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midjourney-api

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midjourney in discord api.

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# midjourney-api

简体中文 / [English](./README-EN.md)

基于 Discord 的 Midjourney API。

**添加 Midjourney 违禁词入口 [issue](https://github.com/yokonsan/midjourney-api/issues/new?assignees=&labels=banned+prompt&projects=&template=banned_prompt_report.yml&title=Banned+prompt%3A+)**

项目集成 Demo 参考：[issue31](https://github.com/yokonsan/midjourney-api/issues/31)

<hr>

## Midjourney API 平台推荐
如果以上流程&代码对你来说操作有困难，或者维护账户池消耗了你们大量的精力与成本。这里有一个高度集成且价格与稳定性具有超高性价比的 [Midjouney API](https://ttapi.io/midjourney) 平台推荐 **[TTAPI](https://ttapi.io)**

**TTAPI 平台对于Midjourney相关功能支持：**
- imagine 
- U V pan zoom 
- describe 
- blend 
- vary_region等等所有Midjourney官方包含的高级功能
- 除此以外还支持**Luma API**、**换脸API**、相对价格比较优惠的**ChatGPT以及Claude API**

**TTAPI 接入**

- 进入[平台github一键登录](https://ttapi.io/login)即可获取30配额的免费额度（可用于fast模式下执行10次imagine接口用作测试）
- [平台接口文档地址](https://docs-zh.mjapiapp.com/)

<hr>

## UML

```mermaid
sequenceDiagram
    participant ThirdServer
    participant APIServer
    participant DiscordAPI

ThirdServer->>APIServer: 请求接口触发任务
    APIServer->>APIServer: 放入任务队列
    APIServer->>DiscordAPI: 调接口触发绘画任务
    APIServer-->>ThirdServer: 返回是否触发成功

DiscordAPI->>DiscordAPI: 触发Midjourney bot绘画任务
    DiscordAPI->>DiscordAPI: 监听MidJourney bot消息
    DiscordAPI-->>ThirdServer: 返回监听实时消息
    DiscordAPI-->>APIServer: 清除队列任务
```

## 使用条件

1. 确保程序启动环境能访问 Discord
2. 已有 Midjourney、Discord 账户
3. 创建 Discord 频道并添加机器人，参考教程 [Midjourney｜如何集成到自己的平台](https://mp.weixin.qq.com/s?__biz=Mzg4MjkzMzc1Mg==&mid=2247484029&idx=1&sn=d3c458bba9459f19f05d13ab23f5f67e&chksm=cf4e68eaf839e1fc2db025bd9940d0f5e57862f1788c88215b4a66cb23f553a30c5f37ac3ae8&token=79614426&lang=zh_CN#rd)

## 安装启动

```bash
git clone
pip install -r requirements.txt
```

将文件`.env.template`重命名为`.env`，并填入参数值：

```
USER_TOKEN=用户token
BOT_TOKEN=机器人token
GUILD_ID=服务器ID
CHANNEL_ID=频道ID
CALLBACK_URL=回调地址，默认http post请求，用于接收 midjourney 作图进度和结果的服务
```

### 直接启动

```bash
# 启动监听机器人
python task_bot.py
# 启动http服务
python server.py
```

#### 更新

```bash
git pull

# 启动监听机器人
python task_bot.py
# 启动http服务
python server.py
```

### docker 启动

填写 [start.sh](./start.sh) 中 `-e` 后的环境变量，直接启动：

```bash
sh start.sh
```

或者本地构建镜像：

```bash
# 构建镜像
sh build.sh
# 启动容器
sh start.sh
```

#### 更新

```bash
docker rmi kunyu/midjourney-api:1.0
sh start.sh
```

接口`swagger`文档：[http://127.0.0.1:8062/docs](http://127.0.0.1:8062/docs)

`midjourney-api` 提供接口：

- [x]  `/v1/api/trigger/imagine`：触发绘画任务（图生图，Prompt 前加上图片链接即可）
- [x]  `/v1/api/trigger/upscale`：U
- [x]  `/v1/api/trigger/variation`：V
- [x]  `/v1/api/trigger/solo_variation`：Make Variations
- [x]  `/v1/api/trigger/solo_low_variation`：Vary(Subtle)
- [x]  `/v1/api/trigger/solo_high_variation`：Vary(Strong)
- [x]  `/v1/api/trigger/zoomout`：Zoom Out 2x/1.5x
- [x]  `/v1/api/trigger/expand`：⬅️ ➡️ ⬆️ ⬇️
- [x]  `/v1/api/trigger/reset`：重绘
- [x]  `/v1/api/trigger/upload`：上传图片
- [x]  `/v1/api/trigger/describe`：通过上传图片名，生成 Prompt
- [x] `/v1/api/trigger/message`：发送图片消息，返回图片链接，用于图生图功能

## 使用

### imagine

文生图

```bash
curl -X 'POST' \
  'http://127.0.0.1:8062/v1/api/trigger/imagine' \
  -H 'accept: application/json' \
  -H 'Content-Type: application/json' \
  -d '{
  "prompt": "a cute cat"
}'
```

图生图，需带上图片 URL

```bash
curl -X 'POST' \
  'http://127.0.0.1:8062/v1/api/trigger/imagine' \
  -H 'accept: application/json' \
  -H 'Content-Type: application/json' \
  -d '{
  "prompt": "a cute cat",
  "picurl": "https://xxxxxx/xxxxxxxxxxxx.jpg"
}'
```

### upscale

```bash
curl -X 'POST' \
  'http://127.0.0.1:8062/v1/api/trigger/upscale' \
  -H 'accept: application/json' \
  -H 'Content-Type: application/json' \
  -d '{
  "index": 1,
  "msg_id": "xxxxxxxxxx",
  "msg_hash": "xxxxx-xxx-xxxx-xxxx-xxxxxx",
  "trigger_id": "xxxxxxxxxx"
}'
```

- `index`: 图片索引，取值：1、2、3、4
- `msg_id`: `imagine` 绘画完成后回调报文 `id` 字段
- `msg_hash`: `imagine` 绘画完成后回调报文 `attachments[0].filename.split("_")[-1].split(".").[0]`
- `trigger_id`: `imagine` 绘画完成后回调报文 `trigger_id` 字段

### variation

```bash
curl -X 'POST' \
  'http://127.0.0.1:8062/v1/api/trigger/variation' \
  -H 'accept: application/json' \
  -H 'Content-Type: application/json' \
  -d '{
  "index": 2,
  "msg_id": "xxxxxxxxxx",
  "msg_hash": "xxxxx-xxx-xxxx-xxxx-xxxxxx",
  "trigger_id": "xxxxxxxxxx"
}'
```

### solo_variation

对 `upscale` 的单张图片进行 "Make Variations" 操作

```bash
curl -X 'POST' \
  'http://127.0.0.1:8062/v1/api/trigger/solo_variation' \
  -H 'accept: application/json' \
  -H 'Content-Type: application/json' \
  -d '{
  "index": 1,
  "msg_id": "xxxxxxxxxx",
  "msg_hash": "xxxxx-xxx-xxxx-xxxx-xxxxxx",
  "trigger_id": "xxxxxxxxxx"
}'
```

- `index`: 图片索引，此处无用，取值：1
- `msg_id`: `upscale` 绘画完成后回调报文 `id` 字段
- `msg_hash`: `upscale` 绘画完成后回调报文 `attachments[0].filename.split("_")[-1].split(".").[0]`
- `trigger_id`: `upscale` 绘画完成后回调报文 `trigger_id` 字段

### solo_low_variation

对 `upscale` 的单张图片进行 "Vary(Subtle)" 操作

```bash
curl -X 'POST' \
  'http://127.0.0.1:8062/v1/api/trigger/solo_low_variation' \
  -H 'accept: application/json' \
  -H 'Content-Type: application/json' \
  -d '{
  "index": 1,
  "msg_id": "xxxxxxxxxx",
  "msg_hash": "xxxxx-xxx-xxxx-xxxx-xxxxxx",
  "trigger_id": "xxxxxxxxxx"
}'
```

### solo_high_variation

对 `upscale` 的单张图片进行 "Vary(Strong)" 操作

```bash
curl -X 'POST' \
  'http://127.0.0.1:8062/v1/api/trigger/solo_high_variation' \
  -H 'accept: application/json' \
  -H 'Content-Type: application/json' \
  -d '{
  "index": 1,
  "msg_id": "xxxxxxxxxx",
  "msg_hash": "xxxxx-xxx-xxxx-xxxx-xxxxxx",
  "trigger_id": "xxxxxxxxxx"
}'
```

### zoomout

对 `upscale` 的单张图片进行 Zoom Out 2x/1.5x 操作

```bash
curl -X 'POST' \
  'http://127.0.0.1:8062/v1/api/trigger/zoomout' \
  -H 'accept: application/json' \
  -H 'Content-Type: application/json' \
  -d '{
  "msg_id": "xxxxxxxxxx",
  "msg_hash": "xxxxx-xxx-xxxx-xxxx-xxxxxx",
  "zoomout": 50
  "trigger_id": "xxxxxxxxxx"
}'
```

- `zoomout`: 图片扩大（Outpaint）系数，2x -> 50、1.5x -> 75

### expand

对 `upscale` 的单张图片进行某方向的扩展操作

```bash
curl -X 'POST' \
  'http://127.0.0.1:8062/v1/api/trigger/expand' \
  -H 'accept: application/json' \
  -H 'Content-Type: application/json' \
  -d '{
  "msg_id": "xxxxxxxxxx",
  "msg_hash": "xxxxx-xxx-xxxx-xxxx-xxxxxx",
  "direction": "up"
  "trigger_id": "xxxxxxxxxx"
}'
```

- `direction`: 图片扩大方向，取值：left/right/up/down

### reset

```bash
curl -X 'POST' \
  'http://127.0.0.1:8062/v1/api/trigger/reset' \
  -H 'accept: application/json' \
  -H 'Content-Type: application/json' \
  -d '{
  "msg_id": "xxxxxxxxxx",
  "msg_hash": "xxxxx-xxx-xxxx-xxxx-xxxxxx",
  "trigger_id": "xxxxxxxxxx"
}'
```

### describe

1. 先上传图片

```bash
curl -X 'POST' \
  'http://127.0.0.1:8062/v1/api/trigger/upload' \
  -H 'accept: application/json' \
  -H 'Content-Type: multipart/form-data' \
  -F 'file=@cH16Ifh.jpg;type=image/jpeg'
```

2. 根据返回的图片文件名，调用 describe

```bash
curl -X 'POST' \
  'http://127.0.0.1:8062/v1/api/trigger/describe' \
  -H 'accept: application/json' \
  -H 'Content-Type: application/json' \
  -d '{
  "upload_filename": "b56ca21a-5fbe-40b4-89ab-6e0aa732f561/9231228408.jpg",
  "trigger_id": "9231228408"
}'
```

- `trigger_id` 先用 upload 返回的 trigger_id
- `upload_filename` upload 返回的文件名

### message

和 `describe` 一样，先 `/v1/api/trigger/upload` 上传图片，然后根据返回文件名，发送消息：

```bash
curl -X 'POST' \
  'http://127.0.0.1:8062/v1/api/trigger/message' \
  -H 'accept: application/json' \
  -H 'Content-Type: application/json' \
  -d '{
  "upload_filename": "560a1e26-36a2-4d5f-a48d-9dd877642b51/7185811546.jpg"
}'
```

发送图片后，会返回图片链接。
该链接用于以图生图中，拼接 Prompt 形如 `图片URL Prompt`，调用 `/v1/api/trigger/imagine`。

## 功能

- [x] imagine
- [x] upscale
- [x] variation
- [x] solo_variation
- [x] solo_low_variation
- [x] solo_high_variation
- [x] zoomout
- [x] expand
- [x] reset
- [x] describe
- [x] 图生图（获取到上传图片的链接）
- [x] 敏感词过滤上报
- [x] 任务队列（内存存储，不希望引入外建，可加入异常落盘）
- [ ] tests

## enjoy it

midjourney-api

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