app.py

import os
import requests

# フォントをダウンロードする関数
def download_noto_sans_cjk():
    url = "https://noto-website-2.storage.googleapis.com/pkgs/NotoSansCJKjp-hinted.zip"
    response = requests.get(url)

    # フォントディレクトリを作成
    font_dir = "/usr/share/fonts/truetype/noto"
    os.makedirs(font_dir, exist_ok=True)

    # ダウンロードしたフォントを展開
    with open("/tmp/NotoSansCJKjp.zip", "wb") as f:
        f.write(response.content)

    os.system("unzip /tmp/NotoSansCJKjp.zip -d " + font_dir)
    os.system("fc-cache -fv")  # フォントキャッシュを更新

# フォントのダウンロードとインストールを実行
download_noto_sans_cjk()


from flask import Flask, request, send_file
from selenium import webdriver
from selenium.common.exceptions import WebDriverException
from PIL import Image
from io import BytesIO

app = Flask(__name__)

def take_screenshot(url):
    options = webdriver.ChromeOptions()
    options.add_argument('--headless')
    options.add_argument('--no-sandbox')
    options.add_argument('--disable-dev-shm-usage')

    try:
        wd = webdriver.Chrome(options=options)
        wd.set_window_size(1080, 720)  # Adjust the window size here
        wd.get(url)
        wd.implicitly_wait(10)
        screenshot = wd.get_screenshot_as_png()
    except WebDriverException as e:
        # If there's an error, return a blank image as a placeholder
        return Image.new('RGB', (1, 1))
    finally:
        if wd:
            wd.quit()

    return Image.open(BytesIO(screenshot))

@app.route('/', methods=['GET'])
def screenshot():
    url = request.args.get('url')
    if not url:
        return "URL parameter is required.", 400

    # Take the screenshot of the provided URL
    image = take_screenshot(url)

    # Save the screenshot to an in-memory file and return as response
    img_io = BytesIO()
    image.save(img_io, 'PNG')
    img_io.seek(0)

    return send_file(img_io, mimetype='image/png')

if __name__ == "__main__":
    app.run(host="0.0.0.0", port=7860)