python中的httpx异步请求
异步支持HTTPX默认情况下提供标准的同步API,但是如果需要,还可以为你提供异步客户端的选项 。
要发出异步请求,你需要一个httpx.AsyncClient
import asyncio
import httpx
async def main():
async with httpx.AsyncClient() as client:
response = await client.get('https://example.org/')
loop = asyncio.get_event_loop()
try:
loop.run_until_complete(main())
finally:
loop.close()
发出请求
AsyncClient.get(url, ...)
AsyncClient.options(url, ...)
AsyncClient.head(url, ...)
AsyncClient.post(url, ...)
AsyncClient.put(url, ...)
AsyncClient.patch(url, ...)
AsyncClient.delete(url, ...)
AsyncClient.request(url, ...)
AsyncClient.send(url, ...)
流式响应
Response.aread()
Response.aiter_bytes()
Response.aiter_text()
Response.aiter_lines()
Response.aiter_raw()
实例
import asyncio
import httpx
async def re():
async with httpx.AsyncClient() as client:
res = await client.get('https://www.baidu.com')
print(res.text)
return res.text
loop = asyncio.get_event_loop()
task = # 把任务放入数组,准备给事件循环器调用
loop.run_until_complete(asyncio.wait(task))
loop.close()
总结
以上为个人经验,希望能给大家一个参考,也希望大家多多支持脚本之家。
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