refactor: stripp processing unrelated to channel

channel/channel.py

@@ -20,7 +20,7 @@ class Channel(object):
         """
         raise NotImplementedError
 
-    def send(self, msg, receiver):
+    def send(self, reply: Reply, context: Context):
         """
         send message to user
         :param msg: message content

channel/chat_channel.py

@@ -0,0 +1,223 @@
+
+
+
+import re
+import time
+from common.expired_dict import ExpiredDict
+from channel.channel import Channel
+from bridge.reply import *
+from bridge.context import *
+from config import conf
+from common.log import logger
+from plugins import *
+
+
+# 抽象类, 它包含了与消息通道无关的通用处理逻辑
+class ChatChannel(Channel):
+    name = None # 登录的用户名
+    user_id = None # 登录的用户id
+    def __init__(self):
+        pass
+
+    # 根据消息构造context，消息内容相关的触发项写在这里
+    def _compose_context(self, ctype: ContextType, content, **kwargs):
+        context = Context(ctype, content)
+        context.kwargs = kwargs
+        # context首次传入时，origin_ctype是None, 
+        # 引入的起因是：当输入语音时，会嵌套生成两个context，第一步语音转文本，第二步通过文本生成文字回复。
+        # origin_ctype用于第二步文本回复时，判断是否需要匹配前缀，如果是私聊的语音，就不需要匹配前缀
+        if 'origin_ctype' not in context:  
+            context['origin_ctype'] = ctype
+        # context首次传入时，receiver是None，根据类型设置receiver
+        first_in = 'receiver' not in context
+
+        # 群名匹配过程，设置session_id和receiver
+        if first_in: # context首次传入时，receiver是None，根据类型设置receiver
+            config = conf()
+            cmsg = context['msg']
+            if context["isgroup"]:
+                group_name = cmsg.other_user_nickname
+                group_id = cmsg.other_user_id
+
+                group_name_white_list = config.get('group_name_white_list', [])
+                group_name_keyword_white_list = config.get('group_name_keyword_white_list', [])
+                if any([group_name in group_name_white_list, 'ALL_GROUP' in group_name_white_list, check_contain(group_name, group_name_keyword_white_list)]):
+                    group_chat_in_one_session = conf().get('group_chat_in_one_session', [])
+                    session_id = cmsg.actual_user_id
+                    if any([group_name in group_chat_in_one_session, 'ALL_GROUP' in group_chat_in_one_session]):
+                        session_id = group_id
+                else:
+                    return
+                context['session_id'] = session_id
+                context['receiver'] = group_id
+            else:
+                context['session_id'] = cmsg.other_user_id
+                context['receiver'] = cmsg.other_user_id
+
+
+        # 消息内容匹配过程，并处理content
+        if ctype == ContextType.TEXT:
+            if first_in and "」\n- - - - - - -" in content: # 初次匹配 过滤引用消息
+                logger.debug("[WX]reference query skipped")
+                return None
+            
+            if context["isgroup"]: # 群聊
+                # 校验关键字
+                match_prefix = check_prefix(content, conf().get('group_chat_prefix'))
+                match_contain = check_contain(content, conf().get('group_chat_keyword'))
+                if match_prefix is not None or match_contain is not None:
+                    if match_prefix:
+                        content = content.replace(match_prefix, '', 1).strip()
+                elif context['msg'].is_at and not conf().get("group_at_off", False):
+                    logger.info("[WX]receive group at, continue")
+                    pattern = f'@{self.name}(\u2005|\u0020)'
+                    content = re.sub(pattern, r'', content)
+                elif context["origin_ctype"] == ContextType.VOICE:
+                    logger.info("[WX]receive group voice, checkprefix didn't match")
+                    return None
+                else:
+                    return None
+            else: # 单聊
+                match_prefix = check_prefix(content, conf().get('single_chat_prefix'))  
+                if match_prefix is not None: # 判断如果匹配到自定义前缀，则返回过滤掉前缀+空格后的内容
+                    content = content.replace(match_prefix, '', 1).strip()
+                elif context["origin_ctype"] == ContextType.VOICE: # 如果源消息是私聊的语音消息，允许不匹配前缀，放宽条件
+                    pass
+                else:
+                    return None     
+                                                  
+            img_match_prefix = check_prefix(content, conf().get('image_create_prefix'))
+            if img_match_prefix:
+                content = content.replace(img_match_prefix, '', 1).strip()
+                context.type = ContextType.IMAGE_CREATE
+            else:
+                context.type = ContextType.TEXT
+            context.content = content
+        elif context.type == ContextType.VOICE: 
+            if 'desire_rtype' not in context and conf().get('voice_reply_voice'):
+                context['desire_rtype'] = ReplyType.VOICE
+
+
+        return context
+    
+    # 统一的发送函数，每个Channel自行实现，根据reply的type字段发送不同类型的消息
+    def send(self, reply: Reply, context: Context, retry_cnt = 0):
+        raise NotImplementedError
+
+    # 处理消息 TODO: 如果wechaty解耦，此处逻辑可以放置到父类
+    def _handle(self, context: Context):
+        if context is None or not context.content:
+            return
+        logger.debug('[WX] ready to handle context: {}'.format(context))
+        # reply的构建步骤
+        reply = self._generate_reply(context)
+
+        logger.debug('[WX] ready to decorate reply: {}'.format(reply))
+        # reply的包装步骤
+        reply = self._decorate_reply(context, reply)
+
+        # reply的发送步骤
+        self._send_reply(context, reply)
+
+    def _generate_reply(self, context: Context, reply: Reply = Reply()) -> Reply:
+        e_context = PluginManager().emit_event(EventContext(Event.ON_HANDLE_CONTEXT, {
+            'channel': self, 'context': context, 'reply': reply}))
+        reply = e_context['reply']
+        if not e_context.is_pass():
+            logger.debug('[WX] ready to handle context: type={}, content={}'.format(context.type, context.content))
+            if context.type == ContextType.TEXT or context.type == ContextType.IMAGE_CREATE:  # 文字和图片消息
+                reply = super().build_reply_content(context.content, context)
+            elif context.type == ContextType.VOICE:  # 语音消息
+                msg = context['msg']
+                msg.prepare()
+                mp3_path = context.content
+                # mp3转wav
+                wav_path = os.path.splitext(mp3_path)[0] + '.wav'
+                try:
+                    mp3_to_wav(mp3_path=mp3_path, wav_path=wav_path)
+                except Exception as e:  # 转换失败，直接使用mp3，对于某些api，mp3也可以识别
+                    logger.warning("[WX]mp3 to wav error, use mp3 path. " + str(e))
+                    wav_path = mp3_path
+                # 语音识别
+                reply = super().build_voice_to_text(wav_path)
+                # 删除临时文件
+                try:
+                    os.remove(wav_path)
+                    os.remove(mp3_path)
+                except Exception as e:
+                    logger.warning("[WX]delete temp file error: " + str(e))
+
+                if reply.type == ReplyType.TEXT:
+                    new_context = self._compose_context(
+                        ContextType.TEXT, reply.content, **context.kwargs)
+                    if new_context:
+                        reply = self._generate_reply(new_context)
+                    else:
+                        return
+            else:
+                logger.error('[WX] unknown context type: {}'.format(context.type))
+                return
+        return reply
+
+    def _decorate_reply(self, context: Context, reply: Reply) -> Reply:
+        if reply and reply.type:
+            e_context = PluginManager().emit_event(EventContext(Event.ON_DECORATE_REPLY, {
+                'channel': self, 'context': context, 'reply': reply}))
+            reply = e_context['reply']
+            desire_rtype = context.get('desire_rtype')
+            if not e_context.is_pass() and reply and reply.type:
+                if reply.type == ReplyType.TEXT:
+                    reply_text = reply.content
+                    if desire_rtype == ReplyType.VOICE:
+                        reply = super().build_text_to_voice(reply.content)
+                        return self._decorate_reply(context, reply)
+                    if context['isgroup']:
+                        reply_text = '@' +  context['msg'].actual_user_nickname + ' ' + reply_text.strip()
+                        reply_text = conf().get("group_chat_reply_prefix", "")+reply_text
+                    else:
+                        reply_text = conf().get("single_chat_reply_prefix", "")+reply_text
+                    reply.content = reply_text
+                elif reply.type == ReplyType.ERROR or reply.type == ReplyType.INFO:
+                    reply.content = str(reply.type)+":\n" + reply.content
+                elif reply.type == ReplyType.IMAGE_URL or reply.type == ReplyType.VOICE or reply.type == ReplyType.IMAGE:
+                    pass
+                else:
+                    logger.error('[WX] unknown reply type: {}'.format(reply.type))
+                    return
+            if desire_rtype and desire_rtype != reply.type and reply.type not in [ReplyType.ERROR, ReplyType.INFO]:
+                logger.warning('[WX] desire_rtype: {}, but reply type: {}'.format(context.get('desire_rtype'), reply.type))
+            return reply
+
+    def _send_reply(self, context: Context, reply: Reply):
+        if reply and reply.type:
+            e_context = PluginManager().emit_event(EventContext(Event.ON_SEND_REPLY, {
+                'channel': self, 'context': context, 'reply': reply}))
+            reply = e_context['reply']
+            if not e_context.is_pass() and reply and reply.type:
+                logger.debug('[WX] ready to send reply: {} to {}'.format(reply, context))
+                self._send(reply, context)
+
+    def _send(self, reply: Reply, context: Context, retry_cnt = 0):
+        try:
+            self.send(reply, context)
+        except Exception as e:
+            logger.error('[WX] sendMsg error: {}'.format(e))
+            if retry_cnt < 2:
+                time.sleep(3+3*retry_cnt)
+            self._send(reply, context, retry_cnt+1)
+
+    
+
+def check_prefix(content, prefix_list):
+    for prefix in prefix_list:
+        if content.startswith(prefix):
+            return prefix
+    return None
+
+def check_contain(content, keyword_list):
+    if not keyword_list:
+        return None
+    for ky in keyword_list:
+        if content.find(ky) != -1:
+            return True
+    return None

channel/chat_message.py

@@ -1,6 +1,7 @@
 
 """ 
 本类表示聊天消息，用于对itchat和wechaty的消息进行统一的封装
+
 ChatMessage
 msg_id: 消息id
 create_time: 消息创建时间
@@ -13,7 +14,7 @@ from_user_nickname: 发送者昵称
 to_user_id: 接收者id
 to_user_nickname: 接收者昵称
 
-other_user_id: 对方的id，如果你是发送者，那这个就是接收者id，如果你是接收者，那这个就是发送者id
+other_user_id: 对方的id，如果你是发送者，那这个就是接收者id，如果你是接收者，那这个就是发送者id，如果是群消息，那这一直是群id
 other_user_nickname: 同上
 
 is_group: 是否是群消息

channel/wechat/wechat_channel.py

@@ -5,10 +5,10 @@ wechat channel
 """
 
 import os
-import re
 import requests
 import io
 import time
+from channel.chat_channel import ChatChannel
 from channel.wechat.wechat_message import *
 from common.singleton import singleton
 from lib import itchat
@@ -19,7 +19,6 @@ from bridge.context import *
 from channel.channel import Channel
 from concurrent.futures import ThreadPoolExecutor
 from common.log import logger
-from common.tmp_dir import TmpDir
 from config import conf
 from common.time_check import time_checker
 from common.expired_dict import ExpiredDict
@@ -72,10 +71,9 @@ def _check(func):
     return wrapper
 
 @singleton
-class WechatChannel(Channel):
+class WechatChannel(ChatChannel):
     def __init__(self):
-        self.user_id = None
+        super().__init__()
-        self.name = None
         self.receivedMsgs = ExpiredDict(60*60*24) 
 
     def startup(self):
@@ -99,7 +97,7 @@ class WechatChannel(Channel):
         # start message listener
         itchat.run()
 
-    # handle_* 系列函数处理收到的消息后构造Context，然后传入handle函数中处理Context和发送回复
+    # handle_* 系列函数处理收到的消息后构造Context，然后传入_handle函数中处理Context和发送回复
     # Context包含了消息的所有信息，包括以下属性
     #   type 消息类型, 包括TEXT、VOICE、IMAGE_CREATE
     #   content 消息内容，如果是TEXT类型，content就是文本内容，如果是VOICE类型，content就是语音文件名，如果是IMAGE_CREATE类型，content就是图片生成命令
@@ -107,7 +105,7 @@ class WechatChannel(Channel):
     #        session_id: 会话id
     #        isgroup: 是否是群聊
     #        receiver: 需要回复的对象
-    #        msg: itchat的原始消息对象
+    #        msg: ChatMessage消息对象
     #        origin_ctype: 原始消息类型，语音转文字后，私聊时如果匹配前缀失败，会根据初始消息是否是语音来放宽触发规则
     #        desire_rtype: 希望回复类型，默认是文本回复，设置为ReplyType.VOICE是语音回复
 
@@ -117,55 +115,25 @@ class WechatChannel(Channel):
         if conf().get('speech_recognition') != True:
             return
         logger.debug("[WX]receive voice msg: {}".format(cmsg.content))
-        from_user_id = cmsg.from_user_id
+        context = self._compose_context(ContextType.VOICE, cmsg.content, isgroup=False, msg=cmsg)
-        other_user_id = cmsg.other_user_id
+        if context:
-        if from_user_id == other_user_id:
+            thread_pool.submit(self._handle, context).add_done_callback(thread_pool_callback)
-            context = self._compose_context(ContextType.VOICE, cmsg.content, isgroup=False, msg=cmsg, receiver=other_user_id, session_id=other_user_id)
-            if context:
-                thread_pool.submit(self.handle, context).add_done_callback(thread_pool_callback)
 
     @time_checker
     @_check
     def handle_text(self, cmsg : ChatMessage):
         logger.debug("[WX]receive text msg: " + json.dumps(cmsg._rawmsg, ensure_ascii=False))
-        content = cmsg.content
+        context = self._compose_context(ContextType.TEXT, cmsg.content, isgroup=False, msg=cmsg)
-        other_user_id = cmsg.other_user_id
-        if "」\n- - - - - - - - - - - - - - -" in cmsg.content:
-            logger.debug("[WX]reference query skipped")
-            return
-        
-        context = self._compose_context(ContextType.TEXT, content, isgroup=False, msg=cmsg, receiver=other_user_id, session_id=other_user_id)
         if context:
-            thread_pool.submit(self.handle, context).add_done_callback(thread_pool_callback)
+            thread_pool.submit(self._handle, context).add_done_callback(thread_pool_callback)
 
     @time_checker
     @_check
     def handle_group(self, cmsg : ChatMessage):
         logger.debug("[WX]receive group msg: " + json.dumps(cmsg._rawmsg, ensure_ascii=False))
-        group_name = cmsg.other_user_nickname
+        context = self._compose_context(ContextType.TEXT, cmsg.content, isgroup=True, msg=cmsg)
-        group_id = cmsg.other_user_id
+        if context:
-        if not group_name:
+            thread_pool.submit(self._handle, context).add_done_callback(thread_pool_callback)
-            return ""
-        content = cmsg.content
-        if "」\n- - - - - - - - - - - - - - -" in content:
-            logger.debug("[WX]reference query skipped")
-            return ""
-        pattern = f'@{self.name}(\u2005|\u0020)'
-        content = re.sub(pattern, r'', content)
-
-        config = conf()
-        group_name_white_list = config.get('group_name_white_list', [])
-        group_name_keyword_white_list = config.get('group_name_keyword_white_list', [])
-
-        if any([group_name in group_name_white_list, 'ALL_GROUP' in group_name_white_list, check_contain(group_name, group_name_keyword_white_list)]):
-            group_chat_in_one_session = conf().get('group_chat_in_one_session', [])
-            session_id = cmsg.actual_user_id
-            if any([group_name in group_chat_in_one_session, 'ALL_GROUP' in group_chat_in_one_session]):
-                session_id = group_id
-
-            context = self._compose_context(ContextType.TEXT, content, isgroup=True, msg=cmsg, receiver=group_id, session_id=session_id)
-            if context:
-                thread_pool.submit(self.handle, context).add_done_callback(thread_pool_callback)
     
     @time_checker
     @_check
@@ -173,203 +141,33 @@ class WechatChannel(Channel):
         if conf().get('group_speech_recognition', False) != True:
             return
         logger.debug("[WX]receive voice for group msg: {}".format(cmsg.content))
-        group_name = cmsg.other_user_nickname
+        context = self._compose_context(ContextType.VOICE, cmsg.content, isgroup=True, msg=cmsg)
-        group_id = cmsg.other_user_id
+        if context:
-        # 验证群名
+            thread_pool.submit(self._handle, context).add_done_callback(thread_pool_callback)
-        if not group_name:
-            return ""
-        
-        config = conf()
-        group_name_white_list = config.get('group_name_white_list', [])
-        group_name_keyword_white_list = config.get('group_name_keyword_white_list', [])
-        if any([group_name in group_name_white_list, 'ALL_GROUP' in group_name_white_list, check_contain(group_name, group_name_keyword_white_list)]):
-            group_chat_in_one_session = conf().get('group_chat_in_one_session', [])
-            session_id = cmsg.actual_user_id
-            if any([group_name in group_chat_in_one_session, 'ALL_GROUP' in group_chat_in_one_session]):
-                session_id = group_id
-            context = self._compose_context(ContextType.VOICE, cmsg.content, isgroup=True, msg=cmsg, receiver=group_id, session_id=session_id)
-            if context:
-                thread_pool.submit(self.handle, context).add_done_callback(thread_pool_callback)
-
-    # 根据消息构造context，消息内容相关的触发项写在这里
-    def _compose_context(self, ctype: ContextType, content, **kwargs):
-        context = Context(ctype, content)
-        context.kwargs = kwargs
-        if 'origin_ctype' not in context:
-            context['origin_ctype'] = ctype
-
-        if ctype == ContextType.TEXT:
-            if context["isgroup"]: # 群聊
-                # 校验关键字
-                match_prefix = check_prefix(content, conf().get('group_chat_prefix'))
-                match_contain = check_contain(content, conf().get('group_chat_keyword'))
-                if match_prefix is not None or match_contain is not None:
-                    # 判断如果匹配到自定义前缀，则返回过滤掉前缀+空格后的内容，用于实现类似自定义+前缀触发生成AI图片的功能
-                    if match_prefix:
-                        content = content.replace(match_prefix, '', 1).strip()
-                elif context['msg'].is_at and not conf().get("group_at_off", False):
-                    logger.info("[WX]receive group at, continue")
-                elif context["origin_ctype"] == ContextType.VOICE:
-                    logger.info("[WX]receive group voice, checkprefix didn't match")
-                    return None
-                else:
-                    return None
-            else: # 单聊
-                match_prefix = check_prefix(content, conf().get('single_chat_prefix'))  
-                if match_prefix is not None: # 判断如果匹配到自定义前缀，则返回过滤掉前缀+空格后的内容
-                    content = content.replace(match_prefix, '', 1).strip()
-                elif context["origin_ctype"] == ContextType.VOICE: # 如果源消息是私聊的语音消息，允许不匹配前缀，放宽条件
-                    pass
-                else:
-                    return None                                       
-            img_match_prefix = check_prefix(content, conf().get('image_create_prefix'))
-            if img_match_prefix:
-                content = content.replace(img_match_prefix, '', 1).strip()
-                context.type = ContextType.IMAGE_CREATE
-            else:
-                context.type = ContextType.TEXT
-            context.content = content
-        elif context.type == ContextType.VOICE:
-            if 'desire_rtype' not in context and conf().get('voice_reply_voice'):
-                context['desire_rtype'] = ReplyType.VOICE
-        return context
     
     # 统一的发送函数，每个Channel自行实现，根据reply的type字段发送不同类型的消息
-    def send(self, reply: Reply, receiver, retry_cnt = 0):
+    def send(self, reply: Reply, context: Context):
-        try:
+        receiver = context["receiver"]
-            if reply.type == ReplyType.TEXT:
+        if reply.type == ReplyType.TEXT:
-                itchat.send(reply.content, toUserName=receiver)
+            itchat.send(reply.content, toUserName=receiver)
-                logger.info('[WX] sendMsg={}, receiver={}'.format(reply, receiver))
+            logger.info('[WX] sendMsg={}, receiver={}'.format(reply, receiver))
-            elif reply.type == ReplyType.ERROR or reply.type == ReplyType.INFO:
+        elif reply.type == ReplyType.ERROR or reply.type == ReplyType.INFO:
-                itchat.send(reply.content, toUserName=receiver)
+            itchat.send(reply.content, toUserName=receiver)
-                logger.info('[WX] sendMsg={}, receiver={}'.format(reply, receiver))
+            logger.info('[WX] sendMsg={}, receiver={}'.format(reply, receiver))
-            elif reply.type == ReplyType.VOICE:
+        elif reply.type == ReplyType.VOICE:
-                itchat.send_file(reply.content, toUserName=receiver)
+            itchat.send_file(reply.content, toUserName=receiver)
-                logger.info('[WX] sendFile={}, receiver={}'.format(reply.content, receiver))
+            logger.info('[WX] sendFile={}, receiver={}'.format(reply.content, receiver))
-            elif reply.type == ReplyType.IMAGE_URL: # 从网络下载图片
+        elif reply.type == ReplyType.IMAGE_URL: # 从网络下载图片
-                img_url = reply.content
+            img_url = reply.content
-                pic_res = requests.get(img_url, stream=True)
+            pic_res = requests.get(img_url, stream=True)
-                image_storage = io.BytesIO()
+            image_storage = io.BytesIO()
-                for block in pic_res.iter_content(1024):
+            for block in pic_res.iter_content(1024):
-                    image_storage.write(block)
+                image_storage.write(block)
-                image_storage.seek(0)
+            image_storage.seek(0)
-                itchat.send_image(image_storage, toUserName=receiver)
+            itchat.send_image(image_storage, toUserName=receiver)
-                logger.info('[WX] sendImage url={}, receiver={}'.format(img_url,receiver))
+            logger.info('[WX] sendImage url={}, receiver={}'.format(img_url,receiver))
-            elif reply.type == ReplyType.IMAGE: # 从文件读取图片
+        elif reply.type == ReplyType.IMAGE: # 从文件读取图片
-                image_storage = reply.content
+            image_storage = reply.content
-                image_storage.seek(0)
+            image_storage.seek(0)
-                itchat.send_image(image_storage, toUserName=receiver)
+            itchat.send_image(image_storage, toUserName=receiver)
-                logger.info('[WX] sendImage, receiver={}'.format(receiver))
+            logger.info('[WX] sendImage, receiver={}'.format(receiver))
-        except Exception as e:
-            logger.error('[WX] sendMsg error: {}, receiver={}'.format(e, receiver))
-            if retry_cnt < 2:
-                time.sleep(3+3*retry_cnt)
-                self.send(reply, receiver, retry_cnt + 1)
-
-    # 处理消息 TODO: 如果wechaty解耦，此处逻辑可以放置到父类
-    def handle(self, context: Context):
-        if context is None or not context.content:
-            return
-        logger.debug('[WX] ready to handle context: {}'.format(context))
-        # reply的构建步骤
-        reply = self._generate_reply(context)
-
-        logger.debug('[WX] ready to decorate reply: {}'.format(reply))
-        # reply的包装步骤
-        reply = self._decorate_reply(context, reply)
-
-        # reply的发送步骤
-        self._send_reply(context, reply)
-
-    def _generate_reply(self, context: Context, reply: Reply = Reply()) -> Reply:
-        e_context = PluginManager().emit_event(EventContext(Event.ON_HANDLE_CONTEXT, {
-            'channel': self, 'context': context, 'reply': reply}))
-        reply = e_context['reply']
-        if not e_context.is_pass():
-            logger.debug('[WX] ready to handle context: type={}, content={}'.format(context.type, context.content))
-            if context.type == ContextType.TEXT or context.type == ContextType.IMAGE_CREATE:  # 文字和图片消息
-                reply = super().build_reply_content(context.content, context)
-            elif context.type == ContextType.VOICE:  # 语音消息
-                msg = context['msg']
-                msg.prepare()
-                mp3_path = context.content
-                # mp3转wav
-                wav_path = os.path.splitext(mp3_path)[0] + '.wav'
-                try:
-                    mp3_to_wav(mp3_path=mp3_path, wav_path=wav_path)
-                except Exception as e:  # 转换失败，直接使用mp3，对于某些api，mp3也可以识别
-                    logger.warning("[WX]mp3 to wav error, use mp3 path. " + str(e))
-                    wav_path = mp3_path
-                # 语音识别
-                reply = super().build_voice_to_text(wav_path)
-                # 删除临时文件
-                try:
-                    os.remove(wav_path)
-                    os.remove(mp3_path)
-                except Exception as e:
-                    logger.warning("[WX]delete temp file error: " + str(e))
-
-                if reply.type == ReplyType.TEXT:
-                    new_context = self._compose_context(
-                        ContextType.TEXT, reply.content, **context.kwargs)
-                    if new_context:
-                        reply = self._generate_reply(new_context)
-                    else:
-                        return
-            else:
-                logger.error('[WX] unknown context type: {}'.format(context.type))
-                return
-        return reply
-
-    def _decorate_reply(self, context: Context, reply: Reply) -> Reply:
-        if reply and reply.type:
-            e_context = PluginManager().emit_event(EventContext(Event.ON_DECORATE_REPLY, {
-                'channel': self, 'context': context, 'reply': reply}))
-            reply = e_context['reply']
-            desire_rtype = context.get('desire_rtype')
-            if not e_context.is_pass() and reply and reply.type:
-                if reply.type == ReplyType.TEXT:
-                    reply_text = reply.content
-                    if desire_rtype == ReplyType.VOICE:
-                        reply = super().build_text_to_voice(reply.content)
-                        return self._decorate_reply(context, reply)
-                    if context['isgroup']:
-                        reply_text = '@' +  context['msg'].actual_user_nickname + ' ' + reply_text.strip()
-                        reply_text = conf().get("group_chat_reply_prefix", "")+reply_text
-                    else:
-                        reply_text = conf().get("single_chat_reply_prefix", "")+reply_text
-                    reply.content = reply_text
-                elif reply.type == ReplyType.ERROR or reply.type == ReplyType.INFO:
-                    reply.content = str(reply.type)+":\n" + reply.content
-                elif reply.type == ReplyType.IMAGE_URL or reply.type == ReplyType.VOICE or reply.type == ReplyType.IMAGE:
-                    pass
-                else:
-                    logger.error('[WX] unknown reply type: {}'.format(reply.type))
-                    return
-            if desire_rtype and desire_rtype != reply.type and reply.type not in [ReplyType.ERROR, ReplyType.INFO]:
-                logger.warning('[WX] desire_rtype: {}, but reply type: {}'.format(context.get('desire_rtype'), reply.type))
-            return reply
-
-    def _send_reply(self, context: Context, reply: Reply):
-        if reply and reply.type:
-            e_context = PluginManager().emit_event(EventContext(Event.ON_SEND_REPLY, {
-                'channel': self, 'context': context, 'reply': reply}))
-            reply = e_context['reply']
-            if not e_context.is_pass() and reply and reply.type:
-                logger.debug('[WX] ready to send reply: {} to {}'.format(reply, context['receiver']))
-                self.send(reply, context['receiver'])
-
-
-def check_prefix(content, prefix_list):
-    for prefix in prefix_list:
-        if content.startswith(prefix):
-            return prefix
-    return None
-
-def check_contain(content, keyword_list):
-    if not keyword_list:
-        return None
-    for ky in keyword_list:
-        if content.find(ky) != -1:
-            return True
-    return None