class Filter:
def __init__(self):
self.db = RedisClient()
async def check_one(self, proxy):
proxies = {'http': 'http://' + proxy}
try:
print('正在测试: {}'.format(proxy))
r = requests.get(TEST_URL, proxies=proxies)
except requests.RequestException:
print('检测失败', proxy)
self.db.remove(proxy)
return
if r.status_code == 200:
print('代理可用', proxy)
self.db.decrease(proxy)
def run(self):
print('===开始测试代理===')
try:
print('当前代理个数：{}'.format(self.db.count))
tasks = [
asyncio.ensure_future(self.check_one(proxy.decode()))
for proxy in self.db.batch()
]
loop = asyncio.get_event_loop()
loop.run_until_complete(asyncio.wait(tasks))
except Exception as e:
print('测试错误', e.args)
class Tester(object):
def __init__(self):
self.redis = RedisClient()
async def test_single_proxy(self, proxy):
"""
测试单个代理
:param proxy:
:return:
"""
conn = aiohttp.TCPConnector(verify_ssl=False)
async with aiohttp.ClientSession(connector=conn) as session:
try:
if isinstance(proxy, bytes):
proxy = proxy.decode('utf-8')
real_proxy = 'http://' + proxy
print('正在测试', proxy)
async with session.get(TEST_URL, proxy=real_proxy, timeout=15, allow_redirects=False) as response:
if response.status in VALID_STATUS_CODES:
self.redis.max(proxy)
print('代理可用', proxy)
else:
self.redis.decrease(proxy)
# 将分数减掉之后，如果分数小于0，则移除
self.redis.remove()
print('请求响应码不合法 ', response.status, 'IP', proxy)
except (ClientError, aiohttp.client_exceptions.ClientConnectorError, asyncio.TimeoutError, AttributeError):
self.redis.decrease(proxy)
print('代理请求失败', proxy)
def run(self):
"""
测试主函数
:return:
"""
print('测试器开始运行')
try:
count = self.redis.count()
print('当前剩余', count, '个代理')
for i in range(0, count, BATCH_TEST_SIZE):
start = i
stop = min(i + BATCH_TEST_SIZE, count)
print('正在测试第', start + 1, '-', stop, '个代理')
test_proxies = self.redis.batch(start, stop)
loop = asyncio.get_event_loop()
tasks = [self.test_single_proxy(proxy) for proxy in test_proxies]
loop.run_until_complete(asyncio.wait(tasks))
sys.stdout.flush()
time.sleep(5)
except Exception as e:
print('测试器发生错误', e.args)
