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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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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 MJTask: |
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def __init__(self, id, user_id: str, task_type: TaskType, raw_prompt=None, expires: int=60*30, 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.base_url = "http://127.0.0.1:8911/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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threading.Thread(name="mj-check-thread", target=self._run_loop, args=(self.event_loop,)).start() |
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def judge_mj_task_type(self, e_context: EventContext) -> TaskType: |
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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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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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if self.config and self.config.get("enabled"): |
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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 cmd_list[0].lower() == f"{trigger_prefix}mjv": |
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# return TaskType.VARIATION |
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# elif cmd_list[0].lower() == f"{trigger_prefix}mjr": |
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# return TaskType.RESET |
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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: |
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self._set_reply_text(self.get_help_text(verbose=True), e_context, level=ReplyType.ERROR) |
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return |
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if mj_type == TaskType.GENERATE: |
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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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:return: 任务ID |
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""" |
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logger.info(f"[MJ] image generate, prompt={prompt}") |
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body = {"prompt": prompt} |
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res = requests.post(url=self.base_url + "/generate", json=body, headers=self.headers) |
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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("taskId") |
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real_prompt = res.get("data").get("realPrompt") |
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content = f"🚀你的作品将在1~2分钟左右完成，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, 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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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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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, "imgId": img_id, "index": index} |
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res = requests.post(url=self.base_url + "/operate", json=body, headers=self.headers) |
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if res.status_code == 200: |
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res = res.json() |
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logger.info(res) |
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if res.get("code") == 200: |
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task_id = res.get("data").get("taskId") |
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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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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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async def check_task(self, task: MJTask, e_context: EventContext): |
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max_retry_time = 80 |
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while max_retry_time > 0: |
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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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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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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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logger.warn(f"[MJ] image check error, status_code={res.status}") |
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max_retry_time -= 20 |
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await asyncio.sleep(10) |
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max_retry_time -= 1 |
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logger.warn("[MJ] end from poll") |
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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("imgId") |
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task.img_url = res.get("imgUrl") |
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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 _run_loop(self, loop: asyncio.BaseEventLoop): |
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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 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来画图。\n" |
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if not verbose: |
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return help_text |
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help_text += f"{trigger_prefix}mj 描述词1,描述词2 ... ： 利用描述词作画，参数请放在提示词之后。\n{trigger_prefix}mjimage 描述词1,描述词2 ... ： 利用描述词进行图生图，参数请放在提示词之后。\n{trigger_prefix}mjr ID: 对指定ID消息重新生成图片。\n{trigger_prefix}mju ID 图片序号: 对指定ID消息中的第x张图片进行放大。\n{trigger_prefix}mjv ID 图片序号: 对指定ID消息中的第x张图片进行变换。\n例如：\n\"{trigger_prefix}mj a little cat, white --ar 9:16\"\n\"{trigger_prefix}mjimage a white cat --ar 9:16\"\n\"{trigger_prefix}mju 1105592717188272288 2\"" |
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return help_text |
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def _set_reply_text(self, content: str, e_context: EventContext, level: ReplyType=ReplyType.ERROR): |
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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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