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python3 自带 多线程 多进程 async

2019年04月19日 20:35 汪洋大海 暂无评论 阅读 62 views 次
  • run coroutines by using submit
from concurrent.futures import as_completed
import aiohttp
from asyncio_executor import AsyncioExecutor

async def httpget(url):
    async with aiohttp.ClientSession() as session:
        async with session.get(url) as resp:
            html = await resp.text("utf-8")
    return len(html)

with AsyncioExecutor() as executor:
    to_do = []
    urls = ["https://github.com/","https://docs.aiohttp.org/"]
    for i in urls:
        job = executor.submit(httpget,i)
        to_do.append(job)

    for future in as_completed(to_do):
        res = future.result()
  • run coroutines by using map
from concurrent.futures import as_completed
import aiohttp
from asyncio_executor import AsyncioExecutor

async def httpget(url):
    async with aiohttp.ClientSession() as session:
        async with session.get(url) as resp:
            html = await resp.text("utf-8")
    return len(html)

with AsyncioExecutor() as executor:
    result = []
    urls = ["https://github.com/", "https://docs.aiohttp.org/"]
    for i in executor.map(httpget, urls):
        result.append(i)
  • run functions by using submit
from concurrent.futures import as_completed
import requests as rq
from asyncio_executor import AsyncioExecutor

def httpsync(url):
    req = rq.get(url)
    return len(req.text)

with AsyncioExecutor() as executor:
    to_do = []
    urls = ["https://github.com/", "https://docs.aiohttp.org/"]
    for i in urls:
        job = executor.submit(httpsync, i)
        to_do.append(job)

    for future in as_completed(to_do):
        res = future.result()
        print(res)
  • run functions by using map
from concurrent.futures import as_completed
import requests as rq
from asyncio_executor import AsyncioExecutor

def httpsync(url):
    req = rq.get(url)
    return len(req.text)

with AsyncioExecutor() as executor:

    result = []
    urls = ["https://github.com/", "https://docs.aiohttp.org/"]
    for i in executor.map(httpsync, urls):
        result.append(i)
print(result)

文章来源:https://github.com/Python-Tools/asyncio-executor

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