Improve a lot

none_demo/plugins/greeting.py

@@ -0,0 +1,22 @@
+from aiocqhttp import Error as CQHttpError
+
+import none
+from none.notice import NoticeSession
+
+GROUP_GREETING = (
+    '欢迎新同学 {name}[]！[CQ:face,id=63][CQ:face,id=63][CQ:face,id=63]',
+    '[CQ:face,id=99]欢迎新成员～',
+    '欢迎 {name}👏👏～',
+    '[CQ:at,qq={user_id}] 欢迎欢迎👏',
+)
+
+
+@none.on_notice('group_increase')
+async def _(session: NoticeSession):
+    try:
+        info = await session.bot.get_group_member_info(**session.ctx,
+                                                       no_cache=True)
+        name = info['card'] or info['nickname'] or '新成员'
+        await session.send_expr(GROUP_GREETING, name=name, **session.ctx)
+    except CQHttpError:
+        pass

none_demo/plugins/weather/__init__.py

@@ -1,4 +1,4 @@
-from none.command import Session, CommandGroup
+from none.command import CommandSession, CommandGroup
 
 from . import expressions as expr
 
@@ -6,17 +6,17 @@ w = CommandGroup('weather')
 
 
 @w.command('weather', aliases=('天气', '天气预报'))
-async def weather(session: Session):
+async def weather(session: CommandSession):
     city = session.require_arg('city', prompt_expr=expr.WHICH_CITY)
     await session.send_expr(expr.REPORT, city=city)
 
 
 @weather.args_parser
-async def _(session: Session):
+async def _(session: CommandSession):
     if session.current_key:
         session.args[session.current_key] = session.current_arg_text.strip()
 
 
 @w.command('suggestion', aliases=('生活指数', '生活建议', '生活提示'))
-async def suggestion(session: Session):
+async def suggestion(session: CommandSession):
     await session.send('suggestion')