Kris
9e503becd3
新增了插件相关的完整领域模型、应用服务、基础设施实现，包括： 1. 插件状态、注册模式、来源等基础枚举和数据结构 2. 插件清单解析、发现、加载工具类 3. 插件注册表领域服务和内存存储实现 4. 插件相关的命令、查询、事件定义 5. 插件REST API接口和DTO映射 6. 集成了原有通道适配器到插件系统 7. 新增内置插件注册和自动发现能力
49 lines
1.7 KiB
Python
49 lines
1.7 KiB
Python
from __future__ import annotations
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import importlib
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import importlib.util
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import logging
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import sys
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from pathlib import Path
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logger = logging.getLogger(__name__)
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class PluginLoader:
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async def load(self, entry_file: str) -> object:
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try:
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path = Path(entry_file)
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if path.exists() and path.is_file():
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module_name = entry_file.replace("/", ".").replace("\\", ".").removesuffix(".py")
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if module_name in sys.modules:
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return sys.modules[module_name]
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spec = importlib.util.spec_from_file_location(module_name, str(path))
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if spec and spec.loader:
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module = importlib.util.module_from_spec(spec)
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sys.modules[module_name] = module
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spec.loader.exec_module(module)
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return module
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module_name = entry_file.replace("/", ".").replace("\\", ".").removesuffix(".py")
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return importlib.import_module(module_name)
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except Exception as exc:
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logger.error("failed to load plugin module %s: %s", entry_file, exc)
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raise
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def extract_adapter_class(self, module: object) -> type | None:
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for attr_name in dir(module):
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if attr_name.startswith("_"):
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continue
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attr = getattr(module, attr_name, None)
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if attr is None or not isinstance(attr, type):
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continue
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if not hasattr(attr, "get_default_config"):
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continue
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if not hasattr(attr, "capabilities"):
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continue
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if not hasattr(attr, "open") or not hasattr(attr, "close"):
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continue
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return attr
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return None
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