Update docs

docs/guide/code/awesome-bot-3/awesome/plugins/weather/__init__.py

@@ -1,5 +1,5 @@
 from nonebot import on_command, CommandSession
-from nonebot import on_natural_language, NLPSession, NLPResult
+from nonebot import on_natural_language, NLPSession, IntentCommand
 from jieba import posseg
 
 from .data_source import get_weather_of_city
@@ -15,21 +15,27 @@ async def weather(session: CommandSession):
 @weather.args_parser
 async def _(session: CommandSession):
     stripped_arg = session.current_arg_text.strip()
-    if session.current_key:
-        session.args[session.current_key] = stripped_arg
-    elif stripped_arg:
-        session.args['city'] = stripped_arg
+
+    if session.is_first_run:
+        if stripped_arg:
+            session.state['city'] = stripped_arg
+        return
+
+    if not stripped_arg:
+        session.pause('要查询的城市名称不能为空呢，请重新输入')
+
+    session.state[session.current_key] = stripped_arg
 
 
 # on_natural_language 装饰器将函数声明为一个自然语言处理器
 # keywords 表示需要响应的关键词，类型为任意可迭代对象，元素类型为 str
 # 如果不传入 keywords，则响应所有没有被当作命令处理的消息
-@on_natural_language(keywords=('天气',))
+@on_natural_language(keywords={'天气'})
 async def _(session: NLPSession):
     # 去掉消息首尾的空白符
-    stripped_msg_text = session.msg_text.strip()
+    stripped_msg = session.msg_text.strip()
     # 对消息进行分词和词性标注
-    words = posseg.lcut(stripped_msg_text)
+    words = posseg.lcut(stripped_msg)
 
     city = None
     # 遍历 posseg.lcut 返回的列表
@@ -39,5 +45,5 @@ async def _(session: NLPSession):
             # ns 词性表示地名
             city = word.word
 
-    # 返回处理结果，三个参数分别为置信度、命令名、命令会话的参数
-    return NLPResult(90.0, 'weather', {'city': city})
+    # 返回意图命令，前两个参数必填，分别表示置信度和意图命令名
+    return IntentCommand(90.0, 'weather', current_arg=city or '')