init chongming fastapi 脚手架

{{ cookiecutter.project_name }}/public/utils/config.py

@@ -0,0 +1,82 @@
+# config_loader.py - 读取config.toml的示例代码
+
+import toml
+import os
+from pathlib import Path
+from typing import Any, Dict, Optional
+
+class ConfigLoader:
+    """TOML配置文件加载器"""
+    
+    def __init__(self, config_path: Optional[str] = None):
+        """
+        初始化配置加载器
+        
+        Args:
+            config_path: 配置文件路径，如果为None则自动查找
+        """
+        if config_path is None:
+            # 自动查找配置文件
+            config_path = self._find_config_file()
+        
+        self.config_path = Path(config_path)
+        self._config: Dict[str, Any] = {}
+        self.load()
+    
+    def _find_config_file(self) -> str:
+        """自动查找配置文件"""
+        possible_paths = [
+            "config.toml",
+            "config/config.toml",
+            "~/.config/myapp/config.toml",
+            "/etc/myapp/config.toml"
+        ]
+        
+        for path in possible_paths:
+            expanded_path = os.path.expanduser(path)
+            if os.path.exists(expanded_path):
+                return expanded_path
+        
+        raise FileNotFoundError("未找到配置文件")
+    
+    def load(self) -> None:
+        """加载配置文件"""
+        if not self.config_path.exists():
+            raise FileNotFoundError(f"配置文件不存在: {self.config_path}")
+        
+        with open(self.config_path, 'r', encoding='utf-8') as f:
+            self._config = toml.load(f)
+    
+    def get(self, key: str, default: Any = None) -> Any:
+        """获取配置值，支持点号分隔的路径"""
+        keys = key.split('.')
+        value = self._config
+        
+        try:
+            for k in keys:
+                value = value[k]
+            return value
+        except (KeyError, TypeError):
+            return default
+    
+    def get_section(self, section: str) -> Dict[str, Any]:
+        """获取整个配置节"""
+        return self._config.get(section, {})
+    
+    def reload(self) -> None:
+        """重新加载配置文件"""
+        self.load()
+    
+    def __getitem__(self, key: str) -> Any:
+        """支持字典式访问"""
+        return self.get(key)
+    
+    def __contains__(self, key: str) -> bool:
+        """检查配置是否存在"""
+        return self.get(key) is not None
+    
+    @property
+    def all(self) -> Dict[str, Any]:
+        """获取所有配置"""
+        return self._config
+