import asyncio,aiohttp async def fetch_async(url): print(url) async with aiohttp.ClientSession() as session: #协程嵌套,只需要处理最外层协程即可fetch_async async with session.get(url) as resp: print(resp.status) print(await resp.text()) #因为这里使用到了await关键字,实现异步,所有他上面的函数...
async def main(): async with aiohttp.ClientSession() as session: proxy = "http://username:password@127.0.0.1:1080" async with session.get("http://python.org", proxy=proxy) as r: print(r.status) 异步爬虫示例 import asyncio import aiohttp from lxml import etree from datetime import datetim...
print(url)async with aiohttp.ClientSession() as session: #协程嵌套,只需要处理最外层协程即可fetch_asyncasync with session.get(url) asresp:print(resp.status)print(awaitresp.text()) #因为这里使用到了await关键字,实现异步,所有他上面的函数体需要声明为异步asynctasks= [fetch_async('http://www.baidu...
proxy = 'http://your_user:your_password@your_proxy_url:your_proxy_port' async with session.get(url, proxy=proxy) as response: return BeautifulSoup(await response.content, 'html.parser') 或者是这样设置: proxy = 'http://your_proxy_url:your_proxy_port' proxy_auth = aiohttp.BasicAuth('your...
print(url)async with aiohttp.ClientSession() as session: #协程嵌套,只需要处理最外层协程即可fetch_asyncasync with session.get(url) asresp:print(resp.status)print(awaitresp.text()) #因为这里使用到了await关键字,实现异步,所有他上面的函数体需要声明为异步asynctasks= [fetch_async('http://www.baidu...
async with aiohttp.ClientSession(proxy=proxydict) as session: soup = await fetch(session, id) if 'No record found' in soup.title.text: print(id, 'na') loop = asyncio.get_event_loop() future = [asyncio.ensure_future(main(id)) for id in ids] ...
connector=ProxyConnector.from_url(proxy)# 创建一个aiohttp.ClientSession对象,用来发送HTTP请求,并传入connector参数asyncwithaiohttp.ClientSession(connector=connector)assession:# 创建一个空列表,用来存储所有的协程任务 tasks=[]# 循环10000次,每次创建一个fetch函数的协程任务,并添加到列表中foriinrange(10000):tas...
需要加一个with aiohttp.Timeout(x) with aiohttp.Timeout(0.001): async with aiohttp.get('https://') as r: await r.text() 1. 2. 3. 2.3 使用session获取数据 这里要引入一个类,aiohttp.ClientSession. 首先要建立一个session对象,然后用该session对象去打开网页。session可以进行多项操作,比如post, ge...
# 创建一个aiohttp_socks.ProxyConnector对象,用来设置代理服务器的参数 connector = ProxyConnector.from_url(proxy) # 创建一个aiohttp.ClientSession对象,用来发送HTTP请求,并传入connector参数 async with aiohttp.ClientSession(connector=connector) as session: ...