✨ Feature: 支持自定义 matchers 存储管理 (#1395)

nonebot/internal/matcher/provider.py

@@ -0,0 +1,27 @@
+import abc
+from collections import defaultdict
+from typing import TYPE_CHECKING, List, Type, Mapping, MutableMapping
+
+if TYPE_CHECKING:
+    from .matcher import Matcher
+
+
+class MatcherProvider(abc.ABC, MutableMapping[int, List[Type["Matcher"]]]):
+    """事件响应器存储器基类
+
+    参数:
+        matchers: 当前存储器中已有的事件响应器
+    """
+
+    @abc.abstractmethod
+    def __init__(self, matchers: Mapping[int, List[Type["Matcher"]]]):
+        raise NotImplementedError
+
+
+class _DictProvider(defaultdict, MatcherProvider):
+    def __init__(self, matchers: Mapping[int, List[Type["Matcher"]]]):
+        super().__init__(list, matchers)
+
+
+DEFAULT_PROVIDER_CLASS = _DictProvider
+"""默认存储器类型"""