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Update app.py
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app.py
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import gradio as gr
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from selenium import webdriver
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from selenium.
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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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def render_html_to_image(html_code):
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#
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tmp_file = tempfile.NamedTemporaryFile(suffix=".html", delete=False)
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tmp_path = tmp_file.name
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tmp_file.write(html_code.encode('utf-8'))
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tmp_file.close()
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# Chrome
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options =
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options.add_argument(
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options.add_argument(
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options.add_argument(
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try:
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driver = webdriver.Chrome(options=options)
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driver.get("file://" + tmp_path)
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png = driver.get_screenshot_as_png()
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finally:
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driver.quit()
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if os.path.exists(tmp_path):
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os.remove(tmp_path)
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return Image.open(BytesIO(png))
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# Gradio
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iface = gr.Interface(
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fn=render_html_to_image,
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inputs=gr.Textbox(lines=15, label="HTMLコード入力"),
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import gradio as gr
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from selenium import webdriver
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from selenium.webdriver.chrome.options import Options
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from selenium.webdriver.common.by import By
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from selenium.webdriver.support.ui import WebDriverWait
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from selenium.webdriver.support import expected_conditions as EC
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from PIL import Image
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from io import BytesIO
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import tempfile
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import time
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import os
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def render_html_to_image(html_code):
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# HTMLコードを一時ファイルに保存
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tmp_file = tempfile.NamedTemporaryFile(suffix=".html", delete=False)
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tmp_path = tmp_file.name
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tmp_file.write(html_code.encode('utf-8'))
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tmp_file.close()
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# ヘッドレスChrome(Chromium)起動オプションを設定
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options = Options()
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options.add_argument("--headless") # ヘッドレスモード
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options.add_argument("--no-sandbox") # コンテナ環境でのサンドボックス無効化
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options.add_argument("--disable-dev-shm-usage") # /dev/shmを使わない
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options.add_argument("--force-device-scale-factor=1") # スケールファクター固定
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try:
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# ブラウザ起動
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driver = webdriver.Chrome(options=options)
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# レンダリングする画面サイズを固定
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driver.set_window_size(1200, 800)
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# ローカルHTMLを開く
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driver.get("file://" + tmp_path)
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# ---- 待機処理 (1) 明示的待機で「body」タグの読み込み完了を待つ ----
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WebDriverWait(driver, 10).until(
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EC.presence_of_element_located((By.TAG_NAME, "body"))
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)
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# ---- 待機処理 (2) 追加のスリープでフォント等の読み込みをさらに確実化 ----
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time.sleep(2)
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# スクリーンショットをPNGバイナリとして取得
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png = driver.get_screenshot_as_png()
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except Exception as e:
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# 何らかのエラーが発生した場合は1x1ピクセルの黒画像を返すなどのfallback
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return Image.new('RGB', (1, 1), color=(0, 0, 0))
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finally:
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driver.quit()
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if os.path.exists(tmp_path):
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os.remove(tmp_path)
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# PNGバイナリをPIL.Imageに変換して返す
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return Image.open(BytesIO(png))
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# Gradioインターフェースの定義
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iface = gr.Interface(
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fn=render_html_to_image,
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inputs=gr.Textbox(lines=15, label="HTMLコード入力"),
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