init

backend/config.py

@@ -0,0 +1,50 @@
+import os
+from typing import Optional
+from pydantic_settings import BaseSettings
+
+
+class Settings(BaseSettings):
+    """应用配置类"""
+
+    # DeepSeek API配置
+    deepseek_api_key: str = "your-deepseek-api-key"
+
+    # 服务器配置
+    host: str = "0.0.0.0"
+    port: int = 8000
+
+    # 其他配置
+    debug: bool = False
+
+    # CORS配置
+    cors_origins: list = [
+        "http://chat.nexjs.com",
+        "http://localhost:3000",
+        "http://localhost:5173",
+        "http://localhost:5174",
+    ]
+
+    class Config:
+        env_file = ".env"
+        env_file_encoding = "utf-8"
+
+
+# 全局配置实例
+settings = Settings()
+
+
+def get_deepseek_api_key() -> str:
+    """获取DeepSeek API密钥"""
+    api_key = settings.deepseek_api_key
+
+    if api_key == "your-deepseek-api-key":
+        # 尝试从环境变量获取
+        api_key = os.getenv("DEEPSEEK_API_KEY", "your-deepseek-api-key")
+
+    return api_key
+
+
+def is_api_key_configured() -> bool:
+    """检查API密钥是否已配置"""
+    api_key = get_deepseek_api_key()
+    return api_key != "your-deepseek-api-key"