def verify_proxy_useful():
"""
定时任务, 验证 useful 中的代理是否可用
:return:
"""
logger.info('开始验证 useful 代理')
count = ProxyPool.count()
if count == 0:
logger.info('useful 代理数量为零, 验证 done')
return
with futures.ThreadPoolExecutor(max_workers=10) as executor:
proxys = ProxyPool.all()
for proxy, result in zip(proxys,
executor.map(_verify_proxy_useful, proxys)):
# 无需知道结果
pass
logger.info('验证 useful 代理 done')
def count():
n = ProxyPool.count()
return str(n)