✨ Feature: CommandGroup 支持命令别名添加前缀选项 (#2134)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

nonebot/plugin/on.py

@@ -429,6 +429,7 @@ class CommandGroup(_Group):
 
     参数:
         cmd: 指定命令内容
+        prefix_aliases: 是否影响命令别名，给命令别名加前缀
         rule: 事件响应规则
         permission: 事件响应权限
         handlers: 事件处理函数列表
@@ -439,11 +440,14 @@ class CommandGroup(_Group):
         state: 默认 state
     """
 
-    def __init__(self, cmd: Union[str, Tuple[str, ...]], **kwargs):
+    def __init__(
+        self, cmd: Union[str, Tuple[str, ...]], prefix_aliases: bool = False, **kwargs
+    ):
         """命令前缀"""
         super().__init__(**kwargs)
         self.basecmd: Tuple[str, ...] = (cmd,) if isinstance(cmd, str) else cmd
         self.base_kwargs.pop("aliases", None)
+        self.prefix_aliases = prefix_aliases
 
     def __repr__(self) -> str:
         return f"CommandGroup(cmd={self.basecmd}, matchers={len(self.matchers)})"
@@ -466,6 +470,11 @@ class CommandGroup(_Group):
         """
         sub_cmd = (cmd,) if isinstance(cmd, str) else cmd
         cmd = self.basecmd + sub_cmd
+        if self.prefix_aliases and (aliases := kwargs.get("aliases")):
+            kwargs["aliases"] = {
+                self.basecmd + ((alias,) if isinstance(alias, str) else alias)
+                for alias in aliases
+            }
         matcher = on_command(cmd, **self._get_final_kwargs(kwargs))
         self.matchers.append(matcher)
         return matcher
@@ -490,6 +499,11 @@ class CommandGroup(_Group):
         """
         sub_cmd = (cmd,) if isinstance(cmd, str) else cmd
         cmd = self.basecmd + sub_cmd
+        if self.prefix_aliases and (aliases := kwargs.get("aliases")):
+            kwargs["aliases"] = {
+                self.basecmd + ((alias,) if isinstance(alias, str) else alias)
+                for alias in aliases
+            }
         matcher = on_shell_command(cmd, **self._get_final_kwargs(kwargs))
         self.matchers.append(matcher)
         return matcher

nonebot/plugin/on.pyi

@@ -179,6 +179,7 @@ class CommandGroup:
     def __init__(
         self,
         cmd: str | tuple[str, ...],
+        prefix_aliases: bool = ...,
         *,
         rule: Rule | T_RuleChecker | None = ...,
         permission: Permission | T_PermissionChecker | None = ...,