
|
| 217 |
+
|
| 218 |
+
# ==================== 工具功能类 ====================
|
| 219 |
+
class ToolsManager:
|
| 220 |
+
@staticmethod
|
| 221 |
+
def get_tools(use_search=False):
|
| 222 |
+
if not use_search:
|
| 223 |
+
return []
|
| 224 |
+
|
| 225 |
+
return [
|
| 226 |
+
{
|
| 227 |
+
"name": "search_images",
|
| 228 |
+
"type": "remote_tool"
|
| 229 |
+
},
|
| 230 |
+
{
|
| 231 |
+
"name": "web_search",
|
| 232 |
+
"type": "remote_tool"
|
| 233 |
+
}
|
| 234 |
+
]
|
| 235 |
+
|
| 236 |
+
# ==================== 文件上传类 ====================
|
| 237 |
+
class FileUploader:
|
| 238 |
+
@classmethod
|
| 239 |
+
def upload_file(cls, file_data):
|
| 240 |
+
try:
|
| 241 |
+
filename = file_data['filename']
|
| 242 |
+
content = file_data['content']
|
| 243 |
+
content_type = file_data['contentType']
|
| 244 |
+
|
| 245 |
+
buffer = base64.b64decode(content)
|
| 246 |
+
byte_size = len(buffer)
|
| 247 |
+
checksum = UtilsHelper.generate_md5(buffer)
|
| 248 |
+
|
| 249 |
+
# 创建文件元数据
|
| 250 |
+
create_file_payload = {
|
| 251 |
+
'blob': {
|
| 252 |
+
'byte_size': byte_size,
|
| 253 |
+
'checksum': checksum,
|
| 254 |
+
'content_type': content_type,
|
| 255 |
+
'filename': filename
|
| 256 |
+
}
|
| 257 |
+
}
|
| 258 |
+
|
| 259 |
+
headers = Config.get_raycast_headers()
|
| 260 |
+
headers['x-raycast-timestamp'] = str(UtilsHelper.get_current_timestamp())
|
| 261 |
+
headers['x-request-id'] = UtilsHelper.generate_uuid().upper()
|
| 262 |
+
|
| 263 |
+
create_response = requests.post(
|
| 264 |
+
Config.RAYCAST_FILES_URL,
|
| 265 |
+
headers=headers,
|
| 266 |
+
json=create_file_payload,
|
| 267 |
+
timeout=30
|
| 268 |
+
)
|
| 269 |
+
|
| 270 |
+
if not create_response.ok:
|
| 271 |
+
raise Exception(f'文件元数据创建失败: {create_response.status_code}')
|
| 272 |
+
|
| 273 |
+
create_result = create_response.json()
|
| 274 |
+
upload_url = create_result['direct_upload']['url']
|
| 275 |
+
file_id = create_result['id']
|
| 276 |
+
|
| 277 |
+
# 上传文件
|
| 278 |
+
upload_headers = {
|
| 279 |
+
'Content-Type': content_type,
|
| 280 |
+
'Content-MD5': checksum,
|
| 281 |
+
'Content-Length': str(byte_size),
|
| 282 |
+
'Content-Disposition': f'inline; filename="{filename}"; filename*=UTF-8\'\'{filename}',
|
| 283 |
+
'Upload-Complete': '?1'
|
| 284 |
+
}
|
| 285 |
+
|
| 286 |
+
upload_response = requests.put(
|
| 287 |
+
upload_url,
|
| 288 |
+
headers=upload_headers,
|
| 289 |
+
data=buffer,
|
| 290 |
+
timeout=60
|
| 291 |
+
)
|
| 292 |
+
|
| 293 |
+
if not upload_response.ok:
|
| 294 |
+
raise Exception(f'文件上传失败: {upload_response.status_code}')
|
| 295 |
+
|
| 296 |
+
return {
|
| 297 |
+
'id': file_id,
|
| 298 |
+
'type': 'file'
|
| 299 |
+
}
|
| 300 |
+
|
| 301 |
+
except Exception as error:
|
| 302 |
+
print(f'文件上传错误: {error}')
|
| 303 |
+
raise error
|
| 304 |
+
|
| 305 |
+
@classmethod
|
| 306 |
+
def extract_files_from_openai(cls, messages):
|
| 307 |
+
files = []
|
| 308 |
+
|
| 309 |
+
for message in messages:
|
| 310 |
+
if message.get('role') == 'user' and isinstance(message.get('content'), list):
|
| 311 |
+
for content in message['content']:
|
| 312 |
+
if content.get('type') == 'image_url' and content.get('image_url'):
|
| 313 |
+
url = content['image_url']['url']
|
| 314 |
+
if url.startswith('data:'):
|
| 315 |
+
# 处理base64图片
|
| 316 |
+
header, data = url.split(',', 1)
|
| 317 |
+
mime_match = header.split(':')[1].split(';')[0] if ':' in header else 'image/jpeg'
|
| 318 |
+
content_type = mime_match
|
| 319 |
+
|
| 320 |
+
files.append({
|
| 321 |
+
'filename': f'image_{UtilsHelper.generate_uuid()}.{content_type.split("/")[1]}',
|
| 322 |
+
'content': data,
|
| 323 |
+
'contentType': content_type
|
| 324 |
+
})
|
| 325 |
+
|
| 326 |
+
return files
|
| 327 |
+
|
| 328 |
+
# ==================== 转换类 ====================
|
| 329 |
+
class MessageConverter:
|
| 330 |
+
@classmethod
|
| 331 |
+
def merge_consecutive_messages(cls, messages):
|
| 332 |
+
"""合并连续相同角色的消息"""
|
| 333 |
+
if not messages:
|
| 334 |
+
return messages
|
| 335 |
+
|
| 336 |
+
merged_messages = []
|
| 337 |
+
current_message = None
|
| 338 |
+
|
| 339 |
+
for message in messages:
|
| 340 |
+
role = message.get('role')
|
| 341 |
+
content = message.get('content', '')
|
| 342 |
+
|
| 343 |
+
# 处理content为list的情况
|
| 344 |
+
if isinstance(content, list):
|
| 345 |
+
content = ''.join([
|
| 346 |
+
c.get('text', '') for c in content
|
| 347 |
+
if c.get('type') == 'text'
|
| 348 |
+
])
|
| 349 |
+
|
| 350 |
+
if current_message is None:
|
| 351 |
+
# 第一条消息
|
| 352 |
+
current_message = {
|
| 353 |
+
'role': role,
|
| 354 |
+
'content': content
|
| 355 |
+
}
|
| 356 |
+
elif current_message['role'] == role:
|
| 357 |
+
# 相同角色,合并内容
|
| 358 |
+
current_message['content'] += '\n' + content
|
| 359 |
+
else:
|
| 360 |
+
# 不同角色,保存当前消息并开始新消息
|
| 361 |
+
merged_messages.append(current_message)
|
| 362 |
+
current_message = {
|
| 363 |
+
'role': role,
|
| 364 |
+
'content': content
|
| 365 |
+
}
|
| 366 |
+
|
| 367 |
+
# 添加最后一条消息
|
| 368 |
+
if current_message:
|
| 369 |
+
merged_messages.append(current_message)
|
| 370 |
+
|
| 371 |
+
return merged_messages
|
| 372 |
+
|
| 373 |
+
@classmethod
|
| 374 |
+
def process_system_messages(cls, messages):
|
| 375 |
+
# 先合并连续相同角色的消息
|
| 376 |
+
merged_messages = cls.merge_consecutive_messages(messages)
|
| 377 |
+
|
| 378 |
+
processed_messages = []
|
| 379 |
+
additional_system_instructions = ''
|
| 380 |
+
system_collection_stopped = False
|
| 381 |
+
|
| 382 |
+
for message in merged_messages:
|
| 383 |
+
if message.get('role') == 'system':
|
| 384 |
+
if not system_collection_stopped:
|
| 385 |
+
# 连续的 system 消息收集到 additional_system_instructions
|
| 386 |
+
if additional_system_instructions:
|
| 387 |
+
additional_system_instructions += '\n' + message['content']
|
| 388 |
+
else:
|
| 389 |
+
additional_system_instructions = message['content']
|
| 390 |
+
else:
|
| 391 |
+
# 后续的 system 消息转换为 user 消息
|
| 392 |
+
processed_messages.append({
|
| 393 |
+
'author': 'user',
|
| 394 |
+
'content': {
|
| 395 |
+
'references': [],
|
| 396 |
+
'text': message['content']
|
| 397 |
+
}
|
| 398 |
+
})
|
| 399 |
+
else:
|
| 400 |
+
# 遇到非 system 消息,停止收集 system 消息
|
| 401 |
+
system_collection_stopped = True
|
| 402 |
+
|
| 403 |
+
processed_message = {
|
| 404 |
+
'author': 'user' if message.get('role') == 'user' else 'assistant',
|
| 405 |
+
'content': {
|
| 406 |
+
'references': [],
|
| 407 |
+
'text': message['content']
|
| 408 |
+
}
|
| 409 |
+
}
|
| 410 |
+
|
| 411 |
+
processed_messages.append(processed_message)
|
| 412 |
+
|
| 413 |
+
return processed_messages, additional_system_instructions
|
| 414 |
+
|
| 415 |
+
@classmethod
|
| 416 |
+
def convert_to_raycast_format(cls, openai_request):
|
| 417 |
+
processed_messages, additional_system_instructions = cls.process_system_messages(
|
| 418 |
+
openai_request['messages']
|
| 419 |
+
)
|
| 420 |
+
|
| 421 |
+
# 处理文件上传
|
| 422 |
+
files = FileUploader.extract_files_from_openai(openai_request['messages'])
|
| 423 |
+
attachments = []
|
| 424 |
+
|
| 425 |
+
for file in files:
|
| 426 |
+
try:
|
| 427 |
+
uploaded_file = FileUploader.upload_file(file)
|
| 428 |
+
attachments.append(uploaded_file)
|
| 429 |
+
except Exception as error:
|
| 430 |
+
print(f'文件上传失败: {error}')
|
| 431 |
+
|
| 432 |
+
# 如果有附件,添加到最后一个用户消息中
|
| 433 |
+
if attachments and processed_messages:
|
| 434 |
+
last_message = processed_messages[-1]
|
| 435 |
+
if last_message['author'] == 'user':
|
| 436 |
+
last_message['content']['attachments'] = attachments
|
| 437 |
+
|
| 438 |
+
actual_model = ModelMapper.get_actual_model(openai_request['model'])
|
| 439 |
+
provider = ModelMapper.get_provider(openai_request['model'])
|
| 440 |
+
use_search = UtilsHelper.is_search_model(openai_request['model'])
|
| 441 |
+
|
| 442 |
+
raycast_request = {
|
| 443 |
+
'additional_system_instructions': additional_system_instructions or Config.DEFAULT_SYSTEM_INSTRUCTIONS,
|
| 444 |
+
'debug': False,
|
| 445 |
+
'locale': 'en_CN',
|
| 446 |
+
'message_id': UtilsHelper.generate_uuid(),
|
| 447 |
+
'messages': processed_messages,
|
| 448 |
+
'model': actual_model,
|
| 449 |
+
'provider': 'google' if provider == 'raycast' else provider,
|
| 450 |
+
'source': 'ai_chat',
|
| 451 |
+
'tools': ToolsManager.get_tools(use_search)
|
| 452 |
+
}
|
| 453 |
+
|
| 454 |
+
return raycast_request
|
| 455 |
+
|
| 456 |
+
# ==================== 响应处理类 ====================
|
| 457 |
+
class ResponseProcessor:
|
| 458 |
+
def __init__(self):
|
| 459 |
+
self.is_thinking = False
|
| 460 |
+
self.thinking_content = ''
|
| 461 |
+
|
| 462 |
+
def process_raycast_chunk(self, chunk):
|
| 463 |
+
content = ''
|
| 464 |
+
|
| 465 |
+
# 处理思考内容
|
| 466 |
+
if chunk.get('reasoning'):
|
| 467 |
+
if not self.is_thinking:
|
| 468 |
+
# 开始思考
|
| 469 |
+
self.is_thinking = True
|
| 470 |
+
content += '<think>'
|
| 471 |
+
content += chunk['reasoning']
|
| 472 |
+
self.thinking_content += chunk['reasoning']
|
| 473 |
+
|
| 474 |
+
# 处理普通文本内容
|
| 475 |
+
if chunk.get('text'):
|
| 476 |
+
if self.is_thinking:
|
| 477 |
+
# 结束思考
|
| 478 |
+
content += '</think>'
|
| 479 |
+
self.is_thinking = False
|
| 480 |
+
self.thinking_content = ''
|
| 481 |
+
content += chunk['text']
|
| 482 |
+
|
| 483 |
+
return content
|
| 484 |
+
|
| 485 |
+
def convert_to_openai_format(self, raycast_chunk, model, is_stream=False):
|
| 486 |
+
content = self.process_raycast_chunk(raycast_chunk)
|
| 487 |
+
|
| 488 |
+
if is_stream:
|
| 489 |
+
return {
|
| 490 |
+
'id': 'chatcmpl-' + UtilsHelper.generate_uuid(),
|
| 491 |
+
'object': 'chat.completion.chunk',
|
| 492 |
+
'created': UtilsHelper.get_current_timestamp(),
|
| 493 |
+
'model': model,
|
| 494 |
+
'choices': [{
|
| 495 |
+
'index': 0,
|
| 496 |
+
'delta': {
|
| 497 |
+
'content': content
|
| 498 |
+
},
|
| 499 |
+
'finish_reason': None
|
| 500 |
+
}]
|
| 501 |
+
}
|
| 502 |
+
else:
|
| 503 |
+
return {
|
| 504 |
+
'id': 'chatcmpl-' + UtilsHelper.generate_uuid(),
|
| 505 |
+
'object': 'chat.completion',
|
| 506 |
+
'created': UtilsHelper.get_current_timestamp(),
|
| 507 |
+
'model': model,
|
| 508 |
+
'choices': [{
|
| 509 |
+
'index': 0,
|
| 510 |
+
'message': {
|
| 511 |
+
'role': 'assistant',
|
| 512 |
+
'content': content
|
| 513 |
+
},
|
| 514 |
+
'finish_reason': 'stop'
|
| 515 |
+
}],
|
| 516 |
+
'usage': {
|
| 517 |
+
'prompt_tokens': 0,
|
| 518 |
+
'completion_tokens': 0,
|
| 519 |
+
'total_tokens': 0
|
| 520 |
+
}
|
| 521 |
+
}
|
| 522 |
+
|
| 523 |
+
def finish_thinking(self):
|
| 524 |
+
if self.is_thinking:
|
| 525 |
+
self.is_thinking = False
|
| 526 |
+
return '</think>'
|
| 527 |
+
return ''
|
| 528 |
+
|
| 529 |
+
# ==================== API服务类 ====================
|
| 530 |
+
class RaycastAPIService:
|
| 531 |
+
@classmethod
|
| 532 |
+
def send_request(cls, raycast_request):
|
| 533 |
+
headers = Config.get_raycast_headers()
|
| 534 |
+
headers['x-raycast-timestamp'] = str(UtilsHelper.get_current_timestamp())
|
| 535 |
+
|
| 536 |
+
print(f'发送到 Raycast: {json.dumps(raycast_request, indent=2, ensure_ascii=False)}')
|
| 537 |
+
|
| 538 |
+
response = requests.post(
|
| 539 |
+
Config.RAYCAST_CHAT_URL,
|
| 540 |
+
headers=headers,
|
| 541 |
+
json=raycast_request,
|
| 542 |
+
stream=True,
|
| 543 |
+
timeout=120
|
| 544 |
+
)
|
| 545 |
+
|
| 546 |
+
if not response.ok:
|
| 547 |
+
error_text = response.text
|
| 548 |
+
print(f'Raycast API 错误响应: {error_text}')
|
| 549 |
+
raise Exception(f'Raycast API 响应错误: {response.status_code} {response.reason}')
|
| 550 |
+
|
| 551 |
+
return response
|
| 552 |
+
|
| 553 |
+
# ==================== 处理函数 ====================
|
| 554 |
+
def handle_chat_completion(request_data):
|
| 555 |
+
try:
|
| 556 |
+
print(f'收到请求: {json.dumps(request_data, indent=2, ensure_ascii=False)}')
|
| 557 |
+
|
| 558 |
+
# 转换请求格式
|
| 559 |
+
raycast_request = MessageConverter.convert_to_raycast_format(request_data)
|
| 560 |
+
|
| 561 |
+
# 发送请求到 Raycast
|
| 562 |
+
response = RaycastAPIService.send_request(raycast_request)
|
| 563 |
+
|
| 564 |
+
return response, request_data
|
| 565 |
+
|
| 566 |
+
except Exception as error:
|
| 567 |
+
print(f'代理错误: {error}')
|
| 568 |
+
raise error
|
| 569 |
+
|
| 570 |
+
def process_stream_response(response, request_data):
|
| 571 |
+
processor = ResponseProcessor()
|
| 572 |
+
|
| 573 |
+
def generate():
|
| 574 |
+
try:
|
| 575 |
+
buffer = ''
|
| 576 |
+
for chunk in response.iter_lines():
|
| 577 |
+
chunk = chunk.decode("utf-8").strip()
|
| 578 |
+
if chunk:
|
| 579 |
+
buffer += chunk + '\n'
|
| 580 |
+
lines = buffer.split('\n')
|
| 581 |
+
buffer = lines.pop() if lines else ''
|
| 582 |
+
|
| 583 |
+
for line in lines:
|
| 584 |
+
if line.strip():
|
| 585 |
+
try:
|
| 586 |
+
if line.startswith('data: '):
|
| 587 |
+
data = line[6:]
|
| 588 |
+
if data == '[DONE]':
|
| 589 |
+
# 检查是否需要关闭thinking标签
|
| 590 |
+
finish_content = processor.finish_thinking()
|
| 591 |
+
if finish_content:
|
| 592 |
+
finish_response = processor.convert_to_openai_format(
|
| 593 |
+
{'text': finish_content}, request_data['model'], True
|
| 594 |
+
)
|
| 595 |
+
yield f"data: {json.dumps(finish_response)}\n\n"
|
| 596 |
+
yield 'data: [DONE]\n\n'
|
| 597 |
+
return
|
| 598 |
+
|
| 599 |
+
parsed = json.loads(data)
|
| 600 |
+
openai_response = processor.convert_to_openai_format(
|
| 601 |
+
parsed, request_data['model'], True
|
| 602 |
+
)
|
| 603 |
+
yield f"data: {json.dumps(openai_response)}\n\n"
|
| 604 |
+
except Exception as err:
|
| 605 |
+
print(f'解析流式响应错误: {err}, 原始行: {line}')
|
| 606 |
+
|
| 607 |
+
yield 'data: [DONE]\n\n'
|
| 608 |
+
|
| 609 |
+
except Exception as err:
|
| 610 |
+
print(f'流式响应错误: {err}')
|
| 611 |
+
yield f'data: {json.dumps({"error": "流式响应处理错误"})}\n\n'
|
| 612 |
+
finally:
|
| 613 |
+
response.close()
|
| 614 |
+
|
| 615 |
+
return generate()
|
| 616 |
+
|
| 617 |
+
def process_non_stream_response(response, request_data):
|
| 618 |
+
processor = ResponseProcessor()
|
| 619 |
+
full_content = ''
|
| 620 |
+
|
| 621 |
+
try:
|
| 622 |
+
buffer = ''
|
| 623 |
+
for chunk in response.iter_lines():
|
| 624 |
+
chunk = chunk.decode("utf-8").strip()
|
| 625 |
+
if chunk:
|
| 626 |
+
buffer += chunk + '\n'
|
| 627 |
+
lines = buffer.split('\n')
|
| 628 |
+
buffer = lines.pop() if lines else ''
|
| 629 |
+
|
| 630 |
+
for line in lines:
|
| 631 |
+
if line.strip():
|
| 632 |
+
try:
|
| 633 |
+
if line.startswith('data: '):
|
| 634 |
+
data = line[6:]
|
| 635 |
+
if data == '[DONE]':
|
| 636 |
+
break # 结束处理
|
| 637 |
+
|
| 638 |
+
parsed = json.loads(data)
|
| 639 |
+
content = processor.process_raycast_chunk(parsed)
|
| 640 |
+
full_content += content
|
| 641 |
+
except Exception as err:
|
| 642 |
+
print(f'解析非流式响应错误: {err}, 原始行: {line}')
|
| 643 |
+
|
| 644 |
+
# 确保thinking标签正确关闭
|
| 645 |
+
finish_content = processor.finish_thinking()
|
| 646 |
+
full_content += finish_content
|
| 647 |
+
|
| 648 |
+
return {
|
| 649 |
+
'id': 'chatcmpl-' + UtilsHelper.generate_uuid(),
|
| 650 |
+
'object': 'chat.completion',
|
| 651 |
+
'created': UtilsHelper.get_current_timestamp(),
|
| 652 |
+
'model': request_data['model'],
|
| 653 |
+
'choices': [{
|
| 654 |
+
'index': 0,
|
| 655 |
+
'message': {
|
| 656 |
+
'role': 'assistant',
|
| 657 |
+
'content': full_content
|
| 658 |
+
},
|
| 659 |
+
'finish_reason': 'stop'
|
| 660 |
+
}],
|
| 661 |
+
'usage': {
|
| 662 |
+
'prompt_tokens': 0,
|
| 663 |
+
'completion_tokens': 0,
|
| 664 |
+
'total_tokens': 0
|
| 665 |
+
}
|
| 666 |
+
}
|
| 667 |
+
|
| 668 |
+
except Exception as err:
|
| 669 |
+
print(f'非流式响应错误: {err}')
|
| 670 |
+
raise err
|
| 671 |
+
finally:
|
| 672 |
+
response.close()
|
| 673 |
+
|
| 674 |
+
# ==================== 路由处理 ====================
|
| 675 |
+
|
| 676 |
+
@app.route('/v1/chat/completions', methods=['POST'])
|
| 677 |
+
@require_auth
|
| 678 |
+
def chat_completions():
|
| 679 |
+
try:
|
| 680 |
+
request_data = request.get_json()
|
| 681 |
+
if not request_data:
|
| 682 |
+
return jsonify({
|
| 683 |
+
'error': {
|
| 684 |
+
'message': '请求数据为空',
|
| 685 |
+
'type': 'invalid_request',
|
| 686 |
+
'code': 'invalid_request'
|
| 687 |
+
}
|
| 688 |
+
}), 400
|
| 689 |
+
|
| 690 |
+
is_stream = request_data.get('stream', False)
|
| 691 |
+
|
| 692 |
+
# 在线程池中处理请求
|
| 693 |
+
future = executor.submit(handle_chat_completion, request_data)
|
| 694 |
+
response, req_data = future.result()
|
| 695 |
+
|
| 696 |
+
if is_stream:
|
| 697 |
+
return Response(
|
| 698 |
+
stream_with_context(process_stream_response(response, req_data)),
|
| 699 |
+
content_type='text/event-stream',
|
| 700 |
+
headers={
|
| 701 |
+
'Cache-Control': 'no-cache',
|
| 702 |
+
'Connection': 'keep-alive',
|
| 703 |
+
'Access-Control-Allow-Origin': '*'
|
| 704 |
+
}
|
| 705 |
+
)
|
| 706 |
+
else:
|
| 707 |
+
future = executor.submit(process_non_stream_response, response, req_data)
|
| 708 |
+
result = future.result()
|
| 709 |
+
return jsonify(result)
|
| 710 |
+
|
| 711 |
+
except Exception as error:
|
| 712 |
+
return jsonify({
|
| 713 |
+
'error': {
|
| 714 |
+
'message': str(error) or '内部服务器错误',
|
| 715 |
+
'type': 'internal_error',
|
| 716 |
+
'code': 'internal_error'
|
| 717 |
+
}
|
| 718 |
+
}), 500
|
| 719 |
+
|
| 720 |
+
@app.route('/v1/models', methods=['GET'])
|
| 721 |
+
def list_models():
|
| 722 |
+
models = [
|
| 723 |
+
{
|
| 724 |
+
'id': model,
|
| 725 |
+
'object': 'model',
|
| 726 |
+
'created': UtilsHelper.get_current_timestamp(),
|
| 727 |
+
'owned_by': 'raycast-proxy'
|
| 728 |
+
}
|
| 729 |
+
for model in ModelMapper.get_all_models()
|
| 730 |
+
]
|
| 731 |
+
|
| 732 |
+
return jsonify({
|
| 733 |
+
'object': 'list',
|
| 734 |
+
'data': models
|
| 735 |
+
})
|
| 736 |
+
|
| 737 |
+
@app.route('/health', methods=['GET'])
|
| 738 |
+
def health_check():
|
| 739 |
+
return jsonify({
|
| 740 |
+
'status': 'ok',
|
| 741 |
+
'timestamp': datetime.now().isoformat(),
|
| 742 |
+
'models_count': len(ModelMapper.get_all_models()),
|
| 743 |
+
'config': {
|
| 744 |
+
'port': Config.PORT,
|
| 745 |
+
'max_workers': Config.MAX_WORKERS,
|
| 746 |
+
'auth_required': bool(Config.API_KEY)
|
| 747 |
+
}
|
| 748 |
+
})
|
| 749 |
+
|
| 750 |
+
@app.route('/', methods=['OPTIONS'])
|
| 751 |
+
@app.route('/v1/chat/completions', methods=['OPTIONS'])
|
| 752 |
+
@app.route('/v1/models', methods=['OPTIONS'])
|
| 753 |
+
def handle_options():
|
| 754 |
+
return '', 200
|
| 755 |
+
|
| 756 |
+
if __name__ == '__main__':
|
| 757 |
+
print(f'🚀 Raycast 代理服务器运行在端口 {Config.PORT}')
|
| 758 |
+
print(f'🔗 OpenAI 兼容端点: http://localhost:{Config.PORT}/v1/chat/completions')
|
| 759 |
+
print(f'📜 模型列表: http://localhost:{Config.PORT}/v1/models')
|
| 760 |
+
print(f'⚡ 最大工作线程数: {Config.MAX_WORKERS}')
|
| 761 |
+
|
| 762 |
+
# 使用支持多线程的WSGI服务器
|
| 763 |
+
app.run(
|
| 764 |
+
host='0.0.0.0',
|
| 765 |
+
port=Config.PORT,
|
| 766 |
+
debug=False,
|
| 767 |
+
threaded=True,
|
| 768 |
+
processes=1
|
| 769 |
+
)
|