class Detection(object):
def __init__(self):
self.redis = RedisDB()
async def detection_proxy(self, proxy, semaphore):
async with semaphore:
con = aiohttp.TCPConnector(verify_ssl=False,
family=socket.AF_INET,
limit=60)
async with aiohttp.ClientSession(connector=con) as session:
try:
test_proxy = "http://" + proxy
log.debug("正在测试代理：" + test_proxy)
async with session.get(TEST_URL,
proxy=test_proxy,
timeout=7) as response:
html = await response.text()
if response.status == 200 and '检测到有异常请求' not in html:
log.debug("\n" + proxy + " 代理可用")
else:
self.redis.delete_value(redis_key, proxy)
log.debug("已清除失效的代理：" + proxy)
except Exception as e:
self.redis.delete_value(redis_key, proxy)
log.debug("\n" + proxy + ' 代理请求失败')
log.debug("已清除失效的代理：" + proxy)
def run(self):
try:
proxies = self.redis.get_all(redis_key)
for i in range(0, len(proxies), BATCH_SIZE):
test_proxies = proxies[i:i + BATCH_SIZE]
self.main(test_proxies)
except Exception as e:
log.debug("测试发生错误", e.args)
def main(self, test_proxies):
semaphore = asyncio.Semaphore(5)
loop = asyncio.get_event_loop()
task = [
self.detection_proxy(proxy, semaphore) for proxy in test_proxies
]
loop.run_until_complete(asyncio.wait(task))
class Detection(object):
def __init__(self):
self.redis = RedisDB()
self.test_url = 'https://m.weibo.cn/'
@tools.debug
async def get_html(self, root_url, proxy, semaphore):
try:
test_proxy = "http://" + proxy
log.debug("正在测试代理：" + test_proxy)
async with semaphore:
response = await requests.get(root_url,
proxy=test_proxy,
timeout=5)
html = await response.text()
return response, html
except asyncio.TimeoutError as err:
#log.debug(err)
return [], []
@tools.debug
async def run(self, content_info):
semaphore = asyncio.Semaphore(10)
try:
response, html = await self.get_html(self.test_url, content_info,
semaphore)
if html and response:
if response.status == 200 and '检测到有异常请求' not in html:
log.debug("\n" + content_info + " 代理可用")
else:
self.redis.delete_value(redis_key, content_info)
log.debug("已清除失效的代理：" + content_info)
else:
self.redis.delete_value(redis_key, content_info)
log.debug("已清除失效的代理：" + content_info)
except Exception as e:
print(e)
self.redis.delete_value(redis_key, content_info)
log.debug("\n" + content_info + ' 代理请求失败')
log.debug("已清除失效的代理：" + content_info)
def doing_main(self):
task_list = self.redis.get_all(redis_key)
log.debug('数据库中IP总数{}'.format(len(task_list)))
tasks = [asyncio.ensure_future(self.run(data)) for data in task_list]
loop = asyncio.get_event_loop()
loop.run_until_complete(asyncio.wait(tasks, timeout=6))
