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soulmine

python 下有什么好用的多进程并发框架么

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  •   soulmine Oct 18, 2016 5200 views
    This topic created in 3481 days ago, the information mentioned may be changed or developed.
    写了个爬虫 但只是单进程的 想开多进程 具体要求就是可以自动协商不重复 不要开 100 个进程 回头输出了 100 份完全一样的结果
    12 replies    2016-10-18 12:12:07 +08:00
    Livid
        1
    Livid  
    MOD
    PRO
       Oct 18, 2016   1
    soulmine
        2
    soulmine  
    OP
       Oct 18, 2016
    @Livid 谢谢 我去看看 doc
    ericls
        3
    ericls  
       Oct 18, 2016 via iPhone
    asyncio
    clino
        4
    clino  
       Oct 18, 2016
    也可以用协程吧,如果非 cpu 密集型的话
    9hills
        5
    9hills  
       Oct 18, 2016
    multiprocess 就行
    soulmine
        6
    soulmine  
    OP
       Oct 18, 2016
    @9hills 这要在爬虫里面写啊 懒得去写 multiprocessing
    soulmine
        7
    soulmine &nsp;
    OP
       Oct 18, 2016
    @clino 只要能满足条件 其实无所谓的 爬虫肯定是受限于网络和 Io 的问题
    soulmine
        8
    soulmine  
    OP
       Oct 18, 2016
    @ericls 然而我用的 2.7....
    Nostalgia
        9
    Nostalgia  
       Oct 18, 2016
    推荐 concurrent.futures ,支持多进程 /多线程,且封装的接口一致;抽象的程度比 threading, multiprocessing 更高些。
    ericls
        10
    ericls  
       Oct 18, 2016 via iPhone
    asyncio 有 back port 吧

    另外楼上说的 promise 写起来也挺舒服的


    要注意 process pool executor 必须要 picklable
    shyling
        11
    shyling  
       Oct 18, 2016
    concurrent.futures , MultiThreadPool
    reyno
        12
    reyno  
       Oct 18, 2016 via iPhone
    直接上 gevent
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