Rename none_demo to demo

demo/plugins/weather/__init__.py

@@ -0,0 +1,35 @@
+from none import (
+    CommandSession, CommandGroup,
+    on_natural_language, NLPSession, NLPResult
+)
+
+from . import expressions as expr
+
+w = CommandGroup('weather')
+
+
+@w.command('weather', aliases=('天气', '天气预报'))
+async def weather(session: CommandSession):
+    city = session.get('city', prompt_expr=expr.WHICH_CITY)
+    await session.send_expr(expr.REPORT, city=city)
+
+
+@weather.args_parser
+async def _(session: CommandSession):
+    striped_arg = session.current_arg_text.strip()
+    if session.current_key:
+        session.args[session.current_key] = striped_arg
+    elif striped_arg:
+        session.args['city'] = striped_arg
+
+
+@on_natural_language({'天气', '雨', '雪', '晴', '阴'}, only_to_me=False)
+async def _(session: NLPSession):
+    if not ('?' in session.msg_text or '？' in session.msg_text):
+        return None
+    return NLPResult(90.0, ('weather', 'weather'), {})
+
+
+@w.command('suggestion', aliases=('生活指数', '生活建议', '生活提示'))
+async def suggestion(session: CommandSession):
+    await session.send('suggestion')