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https://github.com/zhayujie/chatgpt-on-wechat.git
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443 lines
20 KiB
Python
443 lines
20 KiB
Python
# encoding:utf-8
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import time
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import json
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from models.openai.openai_compat import (
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error as openai_error,
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RateLimitError,
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Timeout,
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APIError,
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APIConnectionError,
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wrap_http_error,
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)
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from models.openai.openai_http_client import OpenAIHTTPClient, OpenAIHTTPError
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import requests
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from common import const
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from models.bot import Bot
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from models.openai_compatible_bot import OpenAICompatibleBot
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from models.chatgpt.chat_gpt_session import ChatGPTSession
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from models.openai.open_ai_image import OpenAIImage
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from models.session_manager import SessionManager
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from bridge.context import ContextType
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from bridge.reply import Reply, ReplyType
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from common.log import logger
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from common.token_bucket import TokenBucket
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from config import conf, load_config
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from models.baidu.baidu_wenxin_session import BaiduWenxinSession
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# OpenAI对话模型API (可用)
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class ChatGPTBot(Bot, OpenAIImage, OpenAICompatibleBot):
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def __init__(self):
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super().__init__()
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# Resolve api key / base from config (no global SDK state anymore).
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if conf().get("bot_type") == "custom":
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self._api_key = conf().get("custom_api_key", "")
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self._api_base = conf().get("custom_api_base") or None
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else:
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self._api_key = conf().get("open_ai_api_key")
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self._api_base = conf().get("open_ai_api_base") or None
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self._proxy = conf().get("proxy") or None
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self._http_client = OpenAIHTTPClient(
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api_key=self._api_key,
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api_base=self._api_base,
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proxy=self._proxy,
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)
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if conf().get("rate_limit_chatgpt"):
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self.tb4chatgpt = TokenBucket(conf().get("rate_limit_chatgpt", 20))
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conf_model = conf().get("model") or "gpt-3.5-turbo"
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self.sessions = SessionManager(ChatGPTSession, model=conf().get("model") or "gpt-3.5-turbo")
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# o1相关模型不支持system prompt，暂时用文心模型的session
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self.args = {
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"model": conf_model, # 对话模型的名称
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"temperature": conf().get("temperature", 0.9), # 值在[0,1]之间，越大表示回复越具有不确定性
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# "max_tokens":4096, # 回复最大的字符数
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"top_p": conf().get("top_p", 1),
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"frequency_penalty": conf().get("frequency_penalty", 0.0), # [-2,2]之间，该值越大则更倾向于产生不同的内容
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"presence_penalty": conf().get("presence_penalty", 0.0), # [-2,2]之间，该值越大则更倾向于产生不同的内容
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"request_timeout": conf().get("request_timeout", None), # 请求超时时间，openai接口默认设置为600，对于难问题一般需要较长时间
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"timeout": conf().get("request_timeout", None), # 重试超时时间，在这个时间内，将会自动重试
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}
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# 部分模型暂不支持一些参数，特殊处理
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if conf_model in [const.O1, const.O1_MINI, const.GPT_5, const.GPT_5_MINI, const.GPT_5_NANO]:
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remove_keys = ["temperature", "top_p", "frequency_penalty", "presence_penalty"]
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for key in remove_keys:
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self.args.pop(key, None) # 如果键不存在，使用 None 来避免抛出错、
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if conf_model in [const.O1, const.O1_MINI]: # o1系列模型不支持系统提示词，使用文心模型的session
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self.sessions = SessionManager(BaiduWenxinSession, model=conf().get("model") or const.O1_MINI)
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def get_api_config(self):
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"""Get API configuration for OpenAI-compatible base class"""
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is_custom = conf().get("bot_type") == "custom"
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return {
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'api_key': conf().get("custom_api_key") if is_custom else conf().get("open_ai_api_key"),
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'api_base': conf().get("custom_api_base") if is_custom else conf().get("open_ai_api_base"),
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'model': conf().get("model", "gpt-3.5-turbo"),
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'default_temperature': conf().get("temperature", 0.9),
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'default_top_p': conf().get("top_p", 1.0),
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'default_frequency_penalty': conf().get("frequency_penalty", 0.0),
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'default_presence_penalty': conf().get("presence_penalty", 0.0),
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}
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def _get_http_client(self) -> OpenAIHTTPClient:
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"""Override the default HTTP client to reuse our pre-configured one."""
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return self._http_client
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def reply(self, query, context=None):
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# acquire reply content
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if context.type == ContextType.TEXT:
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logger.info("[CHATGPT] query={}".format(query))
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session_id = context["session_id"]
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reply = None
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clear_memory_commands = conf().get("clear_memory_commands", ["#清除记忆"])
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if query in clear_memory_commands:
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self.sessions.clear_session(session_id)
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reply = Reply(ReplyType.INFO, "记忆已清除")
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elif query == "#清除所有":
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self.sessions.clear_all_session()
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reply = Reply(ReplyType.INFO, "所有人记忆已清除")
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elif query == "#更新配置":
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load_config()
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reply = Reply(ReplyType.INFO, "配置已更新")
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if reply:
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return reply
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session = self.sessions.session_query(query, session_id)
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logger.debug("[CHATGPT] session query={}".format(session.messages))
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api_key = context.get("openai_api_key")
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model = context.get("gpt_model")
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new_args = None
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if model:
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new_args = self.args.copy()
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new_args["model"] = model
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# if context.get('stream'):
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# # reply in stream
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# return self.reply_text_stream(query, new_query, session_id)
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reply_content = self.reply_text(session, api_key, args=new_args)
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logger.debug(
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"[CHATGPT] new_query={}, session_id={}, reply_cont={}, completion_tokens={}".format(
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session.messages,
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session_id,
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reply_content["content"],
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reply_content["completion_tokens"],
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)
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)
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if reply_content["completion_tokens"] == 0 and len(reply_content["content"]) > 0:
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reply = Reply(ReplyType.ERROR, reply_content["content"])
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elif reply_content["completion_tokens"] > 0:
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self.sessions.session_reply(reply_content["content"], session_id, reply_content["total_tokens"])
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reply = Reply(ReplyType.TEXT, reply_content["content"])
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else:
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reply = Reply(ReplyType.ERROR, reply_content["content"])
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logger.debug("[CHATGPT] reply {} used 0 tokens.".format(reply_content))
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return reply
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elif context.type == ContextType.IMAGE_CREATE:
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ok, retstring = self.create_img(query, 0)
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reply = None
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if ok:
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reply = Reply(ReplyType.IMAGE_URL, retstring)
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else:
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reply = Reply(ReplyType.ERROR, retstring)
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return reply
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elif context.type == ContextType.IMAGE:
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logger.info("[CHATGPT] Image message received")
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reply = self.reply_image(context)
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return reply
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else:
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reply = Reply(ReplyType.ERROR, "Bot不支持处理{}类型的消息".format(context.type))
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return reply
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def reply_image(self, context):
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"""
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Process image message using OpenAI Vision API
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"""
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import base64
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import os
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try:
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image_path = context.content
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logger.info(f"[CHATGPT] Processing image: {image_path}")
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# Check if file exists
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if not os.path.exists(image_path):
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logger.error(f"[CHATGPT] Image file not found: {image_path}")
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return Reply(ReplyType.ERROR, "图片文件不存在")
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# Read and encode image
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with open(image_path, "rb") as f:
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image_data = f.read()
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image_base64 = base64.b64encode(image_data).decode("utf-8")
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# Detect image format
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extension = os.path.splitext(image_path)[1].lower()
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mime_type_map = {
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".jpg": "image/jpeg",
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".jpeg": "image/jpeg",
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".png": "image/png",
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".gif": "image/gif",
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".webp": "image/webp"
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}
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mime_type = mime_type_map.get(extension, "image/jpeg")
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# Get model and API config
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is_custom = conf().get("bot_type") == "custom"
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model = context.get("gpt_model") or conf().get("model", "gpt-4o")
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api_key = context.get("openai_api_key") or (conf().get("custom_api_key") if is_custom else conf().get("open_ai_api_key"))
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api_base = conf().get("custom_api_base") if is_custom else conf().get("open_ai_api_base")
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# Build vision request
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messages = [
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{
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"role": "user",
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"content": [
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{"type": "text", "text": "请描述这张图片的内容"},
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{
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"type": "image_url",
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"image_url": {
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"url": f"data:{mime_type};base64,{image_base64}"
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}
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}
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]
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}
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]
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logger.info(f"[CHATGPT] Calling vision API with model: {model}")
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# Call OpenAI-compatible API via HTTP
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response = self._http_client.chat_completions(
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api_key=api_key or None,
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api_base=api_base or None,
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model=model,
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messages=messages,
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max_tokens=1000,
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)
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content = response["choices"][0]["message"]["content"]
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logger.info(f"[CHATGPT] Vision API response: {content[:100]}...")
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# Clean up temp file
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try:
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os.remove(image_path)
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logger.debug(f"[CHATGPT] Removed temp image file: {image_path}")
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except Exception:
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pass
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return Reply(ReplyType.TEXT, content)
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except Exception as e:
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logger.error(f"[CHATGPT] Image processing error: {e}")
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import traceback
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logger.error(traceback.format_exc())
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return Reply(ReplyType.ERROR, f"图片识别失败: {str(e)}")
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def reply_text(self, session: ChatGPTSession, api_key=None, args=None, retry_count=0) -> dict:
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"""
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call openai's ChatCompletion to get the answer
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:param session: a conversation session
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:param session_id: session id
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:param retry_count: retry count
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:return: {}
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"""
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try:
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if conf().get("rate_limit_chatgpt") and not self.tb4chatgpt.get_token():
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raise RateLimitError("RateLimitError: rate limit exceeded")
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# If api_key is None, the per-instance default key will be used.
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if args is None:
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args = self.args
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# Translate old SDK kwargs to HTTP client params:
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# - request_timeout / timeout -> per-call timeout
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call_args = dict(args)
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timeout = call_args.pop("request_timeout", None) or call_args.pop("timeout", None)
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response = self._http_client.chat_completions(
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api_key=api_key or None,
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timeout=timeout,
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messages=session.messages,
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**call_args,
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)
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logger.info("[ChatGPT] reply={}, total_tokens={}".format(
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response["choices"][0]["message"]["content"],
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response["usage"]["total_tokens"]
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))
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return {
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"total_tokens": response["usage"]["total_tokens"],
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"completion_tokens": response["usage"]["completion_tokens"],
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"content": response["choices"][0]["message"]["content"],
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}
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except OpenAIHTTPError as http_err:
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return self._handle_reply_error(
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wrap_http_error(http_err), session, api_key, args, retry_count
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)
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except Exception as e:
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return self._handle_reply_error(e, session, api_key, args, retry_count)
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def _handle_reply_error(self, e, session, api_key, args, retry_count):
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"""Map exception to user-facing reply with retry/backoff (mirrors SDK behavior)."""
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need_retry = retry_count < 2
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result = {"completion_tokens": 0, "content": "我现在有点累了，等会再来吧"}
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if isinstance(e, RateLimitError):
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logger.warn("[CHATGPT] RateLimitError: {}".format(e))
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result["content"] = "提问太快啦，请休息一下再问我吧"
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if need_retry:
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time.sleep(20)
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elif isinstance(e, Timeout):
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logger.warn("[CHATGPT] Timeout: {}".format(e))
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result["content"] = "我没有收到你的消息"
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if need_retry:
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time.sleep(5)
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elif isinstance(e, APIConnectionError):
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logger.warn("[CHATGPT] APIConnectionError: {}".format(e))
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result["content"] = "我连接不到你的网络"
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if need_retry:
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time.sleep(5)
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elif isinstance(e, APIError):
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logger.warn("[CHATGPT] Bad Gateway: {}".format(e))
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result["content"] = "请再问我一次"
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if need_retry:
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time.sleep(10)
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else:
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logger.exception("[CHATGPT] Exception: {}".format(e))
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need_retry = False
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self.sessions.clear_session(session.session_id)
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if need_retry:
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logger.warn("[CHATGPT] 第{}次重试".format(retry_count + 1))
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return self.reply_text(session, api_key, args, retry_count + 1)
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return result
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class AzureChatGPTBot(ChatGPTBot):
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"""Azure OpenAI variant.
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Azure's HTTP shape differs from public OpenAI:
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URL : {endpoint}/openai/deployments/{deployment}/chat/completions
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Auth : api-key header (not Bearer)
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Query : ?api-version={version}
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We model that with a dedicated HTTP client and override _get_http_client
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so the OpenAICompatibleBot streaming/tool path uses it transparently.
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"""
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def __init__(self):
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super().__init__()
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self._azure_api_version = conf().get("azure_api_version", "2023-06-01-preview")
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self._azure_deployment_id = conf().get("azure_deployment_id")
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# Drop legacy SDK kwarg; Azure deployment is encoded in the URL now.
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self.args.pop("deployment_id", None)
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endpoint = (self._api_base or "").rstrip("/")
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deployment = self._azure_deployment_id or ""
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# Build a base that already includes /openai/deployments/{deployment}.
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# /chat/completions will be appended by the client.
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azure_base = (
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f"{endpoint}/openai/deployments/{deployment}" if endpoint and deployment else endpoint
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)
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self._http_client = _AzureChatHTTPClient(
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api_key=self._api_key,
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api_base=azure_base,
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api_version=self._azure_api_version,
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proxy=self._proxy,
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)
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def create_img(self, query, retry_count=0, api_key=None):
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text_to_image_model = conf().get("text_to_image")
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if text_to_image_model == "dall-e-2":
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api_version = "2023-06-01-preview"
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endpoint = conf().get("azure_openai_dalle_api_base","open_ai_api_base")
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# 检查endpoint是否以/结尾
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if not endpoint.endswith("/"):
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endpoint = endpoint + "/"
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url = "{}openai/images/generations:submit?api-version={}".format(endpoint, api_version)
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api_key = conf().get("azure_openai_dalle_api_key","open_ai_api_key")
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headers = {"api-key": api_key, "Content-Type": "application/json"}
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try:
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body = {"prompt": query, "size": conf().get("image_create_size", "256x256"),"n": 1}
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submission = requests.post(url, headers=headers, json=body)
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operation_location = submission.headers['operation-location']
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status = ""
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while (status != "succeeded"):
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if retry_count > 3:
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return False, "图片生成失败"
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response = requests.get(operation_location, headers=headers)
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status = response.json()['status']
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retry_count += 1
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image_url = response.json()['result']['data'][0]['url']
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return True, image_url
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except Exception as e:
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logger.error("create image error: {}".format(e))
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return False, "图片生成失败"
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elif text_to_image_model == "dall-e-3":
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api_version = conf().get("azure_api_version", "2024-02-15-preview")
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endpoint = conf().get("azure_openai_dalle_api_base","open_ai_api_base")
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# 检查endpoint是否以/结尾
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if not endpoint.endswith("/"):
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endpoint = endpoint + "/"
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url = "{}openai/deployments/{}/images/generations?api-version={}".format(endpoint, conf().get("azure_openai_dalle_deployment_id","text_to_image"),api_version)
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api_key = conf().get("azure_openai_dalle_api_key","open_ai_api_key")
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headers = {"api-key": api_key, "Content-Type": "application/json"}
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try:
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body = {"prompt": query, "size": conf().get("image_create_size", "1024x1024"), "quality": conf().get("dalle3_image_quality", "standard")}
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response = requests.post(url, headers=headers, json=body)
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response.raise_for_status() # 检查请求是否成功
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data = response.json()
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# 检查响应中是否包含图像 URL
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if 'data' in data and len(data['data']) > 0 and 'url' in data['data'][0]:
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image_url = data['data'][0]['url']
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return True, image_url
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else:
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error_message = "响应中没有图像 URL"
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logger.error(error_message)
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return False, "图片生成失败"
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except requests.exceptions.RequestException as e:
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# 捕获所有请求相关的异常
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try:
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error_detail = response.json().get('error', {}).get('message', str(e))
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except ValueError:
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error_detail = str(e)
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error_message = f"{error_detail}"
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logger.error(error_message)
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return False, error_message
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except Exception as e:
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# 捕获所有其他异常
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error_message = f"生成图像时发生错误: {e}"
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logger.error(error_message)
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return False, "图片生成失败"
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else:
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return False, "图片生成失败，未配置text_to_image参数"
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class _AzureChatHTTPClient(OpenAIHTTPClient):
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"""Subclass that injects Azure's ``api-version`` query param and ``api-key``
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header on every chat-completion request, and accepts the deployment-scoped
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base URL set by :class:`AzureChatGPTBot`.
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"""
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def __init__(self, api_key, api_base, api_version, proxy=None, timeout=None):
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super().__init__(
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api_key=api_key, api_base=api_base, proxy=proxy, timeout=timeout
|
||
)
|
||
self._api_version = api_version
|
||
|
||
def _build_headers(self, api_key, extra_headers):
|
||
# Azure uses api-key header, not Bearer token.
|
||
key = api_key if api_key is not None else self.api_key
|
||
headers = {"Content-Type": "application/json"}
|
||
if key:
|
||
headers["api-key"] = key
|
||
if self.extra_headers:
|
||
headers.update(self.extra_headers)
|
||
if extra_headers:
|
||
headers.update(extra_headers)
|
||
return headers
|
||
|
||
def chat_completions(self, **kwargs):
|
||
# Always force api-version query param for Azure.
|
||
eq = dict(kwargs.get("extra_query") or {})
|
||
eq.setdefault("api-version", self._api_version)
|
||
kwargs["extra_query"] = eq
|
||
return super().chat_completions(**kwargs)
|