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Upload app.py
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app.py
CHANGED
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@@ -171,8 +171,8 @@ def generate_html_from_text(text, temperature=0.3):
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- フォント指定:
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```html
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<style>
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@ import url('https://fonts.googleapis.com/css2?family=Kaisei+Decol&family=Yomogi&family=Zen+Kurenaido&display=swap');
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@ import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css');
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</style>
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```
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### 5. レイアウト
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@@ -184,6 +184,16 @@ def generate_html_from_text(text, temperature=0.3):
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- 横幅は100%
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- 重要な要素は中央寄り、補足情報は周辺部に配置
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## グラフィックレコーディング表現技法
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- テキストと視覚要素のバランスを重視(文字情報の50%以上をFont Awesomeアイコンで視覚的に補完)
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- キーワードを囲み線や色で強調し、関連するFont Awesomeアイコンを必ず添える
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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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#
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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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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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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(Chromium) options
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options = Options()
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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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logger.info(f"Navigating to {file_url}")
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driver.get(file_url)
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# 4)
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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
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#
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time.sleep(3)
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#
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return
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if (icons.length > 0) {
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console.log('Font Awesome icons found:', icons.length);
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document.fonts.ready.then(function() {
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console.log('All fonts loaded');
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setTimeout(resolve, 1000);
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});
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} else {
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document.fonts.ready.then(function() { setTimeout(resolve, 500); });
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}
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}
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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) # 15秒のタイムアウト
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driver.execute_async_script("const callback = arguments[arguments.length - 1]; " + resource_check_script.strip() + ".then(callback);")
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logger.info("Resources loaded successfully")
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except Exception as e:
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logger.warning(f"Resource loading check failed: {e}. Using fallback wait.")
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time.sleep(8) # より長い待機時間を設定
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#
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# 7) Hide scrollbars via CSS
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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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"document.body.style.overflow = 'hidden';"
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)
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logger.info("Scrollbars hidden via JS.")
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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 accurately with improved script
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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.body ? document.body.clientHeight : 0
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)
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};
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logger.info(f"Detected dimensions: width={scroll_width}, height={scroll_height}")
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# スクロールして確認する追加の検証
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driver.execute_script("window.scrollTo(0, document.body.scrollHeight);")
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time.sleep(1) # スクロール完了を待つ
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driver.execute_script("window.scrollTo(0, 0);")
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time.sleep(1) # 元の位置に戻す
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# 再検証
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dimensions_after_scroll = driver.execute_script(dimensions_script)
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scroll_height = max(scroll_height, dimensions_after_scroll['height'])
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logger.info(f"After scroll check, height={scroll_height}")
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# 最小値と最大値の設定
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scroll_width = max(scroll_width, 100) # 最小幅
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scroll_height = max(scroll_height, 100) # 最小高さ
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scroll_width = min(scroll_width, 2000) # 最大幅
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scroll_height = min(scroll_height, 6000) # 最大高さ
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except Exception as e:
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logger.error(f"Error getting page dimensions: {e}")
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# フォールバックとしてデフォルト値を設定
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scroll_width = 1200
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scroll_height = 1000
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logger.warning(f"Falling back to dimensions: width={scroll_width}, height={scroll_height}")
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}
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setTimeout(checkStability, 200);
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}
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checkStability();
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});
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"""
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logger.info("Checking layout stability...")
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driver.execute_async_script("const callback = arguments[arguments.length - 1]; " + stability_script.strip() + ".then(callback);")
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logger.info("Layout is stable")
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except Exception as e:
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logger.warning(f"Layout stability check failed: {e}")
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time.sleep(2) # 追加待機
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# 10) Calculate adjusted height with user-specified margin
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adjusted_height = int(scroll_height * (1 + extension_percentage / 100.0))
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adjusted_height = max(adjusted_height, scroll_height, 100) # 最小高さを確保
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logger.info(f"Adjusted height calculated: {adjusted_height} (extension: {extension_percentage}%)")
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adjusted_width = scroll_width
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logger.info(f"Resizing window to: width={adjusted_width}, height={adjusted_height}")
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driver.set_window_size(adjusted_width, adjusted_height)
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# 外部リソースの読み込み状態を確認
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try:
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resource_state = driver.execute_script("""
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return {
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readyState: document.readyState,
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resourcesComplete: !document.querySelector('img:not([complete])') &&
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};
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logger.info("Document still loading, waiting additional time...")
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time.sleep(2)
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except Exception as e:
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logger.warning(f"Error checking resource state: {e}")
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# Scroll to top just in case
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try:
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driver.execute_script("window.scrollTo(0, 0)")
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time.sleep(1)
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logger.info("Taking screenshot...")
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png = driver.get_screenshot_as_png()
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logger.info("Screenshot taken successfully.")
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img = Image.open(BytesIO(png))
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# 画像サイズの確認とログ
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logger.info(f"Screenshot dimensions: {img.width}x{img.height}")
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if trim_whitespace:
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# 余分な空白をトリミング
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img = trim_image_whitespace(img, threshold=248, padding=20)
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logger.info(f"Trimmed dimensions: {img.width}x{img.height}")
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return img
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except Exception as e:
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logger.error(f"
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return Image.new('RGB', (1, 1), color=(0, 0, 0))
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finally:
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logger.info("Cleaning up...")
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if driver:
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logger.info(f"Temporary file {tmp_path} removed.")
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except Exception as e:
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logger.error(f"Error removing temporary file {tmp_path}: {e}")
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# --- Geminiを使った新しい関数 ---
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def text_to_screenshot(text: str, extension_percentage: float, temperature: float = 0.3, trim_whitespace: bool = True) -> Image.Image:
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"""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"""
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- フォント指定:
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```html
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<style>
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@ import url('https ://fonts.googleapis.com/css2?family=Kaisei+Decol&family=Yomogi&family=Zen+Kurenaido&display=swap');
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@ import url('https ://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css');
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</style>
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```
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### 5. レイアウト
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- 横幅は100%
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- 重要な要素は中央寄り、補足情報は周辺部に配置
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### 重要なレイアウト注意事項
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- Font Awesomeアイコンと文字が重ならないよう適切なマージンを設定する
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- アイコンには必ず`margin-right: 10px;`や`margin-left: 10px;`などの余白を設定する
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- アイコンと文字列は必ず`display: inline-block;`または`display: inline-flex;`で配置し、`align-items: center;`を使用する
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- 複数のアイコンを配置する場合は十分な余白を確保する
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- レイアウト崩れを防ぐために、親要素には`overflow: hidden;`を適用する
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- アイコンの配置はコンテンツフローを妨げないよう注意する
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- カード内でのアイコン配置は、絶対位置指定ではなく相対位置で設定する
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- モバイル表示も考慮し、レスポンシブ対応を徹底する
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## グラフィックレコーディング表現技法
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- テキストと視覚要素のバランスを重視(文字情報の50%以上をFont Awesomeアイコンで視覚的に補完)
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- キーワードを囲み線や色で強調し、関連するFont Awesomeアイコンを必ず添える
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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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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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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(Chromium) options
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options = Options()
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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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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) 初期ウィンドウサイズを設定
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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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logger.info(f"Navigating to {file_url}")
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driver.get(file_url)
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# 4) ページ読み込み待機
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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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logger.info("Body element found. Waiting for resource loading...")
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# 5) 基本的なリソース読み込み待機 - タイムアウト回避
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time.sleep(3)
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| 426 |
+
# Font Awesome読み込み確認 - 非同期を使わない
|
| 427 |
+
logger.info("Checking for Font Awesome resources...")
|
| 428 |
+
fa_count = driver.execute_script("""
|
| 429 |
+
var icons = document.querySelectorAll('.fa, .fas, .far, .fab, [class*="fa-"]');
|
| 430 |
+
return icons.length;
|
| 431 |
+
""")
|
| 432 |
+
logger.info(f"Found {fa_count} Font Awesome elements")
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|
| 433 |
|
| 434 |
+
# リソース読み込み状態を確認
|
| 435 |
+
doc_ready = driver.execute_script("return document.readyState;")
|
| 436 |
+
logger.info(f"Document ready state: {doc_ready}")
|
| 437 |
+
|
| 438 |
+
# Font Awesomeが多い場合は追加待機
|
| 439 |
+
if fa_count > 50:
|
| 440 |
+
logger.info("Many Font Awesome icons detected, waiting additional time")
|
| 441 |
+
time.sleep(2)
|
| 442 |
+
|
| 443 |
+
# 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
|
| 444 |
+
logger.info("Performing content rendering scroll...")
|
| 445 |
+
total_height = driver.execute_script("return Math.max(document.body.scrollHeight, document.documentElement.scrollHeight);")
|
| 446 |
+
viewport_height = driver.execute_script("return window.innerHeight;")
|
| 447 |
+
scrolls_needed = max(1, total_height // viewport_height)
|
| 448 |
+
|
| 449 |
+
for i in range(scrolls_needed + 1):
|
| 450 |
+
scroll_pos = i * (viewport_height - 200) # オーバーラップさせる
|
| 451 |
+
driver.execute_script(f"window.scrollTo(0, {scroll_pos});")
|
| 452 |
+
time.sleep(0.2) # 短い待機
|
| 453 |
+
|
| 454 |
+
# トップに戻る
|
| 455 |
+
driver.execute_script("window.scrollTo(0, 0);")
|
| 456 |
+
time.sleep(0.5)
|
| 457 |
+
logger.info("Scroll rendering completed")
|
| 458 |
+
|
| 459 |
+
# 7) スクロールバーを非表示に
|
| 460 |
+
driver.execute_script("""
|
| 461 |
+
document.documentElement.style.overflow = 'hidden';
|
| 462 |
+
document.body.style.overflow = 'hidden';
|
| 463 |
+
""")
|
| 464 |
+
logger.info("Scrollbars hidden")
|
| 465 |
+
|
| 466 |
+
# 8) ページの寸法を取得
|
| 467 |
+
dimensions = driver.execute_script("""
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|
| 468 |
return {
|
| 469 |
width: Math.max(
|
| 470 |
document.documentElement.scrollWidth,
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|
| 483 |
document.body ? document.body.clientHeight : 0
|
| 484 |
)
|
| 485 |
};
|
| 486 |
+
""")
|
| 487 |
+
scroll_width = dimensions['width']
|
| 488 |
+
scroll_height = dimensions['height']
|
| 489 |
+
logger.info(f"Detected dimensions: width={scroll_width}, height={scroll_height}")
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|
| 490 |
|
| 491 |
+
# 再検証 - 短いスクロールで再確認
|
| 492 |
+
driver.execute_script("window.scrollTo(0, document.body.scrollHeight);")
|
| 493 |
+
time.sleep(0.5)
|
| 494 |
+
driver.execute_script("window.scrollTo(0, 0);")
|
| 495 |
+
time.sleep(0.5)
|
| 496 |
+
|
| 497 |
+
dimensions_after = driver.execute_script("return {height: Math.max(document.documentElement.scrollHeight, document.body.scrollHeight)};")
|
| 498 |
+
scroll_height = max(scroll_height, dimensions_after['height'])
|
| 499 |
+
logger.info(f"After scroll check, height={scroll_height}")
|
| 500 |
+
|
| 501 |
+
# 最小/最大値の設定
|
| 502 |
+
scroll_width = max(scroll_width, 100)
|
| 503 |
+
scroll_height = max(scroll_height, 100)
|
| 504 |
+
scroll_width = min(scroll_width, 2000)
|
| 505 |
+
scroll_height = min(scroll_height, 4000)
|
| 506 |
+
|
| 507 |
+
# 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
|
| 508 |
+
logger.info("Waiting for layout stabilization...")
|
| 509 |
+
time.sleep(2)
|
| 510 |
+
|
| 511 |
+
# 10) 高さに余白を追加
|
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|
| 512 |
adjusted_height = int(scroll_height * (1 + extension_percentage / 100.0))
|
| 513 |
+
adjusted_height = max(adjusted_height, scroll_height, 100)
|
|
|
|
| 514 |
logger.info(f"Adjusted height calculated: {adjusted_height} (extension: {extension_percentage}%)")
|
| 515 |
|
| 516 |
+
# 11) ウィンドウサイズを調整
|
| 517 |
adjusted_width = scroll_width
|
| 518 |
logger.info(f"Resizing window to: width={adjusted_width}, height={adjusted_height}")
|
| 519 |
driver.set_window_size(adjusted_width, adjusted_height)
|
| 520 |
+
time.sleep(1)
|
| 521 |
|
| 522 |
+
# リソース状態を確認 - 同期的スクリプト
|
| 523 |
+
resource_state = driver.execute_script("""
|
|
|
|
|
|
|
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|
|
|
|
|
| 524 |
return {
|
| 525 |
readyState: document.readyState,
|
| 526 |
resourcesComplete: !document.querySelector('img:not([complete])') &&
|
| 527 |
+
!document.querySelector('link[rel="stylesheet"]:not([loaded])')
|
| 528 |
};
|
| 529 |
+
""")
|
| 530 |
+
logger.info(f"Resource state: {resource_state}")
|
| 531 |
+
|
| 532 |
+
if resource_state['readyState'] != 'complete':
|
| 533 |
+
logger.info("Document still loading, waiting additional time...")
|
|
|
|
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|
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|
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|
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|
|
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|
|
|
|
|
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|
|
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|
| 534 |
time.sleep(1)
|
| 535 |
+
|
| 536 |
+
# トップにスクロール
|
| 537 |
+
driver.execute_script("window.scrollTo(0, 0);")
|
| 538 |
+
time.sleep(0.5)
|
| 539 |
+
logger.info("Scrolled to top.")
|
| 540 |
|
| 541 |
+
# 12) スクリーンショット取得
|
| 542 |
logger.info("Taking screenshot...")
|
| 543 |
png = driver.get_screenshot_as_png()
|
| 544 |
logger.info("Screenshot taken successfully.")
|
| 545 |
|
| 546 |
+
# PIL画像に変換
|
| 547 |
img = Image.open(BytesIO(png))
|
|
|
|
|
|
|
| 548 |
logger.info(f"Screenshot dimensions: {img.width}x{img.height}")
|
| 549 |
|
| 550 |
+
# 余白トリミング
|
| 551 |
if trim_whitespace:
|
|
|
|
| 552 |
img = trim_image_whitespace(img, threshold=248, padding=20)
|
| 553 |
logger.info(f"Trimmed dimensions: {img.width}x{img.height}")
|
| 554 |
|
| 555 |
return img
|
| 556 |
|
| 557 |
except Exception as e:
|
| 558 |
+
logger.error(f"Error during screenshot generation: {e}")
|
| 559 |
+
return Image.new('RGB', (1, 1), color=(0, 0, 0))
|
| 560 |
finally:
|
| 561 |
logger.info("Cleaning up...")
|
| 562 |
if driver:
|
|
|
|
| 571 |
logger.info(f"Temporary file {tmp_path} removed.")
|
| 572 |
except Exception as e:
|
| 573 |
logger.error(f"Error removing temporary file {tmp_path}: {e}")
|
| 574 |
+
|
| 575 |
# --- Geminiを使った新しい関数 ---
|
| 576 |
def text_to_screenshot(text: str, extension_percentage: float, temperature: float = 0.3, trim_whitespace: bool = True) -> Image.Image:
|
| 577 |
"""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"""
|