exam_pyppetter_dl_v2.py

import asyncio
from pyppeteer import launch
from pathlib import Path

# ref:https://qiita.com/horikeso/items/69528c2b21ede15a56ee

download_path = Path("./download")


async def main():
    browser = await launch()
    page = await browser.newPage()

    await page._client.send(
        "Page.setDownloadBehavior", {"behavior": "allow", "downloadPath": download_path}
    )
    await page.setViewport({"width": 1000, "height": 1000})

    await page.goto("https://www.google.co.jp/chrome/", {"waitUntil": "networkidle0"})
    await page.waitForSelector("#js-download-hero")
    await page.click("#js-download-hero")
    await page.click("#js-accept-install")

    # DL中の監視

    filename = ""
    while not filename or filename.endswith(".crdownload"):
        # ファイルを見て監視する
        watch_dir_list = list(download_path.glob("*"))
        if watch_dir_list:
            filename = str(watch_dir_list[0])
        print(filename)
        await asyncio.sleep(1)

    # 終了処理
    await browser.close()


asyncio.get_event_loop().run_until_complete(main())