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Browse files- .gitignore +50 -0
- CLAUDE.md +21 -0
- README.md +86 -4
- app.py +287 -0
- app.yaml +9 -0
- gemini_sample_code.txt +81 -0
- requirements.txt +7 -0
.gitignore
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# Python
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__pycache__/
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*.py[cod]
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*$py.class
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*.so
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.Python
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build/
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develop-eggs/
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dist/
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downloads/
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eggs/
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.eggs/
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lib/
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lib64/
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parts/
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sdist/
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var/
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wheels/
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*.egg-info/
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.installed.cfg
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*.egg
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# Virtual Environment
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venv/
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ENV/
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env/
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.env
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# IDE
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.vscode/
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.idea/
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*.swp
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*.swo
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*~
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# OS
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.DS_Store
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Thumbs.db
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# Project specific
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*.log
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*.png
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*.jpg
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*.jpeg
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*.gif
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*.bmp
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generated_images/
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# Hugging Face Spaces
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.gradio/
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CLAUDE.md
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# CLAUDE.md
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This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.
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## 重要な指示
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- **常に日本語で会話すること**
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- このプロジェクトはHugging Face Spacesで動作するGradio 5.31.0を使用したアプリケーションの開発が目的です。
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- 開発するアプリケーションはClaudeCodeに使用させるための画像生成MCPサーバーです。画像生成にはgemini2.0flashを活用します。サンプルコードはgemini_sample_code.txt
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## Project Overview
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ImageGenMCP - Hugging Face Spaces上で動作する画像生成アプリケーション(Gradio 5.31.0使用)
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## Development Commands
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*To be updated once the project is initialized with package.json or other configuration files.*
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## Architecture
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*To be documented once the codebase structure is established.*
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README.md
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---
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title: ImageGenMCP
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emoji:
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colorFrom:
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colorTo: purple
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sdk: gradio
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sdk_version: 5.
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app_file: app.py
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pinned: false
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---
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-
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---
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title: ImageGenMCP
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emoji: 🎨
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colorFrom: blue
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colorTo: purple
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sdk: gradio
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sdk_version: 5.31.0
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app_file: app.py
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pinned: false
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license: mit
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---
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# ImageGenMCP - Image Generation MCP Server
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A Gradio-based image generation application using Google's Gemini 2.0 Flash Preview model, designed to work as an MCP (Model Context Protocol) server for Claude Code.
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## Features
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- 🎨 High-quality image generation using Gemini 2.0 Flash Preview
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- 🖼️ Support for reference images to guide generation
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- 🔧 MCP server integration for Claude Code
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- 🌐 Web interface powered by Gradio 5.31.0
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- 📝 Detailed logging for debugging
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## Setup
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### Environment Variables
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Set your Gemini API key:
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```bash
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export GEMINI_API_KEY="your-gemini-api-key"
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```
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### Local Development
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1. Install dependencies:
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```bash
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pip install -r requirements.txt
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```
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2. Run the application:
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**Web UI mode:**
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```bash
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python app.py
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```
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**MCP server mode:**
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```bash
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python app.py --mcp
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```
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## Usage with Claude Code
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Add this configuration to your Claude Code settings:
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```json
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{
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"mcpServers": {
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"image-gen": {
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"command": "python",
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"args": ["/path/to/app.py", "--mcp"],
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"env": {
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"GEMINI_API_KEY": "your-api-key"
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}
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}
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}
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}
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```
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## API
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### MCP Tool: `generate_image`
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**Description:** Generates images using Gemini 2.0 Flash Preview
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**Parameters:**
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- `prompt` (string, required): Description of the image to generate
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**Returns:**
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- `success` (boolean): Whether generation was successful
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- `message` (string): Status message
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- `image_base64` (string): Base64-encoded PNG image (if successful)
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## Requirements
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- Python 3.8+
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- Gemini API key with access to `gemini-2.0-flash-preview-image-generation` model
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- Dependencies listed in `requirements.txt`
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## License
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MIT
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app.py
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| 1 |
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import gradio as gr
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| 2 |
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import os
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| 3 |
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import base64
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| 4 |
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import io
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| 5 |
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from PIL import Image
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| 6 |
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from google import genai
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| 7 |
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from google.genai import types
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| 8 |
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import json
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| 9 |
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import asyncio
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| 10 |
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from typing import Dict, Any, List, Optional
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| 11 |
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from mcp import Server, NotificationOptions
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| 12 |
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from mcp.server.models import InitializationOptions
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| 13 |
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import mcp.server.stdio
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| 14 |
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import mcp.types as types_mcp
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| 15 |
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import logging
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| 16 |
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import traceback
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| 17 |
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| 18 |
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# ログ設定
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| 19 |
+
logging.basicConfig(
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| 20 |
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level=logging.INFO,
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| 21 |
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format='%(asctime)s - %(name)s - %(levelname)s - %(message)s'
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| 22 |
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)
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| 23 |
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logger = logging.getLogger(__name__)
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| 24 |
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| 25 |
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# Gemini APIクライアントの初期化
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| 26 |
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def get_gemini_client():
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| 27 |
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api_key = os.environ.get("GEMINI_API_KEY")
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| 28 |
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if not api_key:
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| 29 |
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raise ValueError("GEMINI_API_KEY環境変数が設定されていません")
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| 30 |
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return genai.Client(api_key=api_key)
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| 31 |
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| 32 |
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# 画像生成関数
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| 33 |
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def generate_image(prompt: str, previous_image: Optional[Image.Image] = None) -> tuple[Optional[Image.Image], str]:
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| 34 |
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"""
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| 35 |
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Gemini 2.0 Flashを使用して画像を生成する
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| 36 |
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| 37 |
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Args:
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| 38 |
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prompt: 生成したい画像の説明
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| 39 |
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previous_image: 参考にする前の画像(オプション)
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| 40 |
+
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| 41 |
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Returns:
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| 42 |
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生成された画像とステータスメッセージ
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| 43 |
+
"""
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| 44 |
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try:
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| 45 |
+
logger.info(f"画像生成開始: プロンプト='{prompt[:50]}...', 参考画像={'あり' if previous_image else 'なし'}")
|
| 46 |
+
client = get_gemini_client()
|
| 47 |
+
model = "gemini-2.0-flash-preview-image-generation" # 画像生成対応モデル
|
| 48 |
+
|
| 49 |
+
# コンテンツの準備
|
| 50 |
+
contents = []
|
| 51 |
+
|
| 52 |
+
# ユーザープロンプトの追加
|
| 53 |
+
contents.append(
|
| 54 |
+
types.Content(
|
| 55 |
+
role="user",
|
| 56 |
+
parts=[types.Part.from_text(text=prompt)]
|
| 57 |
+
)
|
| 58 |
+
)
|
| 59 |
+
|
| 60 |
+
# 前の画像がある場合は追加
|
| 61 |
+
if previous_image:
|
| 62 |
+
# PILイメージをbase64に変換
|
| 63 |
+
buffered = io.BytesIO()
|
| 64 |
+
previous_image.save(buffered, format="PNG")
|
| 65 |
+
img_data = base64.b64encode(buffered.getvalue()).decode()
|
| 66 |
+
|
| 67 |
+
contents.append(
|
| 68 |
+
types.Content(
|
| 69 |
+
role="model",
|
| 70 |
+
parts=[
|
| 71 |
+
types.Part.from_bytes(
|
| 72 |
+
mime_type="image/png",
|
| 73 |
+
data=base64.b64decode(img_data)
|
| 74 |
+
)
|
| 75 |
+
]
|
| 76 |
+
)
|
| 77 |
+
)
|
| 78 |
+
|
| 79 |
+
# 追加の指示
|
| 80 |
+
contents.append(
|
| 81 |
+
types.Content(
|
| 82 |
+
role="user",
|
| 83 |
+
parts=[types.Part.from_text(text="上記の画像を参考に、以下の要望に従って新しい画像を生成してください: " + prompt)]
|
| 84 |
+
)
|
| 85 |
+
)
|
| 86 |
+
|
| 87 |
+
# 生成設定
|
| 88 |
+
generate_content_config = types.GenerateContentConfig(
|
| 89 |
+
response_modalities=["IMAGE"],
|
| 90 |
+
# response_mime_typeは指定しない(Gemini 2.0 Flashの仕様に合わせる)
|
| 91 |
+
)
|
| 92 |
+
|
| 93 |
+
# 画像生成
|
| 94 |
+
logger.info("Gemini APIを呼び出し中...")
|
| 95 |
+
response = client.models.generate_content(
|
| 96 |
+
model=model,
|
| 97 |
+
contents=contents,
|
| 98 |
+
config=generate_content_config
|
| 99 |
+
)
|
| 100 |
+
logger.info("Gemini APIの呼び出し完了")
|
| 101 |
+
|
| 102 |
+
# レスポンスから画像を取得
|
| 103 |
+
if (response.candidates and
|
| 104 |
+
response.candidates[0].content and
|
| 105 |
+
response.candidates[0].content.parts and
|
| 106 |
+
response.candidates[0].content.parts[0].inline_data):
|
| 107 |
+
|
| 108 |
+
image_data = response.candidates[0].content.parts[0].inline_data.data
|
| 109 |
+
image = Image.open(io.BytesIO(image_data))
|
| 110 |
+
|
| 111 |
+
logger.info(f"画像生成成功: サイズ={image.size}")
|
| 112 |
+
return image, "画像生成に成功しました!"
|
| 113 |
+
else:
|
| 114 |
+
logger.warning("レスポンスに画像データが含まれていません")
|
| 115 |
+
return None, "画像の生成に失敗しました。レスポンスに画像データが含まれていません。"
|
| 116 |
+
|
| 117 |
+
except Exception as e:
|
| 118 |
+
logger.error(f"画像生成エラー: {str(e)}")
|
| 119 |
+
logger.error(traceback.format_exc())
|
| 120 |
+
return None, f"エラーが発生しました: {str(e)}"
|
| 121 |
+
|
| 122 |
+
# MCPサーバーの設定
|
| 123 |
+
class ImageGenMCPServer:
|
| 124 |
+
def __init__(self):
|
| 125 |
+
self.server = Server("image-gen-mcp")
|
| 126 |
+
self.setup_handlers()
|
| 127 |
+
|
| 128 |
+
def setup_handlers(self):
|
| 129 |
+
@self.server.list_tools()
|
| 130 |
+
async def handle_list_tools() -> list[types_mcp.Tool]:
|
| 131 |
+
return [
|
| 132 |
+
types_mcp.Tool(
|
| 133 |
+
name="generate_image",
|
| 134 |
+
description="Gemini 2.0 Flashを使用して画像を生成します",
|
| 135 |
+
inputSchema={
|
| 136 |
+
"type": "object",
|
| 137 |
+
"properties": {
|
| 138 |
+
"prompt": {
|
| 139 |
+
"type": "string",
|
| 140 |
+
"description": "生成したい画像の説明"
|
| 141 |
+
}
|
| 142 |
+
},
|
| 143 |
+
"required": ["prompt"]
|
| 144 |
+
}
|
| 145 |
+
)
|
| 146 |
+
]
|
| 147 |
+
|
| 148 |
+
@self.server.call_tool()
|
| 149 |
+
async def handle_call_tool(
|
| 150 |
+
name: str,
|
| 151 |
+
arguments: Optional[Dict[str, Any]] = None
|
| 152 |
+
) -> List[types_mcp.TextContent]:
|
| 153 |
+
if name == "generate_image":
|
| 154 |
+
prompt = arguments.get("prompt", "")
|
| 155 |
+
|
| 156 |
+
logger.info(f"MCPツール呼び出し: generate_image, プロンプト='{prompt[:50]}...'")
|
| 157 |
+
|
| 158 |
+
# 同期関数を非同期で実行
|
| 159 |
+
loop = asyncio.get_event_loop()
|
| 160 |
+
image, message = await loop.run_in_executor(
|
| 161 |
+
None, generate_image, prompt, None
|
| 162 |
+
)
|
| 163 |
+
|
| 164 |
+
if image:
|
| 165 |
+
# 画像をbase64エンコード
|
| 166 |
+
buffered = io.BytesIO()
|
| 167 |
+
image.save(buffered, format="PNG")
|
| 168 |
+
img_str = base64.b64encode(buffered.getvalue()).decode()
|
| 169 |
+
logger.info("MCPレスポンス: 成功")
|
| 170 |
+
|
| 171 |
+
return [
|
| 172 |
+
types_mcp.TextContent(
|
| 173 |
+
type="text",
|
| 174 |
+
text=json.dumps({
|
| 175 |
+
"success": True,
|
| 176 |
+
"message": message,
|
| 177 |
+
"image_base64": img_str
|
| 178 |
+
})
|
| 179 |
+
)
|
| 180 |
+
]
|
| 181 |
+
else:
|
| 182 |
+
logger.warning(f"MCPレスポンス: 失敗 - {message}")
|
| 183 |
+
return [
|
| 184 |
+
types_mcp.TextContent(
|
| 185 |
+
type="text",
|
| 186 |
+
text=json.dumps({
|
| 187 |
+
"success": False,
|
| 188 |
+
"message": message
|
| 189 |
+
})
|
| 190 |
+
)
|
| 191 |
+
]
|
| 192 |
+
|
| 193 |
+
raise ValueError(f"Unknown tool: {name}")
|
| 194 |
+
|
| 195 |
+
async def run(self):
|
| 196 |
+
logger.info("MCPサーバー起動中...")
|
| 197 |
+
async with mcp.server.stdio.stdio_server() as (read_stream, write_stream):
|
| 198 |
+
await self.server.run(
|
| 199 |
+
read_stream,
|
| 200 |
+
write_stream,
|
| 201 |
+
InitializationOptions(
|
| 202 |
+
server_name="image-gen-mcp",
|
| 203 |
+
server_version="0.1.0"
|
| 204 |
+
)
|
| 205 |
+
)
|
| 206 |
+
|
| 207 |
+
# Gradioインターフェースの作成
|
| 208 |
+
def create_gradio_interface():
|
| 209 |
+
with gr.Blocks(title="画像生成MCP - Gemini 2.0 Flash") as demo:
|
| 210 |
+
gr.Markdown("""
|
| 211 |
+
# 画像生成MCPサーバー
|
| 212 |
+
|
| 213 |
+
Gemini 2.0 Flashを使用した画像生成アプリケーションです。
|
| 214 |
+
ClaudeCodeから画像生成MCPツールとして利用できます。
|
| 215 |
+
""")
|
| 216 |
+
|
| 217 |
+
with gr.Row():
|
| 218 |
+
with gr.Column():
|
| 219 |
+
prompt_input = gr.Textbox(
|
| 220 |
+
label="プロンプト",
|
| 221 |
+
placeholder="生成したい画像の説明を入力してください...",
|
| 222 |
+
lines=3
|
| 223 |
+
)
|
| 224 |
+
|
| 225 |
+
reference_image = gr.Image(
|
| 226 |
+
label="参考画像(オプション)",
|
| 227 |
+
type="pil"
|
| 228 |
+
)
|
| 229 |
+
|
| 230 |
+
generate_btn = gr.Button("画像を生成", variant="primary")
|
| 231 |
+
|
| 232 |
+
with gr.Column():
|
| 233 |
+
output_image = gr.Image(
|
| 234 |
+
label="生成された画像",
|
| 235 |
+
type="pil"
|
| 236 |
+
)
|
| 237 |
+
|
| 238 |
+
status_output = gr.Textbox(
|
| 239 |
+
label="ステータス",
|
| 240 |
+
interactive=False
|
| 241 |
+
)
|
| 242 |
+
|
| 243 |
+
# MCPサーバー情報の表示
|
| 244 |
+
gr.Markdown("""
|
| 245 |
+
### MCPサーバー情報
|
| 246 |
+
|
| 247 |
+
このアプリケーションはMCPサーバーとして動作します。
|
| 248 |
+
ClaudeCodeで使用する場合は、以下の設定を使用してください:
|
| 249 |
+
|
| 250 |
+
```json
|
| 251 |
+
{
|
| 252 |
+
"mcpServers": {
|
| 253 |
+
"image-gen": {
|
| 254 |
+
"command": "python",
|
| 255 |
+
"args": ["app.py", "--mcp"],
|
| 256 |
+
"env": {
|
| 257 |
+
"GEMINI_API_KEY": "your-api-key-here"
|
| 258 |
+
}
|
| 259 |
+
}
|
| 260 |
+
}
|
| 261 |
+
}
|
| 262 |
+
```
|
| 263 |
+
""")
|
| 264 |
+
|
| 265 |
+
# イベントハンドラ
|
| 266 |
+
generate_btn.click(
|
| 267 |
+
fn=generate_image,
|
| 268 |
+
inputs=[prompt_input, reference_image],
|
| 269 |
+
outputs=[output_image, status_output]
|
| 270 |
+
)
|
| 271 |
+
|
| 272 |
+
return demo
|
| 273 |
+
|
| 274 |
+
# メイン実行部分
|
| 275 |
+
if __name__ == "__main__":
|
| 276 |
+
import sys
|
| 277 |
+
|
| 278 |
+
if "--mcp" in sys.argv:
|
| 279 |
+
# MCPサーバーモードで実行
|
| 280 |
+
logger.info("MCP���ーバーモードで起動")
|
| 281 |
+
mcp_server = ImageGenMCPServer()
|
| 282 |
+
asyncio.run(mcp_server.run())
|
| 283 |
+
else:
|
| 284 |
+
# Gradio UIモードで実行
|
| 285 |
+
logger.info("Gradio UIモードで起動")
|
| 286 |
+
demo = create_gradio_interface()
|
| 287 |
+
demo.launch()
|
app.yaml
ADDED
|
@@ -0,0 +1,9 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
title: ImageGenMCP
|
| 2 |
+
emoji: 🎨
|
| 3 |
+
colorFrom: blue
|
| 4 |
+
colorTo: purple
|
| 5 |
+
sdk: gradio
|
| 6 |
+
sdk_version: 5.31.0
|
| 7 |
+
app_file: app.py
|
| 8 |
+
pinned: false
|
| 9 |
+
license: mit
|
gemini_sample_code.txt
ADDED
|
@@ -0,0 +1,81 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
# To run this code you need to install the following dependencies:
|
| 2 |
+
# pip install google-genai
|
| 3 |
+
|
| 4 |
+
import base64
|
| 5 |
+
import mimetypes
|
| 6 |
+
import os
|
| 7 |
+
from google import genai
|
| 8 |
+
from google.genai import types
|
| 9 |
+
|
| 10 |
+
|
| 11 |
+
def save_binary_file(file_name, data):
|
| 12 |
+
f = open(file_name, "wb")
|
| 13 |
+
f.write(data)
|
| 14 |
+
f.close()
|
| 15 |
+
print(f"File saved to to: {file_name}")
|
| 16 |
+
|
| 17 |
+
|
| 18 |
+
def generate():
|
| 19 |
+
client = genai.Client(
|
| 20 |
+
api_key=os.environ.get("GEMINI_API_KEY"),
|
| 21 |
+
)
|
| 22 |
+
|
| 23 |
+
model = "gemini-2.0-flash-preview-image-generation"
|
| 24 |
+
contents = [
|
| 25 |
+
types.Content(
|
| 26 |
+
role="user",
|
| 27 |
+
parts=[
|
| 28 |
+
types.Part.from_text(text="""筋トレ中の女性
|
| 29 |
+
"""),
|
| 30 |
+
],
|
| 31 |
+
),
|
| 32 |
+
types.Content(
|
| 33 |
+
role="model",
|
| 34 |
+
parts=[
|
| 35 |
+
types.Part.from_bytes(
|
| 36 |
+
mime_type="image/png",
|
| 37 |
+
data=base64.b64decode(
|
| 38 |
+
""" <画像データが入ります> """
|
| 39 |
+
),
|
| 40 |
+
),
|
| 41 |
+
],
|
| 42 |
+
),
|
| 43 |
+
types.Content(
|
| 44 |
+
role="user",
|
| 45 |
+
parts=[
|
| 46 |
+
types.Part.from_text(text="""INSERT_INPUT_HERE"""),
|
| 47 |
+
],
|
| 48 |
+
),
|
| 49 |
+
]
|
| 50 |
+
generate_content_config = types.GenerateContentConfig(
|
| 51 |
+
response_modalities=[
|
| 52 |
+
"IMAGE",
|
| 53 |
+
"TEXT",
|
| 54 |
+
],
|
| 55 |
+
response_mime_type="text/plain",
|
| 56 |
+
)
|
| 57 |
+
|
| 58 |
+
file_index = 0
|
| 59 |
+
for chunk in client.models.generate_content_stream(
|
| 60 |
+
model=model,
|
| 61 |
+
contents=contents,
|
| 62 |
+
config=generate_content_config,
|
| 63 |
+
):
|
| 64 |
+
if (
|
| 65 |
+
chunk.candidates is None
|
| 66 |
+
or chunk.candidates[0].content is None
|
| 67 |
+
or chunk.candidates[0].content.parts is None
|
| 68 |
+
):
|
| 69 |
+
continue
|
| 70 |
+
if chunk.candidates[0].content.parts[0].inline_data and chunk.candidates[0].content.parts[0].inline_data.data:
|
| 71 |
+
file_name = f"ENTER_FILE_NAME_{file_index}"
|
| 72 |
+
file_index += 1
|
| 73 |
+
inline_data = chunk.candidates[0].content.parts[0].inline_data
|
| 74 |
+
data_buffer = inline_data.data
|
| 75 |
+
file_extension = mimetypes.guess_extension(inline_data.mime_type)
|
| 76 |
+
save_binary_file(f"{file_name}{file_extension}", data_buffer)
|
| 77 |
+
else:
|
| 78 |
+
print(chunk.text)
|
| 79 |
+
|
| 80 |
+
if __name__ == "__main__":
|
| 81 |
+
generate()
|
requirements.txt
ADDED
|
@@ -0,0 +1,7 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
gradio==5.31.0
|
| 2 |
+
google-genai
|
| 3 |
+
mcp
|
| 4 |
+
uvicorn
|
| 5 |
+
fastapi
|
| 6 |
+
python-multipart
|
| 7 |
+
pillow
|