建议:关于chrome/driver自动补全的建议

[justghostof]

直接上代码吧

def Schedule_cmd(blocknum, blocksize, totalsize):
    speed = (blocknum * blocksize) / (time.time() - start_time)
    # speed_str = " Speed: %.2f" % speed
    speed_str = " Speed: %s" % format_size(speed)
    recv_size = blocknum * blocksize

    # 设置下载进度条
    f = sys.stdout
    pervent = recv_size / totalsize
    percent_str = "%.2f%%" % (pervent * 100)
    n = round(pervent * 50)
    s = ('#' * n).ljust(50, '-')
    f.write(percent_str.ljust(8, ' ') + '[' + s + ']' + speed_str)
    f.flush()
    # time.sleep(0.1)
    f.write('\r')


def Schedule(blocknum, blocksize, totalsize):
    speed = (blocknum * blocksize) / (time.time() - start_time)
    # speed_str = " Speed: %.2f" % speed
    speed_str = " Speed: %s" % format_size(speed)
    recv_size = blocknum * blocksize

    # 设置下载进度条
    f = sys.stdout
    pervent = recv_size / totalsize
    percent_str = "%.2f%%" % (pervent * 100)
    n = round(pervent * 50)
    s = ('#' * n).ljust(50, '-')
    print(percent_str.ljust(6, ' ') + '-' + speed_str)
    f.flush()
    time.sleep(2)
    # print('\r')


# 字节bytes转化K\M\G
def format_size(bytes):
    try:
        bytes = float(bytes)
        kb = bytes / 1024
    except:
        print("传入的字节格式不对")
        return "Error"
    if kb >= 1024:
        M = kb / 1024
        if M >= 1024:
            G = M / 1024
            return "%.3fG" % (G)
        else:
            return "%.3fM" % (M)
    else:
        return "%.3fK" % (kb)


def download(url, save_as=None):
    print(f"正在下载{url}")
    if save_as is None:
        save_as = url.split("/")[-1]
    urllib.request.urlretrieve(url=url, filename=save_as,
                                       reporthook=Schedule_cmd)
    
    return save_as
def decompress(file, remove=True):
    shutil.unpack_archive(file)
    if remove:
        os.remove(file)
    print(f"{file}解压完毕")
start_time = time.time()

print("检查Chrome/Chrome-driver")
if platform.system() == "Linux" and os.path.exists("/etc/debian_version"):
    prefix = "sudo " if shutil.which("sudo") else ""
    if shutil.which("chromium-browser") is None:
        os.system(f"{prefix}apt -y install chromium-browser")
    if shutil.which("chromedriver") is None:
        os.system(f"{prefix}apt -y install chromium-chromedriver")
        os.system(f"{prefix}ln -s /usr/lib/chromium-browser/chromedriver /usr/bin")
elif platform.system() == "Linux" and os.path.exists("/etc/redhat-release"):
    prefix = "sudo " if shutil.which("sudo") else ""
    if shutil.which("chromium-browser") is None:
        os.system(f"{prefix}yum -y install chromium")
    if shutil.which("chromedriver") is None:
        os.system(f"{prefix}yum -y install chromedriver")
elif platform.system() == "Windows":
    if not os.path.exists("chrome-win\\chrome.exe"):
        decompress(download("https://npm.taobao.org/mirrors/chromium-browser-snapshots/Win/706915/chrome-win.zip"))
    if not os.path.exists("chromedriver.exe"):
        decompress(download("https://npm.taobao.org/mirrors/chromedriver/79.0.3945.36/chromedriver_win32.zip"))
options = webdriver.ChromeOptions()
if platform.system() == "Linux":
    options.add_argument("no-sandbox")
if platform.system() == "Windows":
    options.binary_location = "chrome-win\\chrome.exe"
driver = webdriver.Chrome(executable_path="chromedriver.exe" if platform.system() == "Windows" else "chromedriver", options=options)