mirror of
https://github.com/zhayujie/chatgpt-on-wechat.git
synced 2026-02-19 17:10:03 +08:00
409 lines
17 KiB
Python
409 lines
17 KiB
Python
from enum import Enum
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from config import conf
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from common.log import logger
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import requests
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import threading
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import time
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from bridge.reply import Reply, ReplyType
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import aiohttp
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import asyncio
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from bridge.context import ContextType
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from plugins import EventContext, EventAction
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INVALID_REQUEST = 410
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class TaskType(Enum):
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GENERATE = "generate"
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UPSCALE = "upscale"
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VARIATION = "variation"
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RESET = "reset"
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class Status(Enum):
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PENDING = "pending"
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FINISHED = "finished"
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EXPIRED = "expired"
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ABORTED = "aborted"
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def __str__(self):
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return self.name
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class TaskMode(Enum):
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FAST = "fast"
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RELAX = "relax"
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class MJTask:
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def __init__(self, id, user_id: str, task_type: TaskType, raw_prompt=None, expires: int = 60 * 30,
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status=Status.PENDING):
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self.id = id
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self.user_id = user_id
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self.task_type = task_type
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self.raw_prompt = raw_prompt
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self.send_func = None # send_func(img_url)
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self.expiry_time = time.time() + expires
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self.status = status
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self.img_url = None # url
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self.img_id = None
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def __str__(self):
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return f"id={self.id}, user_id={self.user_id}, task_type={self.task_type}, status={self.status}, img_id={self.img_id}"
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# midjourney bot
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class MJBot:
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def __init__(self, config):
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self.base_url = "https://api.link-ai.chat/v1/img/midjourney"
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self.headers = {"Authorization": "Bearer " + conf().get("linkai_api_key")}
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self.config = config
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self.tasks = {}
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self.temp_dict = {}
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self.tasks_lock = threading.Lock()
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self.event_loop = asyncio.new_event_loop()
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def judge_mj_task_type(self, e_context: EventContext):
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"""
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判断MJ任务的类型
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:param e_context: 上下文
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:return: 任务类型枚举
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"""
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if not self.config:
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return None
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trigger_prefix = conf().get("plugin_trigger_prefix", "$")
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context = e_context['context']
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if context.type == ContextType.TEXT:
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cmd_list = context.content.split(maxsplit=1)
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if cmd_list[0].lower() == f"{trigger_prefix}mj":
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return TaskType.GENERATE
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elif cmd_list[0].lower() == f"{trigger_prefix}mju":
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return TaskType.UPSCALE
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elif context.type == ContextType.IMAGE_CREATE and self.config.get("use_image_create_prefix"):
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return TaskType.GENERATE
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def process_mj_task(self, mj_type: TaskType, e_context: EventContext):
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"""
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处理mj任务
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:param mj_type: mj任务类型
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:param e_context: 对话上下文
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"""
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context = e_context['context']
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session_id = context["session_id"]
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cmd = context.content.split(maxsplit=1)
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if len(cmd) == 1 and context.type == ContextType.TEXT:
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# midjourney 帮助指令
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self._set_reply_text(self.get_help_text(verbose=True), e_context, level=ReplyType.INFO)
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return
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if len(cmd) == 2 and (cmd[1] == "open" or cmd[1] == "close"):
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# midjourney 开关指令
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is_open = True
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tips_text = "开启"
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if cmd[1] == "close":
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tips_text = "关闭"
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is_open = False
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self.config["enabled"] = is_open
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self._set_reply_text(f"Midjourney绘画已{tips_text}", e_context, level=ReplyType.INFO)
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return
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if not self.config.get("enabled"):
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logger.warn("Midjourney绘画未开启，请查看 plugins/linkai/config.json 中的配置")
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self._set_reply_text(f"Midjourney绘画未开启", e_context, level=ReplyType.INFO)
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return
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if not self._check_rate_limit(session_id, e_context):
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logger.warn("[MJ] midjourney task exceed rate limit")
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return
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if mj_type == TaskType.GENERATE:
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if context.type == ContextType.IMAGE_CREATE:
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raw_prompt = context.content
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else:
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# 图片生成
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raw_prompt = cmd[1]
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reply = self.generate(raw_prompt, session_id, e_context)
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e_context['reply'] = reply
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e_context.action = EventAction.BREAK_PASS
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return
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elif mj_type == TaskType.UPSCALE:
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# 图片放大
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clist = cmd[1].split()
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if len(clist) < 2:
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self._set_reply_text(f"{cmd[0]} 命令缺少参数", e_context)
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return
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img_id = clist[0]
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index = int(clist[1])
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if index < 1 or index > 4:
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self._set_reply_text(f"图片序号 {index} 错误，应在 1 至 4 之间", e_context)
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return
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key = f"{TaskType.UPSCALE.name}_{img_id}_{index}"
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if self.temp_dict.get(key):
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self._set_reply_text(f"第 {index} 张图片已经放大过了", e_context)
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return
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# 图片放大操作
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reply = self.upscale(session_id, img_id, index, e_context)
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e_context['reply'] = reply
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e_context.action = EventAction.BREAK_PASS
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return
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else:
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self._set_reply_text(f"暂不支持该命令", e_context)
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def generate(self, prompt: str, user_id: str, e_context: EventContext) -> Reply:
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"""
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图片生成
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:param prompt: 提示词
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:param user_id: 用户id
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:param e_context: 对话上下文
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:return: 任务ID
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"""
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logger.info(f"[MJ] image generate, prompt={prompt}")
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mode = self._fetch_mode(prompt)
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body = {"prompt": prompt, "mode": mode, "auto_translate": self.config.get("auto_translate")}
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if not self.config.get("img_proxy"):
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body["img_proxy"] = False
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res = requests.post(url=self.base_url + "/generate", json=body, headers=self.headers, timeout=(5, 40))
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if res.status_code == 200:
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res = res.json()
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logger.debug(f"[MJ] image generate, res={res}")
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if res.get("code") == 200:
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task_id = res.get("data").get("task_id")
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real_prompt = res.get("data").get("real_prompt")
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if mode == TaskMode.RELAX.value:
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time_str = "1~10分钟"
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else:
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time_str = "1分钟"
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content = f"🚀您的作品将在{time_str}左右完成，请耐心等待\n- - - - - - - - -\n"
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if real_prompt:
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content += f"初始prompt: {prompt}\n转换后prompt: {real_prompt}"
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else:
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content += f"prompt: {prompt}"
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reply = Reply(ReplyType.INFO, content)
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task = MJTask(id=task_id, status=Status.PENDING, raw_prompt=prompt, user_id=user_id,
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task_type=TaskType.GENERATE)
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# put to memory dict
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self.tasks[task.id] = task
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# asyncio.run_coroutine_threadsafe(self.check_task(task, e_context), self.event_loop)
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self._do_check_task(task, e_context)
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return reply
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else:
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res_json = res.json()
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logger.error(f"[MJ] generate error, msg={res_json.get('message')}, status_code={res.status_code}")
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if res.status_code == INVALID_REQUEST:
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reply = Reply(ReplyType.ERROR, "图片生成失败，请检查提示词参数或内容")
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else:
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reply = Reply(ReplyType.ERROR, "图片生成失败，请稍后再试")
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return reply
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def upscale(self, user_id: str, img_id: str, index: int, e_context: EventContext) -> Reply:
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logger.info(f"[MJ] image upscale, img_id={img_id}, index={index}")
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body = {"type": TaskType.UPSCALE.name, "img_id": img_id, "index": index}
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if not self.config.get("img_proxy"):
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body["img_proxy"] = False
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res = requests.post(url=self.base_url + "/operate", json=body, headers=self.headers, timeout=(5, 40))
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logger.debug(res)
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if res.status_code == 200:
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res = res.json()
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if res.get("code") == 200:
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task_id = res.get("data").get("task_id")
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logger.info(f"[MJ] image upscale processing, task_id={task_id}")
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content = f"🔎图片正在放大中，请耐心等待"
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reply = Reply(ReplyType.INFO, content)
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task = MJTask(id=task_id, status=Status.PENDING, user_id=user_id, task_type=TaskType.UPSCALE)
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# put to memory dict
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self.tasks[task.id] = task
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key = f"{TaskType.UPSCALE.name}_{img_id}_{index}"
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self.temp_dict[key] = True
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# asyncio.run_coroutine_threadsafe(self.check_task(task, e_context), self.event_loop)
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self._do_check_task(task, e_context)
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return reply
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else:
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error_msg = ""
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if res.status_code == 461:
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error_msg = "请输入正确的图片ID"
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res_json = res.json()
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logger.error(f"[MJ] upscale error, msg={res_json.get('message')}, status_code={res.status_code}")
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reply = Reply(ReplyType.ERROR, error_msg or "图片生成失败，请稍后再试")
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return reply
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def check_task_sync(self, task: MJTask, e_context: EventContext):
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logger.debug(f"[MJ] start check task status, {task}")
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max_retry_times = 90
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while max_retry_times > 0:
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time.sleep(10)
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url = f"{self.base_url}/tasks/{task.id}"
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try:
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res = requests.get(url, headers=self.headers, timeout=8)
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if res.status_code == 200:
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res_json = res.json()
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logger.debug(f"[MJ] task check res sync, task_id={task.id}, status={res.status_code}, "
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f"data={res_json.get('data')}, thread={threading.current_thread().name}")
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if res_json.get("data") and res_json.get("data").get("status") == Status.FINISHED.name:
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# process success res
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if self.tasks.get(task.id):
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self.tasks[task.id].status = Status.FINISHED
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self._process_success_task(task, res_json.get("data"), e_context)
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return
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max_retry_times -= 1
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else:
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res_json = res.json()
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logger.warn(f"[MJ] image check error, status_code={res.status_code}, res={res_json}")
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max_retry_times -= 20
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except Exception as e:
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max_retry_times -= 20
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logger.warn(e)
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logger.warn("[MJ] end from poll")
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if self.tasks.get(task.id):
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self.tasks[task.id].status = Status.EXPIRED
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async def check_task_async(self, task: MJTask, e_context: EventContext):
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try:
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logger.debug(f"[MJ] start check task status, {task}")
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max_retry_times = 90
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while max_retry_times > 0:
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await asyncio.sleep(10)
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async with aiohttp.ClientSession() as session:
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url = f"{self.base_url}/tasks/{task.id}"
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try:
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async with session.get(url, headers=self.headers) as res:
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if res.status == 200:
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res_json = await res.json()
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logger.debug(f"[MJ] task check res, task_id={task.id}, status={res.status}, "
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f"data={res_json.get('data')}, thread={threading.current_thread().name}")
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if res_json.get("data") and res_json.get("data").get("status") == Status.FINISHED.name:
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# process success res
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if self.tasks.get(task.id):
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self.tasks[task.id].status = Status.FINISHED
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self._process_success_task(task, res_json.get("data"), e_context)
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return
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else:
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res_json = await res.json()
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logger.warn(f"[MJ] image check error, status_code={res.status}, res={res_json}")
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max_retry_times -= 20
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except Exception as e:
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max_retry_times -= 20
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logger.warn(e)
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max_retry_times -= 1
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logger.warn("[MJ] end from poll")
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if self.tasks.get(task.id):
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self.tasks[task.id].status = Status.EXPIRED
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except Exception as e:
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logger.error(e)
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def _do_check_task(self, task: MJTask, e_context: EventContext):
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threading.Thread(target=self.check_task_sync, args=(task, e_context)).start()
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def _process_success_task(self, task: MJTask, res: dict, e_context: EventContext):
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"""
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处理任务成功的结果
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:param task: MJ任务
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:param res: 请求结果
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:param e_context: 对话上下文
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"""
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# channel send img
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task.status = Status.FINISHED
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task.img_id = res.get("img_id")
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task.img_url = res.get("img_url")
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logger.info(f"[MJ] task success, task_id={task.id}, img_id={task.img_id}, img_url={task.img_url}")
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# send img
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reply = Reply(ReplyType.IMAGE_URL, task.img_url)
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channel = e_context["channel"]
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channel._send(reply, e_context["context"])
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# send info
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trigger_prefix = conf().get("plugin_trigger_prefix", "$")
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text = ""
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if task.task_type == TaskType.GENERATE:
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text = f"🎨绘画完成!\nprompt: {task.raw_prompt}\n- - - - - - - - -\n图片ID: {task.img_id}"
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text += f"\n\n🔎可使用 {trigger_prefix}mju 命令放大指定图片\n"
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text += f"例如：\n{trigger_prefix}mju {task.img_id} 1"
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reply = Reply(ReplyType.INFO, text)
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channel._send(reply, e_context["context"])
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self._print_tasks()
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return
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def _check_rate_limit(self, user_id: str, e_context: EventContext) -> bool:
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"""
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midjourney任务限流控制
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:param user_id: 用户id
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:param e_context: 对话上下文
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:return: 任务是否能够生成, True:可以生成, False: 被限流
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"""
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tasks = self.find_tasks_by_user_id(user_id)
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task_count = len([t for t in tasks if t.status == Status.PENDING])
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if task_count >= self.config.get("max_tasks_per_user"):
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reply = Reply(ReplyType.INFO, "您的Midjourney作图任务数已达上限，请稍后再试")
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e_context["reply"] = reply
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e_context.action = EventAction.BREAK_PASS
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return False
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task_count = len([t for t in self.tasks.values() if t.status == Status.PENDING])
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if task_count >= self.config.get("max_tasks"):
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reply = Reply(ReplyType.INFO, "Midjourney作图任务数已达上限，请稍后再试")
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e_context["reply"] = reply
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e_context.action = EventAction.BREAK_PASS
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return False
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return True
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def _fetch_mode(self, prompt) -> str:
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mode = self.config.get("mode")
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if "--relax" in prompt or mode == TaskMode.RELAX.value:
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return TaskMode.RELAX.value
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return mode or TaskMode.FAST.value
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def _run_loop(self, loop: asyncio.BaseEventLoop):
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"""
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运行事件循环，用于轮询任务的线程
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:param loop: 事件循环
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"""
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loop.run_forever()
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loop.stop()
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def _print_tasks(self):
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for id in self.tasks:
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logger.debug(f"[MJ] current task: {self.tasks[id]}")
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def _set_reply_text(self, content: str, e_context: EventContext, level: ReplyType = ReplyType.ERROR):
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"""
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设置回复文本
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:param content: 回复内容
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:param e_context: 对话上下文
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:param level: 回复等级
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"""
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reply = Reply(level, content)
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e_context["reply"] = reply
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e_context.action = EventAction.BREAK_PASS
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def get_help_text(self, verbose=False, **kwargs):
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trigger_prefix = conf().get("plugin_trigger_prefix", "$")
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help_text = "🎨利用Midjourney进行画图\n\n"
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if not verbose:
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return help_text
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help_text += f" - 生成: {trigger_prefix}mj 描述词1, 描述词2.. \n - 放大: {trigger_prefix}mju 图片ID 图片序号\n\n例如：\n\"{trigger_prefix}mj a little cat, white --ar 9:16\"\n\"{trigger_prefix}mju 1105592717188272288 2\""
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return help_text
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def find_tasks_by_user_id(self, user_id) -> list:
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result = []
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with self.tasks_lock:
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now = time.time()
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for task in self.tasks.values():
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if task.status == Status.PENDING and now > task.expiry_time:
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task.status = Status.EXPIRED
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logger.info(f"[MJ] {task} expired")
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if task.user_id == user_id:
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result.append(task)
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return result
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def check_prefix(content, prefix_list):
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if not prefix_list:
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return None
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for prefix in prefix_list:
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if content.startswith(prefix):
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return prefix
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return None
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