Dev Sync (#18)

* Update README and MQTTClient for installation instructions and code improvements

* feat: 支持local_config启动
add: 增加对crt path的说明，为传入config.py的相对路径
move: web component

* add: registry description

* feat: node_info_update srv
fix: OTDeck cant create

* close #12
feat: slave node registry

* feat: show machine name
fix: host node registry not uploaded

* feat: add hplc registry

* feat: add hplc registry

* fix: hplc status typo

* fix: devices/

* fix: device.class possible null

* fix: HPLC additions with online service

* fix: slave mode spin not working

* fix: slave mode spin not working

* feat: 多ProtocolNode 允许子设备ID相同
feat: 上报发现的ActionClient
feat: Host重启动，通过discover机制要求slaveNode重新注册，实现信息及时上报

* feat: 支持env设置config

---------

Co-authored-by: Harvey Que <Q-Query@outlook.com>

unilabos/app/main.py

@@ -12,7 +12,7 @@ ilabos_dir = os.path.dirname(os.path.dirname(current_dir))
 if ilabos_dir not in sys.path:
     sys.path.append(ilabos_dir)
 
-from unilabos.config.config import load_config, BasicConfig
+from unilabos.config.config import load_config, BasicConfig, _update_config_from_env
 from unilabos.utils.banner_print import print_status, print_unilab_banner
 
 
@@ -80,8 +80,10 @@ def main():
     args = parse_args()
     args_dict = vars(args)
 
-    # 加载配置文件 - 这里保持最先加载配置的逻辑
+    # 加载配置文件，优先加载config，然后从env读取
     config_path = args_dict.get("config")
+    if config_path is None:
+        config_path = os.environ.get("UNILABOS.BASICCONFIG.CONFIG_PATH", None)
     if config_path:
         if not os.path.exists(config_path):
             print_status(f"配置文件 {config_path} 不存在", "error")

unilabos/config/config.py

@@ -101,26 +101,79 @@ def _update_config_from_module(module):
             logger.warning("Skipping key file loading, key_file is empty")
 
 
+def _update_config_from_env():
+    prefix = "UNILABOS."
+    for env_key, env_value in os.environ.items():
+        if not env_key.startswith(prefix):
+            continue
+        try:
+            key_path = env_key[len(prefix):]  # Remove UNILAB_ prefix
+            class_field = key_path.upper().split(".", 1)
+            if len(class_field) != 2:
+                logger.warning(f"[ENV] 环境变量格式不正确：{env_key}")
+                continue
+
+            class_key, field_key = class_field
+            # 遍历 globals 找匹配类（不区分大小写）
+            matched_cls = None
+            for name, obj in globals().items():
+                if name.upper() == class_key and isinstance(obj, type):
+                    matched_cls = obj
+                    break
+
+            if matched_cls is None:
+                logger.warning(f"[ENV] 未找到类：{class_key}")
+                continue
+
+            # 查找类属性（不区分大小写）
+            matched_field = None
+            for attr in dir(matched_cls):
+                if attr.upper() == field_key:
+                    matched_field = attr
+                    break
+
+            if matched_field is None:
+                logger.warning(f"[ENV] 类 {matched_cls.__name__} 中未找到字段：{field_key}")
+                continue
+
+            current_value = getattr(matched_cls, matched_field)
+            attr_type = type(current_value)
+            if attr_type == bool:
+                value = env_value.lower() in ("true", "1", "yes")
+            elif attr_type == int:
+                value = int(env_value)
+            elif attr_type == float:
+                value = float(env_value)
+            else:
+                value = env_value
+            setattr(matched_cls, matched_field, value)
+            logger.info(f"[ENV] 设置 {matched_cls.__name__}.{matched_field} = {value}")
+        except Exception as e:
+            logger.warning(f"[ENV] 解析环境变量 {env_key} 失败: {e}")
+
+
+
 def load_config(config_path=None):
     # 如果提供了配置文件路径，从该文件导入配置
     if config_path:
+        _update_config_from_env()  # 允许config_path被env设定后读取
         BasicConfig.config_path = os.path.abspath(os.path.dirname(config_path))
         if not os.path.exists(config_path):
-            logger.error(f"配置文件 {config_path} 不存在")
+            logger.error(f"[ENV] 配置文件 {config_path} 不存在")
             exit(1)
 
         try:
             module_name = "lab_" + os.path.basename(config_path).replace(".py", "")
             spec = importlib.util.spec_from_file_location(module_name, config_path)
             if spec is None:
-                logger.error(f"配置文件 {config_path} 错误")
+                logger.error(f"[ENV] 配置文件 {config_path} 错误")
                 return
             module = importlib.util.module_from_spec(spec)
             spec.loader.exec_module(module)  # type: ignore
             _update_config_from_module(module)
-            logger.info(f"配置文件 {config_path} 加载成功")
+            logger.info(f"[ENV] 配置文件 {config_path} 加载成功")
         except Exception as e:
-            logger.error(f"加载配置文件 {config_path} 失败: {e}")
+            logger.error(f"[ENV] 加载配置文件 {config_path} 失败")
             traceback.print_exc()
             exit(1)
     else: