exam_pyppetter_dl.py

import asyncio
from pyppeteer import launch
from pathlib import Path
import time

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

download_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")

    # ここにDL中の監視をさせる必要があるっぽい

    # 終了処理がわからん

    # await browser.close()


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

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