Update app.py
Browse files
app.py
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import gradio as gr
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from fastapi import FastAPI, HTTPException, Body
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from fastapi.responses import StreamingResponse
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from fastapi.staticfiles import StaticFiles
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from fastapi.middleware.cors import CORSMiddleware
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from pydantic import BaseModel
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from selenium import webdriver
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from selenium.webdriver.chrome.options import Options
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from selenium.webdriver.common.by import By
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from selenium.webdriver.support.ui import WebDriverWait
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from selenium.webdriver.support import expected_conditions as EC
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from PIL import Image
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from io import BytesIO
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import tempfile
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import time
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import os
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import logging
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from huggingface_hub import hf_hub_download # 追加: HuggingFace Hubからファイルを直接ダウンロード
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# 正しいGemini関連のインポート
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import google.generativeai as genai
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# ロギング設定
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logging.basicConfig(level=logging.INFO)
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logger = logging.getLogger(__name__)
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# --- Gemini統合 ---
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class GeminiRequest(BaseModel):
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"""Geminiへのリクエストデータモデル"""
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text: str
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extension_percentage: float = 10.0 # デフォルト値10%
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temperature: float = 0.5 # デフォルト値を0.5に設定
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trim_whitespace: bool = True # 余白トリミングオプション(デフォルト有効)
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style: str = "standard" # デフォルトはstandard
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class ScreenshotRequest(BaseModel):
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"""スクリーンショットリクエストモデル"""
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html_code: str
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extension_percentage: float = 10.0 # デフォルト値10%
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trim_whitespace: bool = True # 余白トリミングオプション(デフォルト有効)
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style: str = "standard" # デフォルトはstandard
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# HTMLのFont Awesomeレイアウトを改善する関数
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def enhance_font_awesome_layout(html_code):
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"""Font Awesomeレイアウトを改善するCSSを追加"""
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# CSSを追加
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fa_fix_css = """
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<style>
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/* Font Awesomeアイコンのレイアウト修正 */
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[class*="fa-"] {
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display: inline-block !important;
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margin-right: 8px !important;
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vertical-align: middle !important;
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}
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/* テキスト内のアイコン位置調整 */
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h1 [class*="fa-"], h2 [class*="fa-"], h3 [class*="fa-"],
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h4 [class*="fa-"], h5 [class*="fa-"], h6 [class*="fa-"] {
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vertical-align: middle !important;
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margin-right: 10px !important;
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}
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/* 特定パターンの修正 */
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.fa + span, .fas + span, .far + span, .fab + span,
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span + .fa, span + .fas, span + .far, span + .fab {
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display: inline-block !important;
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margin-left: 5px !important;
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}
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/* カード内アイコン修正 */
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.card [class*="fa-"], .card-body [class*="fa-"] {
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float: none !important;
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clear: none !important;
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position: relative !important;
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}
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/* アイコンと文字が重なる場合の調整 */
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li [class*="fa-"], p [class*="fa-"] {
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margin-right: 10px !important;
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}
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/* インラインアイコンのスペーシング */
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.inline-icon {
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display: inline-flex !important;
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align-items: center !important;
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justify-content: flex-start !important;
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}
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/* アイコン後のテキスト */
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[class*="fa-"] + span {
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display: inline-block !important;
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vertical-align: middle !important;
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}
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</style>
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"""
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# headタグがある場合はその中に追加
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if '<head>' in html_code:
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return html_code.replace('</head>', f'{fa_fix_css}</head>')
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# HTMLタグがある場合はその後に追加
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elif '<html' in html_code:
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head_end = html_code.find('</head>')
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if head_end > 0:
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return html_code[:head_end] + fa_fix_css + html_code[head_end:]
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else:
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body_start = html_code.find('<body')
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if body_start > 0:
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return html_code[:body_start] + f'<head>{fa_fix_css}</head>' + html_code[body_start:]
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# どちらもない場合は先頭に追加
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return f'<html><head>{fa_fix_css}</head>' + html_code + '</html>'
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def load_system_instruction(style="standard"):
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"""
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指定されたスタイルのシステムインストラクションを読み込む
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Args:
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style: 使用するスタイル名 (standard, cute, resort, cool, dental)
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Returns:
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読み込まれたシステムインストラクション
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"""
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try:
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# 有効なスタイル一覧
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valid_styles = ["standard", "cute", "resort", "cool", "dental"]
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# スタイルの検証
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if style not in valid_styles:
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logger.warning(f"無効なスタイル '{style}' が指定されました。デフォルトの 'standard' を使用します。")
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style = "standard"
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logger.info(f"スタイル '{style}' のシステムインストラクションを読み込みます")
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# まず、ローカルのスタイルディレクトリ内のprompt.txtを確認
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local_path = os.path.join(os.path.dirname(__file__), style, "prompt.txt")
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# ローカルファイルが存在する場合はそれを使用
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if os.path.exists(local_path):
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logger.info(f"ローカルファイルを使用: {local_path}")
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with open(local_path, 'r', encoding='utf-8') as file:
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instruction = file.read()
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return instruction
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# HuggingFaceリポジトリからのファイル読み込みを試行
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try:
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# スタイル固有のファイルパスを指定
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file_path = hf_hub_download(
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repo_id="tomo2chin2/GURAREKOstlyle",
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filename=f"{style}/prompt.txt",
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repo_type="dataset"
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)
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logger.info(f"スタイル '{style}' のプロンプトをHuggingFaceから読み込みました: {file_path}")
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with open(file_path, 'r', encoding='utf-8') as file:
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instruction = file.read()
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return instruction
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except Exception as style_error:
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# スタイル固有ファイルの読み込みに失敗した場合、デフォルトのprompt.txtを使用
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logger.warning(f"スタイル '{style}' のプロンプト読み込みに失敗: {str(style_error)}")
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logger.info("デフォルトのprompt.txtを読み込みます")
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file_path = hf_hub_download(
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repo_id="tomo2chin2/GURAREKOstlyle",
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filename="prompt.txt",
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repo_type="dataset"
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)
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with open(file_path, 'r', encoding='utf-8') as file:
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instruction = file.read()
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logger.info("デフォルトのシステムインストラクションを読み込みました")
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return instruction
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except Exception as e:
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error_msg = f"システムインストラクションの読み込みに失敗: {str(e)}"
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logger.error(error_msg)
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raise ValueError(error_msg)
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def generate_html_from_text(text, temperature=0.3, style="standard"):
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"""テキストからHTML
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try:
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# APIキーの取得と設定
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api_key = os.environ.get("GEMINI_API_KEY")
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if not api_key:
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logger.error("GEMINI_API_KEY 環境変数が設定されていません")
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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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# モデル名の取得(環境変数から、なければデフォルト値)
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model_name = os.environ.get("GEMINI_MODEL", "gemini-1.5-pro")
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logger.info(f"使用するGeminiモデル: {model_name}")
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# Gemini APIの設定
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genai.configure(api_key=api_key)
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# 指定されたスタイルのシステムインストラクションを読み込む
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system_instruction = load_system_instruction(style)
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#
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# 生成設定 - ばらつきを減らすために設定を調整
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generation_config = {
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"temperature": temperature, # より低い温度を設定
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"top_p": 0.7, # 0.95から0.7に下げて出力の多様性を制限
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"top_k": 20, # 64から20に下げて候補を絞る
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"max_output_tokens": 8192,
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"candidate_count":
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}
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# 安全設定 - デフォルトの安全設定を使用
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safety_settings = [
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{
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"category": "HARM_CATEGORY_HARASSMENT",
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"threshold": "BLOCK_MEDIUM_AND_ABOVE"
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},
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{
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"category": "HARM_CATEGORY_HATE_SPEECH",
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"threshold": "BLOCK_MEDIUM_AND_ABOVE"
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},
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{
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"category": "HARM_CATEGORY_SEXUALLY_EXPLICIT",
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"threshold": "BLOCK_MEDIUM_AND_ABOVE"
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},
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{
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"category": "HARM_CATEGORY_DANGEROUS_CONTENT",
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"threshold": "BLOCK_MEDIUM_AND_ABOVE"
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}
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]
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# プロンプト構築
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prompt = f"{system_instruction}\n\n{text}"
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# コンテンツ生成
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response = model.generate_content(
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prompt,
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generation_config=generation_config,
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safety_settings=safety_settings
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)
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# レスポンスからHTMLを抽出
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raw_response = response.text
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# HTMLタグ部分だけを抽出(
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html と
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の間)
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html_start = raw_response.find("
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html")
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html_end = raw_response.rfind("
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")
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if html_start != -1 and html_end != -1 and html_start < html_end:
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html_start += 7 # "
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html" の長さ分進める
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html_code = raw_response[html_start:html_end].strip()
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logger.info(f"HTMLの生成に成功: 長さ = {len(html_code)}")
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# Font Awesomeのレイアウト改善
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html_code = enhance_font_awesome_layout(html_code)
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logger.info("Font Awesomeレイアウトの最適化を適用しました")
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return html_code
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else:
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# HTMLタグが見つからない場合、レスポンス全体を返す
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logger.warning("レスポンスから
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html
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タグが見つかりませんでした。全テキストを返します。")
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return raw_response
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except Exception as e:
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logger.error(f"HTML生成中にエラーが発生: {e}", exc_info=True)
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raise Exception(f"Gemini APIでのHTML生成に失敗しました: {e}")
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# 画像から余分な空白領域をトリミングする関数
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def trim_image_whitespace(image, threshold=250, padding=10):
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"""
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画像から余分な白い空白をトリミングする
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Args:
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image: PIL.Image - 入力画像
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threshold: int - どの明るさ以上を空白と判断するか (0-255)
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padding: int - トリミング後に残す余白のピクセル数
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Returns:
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トリミングされたPIL.Image
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"""
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# グレースケールに変換
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gray = image.convert('L')
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# ピクセルデータを配列として取得
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data = gray.getdata()
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width, height = gray.size
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# 有効範囲を見つける
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min_x, min_y = width, height
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max_x = max_y = 0
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# ピクセルデータを2次元配列に変換して処理
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pixels = list(data)
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pixels = [pixels[i * width:(i + 1) * width] for i in range(height)]
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# 各行をスキャンして非空白ピクセルを見つける
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for y in range(height):
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for x in range(width):
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if pixels[y][x] < threshold: # 非空白ピクセル
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min_x = min(min_x, x)
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min_y = min(min_y, y)
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max_x = max(max_x, x)
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max_y = max(max_y, y)
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# 境界外のトリミングの場合はエラー
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if min_x > max_x or min_y > max_y:
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logger.warning("トリミング領域が見つかりません。元の画像を返します。")
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return image
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# パディングを追加
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min_x = max(0, min_x - padding)
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min_y = max(0, min_y - padding)
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max_x = min(width - 1, max_x + padding)
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max_y = min(height - 1, max_y + padding)
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# 画像をトリミング
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trimmed = image.crop((min_x, min_y, max_x + 1, max_y + 1))
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logger.info(f"画像をトリミングしました: 元サイズ {width}x{height} → トリミング後 {trimmed.width}x{trimmed.height}")
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return trimmed
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# 非同期スクリプトを使わず、同期的なスクリプトのみ使用する改善版
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def render_fullpage_screenshot(html_code: str, extension_percentage: float = 6.0,
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trim_whitespace: bool = True) -> Image.Image:
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"""
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Renders HTML code to a full-page screenshot using Selenium.
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Args:
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html_code: The HTML source code string.
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extension_percentage: Percentage of extra space to add vertically.
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trim_whitespace: Whether to trim excess whitespace from the image.
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Returns:
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A PIL Image object of the screenshot.
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"""
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tmp_path = None
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driver = None
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# 1) Save HTML code to a temporary file
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try:
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with tempfile.NamedTemporaryFile(suffix=".html", delete=False, mode='w', encoding='utf-8') as tmp_file:
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tmp_path = tmp_file.name
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-
tmp_file.write(html_code)
|
| 354 |
-
logger.info(f"HTML saved to temporary file: {tmp_path}")
|
| 355 |
-
except Exception as e:
|
| 356 |
-
logger.error(f"Error writing temporary HTML file: {e}")
|
| 357 |
-
return Image.new('RGB', (1, 1), color=(0, 0, 0))
|
| 358 |
-
|
| 359 |
-
# 2) Headless Chrome(Chromium) options
|
| 360 |
-
options = Options()
|
| 361 |
-
options.add_argument("--headless")
|
| 362 |
-
options.add_argument("--no-sandbox")
|
| 363 |
-
options.add_argument("--disable-dev-shm-usage")
|
| 364 |
-
options.add_argument("--force-device-scale-factor=1")
|
| 365 |
-
options.add_argument("--disable-features=NetworkService")
|
| 366 |
-
options.add_argument("--dns-prefetch-disable")
|
| 367 |
-
|
| 368 |
-
try:
|
| 369 |
-
logger.info("Initializing WebDriver...")
|
| 370 |
-
driver = webdriver.Chrome(options=options)
|
| 371 |
-
logger.info("WebDriver initialized.")
|
| 372 |
-
|
| 373 |
-
# 3) 初期ウィンドウサイズを設定
|
| 374 |
-
initial_width = 1200
|
| 375 |
-
initial_height = 1000
|
| 376 |
-
driver.set_window_size(initial_width, initial_height)
|
| 377 |
-
file_url = "file://" + tmp_path
|
| 378 |
-
logger.info(f"Navigating to {file_url}")
|
| 379 |
-
driver.get(file_url)
|
| 380 |
-
|
| 381 |
-
# 4) ページ読み込み待機
|
| 382 |
-
logger.info("Waiting for body element...")
|
| 383 |
-
WebDriverWait(driver, 15).until(
|
| 384 |
-
EC.presence_of_element_located((By.TAG_NAME, "body"))
|
| 385 |
-
)
|
| 386 |
-
logger.info("Body element found. Waiting for resource loading...")
|
| 387 |
-
|
| 388 |
-
# 5) 基本的なリソース読み込み待機 - タイムアウト回避
|
| 389 |
-
time.sleep(3)
|
| 390 |
-
|
| 391 |
-
# Font Awesome読み込み確認 - 非同期を使わない
|
| 392 |
-
logger.info("Checking for Font Awesome resources...")
|
| 393 |
-
fa_count = driver.execute_script("""
|
| 394 |
-
var icons = document.querySelectorAll('.fa, .fas, .far, .fab, [class*="fa-"]');
|
| 395 |
-
return icons.length;
|
| 396 |
-
""")
|
| 397 |
-
logger.info(f"Found {fa_count} Font Awesome elements")
|
| 398 |
-
|
| 399 |
-
# リソース読み込み状態を確認
|
| 400 |
-
doc_ready = driver.execute_script("return document.readyState;")
|
| 401 |
-
logger.info(f"Document ready state: {doc_ready}")
|
| 402 |
-
|
| 403 |
-
# Font Awesomeが多い場合は追加待機
|
| 404 |
-
if fa_count > 50:
|
| 405 |
-
logger.info("Many Font Awesome icons detected, waiting additional time")
|
| 406 |
-
time.sleep(2)
|
| 407 |
-
|
| 408 |
-
# 6) コンテンツレンダリングのためのスクロール処理 - 同期的に実行
|
| 409 |
-
logger.info("Performing content rendering scroll...")
|
| 410 |
-
total_height = driver.execute_script("return Math.max(document.body.scrollHeight, document.documentElement.scrollHeight);")
|
| 411 |
-
viewport_height = driver.execute_script("return window.innerHeight;")
|
| 412 |
-
scrolls_needed = max(1, total_height // viewport_height)
|
| 413 |
-
|
| 414 |
-
for i in range(scrolls_needed + 1):
|
| 415 |
-
scroll_pos = i * (viewport_height - 200) # オーバーラップさせる
|
| 416 |
-
driver.execute_script(f"window.scrollTo(0, {scroll_pos});")
|
| 417 |
-
time.sleep(0.2) # 短い待機
|
| 418 |
-
|
| 419 |
-
# トップに戻る
|
| 420 |
-
driver.execute_script("window.scrollTo(0, 0);")
|
| 421 |
-
time.sleep(0.5)
|
| 422 |
-
logger.info("Scroll rendering completed")
|
| 423 |
-
|
| 424 |
-
# 7) スクロールバーを非表示に
|
| 425 |
-
driver.execute_script("""
|
| 426 |
-
document.documentElement.style.overflow = 'hidden';
|
| 427 |
-
document.body.style.overflow = 'hidden';
|
| 428 |
-
""")
|
| 429 |
-
logger.info("Scrollbars hidden")
|
| 430 |
-
|
| 431 |
-
# 8) ページの寸法を取得
|
| 432 |
-
dimensions = driver.execute_script("""
|
| 433 |
-
return {
|
| 434 |
-
width: Math.max(
|
| 435 |
-
document.documentElement.scrollWidth,
|
| 436 |
-
document.documentElement.offsetWidth,
|
| 437 |
-
document.documentElement.clientWidth,
|
| 438 |
-
document.body ? document.body.scrollWidth : 0,
|
| 439 |
-
document.body ? document.body.offsetWidth : 0,
|
| 440 |
-
document.body ? document.body.clientWidth : 0
|
| 441 |
-
),
|
| 442 |
-
height: Math.max(
|
| 443 |
-
document.documentElement.scrollHeight,
|
| 444 |
-
document.documentElement.offsetHeight,
|
| 445 |
-
document.documentElement.clientHeight,
|
| 446 |
-
document.body ? document.body.scrollHeight : 0,
|
| 447 |
-
document.body ? document.body.offsetHeight : 0,
|
| 448 |
-
document.body ? document.body.clientHeight : 0
|
| 449 |
-
)
|
| 450 |
-
};
|
| 451 |
-
""")
|
| 452 |
-
scroll_width = dimensions['width']
|
| 453 |
-
scroll_height = dimensions['height']
|
| 454 |
-
logger.info(f"Detected dimensions: width={scroll_width}, height={scroll_height}")
|
| 455 |
-
|
| 456 |
-
# 再検証 - 短いスクロールで再確認
|
| 457 |
-
driver.execute_script("window.scrollTo(0, document.body.scrollHeight);")
|
| 458 |
-
time.sleep(0.5)
|
| 459 |
-
driver.execute_script("window.scrollTo(0, 0);")
|
| 460 |
-
time.sleep(0.5)
|
| 461 |
-
|
| 462 |
-
dimensions_after = driver.execute_script("return {height: Math.max(document.documentElement.scrollHeight, document.body.scrollHeight)};")
|
| 463 |
-
scroll_height = max(scroll_height, dimensions_after['height'])
|
| 464 |
-
logger.info(f"After scroll check, height={scroll_height}")
|
| 465 |
-
|
| 466 |
-
# 最小/最大値の設定
|
| 467 |
-
scroll_width = max(scroll_width, 100)
|
| 468 |
-
scroll_height = max(scroll_height, 100)
|
| 469 |
-
scroll_width = min(scroll_width, 2000)
|
| 470 |
-
scroll_height = min(scroll_height, 4000)
|
| 471 |
-
|
| 472 |
-
# 9) レイアウト安定化のための単純な待機 - タイムアウト回避
|
| 473 |
-
logger.info("Waiting for layout stabilization...")
|
| 474 |
-
time.sleep(2)
|
| 475 |
-
|
| 476 |
-
# 10) 高さに余白を追加
|
| 477 |
-
adjusted_height = int(scroll_height * (1 + extension_percentage / 100.0))
|
| 478 |
-
adjusted_height = max(adjusted_height, scroll_height, 100)
|
| 479 |
-
logger.info(f"Adjusted height calculated: {adjusted_height} (extension: {extension_percentage}%)")
|
| 480 |
|
| 481 |
-
#
|
| 482 |
-
|
| 483 |
-
|
| 484 |
-
|
| 485 |
-
|
| 486 |
-
|
| 487 |
-
|
| 488 |
-
|
| 489 |
-
|
| 490 |
-
readyState: document.readyState,
|
| 491 |
-
resourcesComplete: !document.querySelector('img:not([complete])') &&
|
| 492 |
-
!document.querySelector('link[rel="stylesheet"]:not([loaded])')
|
| 493 |
-
};
|
| 494 |
-
""")
|
| 495 |
-
logger.info(f"Resource state: {resource_state}")
|
| 496 |
-
|
| 497 |
-
if resource_state['readyState'] != 'complete':
|
| 498 |
-
logger.info("Document still loading, waiting additional time...")
|
| 499 |
-
time.sleep(1)
|
| 500 |
-
|
| 501 |
-
# トップにスクロール
|
| 502 |
-
driver.execute_script("window.scrollTo(0, 0);")
|
| 503 |
-
time.sleep(0.5)
|
| 504 |
-
logger.info("Scrolled to top.")
|
| 505 |
-
|
| 506 |
-
# 12) スクリーンショット取得
|
| 507 |
-
logger.info("Taking screenshot...")
|
| 508 |
-
png = driver.get_screenshot_as_png()
|
| 509 |
-
logger.info("Screenshot taken successfully.")
|
| 510 |
-
|
| 511 |
-
# PIL画像に変換
|
| 512 |
-
img = Image.open(BytesIO(png))
|
| 513 |
-
logger.info(f"Screenshot dimensions: {img.width}x{img.height}")
|
| 514 |
-
|
| 515 |
-
# 余白トリミング
|
| 516 |
-
if trim_whitespace:
|
| 517 |
-
img = trim_image_whitespace(img, threshold=248, padding=20)
|
| 518 |
-
logger.info(f"Trimmed dimensions: {img.width}x{img.height}")
|
| 519 |
-
|
| 520 |
-
return img
|
| 521 |
-
|
| 522 |
-
except Exception as e:
|
| 523 |
-
logger.error(f"Error during screenshot generation: {e}")
|
| 524 |
-
return Image.new('RGB', (1, 1), color=(0, 0, 0))
|
| 525 |
-
finally:
|
| 526 |
-
logger.info("Cleaning up...")
|
| 527 |
-
if driver:
|
| 528 |
-
try:
|
| 529 |
-
driver.quit()
|
| 530 |
-
logger.info("WebDriver quit successfully.")
|
| 531 |
-
except Exception as e:
|
| 532 |
-
logger.error(f"Error quitting WebDriver: {e}")
|
| 533 |
-
if tmp_path and os.path.exists(tmp_path):
|
| 534 |
-
try:
|
| 535 |
-
os.remove(tmp_path)
|
| 536 |
-
logger.info(f"Temporary file {tmp_path} removed.")
|
| 537 |
-
except Exception as e:
|
| 538 |
-
logger.error(f"Error removing temporary file {tmp_path}: {e}")
|
| 539 |
-
|
| 540 |
-
# --- Geminiを使った新しい関数 ---
|
| 541 |
-
def text_to_screenshot(text: str, extension_percentage: float, temperature: float = 0.3,
|
| 542 |
-
trim_whitespace: bool = True, style: str = "standard") -> Image.Image:
|
| 543 |
-
"""テキストをGemini APIでHTMLに変換し、スクリーンショットを生成する統合関数"""
|
| 544 |
-
try:
|
| 545 |
-
# 1. テキストからHTMLを生成(温度パラメータとスタイルも渡す)
|
| 546 |
-
html_code = generate_html_from_text(text, temperature, style)
|
| 547 |
-
|
| 548 |
-
# 2. HTMLからスクリーンショットを生成
|
| 549 |
-
return render_fullpage_screenshot(html_code, extension_percentage, trim_whitespace)
|
| 550 |
-
except Exception as e:
|
| 551 |
-
logger.error(f"テキストからスクリーンショット生成中にエラーが発生: {e}", exc_info=True)
|
| 552 |
-
return Image.new('RGB', (1, 1), color=(0, 0, 0)) # エラー時は黒画像
|
| 553 |
-
|
| 554 |
-
# --- FastAPI Setup ---
|
| 555 |
-
app = FastAPI()
|
| 556 |
-
|
| 557 |
-
# CORS設定を追加
|
| 558 |
-
app.add_middleware(
|
| 559 |
-
CORSMiddleware,
|
| 560 |
-
allow_origins=["*"],
|
| 561 |
-
allow_credentials=True,
|
| 562 |
-
allow_methods=["*"],
|
| 563 |
-
allow_headers=["*"],
|
| 564 |
-
)
|
| 565 |
-
|
| 566 |
-
# 静的ファイルのサービング設定
|
| 567 |
-
# Gradioのディレクトリを探索してアセットを見つける
|
| 568 |
-
gradio_dir = os.path.dirname(gr.__file__)
|
| 569 |
-
logger.info(f"Gradio version: {gr.__version__}")
|
| 570 |
-
logger.info(f"Gradio directory: {gradio_dir}")
|
| 571 |
-
|
| 572 |
-
# 基本的な静的ファイルディレクトリをマウント
|
| 573 |
-
static_dir = os.path.join(gradio_dir, "templates", "frontend", "static")
|
| 574 |
-
if os.path.exists(static_dir):
|
| 575 |
-
logger.info(f"Mounting static directory: {static_dir}")
|
| 576 |
-
app.mount("/static", StaticFiles(directory=static_dir), name="static")
|
| 577 |
-
|
| 578 |
-
# _appディレクトリを探す(新しいSvelteKitベースのフロントエンド用)
|
| 579 |
-
app_dir = os.path.join(gradio_dir, "templates", "frontend", "_app")
|
| 580 |
-
if os.path.exists(app_dir):
|
| 581 |
-
logger.info(f"Mounting _app directory: {app_dir}")
|
| 582 |
-
app.mount("/_app", StaticFiles(directory=app_dir), name="_app")
|
| 583 |
-
|
| 584 |
-
# assetsディレクトリを探す
|
| 585 |
-
assets_dir = os.path.join(gradio_dir, "templates", "frontend", "assets")
|
| 586 |
-
if os.path.exists(assets_dir):
|
| 587 |
-
logger.info(f"Mounting assets directory: {assets_dir}")
|
| 588 |
-
app.mount("/assets", StaticFiles(directory=assets_dir), name="assets")
|
| 589 |
-
|
| 590 |
-
# cdnディレクトリがあれば追加
|
| 591 |
-
cdn_dir = os.path.join(gradio_dir, "templates", "cdn")
|
| 592 |
-
if os.path.exists(cdn_dir):
|
| 593 |
-
logger.info(f"Mounting cdn directory: {cdn_dir}")
|
| 594 |
-
app.mount("/cdn", StaticFiles(directory=cdn_dir), name="cdn")
|
| 595 |
-
|
| 596 |
-
# API Endpoint for screenshot generation
|
| 597 |
-
@app.post("/api/screenshot",
|
| 598 |
-
response_class=StreamingResponse,
|
| 599 |
-
tags=["Screenshot"],
|
| 600 |
-
summary="Render HTML to Full Page Screenshot",
|
| 601 |
-
description="Takes HTML code and an optional vertical extension percentage, renders it using a headless browser, and returns the full-page screenshot as a PNG image.")
|
| 602 |
-
async def api_render_screenshot(request: ScreenshotRequest):
|
| 603 |
-
"""
|
| 604 |
-
API endpoint to render HTML and return a screenshot.
|
| 605 |
-
"""
|
| 606 |
-
try:
|
| 607 |
-
logger.info(f"API request received. Extension: {request.extension_percentage}%")
|
| 608 |
-
# Run the blocking Selenium code in a separate thread (FastAPI handles this)
|
| 609 |
-
pil_image = render_fullpage_screenshot(
|
| 610 |
-
request.html_code,
|
| 611 |
-
request.extension_percentage,
|
| 612 |
-
request.trim_whitespace
|
| 613 |
-
)
|
| 614 |
-
|
| 615 |
-
if pil_image.size == (1, 1):
|
| 616 |
-
logger.error("Screenshot generation failed, returning 1x1 image.")
|
| 617 |
-
# Optionally return a proper error response instead of 1x1 image
|
| 618 |
-
# raise HTTPException(status_code=500, detail="Failed to generate screenshot")
|
| 619 |
-
|
| 620 |
-
# Convert PIL Image to PNG bytes
|
| 621 |
-
img_byte_arr = BytesIO()
|
| 622 |
-
pil_image.save(img_byte_arr, format='PNG')
|
| 623 |
-
img_byte_arr.seek(0) # Go to the start of the BytesIO buffer
|
| 624 |
-
|
| 625 |
-
logger.info("Returning screenshot as PNG stream.")
|
| 626 |
-
return StreamingResponse(img_byte_arr, media_type="image/png")
|
| 627 |
|
| 628 |
-
|
| 629 |
-
|
| 630 |
-
raise HTTPException(status_code=500, detail=f"Internal Server Error: {e}")
|
| 631 |
|
| 632 |
-
|
| 633 |
-
|
| 634 |
-
|
| 635 |
-
|
| 636 |
-
|
| 637 |
-
|
| 638 |
-
|
| 639 |
-
|
| 640 |
-
|
| 641 |
-
"""
|
| 642 |
-
try:
|
| 643 |
-
logger.info(f"テキスト→スクリーンショットAPIリクエスト受信。テキスト長さ: {len(request.text)}, "
|
| 644 |
-
f"拡張率: {request.extension_percentage}%, 温度: {request.temperature}, "
|
| 645 |
-
f"スタイル: {request.style}")
|
| 646 |
-
|
| 647 |
-
# テキストからHTMLを生成してスクリーンショットを作成(温度パラメータとスタイルも渡す)
|
| 648 |
-
pil_image = text_to_screenshot(
|
| 649 |
-
request.text,
|
| 650 |
-
request.extension_percentage,
|
| 651 |
-
request.temperature,
|
| 652 |
-
request.trim_whitespace,
|
| 653 |
-
request.style
|
| 654 |
)
|
| 655 |
|
| 656 |
-
|
| 657 |
-
|
| 658 |
-
|
| 659 |
-
|
| 660 |
-
|
| 661 |
-
|
| 662 |
-
|
| 663 |
-
|
| 664 |
-
|
| 665 |
-
|
| 666 |
-
|
| 667 |
|
| 668 |
except Exception as e:
|
| 669 |
-
logger.error(f"
|
| 670 |
-
raise
|
| 671 |
-
|
| 672 |
-
# --- Gradio Interface Definition ---
|
| 673 |
-
# 入力モードの選択用Radioコンポーネント
|
| 674 |
-
def process_input(input_mode, input_text, extension_percentage, temperature, trim_whitespace, style):
|
| 675 |
-
"""入力モードに応じて適切な処理を行う"""
|
| 676 |
-
if input_mode == "HTML入力":
|
| 677 |
-
# HTMLモードの場合は既存の処理(スタイルは使わない)
|
| 678 |
-
return render_fullpage_screenshot(input_text, extension_percentage, trim_whitespace)
|
| 679 |
-
else:
|
| 680 |
-
# テキスト入力モードの場合はGemini APIを使用
|
| 681 |
-
return text_to_screenshot(input_text, extension_percentage, temperature, trim_whitespace, style)
|
| 682 |
-
|
| 683 |
-
# Gradio UIの定義
|
| 684 |
-
with gr.Blocks(title="Full Page Screenshot (テキスト変換対応)", theme=gr.themes.Base()) as iface:
|
| 685 |
-
gr.Markdown("# HTMLビューア & テキスト→インフォグラフィック変換")
|
| 686 |
-
gr.Markdown("HTMLコードをレンダリングするか、テキストをGemini APIでインフォグラフィックに変換して画像として取得します。")
|
| 687 |
-
|
| 688 |
-
with gr.Row():
|
| 689 |
-
input_mode = gr.Radio(
|
| 690 |
-
["HTML入力", "テキスト入力"],
|
| 691 |
-
label="入力モード",
|
| 692 |
-
value="HTML入力"
|
| 693 |
-
)
|
| 694 |
-
|
| 695 |
-
# 共用のテキストボックス
|
| 696 |
-
input_text = gr.Textbox(
|
| 697 |
-
lines=15,
|
| 698 |
-
label="入力",
|
| 699 |
-
placeholder="HTMLコードまたはテキストを入力してください。入力モードに応じて処理されます。"
|
| 700 |
-
)
|
| 701 |
-
|
| 702 |
-
with gr.Row():
|
| 703 |
-
with gr.Column(scale=1):
|
| 704 |
-
# スタイル選択ドロップダウン
|
| 705 |
-
style_dropdown = gr.Dropdown(
|
| 706 |
-
choices=["standard", "cute", "resort", "cool", "dental"],
|
| 707 |
-
value="standard",
|
| 708 |
-
label="デザインスタイル",
|
| 709 |
-
info="テキスト→HTML変換時のデザインテーマを選択します",
|
| 710 |
-
visible=False # テキスト入力モードの時だけ表示
|
| 711 |
-
)
|
| 712 |
-
|
| 713 |
-
with gr.Column(scale=2):
|
| 714 |
-
extension_percentage = gr.Slider(
|
| 715 |
-
minimum=0,
|
| 716 |
-
maximum=30,
|
| 717 |
-
step=1.0,
|
| 718 |
-
value=10, # デフォルト値10%
|
| 719 |
-
label="上下高さ拡張率(%)"
|
| 720 |
-
)
|
| 721 |
-
|
| 722 |
-
# 温度調整スライダー(テキストモード時のみ表示)
|
| 723 |
-
temperature = gr.Slider(
|
| 724 |
-
minimum=0.0,
|
| 725 |
-
maximum=1.0,
|
| 726 |
-
step=0.1,
|
| 727 |
-
value=0.5, # デフォルト値を0.5に設定
|
| 728 |
-
label="生成時の温度(低い=一貫性高、高い=創造性高)",
|
| 729 |
-
visible=False # 最初は非表示
|
| 730 |
-
)
|
| 731 |
-
|
| 732 |
-
# 余白トリミングオプション
|
| 733 |
-
trim_whitespace = gr.Checkbox(
|
| 734 |
-
label="余白を自動トリミング",
|
| 735 |
-
value=True,
|
| 736 |
-
info="生成される画像から余分な空白領域を自動的に削除します"
|
| 737 |
-
)
|
| 738 |
-
|
| 739 |
-
submit_btn = gr.Button("生成")
|
| 740 |
-
output_image = gr.Image(type="pil", label="ページ全体のスクリーンショット")
|
| 741 |
-
|
| 742 |
-
# 入力モード変更時のイベント処理(テキストモード時のみ温度スライダーとスタイルドロップダウンを表示)
|
| 743 |
-
def update_controls_visibility(mode):
|
| 744 |
-
# Gradio 4.x用のアップデート方法
|
| 745 |
-
is_text_mode = mode == "テキスト入力"
|
| 746 |
-
return [
|
| 747 |
-
{"visible": is_text_mode, "__type__": "update"}, # temperature
|
| 748 |
-
{"visible": is_text_mode, "__type__": "update"}, # style_dropdown
|
| 749 |
-
]
|
| 750 |
-
|
| 751 |
-
input_mode.change(
|
| 752 |
-
fn=update_controls_visibility,
|
| 753 |
-
inputs=input_mode,
|
| 754 |
-
outputs=[temperature, style_dropdown]
|
| 755 |
-
)
|
| 756 |
-
|
| 757 |
-
# 生成ボタンクリック時のイベント処理
|
| 758 |
-
submit_btn.click(
|
| 759 |
-
fn=process_input,
|
| 760 |
-
inputs=[input_mode, input_text, extension_percentage, temperature, trim_whitespace, style_dropdown],
|
| 761 |
-
outputs=output_image
|
| 762 |
-
)
|
| 763 |
-
|
| 764 |
-
# 環境変数情報を表示
|
| 765 |
-
gemini_model = os.environ.get("GEMINI_MODEL", "gemini-1.5-pro")
|
| 766 |
-
gr.Markdown(f"""
|
| 767 |
-
## APIエンドポイント
|
| 768 |
-
- `/api/screenshot` - HTMLコードからスクリーンショットを生成
|
| 769 |
-
- `/api/text-to-screenshot` - テキストからインフォグラフィックスクリーンショットを生成
|
| 770 |
-
|
| 771 |
-
## 設定情報
|
| 772 |
-
- 使用モデル: {gemini_model} (環境変数 GEMINI_MODEL で変更可能)
|
| 773 |
-
- 対応スタイル: standard, cute, resort, cool, dental
|
| 774 |
-
""")
|
| 775 |
-
|
| 776 |
-
# --- Mount Gradio App onto FastAPI ---
|
| 777 |
-
app = gr.mount_gradio_app(app, iface, path="/")
|
| 778 |
-
|
| 779 |
-
# --- Run with Uvicorn (for local testing) ---
|
| 780 |
-
if __name__ == "__main__":
|
| 781 |
-
import uvicorn
|
| 782 |
-
logger.info("Starting Uvicorn server for local development...")
|
| 783 |
-
uvicorn.run(app, host="0.0.0.0", port=7860)
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|
| 1 |
def generate_html_from_text(text, temperature=0.3, style="standard"):
|
| 2 |
+
"""テキストからHTMLを生成して返す"""
|
| 3 |
try:
|
|
|
|
| 4 |
api_key = os.environ.get("GEMINI_API_KEY")
|
| 5 |
if not api_key:
|
|
|
|
| 6 |
raise ValueError("GEMINI_API_KEY 環境変数が設定されていません")
|
| 7 |
+
|
|
|
|
| 8 |
model_name = os.environ.get("GEMINI_MODEL", "gemini-1.5-pro")
|
| 9 |
logger.info(f"使用するGeminiモデル: {model_name}")
|
|
|
|
|
|
|
| 10 |
genai.configure(api_key=api_key)
|
| 11 |
+
|
|
|
|
| 12 |
system_instruction = load_system_instruction(style)
|
| 13 |
+
|
| 14 |
+
# --- 共通の生成パラメータ ---
|
| 15 |
+
base_cfg = {
|
| 16 |
+
"temperature": temperature,
|
| 17 |
+
"top_p": 0.7,
|
| 18 |
+
"top_k": 20,
|
|
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|
| 19 |
"max_output_tokens": 8192,
|
| 20 |
+
"candidate_count": 1,
|
| 21 |
}
|
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|
| 22 |
|
| 23 |
+
# --- 2.5 Flash だけ thinking_budget=0 を追加 ---
|
| 24 |
+
if model_name == "gemini-2.5-flash-preview-04-17":
|
| 25 |
+
logger.info("thinking_budget=0 を設定します")
|
| 26 |
+
cfg = genai.types.GenerateContentConfig(
|
| 27 |
+
**base_cfg,
|
| 28 |
+
thinking_config=genai.types.ThinkingConfig(thinking_budget=0)
|
| 29 |
+
)
|
| 30 |
+
else:
|
| 31 |
+
cfg = genai.types.GenerateContentConfig(**base_cfg)
|
|
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|
| 32 |
|
| 33 |
+
model = genai.GenerativeModel(model_name)
|
| 34 |
+
prompt = f"{system_instruction}\n\n{text}"
|
|
|
|
| 35 |
|
| 36 |
+
response = model.generate_content(
|
| 37 |
+
prompt,
|
| 38 |
+
config=cfg,
|
| 39 |
+
safety_settings=[
|
| 40 |
+
{"category": "HARM_CATEGORY_HARASSMENT", "threshold": "BLOCK_MEDIUM_AND_ABOVE"},
|
| 41 |
+
{"category": "HARM_CATEGORY_HATE_SPEECH", "threshold": "BLOCK_MEDIUM_AND_ABOVE"},
|
| 42 |
+
{"category": "HARM_CATEGORY_SEXUALLY_EXPLICIT", "threshold": "BLOCK_MEDIUM_AND_ABOVE"},
|
| 43 |
+
{"category": "HARM_CATEGORY_DANGEROUS_CONTENT", "threshold": "BLOCK_MEDIUM_AND_ABOVE"},
|
| 44 |
+
],
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|
| 45 |
)
|
| 46 |
|
| 47 |
+
# --- レスポンス処理は元コードと同じ ---
|
| 48 |
+
raw = response.text
|
| 49 |
+
start = raw.find("```html")
|
| 50 |
+
end = raw.rfind("```")
|
| 51 |
+
if start != -1 and end != -1 and start < end:
|
| 52 |
+
html = raw[start + 7:end].strip()
|
| 53 |
+
html = enhance_font_awesome_layout(html)
|
| 54 |
+
return html
|
| 55 |
+
else:
|
| 56 |
+
logger.warning("```html``` タグが見つからず。全文を返します")
|
| 57 |
+
return raw
|
| 58 |
|
| 59 |
except Exception as e:
|
| 60 |
+
logger.error(f"HTML生成中にエラー: {e}", exc_info=True)
|
| 61 |
+
raise Exception(f"Gemini APIでのHTML生成に失敗しました: {e}")
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