refactor: 命令基本完成

pkg/command/operators/version.py

@@ -0,0 +1,28 @@
+from __future__ import annotations
+
+import typing
+
+from .. import operator, cmdmgr, entities, errors
+from ...utils import updater
+
+
+@operator.operator_class(
+    name="version",
+    help="显示版本信息",
+    usage='!version'
+)
+class VersionCommand(operator.CommandOperator):
+
+    async def execute(
+        self,
+        context: entities.ExecuteContext
+    ) -> typing.AsyncGenerator[entities.CommandReturn, None]:
+        reply_str = f"当前版本: \n{updater.get_current_version_info()}"
+
+        try:
+            if updater.is_new_version_available():
+                reply_str += "\n\n有新版本可用, 使用 !update 更新"
+        except:
+            pass
+
+        yield entities.CommandReturn(text=reply_str.strip())