✨ freeze action

src/arclet/alconna/action.py

@@ -19,18 +19,12 @@ class ActType(IntEnum):
     """
 
 
-@dataclass(eq=True)
+@dataclass(eq=True, frozen=True)
 class Action:
     """节点触发的动作"""
     type: ActType
     value: Any
 
-    def __post_init__(self):
-        if self.type == ActType.APPEND and not isinstance(self.value, list):
-            self.value = [self.value]
-        elif self.type == ActType.COUNT and not isinstance(self.value, int):
-            self.value = 1
-
 
 store = Action(ActType.STORE, Ellipsis)
 """默认的存储动作"""

src/arclet/alconna/base.py

@@ -2,6 +2,7 @@
 from __future__ import annotations
 
 from functools import reduce
+from dataclasses import replace
 from typing import Any, Iterable, Sequence, overload
 
 from tarina import lang
@@ -17,6 +18,10 @@ def _handle_default(node: CommandNode):
     if node.default is None:
         return
     act = node.action
+    if act.type == 1 and not isinstance(act.value, list):
+        act = node.action = replace(act, value=[act.value])
+    elif act.type == 2 and not isinstance(act.value, int):
+        act = node.action = replace(act, value=1)
     if isinstance(node.default, (OptionResult, SubcommandResult)):
         if act.type == 0 and act.value is ...:
             node.action = Action(act.type, node.default.value)