auto_dataset.py 文件源码

def download_image(url, path):
    if os.path.exists(path):
        return True

    headers = {
        'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.101 Safari/537.36'
    }
    try:

        r = requests.get(url, stream=True, timeout=9, headers=headers)
        if r.status_code == 200:
            with open(path, 'wb') as f:
                r.raw.decode_content = True
                shutil.copyfileobj(r.raw, f)
                return True
        else:
            print(("Could not download image %s, response %d" % (url, r.status_code)))
    except Exception as e:
        if hasattr(e, 'message'):
            print(("Could not download image %s due to %s" % (url, e.message)))
        else:
            print(("Could not download image %s due to %s" % (url, repr(e))))

    return False