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Update app.py
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app.py
CHANGED
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@@ -1,3 +1,4 @@
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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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@@ -9,6 +10,8 @@ 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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@@ -49,40 +52,40 @@ def enhance_font_awesome_layout(html_code):
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margin-right: 8px !important;
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vertical-align: middle !important;
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}
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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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-
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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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-
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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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-
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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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-
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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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-
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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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@@ -90,7 +93,7 @@ def enhance_font_awesome_layout(html_code):
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}
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</style>
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"""
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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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@@ -103,7 +106,7 @@ def enhance_font_awesome_layout(html_code):
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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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-
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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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@@ -115,15 +118,15 @@ def generate_html_from_text(text, temperature=0.3):
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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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-
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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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-
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# Gemini APIの設定
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genai.configure(api_key=api_key)
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-
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#
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system_instruction = """# グラフィックレコーディング風インフォグラフィック変換プロンプト V2
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## 目的
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以下の内容を、超一流デザイナーが作成したような、日本語で完璧なグラフィックレコーディング風のHTMLインフォグラフィックに変換してください。情報設計とビジュアルデザインの両面で最高水準を目指します。
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@@ -231,156 +234,102 @@ def generate_html_from_text(text, temperature=0.3):
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- フッターに出典情報と関連するFont Awesomeアイコン(fa-book, fa-citation等)を明記
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## 変換する文章/記事
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ーーー<ユーザーが入力(または添付)>ーーー"""
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-
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# モデルを初期化して処理
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logger.info(f"Gemini APIにリクエストを送信: テキスト長さ = {len(text)}, 温度 = {temperature}")
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-
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# モデル初期化とフォールバック処理
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try:
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model = genai.GenerativeModel(model_name)
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except Exception as e:
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# 指定されたモデルが使用できない場合はフォールバック
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fallback_model = "gemini-pro"
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logger.warning(f"{model_name}が利用できません: {e}, フォールバックモデル{fallback_model}を使用します")
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model = genai.GenerativeModel(fallback_model)
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-
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# 生成設定
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generation_config = {
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"temperature": temperature,
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"top_p": 0.7,
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"top_k": 20,
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"max_output_tokens": 8192,
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"candidate_count": 1
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}
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-
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# 安全設定
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safety_settings = [
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{
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-
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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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-
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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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-
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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(```html と ``` の間)
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html_start = raw_response.find("```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_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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-
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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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-
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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```html```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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-
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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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-
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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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-
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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:
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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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-
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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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# --- Core Screenshot Logic ---
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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 (e.g., 4 means 4% total).
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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. Returns a 1x1 black image on error.
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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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logger.info(f"HTML saved to temporary file: {tmp_path}")
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except Exception as e:
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logger.error(f"Error writing temporary HTML file: {e}")
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return Image.new('RGB', (1, 1), color=(0, 0, 0))
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# 2) Headless Chrome(
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options = Options()
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options.add_argument("--headless")
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options.add_argument("--no-sandbox")
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options.add_argument("--disable-dev-shm-usage")
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options.add_argument("--force-device-scale-factor=1")
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# Font Awesomeが読み込まれない場合があるため、読み込み待機時間を長く設定
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options.add_argument("--disable-features=NetworkService")
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options.add_argument("--dns-prefetch-disable")
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driver = webdriver.Chrome(options=options)
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logger.info("WebDriver initialized.")
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# 3)
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initial_width = 1200
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initial_height = 1000
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driver.set_window_size(initial_width, initial_height)
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file_url = "file://" + tmp_path
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logger.info(f"Navigating to {file_url}")
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driver.get(file_url)
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# 4) Wait for
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logger.info("Waiting for body element...")
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WebDriverWait(driver, 15).until(
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EC.presence_of_element_located((By.TAG_NAME, "body"))
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)
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logger.info("Body element found. Waiting for potential resource loading...")
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# 5) Font Awesomeと外部リソースの読み込み完了を確認
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try:
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# Font Awesomeと外部リソースの読み込み完了を確認するスクリプト
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resource_check_script = """
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return
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setTimeout(resolve,
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}
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} else {
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document.fonts.ready.then(() => setTimeout(resolve, 500));
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}
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};
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// DOMContentLoadedまたはloadイベント後にチェック
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if (document.readyState === 'complete') {
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checkFontAwesome();
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} else {
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window.addEventListener('load', checkFontAwesome);
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}
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});
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"""
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logger.info("Waiting for Font Awesome and other resources to load...")
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driver.set_script_timeout(15)
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logger.info("Resources loaded successfully")
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except
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logger.warning(f"Resource loading check failed: {e}. Using fallback wait.")
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time.sleep(8)
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try:
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scroll_script = """
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return
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"""
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logger.info("Ensuring all content is rendered...")
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driver.
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try:
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driver.execute_script(
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"document.documentElement.style.overflow = 'hidden';"
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except Exception as e:
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logger.warning(f"Could not hide scrollbars via JS: {e}")
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# 8) Get full page dimensions
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try:
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# より正確なページ寸法を取得するためのJavaScriptコード
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dimensions_script = """
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return {
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width: Math.max(
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document.documentElement.scrollWidth,
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document.documentElement.offsetWidth,
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document.documentElement.clientWidth,
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document.body ? document.body.scrollWidth : 0,
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document.body ? document.body.offsetWidth : 0,
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document.body ? document.body.clientWidth : 0
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),
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height: Math.max(
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document.documentElement.scrollHeight,
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document.documentElement.offsetHeight,
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document.documentElement.clientHeight,
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document.body ? document.body.scrollHeight : 0,
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document.body ? document.body.offsetHeight : 0,
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document.body ? document.body.clientHeight : 0
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)
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};
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"""
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dimensions = driver.execute_script(dimensions_script)
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scroll_width = dimensions['width']
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scroll_height = dimensions['height']
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-
|
| 539 |
logger.info(f"Detected dimensions: width={scroll_width}, height={scroll_height}")
|
| 540 |
-
|
| 541 |
-
#
|
| 542 |
-
|
| 543 |
-
|
| 544 |
-
|
| 545 |
-
|
| 546 |
-
|
| 547 |
-
|
| 548 |
-
|
| 549 |
-
|
| 550 |
-
|
| 551 |
-
|
| 552 |
-
|
| 553 |
-
|
| 554 |
-
|
| 555 |
-
|
| 556 |
-
|
| 557 |
-
scroll_width = min(scroll_width, 2000) # 最大幅
|
| 558 |
-
scroll_height = min(scroll_height, 4000) # 最大高さ
|
| 559 |
|
| 560 |
except Exception as e:
|
| 561 |
logger.error(f"Error getting page dimensions: {e}")
|
| 562 |
-
# フォールバックとしてデフォルト値を設定
|
| 563 |
scroll_width = 1200
|
| 564 |
scroll_height = 1000
|
| 565 |
logger.warning(f"Falling back to dimensions: width={scroll_width}, height={scroll_height}")
|
| 566 |
-
|
| 567 |
-
# 9)
|
| 568 |
try:
|
| 569 |
stability_script = """
|
| 570 |
-
return
|
| 571 |
-
|
| 572 |
-
|
| 573 |
-
|
| 574 |
-
|
| 575 |
-
|
| 576 |
-
|
| 577 |
-
|
| 578 |
-
|
| 579 |
-
|
| 580 |
-
|
| 581 |
-
|
| 582 |
-
|
| 583 |
-
|
| 584 |
-
|
| 585 |
-
// body要素が存在し、offsetHeight/offsetWidthが利用可能かチェック
|
| 586 |
-
const bodyExists = document.body && typeof document.body.offsetHeight === 'number' && typeof document.body.offsetWidth === 'number';
|
| 587 |
-
|
| 588 |
-
if (!bodyExists) {
|
| 589 |
-
// bodyがまだ利用できない場合、少し待って再試行
|
| 590 |
-
console.warn('Document body not fully available yet for stability check.');
|
| 591 |
-
setTimeout(checkStability, 250); // 待機時間を少し長くする
|
| 592 |
-
return;
|
| 593 |
-
}
|
| 594 |
-
|
| 595 |
-
const currentHeight = document.body.offsetHeight;
|
| 596 |
-
const currentWidth = document.body.offsetWidth;
|
| 597 |
-
|
| 598 |
-
// サイズが0の場合も不安定とみなす(初期化中など)
|
| 599 |
-
if (currentHeight === 0 || currentWidth === 0) {
|
| 600 |
-
stableCount = 0; // カウントリセット
|
| 601 |
-
lastHeight = 0; // 前回値もリセット
|
| 602 |
-
lastWidth = 0;
|
| 603 |
-
console.warn('Body dimensions are zero, waiting...');
|
| 604 |
-
setTimeout(checkStability, 250); // 再試行
|
| 605 |
-
return;
|
| 606 |
-
}
|
| 607 |
|
| 608 |
-
|
| 609 |
-
|
| 610 |
-
|
| 611 |
-
|
| 612 |
-
resolve(true); // 安定した
|
| 613 |
return;
|
| 614 |
}
|
| 615 |
-
} else {
|
| 616 |
-
stableCount = 0; // サイズが変わったらリセット
|
| 617 |
-
lastHeight = currentHeight;
|
| 618 |
-
lastWidth = currentWidth;
|
| 619 |
-
console.log(`Layout changed: ${lastWidth}x${lastHeight}. Resetting stability count.`);
|
| 620 |
-
}
|
| 621 |
|
| 622 |
-
|
| 623 |
-
|
| 624 |
-
};
|
| 625 |
|
| 626 |
-
|
| 627 |
-
|
| 628 |
-
|
| 629 |
-
|
| 630 |
-
|
|
|
|
|
|
|
|
|
|
| 631 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 632 |
logger.info("Checking layout stability...")
|
| 633 |
-
# 非同期スクリプトのタイムアウトを設定 (例: 20秒)
|
| 634 |
driver.set_script_timeout(20)
|
| 635 |
-
|
|
|
|
|
|
|
| 636 |
|
| 637 |
if stable:
|
| 638 |
logger.info("Layout is stable")
|
| 639 |
else:
|
| 640 |
-
# 安定しなかった場合も警告を出す
|
| 641 |
logger.warning("Layout did not stabilize within the expected time. Proceeding anyway.")
|
| 642 |
-
time.sleep(2)
|
| 643 |
|
| 644 |
except TimeoutException:
|
| 645 |
-
# スクリプト実行がタイムアウトした場合
|
| 646 |
logger.warning("Layout stability check timed out. Proceeding anyway.")
|
| 647 |
-
time.sleep(2)
|
|
|
|
|
|
|
|
|
|
| 648 |
except Exception as e:
|
| 649 |
-
|
| 650 |
-
|
| 651 |
-
time.sleep(2) # エラー時も待機して続行
|
| 652 |
|
| 653 |
-
# 10) Calculate adjusted height
|
| 654 |
adjusted_height = int(scroll_height * (1 + extension_percentage / 100.0))
|
| 655 |
-
|
| 656 |
-
adjusted_height = max(adjusted_height, scroll_height, 100) # 最小高さを確保
|
| 657 |
logger.info(f"Adjusted height calculated: {adjusted_height} (extension: {extension_percentage}%)")
|
| 658 |
|
| 659 |
-
# 11) Set window size
|
| 660 |
adjusted_width = scroll_width
|
| 661 |
logger.info(f"Resizing window to: width={adjusted_width}, height={adjusted_height}")
|
| 662 |
driver.set_window_size(adjusted_width, adjusted_height)
|
| 663 |
logger.info("Waiting for layout stabilization after resize...")
|
| 664 |
-
|
| 665 |
-
# レイアウト安定化のための待機
|
| 666 |
-
time.sleep(4) # 統一した待機時間
|
| 667 |
|
| 668 |
-
#
|
| 669 |
try:
|
| 670 |
resource_state = driver.execute_script("""
|
| 671 |
return {
|
| 672 |
readyState: document.readyState,
|
| 673 |
-
resourcesComplete: !document.querySelector('img:not([complete])') &&
|
| 674 |
!document.querySelector('link[rel="stylesheet"]:not([loaded])')
|
| 675 |
};
|
| 676 |
""")
|
| 677 |
logger.info(f"Resource state: {resource_state}")
|
| 678 |
-
|
| 679 |
-
# ドキュメントの読み込みが完了していない場合、追加で待機
|
| 680 |
if resource_state['readyState'] != 'complete':
|
| 681 |
logger.info("Document still loading, waiting additional time...")
|
| 682 |
time.sleep(2)
|
| 683 |
except Exception as e:
|
| 684 |
logger.warning(f"Error checking resource state: {e}")
|
| 685 |
|
| 686 |
-
# Scroll to top
|
| 687 |
try:
|
| 688 |
driver.execute_script("window.scrollTo(0, 0)")
|
| 689 |
time.sleep(1)
|
|
@@ -691,28 +638,20 @@ def render_fullpage_screenshot(html_code: str, extension_percentage: float = 6.0
|
|
| 691 |
except Exception as e:
|
| 692 |
logger.warning(f"Could not scroll to top: {e}")
|
| 693 |
|
| 694 |
-
# 12) Take screenshot
|
| 695 |
logger.info("Taking screenshot...")
|
| 696 |
png = driver.get_screenshot_as_png()
|
| 697 |
logger.info("Screenshot taken successfully.")
|
| 698 |
-
|
| 699 |
-
# Convert to PIL Image
|
| 700 |
img = Image.open(BytesIO(png))
|
| 701 |
-
|
| 702 |
-
# 画像サイズの確認とログ
|
| 703 |
logger.info(f"Screenshot dimensions: {img.width}x{img.height}")
|
| 704 |
-
|
| 705 |
-
# 余白トリミングが有効な場合
|
| 706 |
if trim_whitespace:
|
| 707 |
-
# 余分な空白をトリミング
|
| 708 |
img = trim_image_whitespace(img, threshold=248, padding=20)
|
| 709 |
logger.info(f"Trimmed dimensions: {img.width}x{img.height}")
|
| 710 |
-
|
| 711 |
return img
|
| 712 |
|
| 713 |
except Exception as e:
|
| 714 |
logger.error(f"An error occurred during screenshot generation: {e}", exc_info=True)
|
| 715 |
-
return Image.new('RGB', (1, 1), color=(0, 0, 0))
|
| 716 |
finally:
|
| 717 |
logger.info("Cleaning up...")
|
| 718 |
if driver:
|
|
@@ -728,23 +667,17 @@ def render_fullpage_screenshot(html_code: str, extension_percentage: float = 6.0
|
|
| 728 |
except Exception as e:
|
| 729 |
logger.error(f"Error removing temporary file {tmp_path}: {e}")
|
| 730 |
|
| 731 |
-
# --- Geminiを使った新しい関数 ---
|
| 732 |
def text_to_screenshot(text: str, extension_percentage: float, temperature: float = 0.3, trim_whitespace: bool = True) -> Image.Image:
|
| 733 |
-
"""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"""
|
| 734 |
try:
|
| 735 |
-
# 1. テキストからHTMLを生成(温度パラメータも渡す)
|
| 736 |
html_code = generate_html_from_text(text, temperature)
|
| 737 |
-
|
| 738 |
-
# 2. HTMLからスクリーンショットを生成
|
| 739 |
return render_fullpage_screenshot(html_code, extension_percentage, trim_whitespace)
|
| 740 |
except Exception as e:
|
| 741 |
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)
|
| 742 |
-
return Image.new('RGB', (1, 1), color=(0, 0, 0))
|
| 743 |
|
| 744 |
-
# --- FastAPI Setup ---
|
| 745 |
app = FastAPI()
|
| 746 |
-
|
| 747 |
-
# CORS設定を追加
|
| 748 |
app.add_middleware(
|
| 749 |
CORSMiddleware,
|
| 750 |
allow_origins=["*"],
|
|
@@ -752,203 +685,107 @@ app.add_middleware(
|
|
| 752 |
allow_methods=["*"],
|
| 753 |
allow_headers=["*"],
|
| 754 |
)
|
| 755 |
-
|
| 756 |
-
# 静的ファイルのサービング設定
|
| 757 |
-
# Gradioのディレクトリを探索してアセットを見つける
|
| 758 |
gradio_dir = os.path.dirname(gr.__file__)
|
| 759 |
logger.info(f"Gradio version: {gr.__version__}")
|
| 760 |
logger.info(f"Gradio directory: {gradio_dir}")
|
| 761 |
-
|
| 762 |
-
# 基本的な静的ファイルディレクトリをマウント
|
| 763 |
static_dir = os.path.join(gradio_dir, "templates", "frontend", "static")
|
| 764 |
if os.path.exists(static_dir):
|
| 765 |
logger.info(f"Mounting static directory: {static_dir}")
|
| 766 |
app.mount("/static", StaticFiles(directory=static_dir), name="static")
|
| 767 |
-
|
| 768 |
-
# _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)
|
| 769 |
app_dir = os.path.join(gradio_dir, "templates", "frontend", "_app")
|
| 770 |
if os.path.exists(app_dir):
|
| 771 |
logger.info(f"Mounting _app directory: {app_dir}")
|
| 772 |
app.mount("/_app", StaticFiles(directory=app_dir), name="_app")
|
| 773 |
-
|
| 774 |
-
# assetsディレクトリを探す
|
| 775 |
assets_dir = os.path.join(gradio_dir, "templates", "frontend", "assets")
|
| 776 |
if os.path.exists(assets_dir):
|
| 777 |
logger.info(f"Mounting assets directory: {assets_dir}")
|
| 778 |
app.mount("/assets", StaticFiles(directory=assets_dir), name="assets")
|
| 779 |
-
|
| 780 |
-
# cdnディレクトリがあれば追加
|
| 781 |
cdn_dir = os.path.join(gradio_dir, "templates", "cdn")
|
| 782 |
if os.path.exists(cdn_dir):
|
| 783 |
logger.info(f"Mounting cdn directory: {cdn_dir}")
|
| 784 |
app.mount("/cdn", StaticFiles(directory=cdn_dir), name="cdn")
|
| 785 |
|
| 786 |
-
# API Endpoint for screenshot generation
|
| 787 |
-
@app.post("/api/screenshot",
|
| 788 |
-
response_class=StreamingResponse,
|
| 789 |
-
tags=["Screenshot"],
|
| 790 |
-
summary="Render HTML to Full Page Screenshot",
|
| 791 |
-
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.")
|
| 792 |
async def api_render_screenshot(request: ScreenshotRequest):
|
| 793 |
-
"""
|
| 794 |
-
API endpoint to render HTML and return a screenshot.
|
| 795 |
-
"""
|
| 796 |
try:
|
| 797 |
logger.info(f"API request received. Extension: {request.extension_percentage}%")
|
| 798 |
-
# Run the blocking Selenium code in a separate thread (FastAPI handles this)
|
| 799 |
pil_image = render_fullpage_screenshot(
|
| 800 |
request.html_code,
|
| 801 |
request.extension_percentage,
|
| 802 |
request.trim_whitespace
|
| 803 |
)
|
| 804 |
-
|
| 805 |
if pil_image.size == (1, 1):
|
| 806 |
logger.error("Screenshot generation failed, returning 1x1 image.")
|
| 807 |
-
# Optionally return a proper error response instead of 1x1 image
|
| 808 |
-
# raise HTTPException(status_code=500, detail="Failed to generate screenshot")
|
| 809 |
-
|
| 810 |
-
# Convert PIL Image to PNG bytes
|
| 811 |
img_byte_arr = BytesIO()
|
| 812 |
pil_image.save(img_byte_arr, format='PNG')
|
| 813 |
-
img_byte_arr.seek(0)
|
| 814 |
-
|
| 815 |
logger.info("Returning screenshot as PNG stream.")
|
| 816 |
return StreamingResponse(img_byte_arr, media_type="image/png")
|
| 817 |
-
|
| 818 |
except Exception as e:
|
| 819 |
logger.error(f"API Error: {e}", exc_info=True)
|
| 820 |
raise HTTPException(status_code=500, detail=f"Internal Server Error: {e}")
|
| 821 |
|
| 822 |
-
#
|
| 823 |
-
@app.post("/api/text-to-screenshot",
|
| 824 |
-
response_class=StreamingResponse,
|
| 825 |
-
tags=["Screenshot", "Gemini"],
|
| 826 |
-
summary="テキストからインフォグラフィックを生成",
|
| 827 |
-
description="テキストをGemini APIを使ってHTMLインフォグラフィックに変換し、スクリーンショットとして返します。")
|
| 828 |
async def api_text_to_screenshot(request: GeminiRequest):
|
| 829 |
-
"""
|
| 830 |
-
テキストからHTMLインフォグラフィックを生成してスクリーンショットを返すAPIエンドポイント
|
| 831 |
-
"""
|
| 832 |
try:
|
| 833 |
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)}, 拡張率: {request.extension_percentage}%, 温度: {request.temperature}")
|
| 834 |
-
|
| 835 |
-
# テキストからHTMLを生成してスクリーンショットを作成(温度パラメータも渡す)
|
| 836 |
pil_image = text_to_screenshot(
|
| 837 |
request.text,
|
| 838 |
request.extension_percentage,
|
| 839 |
request.temperature,
|
| 840 |
request.trim_whitespace
|
| 841 |
)
|
| 842 |
-
|
| 843 |
if pil_image.size == (1, 1):
|
| 844 |
logger.error("スクリーンショット生成に失敗しました。1x1画像を返します。")
|
| 845 |
-
# raise HTTPException(status_code=500, detail="スクリーンショット生成に失敗しました")
|
| 846 |
-
|
| 847 |
-
# PIL画像をPNGバイトに変換
|
| 848 |
img_byte_arr = BytesIO()
|
| 849 |
pil_image.save(img_byte_arr, format='PNG')
|
| 850 |
-
img_byte_arr.seek(0)
|
| 851 |
-
|
| 852 |
logger.info("スクリーンショットをPNGストリームとして返します。")
|
| 853 |
return StreamingResponse(img_byte_arr, media_type="image/png")
|
| 854 |
-
|
| 855 |
except Exception as e:
|
| 856 |
logger.error(f"API Error: {e}", exc_info=True)
|
| 857 |
raise HTTPException(status_code=500, detail=f"Internal Server Error: {e}")
|
| 858 |
|
| 859 |
-
# --- Gradio Interface Definition ---
|
| 860 |
-
# 入力モードの選択用Radioコンポーネント
|
| 861 |
def process_input(input_mode, input_text, extension_percentage, temperature, trim_whitespace):
|
| 862 |
-
"""入力モードに応じて適切な処理を行う"""
|
| 863 |
if input_mode == "HTML入力":
|
| 864 |
-
# HTMLモードの場合は既存の処理
|
| 865 |
return render_fullpage_screenshot(input_text, extension_percentage, trim_whitespace)
|
| 866 |
else:
|
| 867 |
-
# テキスト入力モードの場合はGemini APIを使用
|
| 868 |
return text_to_screenshot(input_text, extension_percentage, temperature, trim_whitespace)
|
| 869 |
|
| 870 |
-
# Gradio UIの定義
|
| 871 |
with gr.Blocks(title="Full Page Screenshot (テキスト変換対応)", theme=gr.themes.Base()) as iface:
|
| 872 |
gr.Markdown("# HTMLビューア & テキスト→インフォグラフィック変換")
|
| 873 |
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。")
|
| 874 |
-
|
| 875 |
with gr.Row():
|
| 876 |
-
input_mode = gr.Radio(
|
| 877 |
-
|
| 878 |
-
label="入力モード",
|
| 879 |
-
value="HTML入力"
|
| 880 |
-
)
|
| 881 |
-
|
| 882 |
-
# 共用のテキストボックス
|
| 883 |
-
input_text = gr.Textbox(
|
| 884 |
-
lines=15,
|
| 885 |
-
label="入力",
|
| 886 |
-
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。"
|
| 887 |
-
)
|
| 888 |
-
|
| 889 |
with gr.Row():
|
| 890 |
-
extension_percentage = gr.Slider(
|
| 891 |
-
|
| 892 |
-
|
| 893 |
-
step=1.0,
|
| 894 |
-
value=6, # デフォルト値6%
|
| 895 |
-
label="上下高さ拡張率(%)"
|
| 896 |
-
)
|
| 897 |
-
|
| 898 |
-
# 温度調整スライダー(テキストモード時のみ表示)
|
| 899 |
-
temperature = gr.Slider(
|
| 900 |
-
minimum=0.0,
|
| 901 |
-
maximum=1.0,
|
| 902 |
-
step=0.1,
|
| 903 |
-
value=0.3, # デフォルト値を0.3に下げて創造性を抑制
|
| 904 |
-
label="生成時の温度(低い=一貫性高、高い=創造性高)",
|
| 905 |
-
visible=False # 最初は非表示
|
| 906 |
-
)
|
| 907 |
-
|
| 908 |
-
# 余白トリミングオプション
|
| 909 |
-
trim_whitespace = gr.Checkbox(
|
| 910 |
-
label="余白を自動トリミング",
|
| 911 |
-
value=True,
|
| 912 |
-
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"
|
| 913 |
-
)
|
| 914 |
-
|
| 915 |
submit_btn = gr.Button("生成")
|
| 916 |
output_image = gr.Image(type="pil", label="ページ全体のスクリーンショット")
|
| 917 |
-
|
| 918 |
-
# 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を表示)
|
| 919 |
def update_temperature_visibility(mode):
|
| 920 |
-
# Gradio 4.x用のアップデート方法
|
| 921 |
return {"visible": mode == "テキスト入力", "__type__": "update"}
|
| 922 |
-
|
| 923 |
-
|
| 924 |
-
fn=update_temperature_visibility,
|
| 925 |
-
inputs=input_mode,
|
| 926 |
-
outputs=temperature
|
| 927 |
-
)
|
| 928 |
-
|
| 929 |
-
# 生成ボタンクリック時のイベント処理
|
| 930 |
-
submit_btn.click(
|
| 931 |
-
fn=process_input,
|
| 932 |
-
inputs=[input_mode, input_text, extension_percentage, temperature, trim_whitespace],
|
| 933 |
-
outputs=output_image
|
| 934 |
-
)
|
| 935 |
-
|
| 936 |
-
# 環境変数情報を表示
|
| 937 |
gemini_model = os.environ.get("GEMINI_MODEL", "gemini-1.5-pro")
|
| 938 |
gr.Markdown(f"""
|
| 939 |
## APIエンドポイント
|
| 940 |
-
- `/api/screenshot` - HTMLコードからスクリーンショットを生成
|
| 941 |
- `/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
|
| 942 |
-
|
| 943 |
## 設定情報
|
| 944 |
- 使用モデル: {gemini_model} (環境変数 GEMINI_MODEL で変更可能)
|
| 945 |
""")
|
| 946 |
|
| 947 |
-
# --- Mount Gradio App onto FastAPI ---
|
| 948 |
app = gr.mount_gradio_app(app, iface, path="/")
|
| 949 |
|
| 950 |
-
# --- Run with Uvicorn (for local testing) ---
|
| 951 |
if __name__ == "__main__":
|
| 952 |
import uvicorn
|
| 953 |
logger.info("Starting Uvicorn server for local development...")
|
| 954 |
-
uvicorn.run(app, host="0.0.0.0", port=7860)
|
|
|
|
| 1 |
+
# -*- coding: utf-8 -*-
|
| 2 |
import gradio as gr
|
| 3 |
from fastapi import FastAPI, HTTPException, Body
|
| 4 |
from fastapi.responses import StreamingResponse
|
|
|
|
| 10 |
from selenium.webdriver.common.by import By
|
| 11 |
from selenium.webdriver.support.ui import WebDriverWait
|
| 12 |
from selenium.webdriver.support import expected_conditions as EC
|
| 13 |
+
# TimeoutException と JavascriptException をインポート
|
| 14 |
+
from selenium.common.exceptions import TimeoutException, JavascriptException
|
| 15 |
from PIL import Image
|
| 16 |
from io import BytesIO
|
| 17 |
import tempfile
|
|
|
|
| 52 |
margin-right: 8px !important;
|
| 53 |
vertical-align: middle !important;
|
| 54 |
}
|
| 55 |
+
|
| 56 |
/* テキスト内のアイコン位置調整 */
|
| 57 |
+
h1 [class*="fa-"], h2 [class*="fa-"], h3 [class*="fa-"],
|
| 58 |
h4 [class*="fa-"], h5 [class*="fa-"], h6 [class*="fa-"] {
|
| 59 |
vertical-align: middle !important;
|
| 60 |
margin-right: 10px !important;
|
| 61 |
}
|
| 62 |
+
|
| 63 |
/* 特定パターンの修正 */
|
| 64 |
.fa + span, .fas + span, .far + span, .fab + span,
|
| 65 |
span + .fa, span + .fas, span + .far, span + .fab {
|
| 66 |
display: inline-block !important;
|
| 67 |
margin-left: 5px !important;
|
| 68 |
}
|
| 69 |
+
|
| 70 |
/* カード内アイコン修正 */
|
| 71 |
.card [class*="fa-"], .card-body [class*="fa-"] {
|
| 72 |
float: none !important;
|
| 73 |
clear: none !important;
|
| 74 |
position: relative !important;
|
| 75 |
}
|
| 76 |
+
|
| 77 |
/* アイコンと文字が重なる場合の調整 */
|
| 78 |
li [class*="fa-"], p [class*="fa-"] {
|
| 79 |
margin-right: 10px !important;
|
| 80 |
}
|
| 81 |
+
|
| 82 |
/* インラインアイコンのスペーシング */
|
| 83 |
.inline-icon {
|
| 84 |
display: inline-flex !important;
|
| 85 |
align-items: center !important;
|
| 86 |
justify-content: flex-start !important;
|
| 87 |
}
|
| 88 |
+
|
| 89 |
/* アイコン後のテキスト */
|
| 90 |
[class*="fa-"] + span {
|
| 91 |
display: inline-block !important;
|
|
|
|
| 93 |
}
|
| 94 |
</style>
|
| 95 |
"""
|
| 96 |
+
|
| 97 |
# headタグがある場合はその中に追加
|
| 98 |
if '<head>' in html_code:
|
| 99 |
return html_code.replace('</head>', f'{fa_fix_css}</head>')
|
|
|
|
| 106 |
body_start = html_code.find('<body')
|
| 107 |
if body_start > 0:
|
| 108 |
return html_code[:body_start] + f'<head>{fa_fix_css}</head>' + html_code[body_start:]
|
| 109 |
+
|
| 110 |
# どちらもない場合は先頭に追加
|
| 111 |
return f'<html><head>{fa_fix_css}</head>' + html_code + '</html>'
|
| 112 |
|
|
|
|
| 118 |
if not api_key:
|
| 119 |
logger.error("GEMINI_API_KEY 環境変数が設定されていません")
|
| 120 |
raise ValueError("GEMINI_API_KEY 環境変数が設定されていません")
|
| 121 |
+
|
| 122 |
# モデル名の取得(環境変数から、なければデフォルト値)
|
| 123 |
model_name = os.environ.get("GEMINI_MODEL", "gemini-1.5-pro")
|
| 124 |
logger.info(f"使用するGeminiモデル: {model_name}")
|
| 125 |
+
|
| 126 |
# Gemini APIの設定
|
| 127 |
genai.configure(api_key=api_key)
|
| 128 |
+
|
| 129 |
+
# システムプロンプト(変更なし)
|
| 130 |
system_instruction = """# グラフィックレコーディング風インフォグラフィック変換プロンプト V2
|
| 131 |
## 目的
|
| 132 |
以下の内容を、超一流デザイナーが作成したような、日本語で完璧なグラフィックレコーディング風のHTMLインフォグラフィックに変換してください。情報設計とビジュアルデザインの両面で最高水準を目指します。
|
|
|
|
| 234 |
- フッターに出典情報と関連するFont Awesomeアイコン(fa-book, fa-citation等)を明記
|
| 235 |
## 変換する文章/記事
|
| 236 |
ーーー<ユーザーが入力(または添付)>ーーー"""
|
| 237 |
+
|
| 238 |
# モデルを初期化して処理
|
| 239 |
logger.info(f"Gemini APIにリクエストを送信: テキスト長さ = {len(text)}, 温度 = {temperature}")
|
| 240 |
+
|
| 241 |
# モデル初期化とフォールバック処理
|
| 242 |
try:
|
| 243 |
model = genai.GenerativeModel(model_name)
|
| 244 |
except Exception as e:
|
|
|
|
| 245 |
fallback_model = "gemini-pro"
|
| 246 |
logger.warning(f"{model_name}が利用できません: {e}, フォールバックモデル{fallback_model}を使用します")
|
| 247 |
model = genai.GenerativeModel(fallback_model)
|
| 248 |
+
|
| 249 |
+
# 生成設定 (変更なし)
|
| 250 |
generation_config = {
|
| 251 |
+
"temperature": temperature,
|
| 252 |
+
"top_p": 0.7,
|
| 253 |
+
"top_k": 20,
|
| 254 |
"max_output_tokens": 8192,
|
| 255 |
+
"candidate_count": 1
|
| 256 |
}
|
| 257 |
+
|
| 258 |
+
# 安全設定 (変更なし)
|
| 259 |
safety_settings = [
|
| 260 |
+
{"category": "HARM_CATEGORY_HARASSMENT", "threshold": "BLOCK_MEDIUM_AND_ABOVE"},
|
| 261 |
+
{"category": "HARM_CATEGORY_HATE_SPEECH", "threshold": "BLOCK_MEDIUM_AND_ABOVE"},
|
| 262 |
+
{"category": "HARM_CATEGORY_SEXUALLY_EXPLICIT", "threshold": "BLOCK_MEDIUM_AND_ABOVE"},
|
| 263 |
+
{"category": "HARM_CATEGORY_DANGEROUS_CONTENT", "threshold": "BLOCK_MEDIUM_AND_ABOVE"}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 264 |
]
|
| 265 |
+
|
| 266 |
# プロンプト構築
|
| 267 |
prompt = f"{system_instruction}\n\n{text}"
|
| 268 |
+
|
| 269 |
# コンテンツ生成
|
| 270 |
response = model.generate_content(
|
| 271 |
prompt,
|
| 272 |
generation_config=generation_config,
|
| 273 |
safety_settings=safety_settings
|
| 274 |
)
|
| 275 |
+
|
| 276 |
+
# レスポンスからHTMLを抽出 (変更なし)
|
| 277 |
raw_response = response.text
|
|
|
|
|
|
|
| 278 |
html_start = raw_response.find("```html")
|
| 279 |
html_end = raw_response.rfind("```")
|
| 280 |
+
|
| 281 |
if html_start != -1 and html_end != -1 and html_start < html_end:
|
| 282 |
+
html_start += 7
|
| 283 |
html_code = raw_response[html_start:html_end].strip()
|
| 284 |
logger.info(f"HTMLの生成に成功: 長さ = {len(html_code)}")
|
|
|
|
|
|
|
| 285 |
html_code = enhance_font_awesome_layout(html_code)
|
| 286 |
logger.info("Font Awesomeレイアウトの最適化を適用しました")
|
|
|
|
| 287 |
return html_code
|
| 288 |
else:
|
|
|
|
| 289 |
logger.warning("レスポンスから```html```タグが見つかりませんでした。全テキストを返します。")
|
| 290 |
return raw_response
|
| 291 |
+
|
| 292 |
except Exception as e:
|
| 293 |
logger.error(f"HTML生成中にエラーが発生: {e}", exc_info=True)
|
| 294 |
raise Exception(f"Gemini APIでのHTML生成に失敗しました: {e}")
|
| 295 |
|
| 296 |
+
# 画像から余分な空白領域をトリミングする関数 (変更なし)
|
| 297 |
def trim_image_whitespace(image, threshold=250, padding=10):
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 298 |
gray = image.convert('L')
|
|
|
|
|
|
|
| 299 |
data = gray.getdata()
|
| 300 |
width, height = gray.size
|
|
|
|
|
|
|
| 301 |
min_x, min_y = width, height
|
| 302 |
max_x = max_y = 0
|
|
|
|
|
|
|
| 303 |
pixels = list(data)
|
| 304 |
pixels = [pixels[i * width:(i + 1) * width] for i in range(height)]
|
|
|
|
|
|
|
| 305 |
for y in range(height):
|
| 306 |
for x in range(width):
|
| 307 |
+
if pixels[y][x] < threshold:
|
| 308 |
min_x = min(min_x, x)
|
| 309 |
min_y = min(min_y, y)
|
| 310 |
max_x = max(max_x, x)
|
| 311 |
max_y = max(max_y, y)
|
|
|
|
|
|
|
| 312 |
if min_x > max_x or min_y > max_y:
|
| 313 |
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。")
|
| 314 |
return image
|
|
|
|
|
|
|
| 315 |
min_x = max(0, min_x - padding)
|
| 316 |
min_y = max(0, min_y - padding)
|
| 317 |
max_x = min(width - 1, max_x + padding)
|
| 318 |
max_y = min(height - 1, max_y + padding)
|
|
|
|
|
|
|
| 319 |
trimmed = image.crop((min_x, min_y, max_x + 1, max_y + 1))
|
|
|
|
| 320 |
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}")
|
| 321 |
return trimmed
|
| 322 |
|
| 323 |
# --- Core Screenshot Logic ---
|
| 324 |
+
def render_fullpage_screenshot(html_code: str, extension_percentage: float = 6.0,
|
| 325 |
trim_whitespace: bool = True) -> Image.Image:
|
| 326 |
"""
|
| 327 |
Renders HTML code to a full-page screenshot using Selenium.
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 328 |
"""
|
| 329 |
+
tmp_path = None
|
| 330 |
+
driver = None
|
| 331 |
|
| 332 |
+
# 1) Save HTML code to a temporary file (変更なし)
|
| 333 |
try:
|
| 334 |
with tempfile.NamedTemporaryFile(suffix=".html", delete=False, mode='w', encoding='utf-8') as tmp_file:
|
| 335 |
tmp_path = tmp_file.name
|
|
|
|
| 337 |
logger.info(f"HTML saved to temporary file: {tmp_path}")
|
| 338 |
except Exception as e:
|
| 339 |
logger.error(f"Error writing temporary HTML file: {e}")
|
| 340 |
+
return Image.new('RGB', (1, 1), color=(0, 0, 0))
|
| 341 |
|
| 342 |
+
# 2) Headless Chrome options (変更なし)
|
| 343 |
options = Options()
|
| 344 |
options.add_argument("--headless")
|
| 345 |
options.add_argument("--no-sandbox")
|
| 346 |
options.add_argument("--disable-dev-shm-usage")
|
| 347 |
options.add_argument("--force-device-scale-factor=1")
|
|
|
|
| 348 |
options.add_argument("--disable-features=NetworkService")
|
| 349 |
options.add_argument("--dns-prefetch-disable")
|
| 350 |
|
|
|
|
| 353 |
driver = webdriver.Chrome(options=options)
|
| 354 |
logger.info("WebDriver initialized.")
|
| 355 |
|
| 356 |
+
# 3) Initial window size and navigation (変更なし)
|
| 357 |
+
initial_width = 1200
|
| 358 |
initial_height = 1000
|
| 359 |
driver.set_window_size(initial_width, initial_height)
|
| 360 |
file_url = "file://" + tmp_path
|
| 361 |
logger.info(f"Navigating to {file_url}")
|
| 362 |
driver.get(file_url)
|
| 363 |
|
| 364 |
+
# 4) Wait for body (変更なし)
|
| 365 |
logger.info("Waiting for body element...")
|
| 366 |
WebDriverWait(driver, 15).until(
|
| 367 |
EC.presence_of_element_located((By.TAG_NAME, "body"))
|
| 368 |
)
|
| 369 |
logger.info("Body element found. Waiting for potential resource loading...")
|
| 370 |
+
time.sleep(3)
|
| 371 |
+
|
| 372 |
+
# 5) Font Awesome and resource check (修正: 即時実行関数 + コメント削除)
|
|
|
|
|
|
|
| 373 |
try:
|
|
|
|
| 374 |
resource_check_script = """
|
| 375 |
+
return (function() {
|
| 376 |
+
return new Promise((resolve) => {
|
| 377 |
+
const checkFontAwesome = () => {
|
| 378 |
+
const icons = document.querySelectorAll('.fa, .fas, .far, .fab, [class*="fa-"]');
|
| 379 |
+
if (icons.length > 0) {
|
| 380 |
+
document.fonts.ready.then(() => {
|
| 381 |
+
setTimeout(resolve, 1000);
|
| 382 |
+
});
|
| 383 |
+
} else {
|
| 384 |
+
document.fonts.ready.then(() => setTimeout(resolve, 500));
|
| 385 |
+
}
|
| 386 |
+
};
|
| 387 |
+
if (document.readyState === 'complete') {
|
| 388 |
+
checkFontAwesome();
|
| 389 |
} else {
|
| 390 |
+
window.addEventListener('load', checkFontAwesome);
|
|
|
|
| 391 |
}
|
| 392 |
+
});
|
| 393 |
+
})();
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 394 |
"""
|
|
|
|
| 395 |
logger.info("Waiting for Font Awesome and other resources to load...")
|
| 396 |
+
driver.set_script_timeout(15)
|
| 397 |
+
# execute_async_script に渡す前に文字列として結合
|
| 398 |
+
full_script = f"const callback = arguments[arguments.length - 1]; ({resource_check_script}).then(callback);"
|
| 399 |
+
driver.execute_async_script(full_script)
|
| 400 |
logger.info("Resources loaded successfully")
|
| 401 |
+
except (TimeoutException, JavascriptException) as e: # JavascriptExceptionも捕捉
|
| 402 |
logger.warning(f"Resource loading check failed: {e}. Using fallback wait.")
|
| 403 |
+
time.sleep(8)
|
| 404 |
+
except Exception as e: # その他の予期せぬエラー
|
| 405 |
+
logger.error(f"Unexpected error during resource check: {e}", exc_info=True)
|
| 406 |
+
time.sleep(8)
|
| 407 |
+
|
| 408 |
+
# 6) Ensure content rendering by scrolling (修正: 即時実行関数 + コメント削除 + ロジック微調整)
|
| 409 |
try:
|
| 410 |
scroll_script = """
|
| 411 |
+
return (function() {
|
| 412 |
+
return new Promise(resolve => {
|
| 413 |
+
const pageHeight = Math.max(
|
| 414 |
+
document.documentElement.scrollHeight || 0,
|
| 415 |
+
document.body ? document.body.scrollHeight || 0 : 0
|
| 416 |
+
);
|
| 417 |
+
const viewportHeight = window.innerHeight || document.documentElement.clientHeight || 800;
|
| 418 |
+
const scrollStep = Math.floor(viewportHeight * 0.8);
|
| 419 |
+
let currentPos = 0;
|
| 420 |
+
|
| 421 |
+
const scrollDown = () => {
|
| 422 |
+
if (!document.body || pageHeight <= 0) {
|
| 423 |
+
window.scrollTo(0, 0);
|
| 424 |
+
setTimeout(resolve, 300);
|
| 425 |
+
return;
|
| 426 |
+
}
|
| 427 |
+
|
| 428 |
+
if (currentPos < pageHeight) {
|
| 429 |
+
window.scrollTo(0, currentPos);
|
| 430 |
+
currentPos += scrollStep;
|
| 431 |
+
if (currentPos >= pageHeight || scrollStep <= 0) {
|
| 432 |
+
window.scrollTo(0, pageHeight);
|
| 433 |
+
setTimeout(() => {
|
| 434 |
+
window.scrollTo(0, 0);
|
| 435 |
+
setTimeout(resolve, 300);
|
| 436 |
+
}, 150);
|
| 437 |
+
} else {
|
| 438 |
+
setTimeout(scrollDown, 100);
|
| 439 |
+
}
|
| 440 |
+
} else {
|
| 441 |
+
window.scrollTo(0, 0);
|
| 442 |
+
setTimeout(resolve, 300);
|
| 443 |
+
}
|
| 444 |
+
};
|
| 445 |
+
setTimeout(scrollDown, 100);
|
| 446 |
+
});
|
| 447 |
+
})();
|
| 448 |
"""
|
|
|
|
| 449 |
logger.info("Ensuring all content is rendered...")
|
| 450 |
+
driver.set_script_timeout(20) # スクロール用にタイムアウトを少し長く
|
| 451 |
+
# execute_async_script に渡す前に文字列として結合
|
| 452 |
+
full_script = f"const callback = arguments[arguments.length - 1]; ({scroll_script}).then(callback);"
|
| 453 |
+
driver.execute_async_script(full_script)
|
| 454 |
+
logger.info("Content rendering scroll finished.")
|
| 455 |
+
except (TimeoutException, JavascriptException) as e: # JavascriptExceptionも捕捉
|
| 456 |
+
logger.warning(f"Content rendering check failed: {e}. Scrolling to top and waiting.")
|
| 457 |
+
try:
|
| 458 |
+
driver.execute_script("window.scrollTo(0, 0);")
|
| 459 |
+
except Exception as scroll_err:
|
| 460 |
+
logger.error(f"Could not scroll to top after render check failure: {scroll_err}")
|
| 461 |
+
time.sleep(3) # フォールバック待機
|
| 462 |
+
except Exception as e: # その他の予期せぬエラー
|
| 463 |
+
logger.error(f"Unexpected error during content rendering scroll: {e}", exc_info=True)
|
| 464 |
+
time.sleep(3)
|
| 465 |
+
|
| 466 |
+
# 7) Hide scrollbars (変更なし)
|
| 467 |
try:
|
| 468 |
driver.execute_script(
|
| 469 |
"document.documentElement.style.overflow = 'hidden';"
|
|
|
|
| 473 |
except Exception as e:
|
| 474 |
logger.warning(f"Could not hide scrollbars via JS: {e}")
|
| 475 |
|
| 476 |
+
# 8) Get full page dimensions (変更なし)
|
| 477 |
try:
|
|
|
|
| 478 |
dimensions_script = """
|
| 479 |
return {
|
| 480 |
width: Math.max(
|
| 481 |
+
document.documentElement.scrollWidth || 0,
|
| 482 |
+
document.documentElement.offsetWidth || 0,
|
| 483 |
+
document.documentElement.clientWidth || 0,
|
| 484 |
+
document.body ? document.body.scrollWidth || 0 : 0,
|
| 485 |
+
document.body ? document.body.offsetWidth || 0 : 0,
|
| 486 |
+
document.body ? document.body.clientWidth || 0 : 0
|
| 487 |
),
|
| 488 |
height: Math.max(
|
| 489 |
+
document.documentElement.scrollHeight || 0,
|
| 490 |
+
document.documentElement.offsetHeight || 0,
|
| 491 |
+
document.documentElement.clientHeight || 0,
|
| 492 |
+
document.body ? document.body.scrollHeight || 0 : 0,
|
| 493 |
+
document.body ? document.body.offsetHeight || 0 : 0,
|
| 494 |
+
document.body ? document.body.clientHeight || 0 : 0
|
| 495 |
)
|
| 496 |
};
|
| 497 |
"""
|
| 498 |
dimensions = driver.execute_script(dimensions_script)
|
| 499 |
scroll_width = dimensions['width']
|
| 500 |
scroll_height = dimensions['height']
|
|
|
|
| 501 |
logger.info(f"Detected dimensions: width={scroll_width}, height={scroll_height}")
|
| 502 |
+
|
| 503 |
+
# スクロール検証 (エラーハンドリング追加)
|
| 504 |
+
try:
|
| 505 |
+
driver.execute_script("window.scrollTo(0, document.body.scrollHeight);")
|
| 506 |
+
time.sleep(1)
|
| 507 |
+
driver.execute_script("window.scrollTo(0, 0);")
|
| 508 |
+
time.sleep(1)
|
| 509 |
+
dimensions_after_scroll = driver.execute_script(dimensions_script)
|
| 510 |
+
scroll_height = max(scroll_height, dimensions_after_scroll['height'])
|
| 511 |
+
logger.info(f"After scroll check, height={scroll_height}")
|
| 512 |
+
except Exception as scroll_e:
|
| 513 |
+
logger.warning(f"Error during dimension scroll check: {scroll_e}")
|
| 514 |
+
|
| 515 |
+
scroll_width = max(scroll_width, 100)
|
| 516 |
+
scroll_height = max(scroll_height, 100)
|
| 517 |
+
scroll_width = min(scroll_width, 2000)
|
| 518 |
+
scroll_height = min(scroll_height, 4000)
|
|
|
|
|
|
|
| 519 |
|
| 520 |
except Exception as e:
|
| 521 |
logger.error(f"Error getting page dimensions: {e}")
|
|
|
|
| 522 |
scroll_width = 1200
|
| 523 |
scroll_height = 1000
|
| 524 |
logger.warning(f"Falling back to dimensions: width={scroll_width}, height={scroll_height}")
|
| 525 |
+
|
| 526 |
+
# 9) Layout stability check (修正: 即時実行関数 + コメント削除 + JavascriptException捕捉)
|
| 527 |
try:
|
| 528 |
stability_script = """
|
| 529 |
+
return (function() {
|
| 530 |
+
return new Promise((resolve, reject) => {
|
| 531 |
+
let lastHeight = 0;
|
| 532 |
+
let lastWidth = 0;
|
| 533 |
+
let stableCount = 0;
|
| 534 |
+
const maxChecks = 15;
|
| 535 |
+
let checkCount = 0;
|
| 536 |
+
|
| 537 |
+
const checkStability = () => {
|
| 538 |
+
checkCount++;
|
| 539 |
+
if (checkCount > maxChecks) {
|
| 540 |
+
console.warn('Layout stability check reached max attempts.');
|
| 541 |
+
resolve(false);
|
| 542 |
+
return;
|
| 543 |
+
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 544 |
|
| 545 |
+
const bodyExists = document.body && typeof document.body.offsetHeight === 'number' && typeof document.body.offsetWidth === 'number';
|
| 546 |
+
if (!bodyExists) {
|
| 547 |
+
console.warn('Document body not fully available yet for stability check.');
|
| 548 |
+
setTimeout(checkStability, 250);
|
|
|
|
| 549 |
return;
|
| 550 |
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 551 |
|
| 552 |
+
const currentHeight = document.body.offsetHeight;
|
| 553 |
+
const currentWidth = document.body.offsetWidth;
|
|
|
|
| 554 |
|
| 555 |
+
if (currentHeight === 0 || currentWidth === 0) {
|
| 556 |
+
stableCount = 0;
|
| 557 |
+
lastHeight = 0;
|
| 558 |
+
lastWidth = 0;
|
| 559 |
+
console.warn('Body dimensions are zero, waiting...');
|
| 560 |
+
setTimeout(checkStability, 250);
|
| 561 |
+
return;
|
| 562 |
+
}
|
| 563 |
|
| 564 |
+
if (currentHeight === lastHeight && currentWidth === lastWidth) {
|
| 565 |
+
stableCount++;
|
| 566 |
+
if (stableCount >= 3) {
|
| 567 |
+
console.log('Layout deemed stable.');
|
| 568 |
+
resolve(true);
|
| 569 |
+
return;
|
| 570 |
+
}
|
| 571 |
+
} else {
|
| 572 |
+
stableCount = 0;
|
| 573 |
+
lastHeight = currentHeight;
|
| 574 |
+
lastWidth = currentWidth;
|
| 575 |
+
console.log(`Layout changed: ${lastWidth}x${lastHeight}. Resetting stability count.`);
|
| 576 |
+
}
|
| 577 |
+
setTimeout(checkStability, 200);
|
| 578 |
+
};
|
| 579 |
+
setTimeout(checkStability, 100);
|
| 580 |
+
});
|
| 581 |
+
})();
|
| 582 |
+
"""
|
| 583 |
logger.info("Checking layout stability...")
|
|
|
|
| 584 |
driver.set_script_timeout(20)
|
| 585 |
+
# execute_async_script に渡す前に文字列として結合
|
| 586 |
+
full_script = f"const callback = arguments[arguments.length - 1]; ({stability_script}).then(callback);"
|
| 587 |
+
stable = driver.execute_async_script(full_script)
|
| 588 |
|
| 589 |
if stable:
|
| 590 |
logger.info("Layout is stable")
|
| 591 |
else:
|
|
|
|
| 592 |
logger.warning("Layout did not stabilize within the expected time. Proceeding anyway.")
|
| 593 |
+
time.sleep(2)
|
| 594 |
|
| 595 |
except TimeoutException:
|
|
|
|
| 596 |
logger.warning("Layout stability check timed out. Proceeding anyway.")
|
| 597 |
+
time.sleep(2)
|
| 598 |
+
except JavascriptException as e: # JavascriptExceptionを捕捉
|
| 599 |
+
logger.error(f"Javascript error during layout stability check: {e}", exc_info=True)
|
| 600 |
+
time.sleep(2)
|
| 601 |
except Exception as e:
|
| 602 |
+
logger.error(f"Unexpected error during layout stability check: {e}", exc_info=True)
|
| 603 |
+
time.sleep(2)
|
|
|
|
| 604 |
|
| 605 |
+
# 10) Calculate adjusted height (変更なし)
|
| 606 |
adjusted_height = int(scroll_height * (1 + extension_percentage / 100.0))
|
| 607 |
+
adjusted_height = max(adjusted_height, scroll_height, 100)
|
|
|
|
| 608 |
logger.info(f"Adjusted height calculated: {adjusted_height} (extension: {extension_percentage}%)")
|
| 609 |
|
| 610 |
+
# 11) Set window size and wait (変更なし)
|
| 611 |
adjusted_width = scroll_width
|
| 612 |
logger.info(f"Resizing window to: width={adjusted_width}, height={adjusted_height}")
|
| 613 |
driver.set_window_size(adjusted_width, adjusted_height)
|
| 614 |
logger.info("Waiting for layout stabilization after resize...")
|
| 615 |
+
time.sleep(4)
|
|
|
|
|
|
|
| 616 |
|
| 617 |
+
# Resource state check (変更なし, エラーハンドリングは元々���り)
|
| 618 |
try:
|
| 619 |
resource_state = driver.execute_script("""
|
| 620 |
return {
|
| 621 |
readyState: document.readyState,
|
| 622 |
+
resourcesComplete: !document.querySelector('img:not([complete])') &&
|
| 623 |
!document.querySelector('link[rel="stylesheet"]:not([loaded])')
|
| 624 |
};
|
| 625 |
""")
|
| 626 |
logger.info(f"Resource state: {resource_state}")
|
|
|
|
|
|
|
| 627 |
if resource_state['readyState'] != 'complete':
|
| 628 |
logger.info("Document still loading, waiting additional time...")
|
| 629 |
time.sleep(2)
|
| 630 |
except Exception as e:
|
| 631 |
logger.warning(f"Error checking resource state: {e}")
|
| 632 |
|
| 633 |
+
# Scroll to top (変更なし, エラーハンドリングは元々あり)
|
| 634 |
try:
|
| 635 |
driver.execute_script("window.scrollTo(0, 0)")
|
| 636 |
time.sleep(1)
|
|
|
|
| 638 |
except Exception as e:
|
| 639 |
logger.warning(f"Could not scroll to top: {e}")
|
| 640 |
|
| 641 |
+
# 12) Take screenshot (変更なし)
|
| 642 |
logger.info("Taking screenshot...")
|
| 643 |
png = driver.get_screenshot_as_png()
|
| 644 |
logger.info("Screenshot taken successfully.")
|
|
|
|
|
|
|
| 645 |
img = Image.open(BytesIO(png))
|
|
|
|
|
|
|
| 646 |
logger.info(f"Screenshot dimensions: {img.width}x{img.height}")
|
|
|
|
|
|
|
| 647 |
if trim_whitespace:
|
|
|
|
| 648 |
img = trim_image_whitespace(img, threshold=248, padding=20)
|
| 649 |
logger.info(f"Trimmed dimensions: {img.width}x{img.height}")
|
|
|
|
| 650 |
return img
|
| 651 |
|
| 652 |
except Exception as e:
|
| 653 |
logger.error(f"An error occurred during screenshot generation: {e}", exc_info=True)
|
| 654 |
+
return Image.new('RGB', (1, 1), color=(0, 0, 0))
|
| 655 |
finally:
|
| 656 |
logger.info("Cleaning up...")
|
| 657 |
if driver:
|
|
|
|
| 667 |
except Exception as e:
|
| 668 |
logger.error(f"Error removing temporary file {tmp_path}: {e}")
|
| 669 |
|
| 670 |
+
# --- Geminiを使った新しい関数 --- (変更なし)
|
| 671 |
def text_to_screenshot(text: str, extension_percentage: float, temperature: float = 0.3, trim_whitespace: bool = True) -> Image.Image:
|
|
|
|
| 672 |
try:
|
|
|
|
| 673 |
html_code = generate_html_from_text(text, temperature)
|
|
|
|
|
|
|
| 674 |
return render_fullpage_screenshot(html_code, extension_percentage, trim_whitespace)
|
| 675 |
except Exception as e:
|
| 676 |
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)
|
| 677 |
+
return Image.new('RGB', (1, 1), color=(0, 0, 0))
|
| 678 |
|
| 679 |
+
# --- FastAPI Setup --- (変更なし)
|
| 680 |
app = FastAPI()
|
|
|
|
|
|
|
| 681 |
app.add_middleware(
|
| 682 |
CORSMiddleware,
|
| 683 |
allow_origins=["*"],
|
|
|
|
| 685 |
allow_methods=["*"],
|
| 686 |
allow_headers=["*"],
|
| 687 |
)
|
|
|
|
|
|
|
|
|
|
| 688 |
gradio_dir = os.path.dirname(gr.__file__)
|
| 689 |
logger.info(f"Gradio version: {gr.__version__}")
|
| 690 |
logger.info(f"Gradio directory: {gradio_dir}")
|
|
|
|
|
|
|
| 691 |
static_dir = os.path.join(gradio_dir, "templates", "frontend", "static")
|
| 692 |
if os.path.exists(static_dir):
|
| 693 |
logger.info(f"Mounting static directory: {static_dir}")
|
| 694 |
app.mount("/static", StaticFiles(directory=static_dir), name="static")
|
|
|
|
|
|
|
| 695 |
app_dir = os.path.join(gradio_dir, "templates", "frontend", "_app")
|
| 696 |
if os.path.exists(app_dir):
|
| 697 |
logger.info(f"Mounting _app directory: {app_dir}")
|
| 698 |
app.mount("/_app", StaticFiles(directory=app_dir), name="_app")
|
|
|
|
|
|
|
| 699 |
assets_dir = os.path.join(gradio_dir, "templates", "frontend", "assets")
|
| 700 |
if os.path.exists(assets_dir):
|
| 701 |
logger.info(f"Mounting assets directory: {assets_dir}")
|
| 702 |
app.mount("/assets", StaticFiles(directory=assets_dir), name="assets")
|
|
|
|
|
|
|
| 703 |
cdn_dir = os.path.join(gradio_dir, "templates", "cdn")
|
| 704 |
if os.path.exists(cdn_dir):
|
| 705 |
logger.info(f"Mounting cdn directory: {cdn_dir}")
|
| 706 |
app.mount("/cdn", StaticFiles(directory=cdn_dir), name="cdn")
|
| 707 |
|
| 708 |
+
# API Endpoint for screenshot generation (変更なし)
|
| 709 |
+
@app.post("/api/screenshot", response_class=StreamingResponse, tags=["Screenshot"], summary="Render HTML to Full Page Screenshot")
|
|
|
|
|
|
|
|
|
|
|
|
|
| 710 |
async def api_render_screenshot(request: ScreenshotRequest):
|
|
|
|
|
|
|
|
|
|
| 711 |
try:
|
| 712 |
logger.info(f"API request received. Extension: {request.extension_percentage}%")
|
|
|
|
| 713 |
pil_image = render_fullpage_screenshot(
|
| 714 |
request.html_code,
|
| 715 |
request.extension_percentage,
|
| 716 |
request.trim_whitespace
|
| 717 |
)
|
|
|
|
| 718 |
if pil_image.size == (1, 1):
|
| 719 |
logger.error("Screenshot generation failed, returning 1x1 image.")
|
|
|
|
|
|
|
|
|
|
|
|
|
| 720 |
img_byte_arr = BytesIO()
|
| 721 |
pil_image.save(img_byte_arr, format='PNG')
|
| 722 |
+
img_byte_arr.seek(0)
|
|
|
|
| 723 |
logger.info("Returning screenshot as PNG stream.")
|
| 724 |
return StreamingResponse(img_byte_arr, media_type="image/png")
|
|
|
|
| 725 |
except Exception as e:
|
| 726 |
logger.error(f"API Error: {e}", exc_info=True)
|
| 727 |
raise HTTPException(status_code=500, detail=f"Internal Server Error: {e}")
|
| 728 |
|
| 729 |
+
# Gemini API連携エンドポイント (変更なし)
|
| 730 |
+
@app.post("/api/text-to-screenshot", response_class=StreamingResponse, tags=["Screenshot", "Gemini"], summary="テキストからインフォグラフィックを生成")
|
|
|
|
|
|
|
|
|
|
|
|
|
| 731 |
async def api_text_to_screenshot(request: GeminiRequest):
|
|
|
|
|
|
|
|
|
|
| 732 |
try:
|
| 733 |
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)}, 拡張率: {request.extension_percentage}%, 温度: {request.temperature}")
|
|
|
|
|
|
|
| 734 |
pil_image = text_to_screenshot(
|
| 735 |
request.text,
|
| 736 |
request.extension_percentage,
|
| 737 |
request.temperature,
|
| 738 |
request.trim_whitespace
|
| 739 |
)
|
|
|
|
| 740 |
if pil_image.size == (1, 1):
|
| 741 |
logger.error("スクリーンショット生成に失敗しました。1x1画像を返します。")
|
|
|
|
|
|
|
|
|
|
| 742 |
img_byte_arr = BytesIO()
|
| 743 |
pil_image.save(img_byte_arr, format='PNG')
|
| 744 |
+
img_byte_arr.seek(0)
|
|
|
|
| 745 |
logger.info("スクリーンショットをPNGストリームとして返します。")
|
| 746 |
return StreamingResponse(img_byte_arr, media_type="image/png")
|
|
|
|
| 747 |
except Exception as e:
|
| 748 |
logger.error(f"API Error: {e}", exc_info=True)
|
| 749 |
raise HTTPException(status_code=500, detail=f"Internal Server Error: {e}")
|
| 750 |
|
| 751 |
+
# --- Gradio Interface Definition --- (変更なし)
|
|
|
|
| 752 |
def process_input(input_mode, input_text, extension_percentage, temperature, trim_whitespace):
|
|
|
|
| 753 |
if input_mode == "HTML入力":
|
|
|
|
| 754 |
return render_fullpage_screenshot(input_text, extension_percentage, trim_whitespace)
|
| 755 |
else:
|
|
|
|
| 756 |
return text_to_screenshot(input_text, extension_percentage, temperature, trim_whitespace)
|
| 757 |
|
|
|
|
| 758 |
with gr.Blocks(title="Full Page Screenshot (テキスト変換対応)", theme=gr.themes.Base()) as iface:
|
| 759 |
gr.Markdown("# HTMLビューア & テキスト→インフォグラフィック変換")
|
| 760 |
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。")
|
|
|
|
| 761 |
with gr.Row():
|
| 762 |
+
input_mode = gr.Radio(["HTML入力", "テキスト入力"], label="入力モード", value="HTML入力")
|
| 763 |
+
input_text = gr.Textbox(lines=15, label="入力", 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。")
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 764 |
with gr.Row():
|
| 765 |
+
extension_percentage = gr.Slider(minimum=0, maximum=30, step=1.0, value=6, label="上下高さ拡張率(%)")
|
| 766 |
+
temperature = gr.Slider(minimum=0.0, maximum=1.0, step=0.1, value=0.3, label="生成時の温度(低い=一貫性高、高い=創造性高)", visible=False)
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+
trim_whitespace = gr.Checkbox(label="余白を自動トリミング", value=True, 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")
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| 768 |
submit_btn = gr.Button("生成")
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| 769 |
output_image = gr.Image(type="pil", label="ページ全体のスクリーンショット")
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def update_temperature_visibility(mode):
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| 771 |
return {"visible": mode == "テキスト入力", "__type__": "update"}
|
| 772 |
+
input_mode.change(fn=update_temperature_visibility, inputs=input_mode, outputs=temperature)
|
| 773 |
+
submit_btn.click(fn=process_input, inputs=[input_mode, input_text, extension_percentage, temperature, trim_whitespace], outputs=output_image)
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| 774 |
gemini_model = os.environ.get("GEMINI_MODEL", "gemini-1.5-pro")
|
| 775 |
gr.Markdown(f"""
|
| 776 |
## APIエンドポイント
|
| 777 |
+
- `/api/screenshot` - HTMLコードからスクリーンショットを生成
|
| 778 |
- `/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
|
| 779 |
+
|
| 780 |
## 設定情報
|
| 781 |
- 使用モデル: {gemini_model} (環境変数 GEMINI_MODEL で変更可能)
|
| 782 |
""")
|
| 783 |
|
| 784 |
+
# --- Mount Gradio App onto FastAPI --- (変更なし)
|
| 785 |
app = gr.mount_gradio_app(app, iface, path="/")
|
| 786 |
|
| 787 |
+
# --- Run with Uvicorn (for local testing) --- (変更なし)
|
| 788 |
if __name__ == "__main__":
|
| 789 |
import uvicorn
|
| 790 |
logger.info("Starting Uvicorn server for local development...")
|
| 791 |
+
uvicorn.run(app, host="0.0.0.0", port=7860)
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