Merge branch 'master' of https://github.com/hanfangyuan4396/chatgpt-on-wechat into hanfangyuan4396-master

bot/tongyi/tongyi_qwen_bot.py → bot/ali/ali_qwen_bot.py

@@ -10,31 +10,48 @@ import broadscope_bailian
 from broadscope_bailian import ChatQaMessage
 
 from bot.bot import Bot
-from bot.baidu.baidu_wenxin_session import BaiduWenxinSession
+from bot.ali.ali_qwen_session import AliQwenSession
 from bot.session_manager import SessionManager
 from bridge.context import ContextType
 from bridge.reply import Reply, ReplyType
 from common.log import logger
+from common import const
 from config import conf, load_config
 
-class TongyiQwenBot(Bot):
+class AliQwenBot(Bot):
     def __init__(self):
         super().__init__()
-        self.access_key_id = conf().get("qwen_access_key_id")
-        self.access_key_secret = conf().get("qwen_access_key_secret")
-        self.agent_key = conf().get("qwen_agent_key")
-        self.app_id = conf().get("qwen_app_id")
-        self.node_id = conf().get("qwen_node_id") or ""
-        self.api_key_client = broadscope_bailian.AccessTokenClient(access_key_id=self.access_key_id, access_key_secret=self.access_key_secret)
         self.api_key_expired_time = self.set_api_key()
-        self.sessions = SessionManager(BaiduWenxinSession, model=conf().get("model") or "qwen")
-        self.temperature = conf().get("temperature", 0.2) # 值在[0,1]之间，越大表示回复越具有不确定性
-        self.top_p = conf().get("top_p", 1)
+        self.sessions = SessionManager(AliQwenSession, model=conf().get("model", const.QWEN))
+
+    def api_key_client(self):
+        return broadscope_bailian.AccessTokenClient(access_key_id=self.access_key_id(), access_key_secret=self.access_key_secret())
+
+    def access_key_id(self):
+        return conf().get("qwen_access_key_id")
+
+    def access_key_secret(self):
+        return conf().get("qwen_access_key_secret")
+
+    def agent_key(self):
+        return conf().get("qwen_agent_key")
+
+    def app_id(self):
+        return conf().get("qwen_app_id")
+
+    def node_id(self):
+        return conf().get("qwen_node_id", "")
+
+    def temperature(self):
+        return conf().get("temperature", 0.2 )
+
+    def top_p(self):
+        return conf().get("top_p", 1)
 
     def reply(self, query, context=None):
         # acquire reply content
         if context.type == ContextType.TEXT:
-            logger.info("[TONGYI] query={}".format(query))
+            logger.info("[QWEN] query={}".format(query))
 
             session_id = context["session_id"]
             reply = None
@@ -51,11 +68,11 @@ class TongyiQwenBot(Bot):
             if reply:
                 return reply
             session = self.sessions.session_query(query, session_id)
-            logger.debug("[TONGYI] session query={}".format(session.messages))
+            logger.debug("[QWEN] session query={}".format(session.messages))
 
             reply_content = self.reply_text(session)
             logger.debug(
-                "[TONGYI] new_query={}, session_id={}, reply_cont={}, completion_tokens={}".format(
+                "[QWEN] new_query={}, session_id={}, reply_cont={}, completion_tokens={}".format(
                     session.messages,
                     session_id,
                     reply_content["content"],
@@ -69,14 +86,14 @@ class TongyiQwenBot(Bot):
                 reply = Reply(ReplyType.TEXT, reply_content["content"])
             else:
                 reply = Reply(ReplyType.ERROR, reply_content["content"])
-                logger.debug("[TONGYI] reply {} used 0 tokens.".format(reply_content))
+                logger.debug("[QWEN] reply {} used 0 tokens.".format(reply_content))
             return reply
 
         else:
             reply = Reply(ReplyType.ERROR, "Bot不支持处理{}类型的消息".format(context.type))
             return reply
 
-    def reply_text(self, session: BaiduWenxinSession, retry_count=0) -> dict:
+    def reply_text(self, session: AliQwenSession, retry_count=0) -> dict:
         """
         call bailian's ChatCompletion to get the answer
         :param session: a conversation session
@@ -86,9 +103,9 @@ class TongyiQwenBot(Bot):
         try:
             prompt, history = self.convert_messages_format(session.messages)
             self.update_api_key_if_expired()
-            # NOTE 阿里百炼的call()函数参数比较奇怪, top_k参数表示top_p, top_p参数表示temperature, 可以参考文档 https://help.aliyun.com/document_detail/2587502.htm
-            response = broadscope_bailian.Completions().call(app_id=self.app_id, prompt=prompt, history=history, top_k=self.top_p, top_p=self.temperature)
-            completion_content = self.get_completion_content(response, self.node_id)
+            # NOTE 阿里百炼的call()函数未提供temperature参数，考虑到temperature和top_p参数作用相同，取两者较小的值作为top_p参数传入，详情见文档 https://help.aliyun.com/document_detail/2587502.htm
+            response = broadscope_bailian.Completions().call(app_id=self.app_id(), prompt=prompt, history=history, top_p=min(self.temperature(), self.top_p()))
+            completion_content = self.get_completion_content(response, self.node_id())
             completion_tokens, total_tokens = self.calc_tokens(session.messages, completion_content)
             return {
                 "total_tokens": total_tokens,
@@ -99,39 +116,40 @@ class TongyiQwenBot(Bot):
             need_retry = retry_count < 2
             result = {"completion_tokens": 0, "content": "我现在有点累了，等会再来吧"}
             if isinstance(e, openai.error.RateLimitError):
-                logger.warn("[TONGYI] RateLimitError: {}".format(e))
+                logger.warn("[QWEN] RateLimitError: {}".format(e))
                 result["content"] = "提问太快啦，请休息一下再问我吧"
                 if need_retry:
                     time.sleep(20)
             elif isinstance(e, openai.error.Timeout):
-                logger.warn("[TONGYI] Timeout: {}".format(e))
+                logger.warn("[QWEN] Timeout: {}".format(e))
                 result["content"] = "我没有收到你的消息"
                 if need_retry:
                     time.sleep(5)
             elif isinstance(e, openai.error.APIError):
-                logger.warn("[TONGYI] Bad Gateway: {}".format(e))
+                logger.warn("[QWEN] Bad Gateway: {}".format(e))
                 result["content"] = "请再问我一次"
                 if need_retry:
                     time.sleep(10)
             elif isinstance(e, openai.error.APIConnectionError):
-                logger.warn("[TONGYI] APIConnectionError: {}".format(e))
+                logger.warn("[QWEN] APIConnectionError: {}".format(e))
                 need_retry = False
                 result["content"] = "我连接不到你的网络"
             else:
-                logger.exception("[TONGYI] Exception: {}".format(e))
+                logger.exception("[QWEN] Exception: {}".format(e))
                 need_retry = False
                 self.sessions.clear_session(session.session_id)
 
             if need_retry:
-                logger.warn("[TONGYI] 第{}次重试".format(retry_count + 1))
+                logger.warn("[QWEN] 第{}次重试".format(retry_count + 1))
                 return self.reply_text(session, retry_count + 1)
             else:
                 return result
 
     def set_api_key(self):
-        api_key, expired_time = self.api_key_client.create_token(agent_key=self.agent_key)
+        api_key, expired_time = self.api_key_client().create_token(agent_key=self.agent_key())
         broadscope_bailian.api_key = api_key
         return expired_time
+
     def update_api_key_if_expired(self):
         if time.time() > self.api_key_expired_time:
             self.api_key_expired_time = self.set_api_key()
@@ -140,6 +158,7 @@ class TongyiQwenBot(Bot):
         history = []
         user_content = ''
         assistant_content = ''
+        system_content = ''
         for message in messages:
             role = message.get('role')
             if role == 'user':
@@ -149,11 +168,21 @@ class TongyiQwenBot(Bot):
                 history.append(ChatQaMessage(user_content, assistant_content))
                 user_content = ''
                 assistant_content = ''
+            elif role =='system':
+                system_content += message.get('content')
         if user_content == '':
             raise Exception('no user message')
+        if system_content != '':
+            # NOTE 模拟系统消息，测试发现人格描述以"你需要扮演ChatGPT"开头能够起作用，而以"你是ChatGPT"开头模型会直接否认
+            system_qa = ChatQaMessage(system_content, '好的，我会严格按照你的设定回答问题')
+            history.insert(0, system_qa)
+        logger.debug("[QWEN] converted qa messages: {}".format([item.to_dict() for item in history]))
+        logger.debug("[QWEN] user content as prompt: {}".format(user_content))
         return user_content, history
 
     def get_completion_content(self, response, node_id):
+        if not response['Success']:
+            return f"[ERROR]\n{response['Code']}:{response['Message']}"
         text = response['Data']['Text']
         if node_id == '':
             return text

bot/ali/ali_qwen_session.py

@@ -0,0 +1,62 @@
+from bot.session_manager import Session
+from common.log import logger
+
+"""
+    e.g.
+    [
+        {"role": "system", "content": "You are a helpful assistant."},
+        {"role": "user", "content": "Who won the world series in 2020?"},
+        {"role": "assistant", "content": "The Los Angeles Dodgers won the World Series in 2020."},
+        {"role": "user", "content": "Where was it played?"}
+    ]
+"""
+
+class AliQwenSession(Session):
+    def __init__(self, session_id, system_prompt=None, model="qianwen"):
+        super().__init__(session_id, system_prompt)
+        self.model = model
+        self.reset()
+
+    def discard_exceeding(self, max_tokens, cur_tokens=None):
+        precise = True
+        try:
+            cur_tokens = self.calc_tokens()
+        except Exception as e:
+            precise = False
+            if cur_tokens is None:
+                raise e
+            logger.debug("Exception when counting tokens precisely for query: {}".format(e))
+        while cur_tokens > max_tokens:
+            if len(self.messages) > 2:
+                self.messages.pop(1)
+            elif len(self.messages) == 2 and self.messages[1]["role"] == "assistant":
+                self.messages.pop(1)
+                if precise:
+                    cur_tokens = self.calc_tokens()
+                else:
+                    cur_tokens = cur_tokens - max_tokens
+                break
+            elif len(self.messages) == 2 and self.messages[1]["role"] == "user":
+                logger.warn("user message exceed max_tokens. total_tokens={}".format(cur_tokens))
+                break
+            else:
+                logger.debug("max_tokens={}, total_tokens={}, len(messages)={}".format(max_tokens, cur_tokens, len(self.messages)))
+                break
+            if precise:
+                cur_tokens = self.calc_tokens()
+            else:
+                cur_tokens = cur_tokens - max_tokens
+        return cur_tokens
+
+    def calc_tokens(self):
+        return num_tokens_from_messages(self.messages, self.model)
+
+def num_tokens_from_messages(messages, model):
+    """Returns the number of tokens used by a list of messages."""
+    # 官方token计算规则："对于中文文本来说，1个token通常对应一个汉字；对于英文文本来说，1个token通常对应3至4个字母或1个单词"
+    # 详情请产看文档：https://help.aliyun.com/document_detail/2586397.html
+    # 目前根据字符串长度粗略估计token数，不影响正常使用
+    tokens = 0
+    for msg in messages:
+        tokens += len(msg["content"])
+    return tokens

bot/bot_factory.py

@@ -45,6 +45,6 @@ def create_bot(bot_type):
         return ClaudeAIBot()
 
     elif bot_type == const.QWEN:
-        from bot.tongyi.tongyi_qwen_bot import TongyiQwenBot
-        return TongyiQwenBot()
+        from bot.ali.ali_qwen_bot import AliQwenBot
+        return AliQwenBot()
     raise RuntimeError

plugins/godcmd/godcmd.py

@@ -313,7 +313,7 @@ class Godcmd(Plugin):
                     except Exception as e:
                         ok, result = False, "你没有设置私有GPT模型"
                 elif cmd == "reset":
-                    if bottype in [const.OPEN_AI, const.CHATGPT, const.CHATGPTONAZURE, const.LINKAI, const.BAIDU, const.XUNFEI]:
+                    if bottype in [const.OPEN_AI, const.CHATGPT, const.CHATGPTONAZURE, const.LINKAI, const.BAIDU, const.XUNFEI, const.QWEN]:
                         bot.sessions.clear_session(session_id)
                         if Bridge().chat_bots.get(bottype):
                             Bridge().chat_bots.get(bottype).sessions.clear_session(session_id)
@@ -339,7 +339,7 @@ class Godcmd(Plugin):
                             ok, result = True, "配置已重载"
                         elif cmd == "resetall":
                             if bottype in [const.OPEN_AI, const.CHATGPT, const.CHATGPTONAZURE, const.LINKAI,
-                                           const.BAIDU, const.XUNFEI]:
+                                           const.BAIDU, const.XUNFEI, const.QWEN]:
                                 channel.cancel_all_session()
                                 bot.sessions.clear_all_session()
                                 ok, result = True, "重置所有会话成功"