osf_helper.py 文件源码

def check_online():
    try:
        response = requests.get("http://www.google.com")
        if response.status_code == 200:
            return True
    except requests.ConnectionError:
        pass
    # second attempt
    time.sleep(2)
    try:
        response = requests.get("http://www.google.com")
        if response.status_code == 200:
            return True
        return False
    except requests.ConnectionError:
        return False