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import sys, multiprocessing, warnings |
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if sys.platform != 'win32': |
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multiprocessing.set_start_method('fork') |
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class CommonPool(object): |
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def map(self, func, args): |
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return list(map(func, args)) |
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class AutoPool(object): |
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def __init__(self, mode, processes): |
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if mode == 'multiprocessing' and sys.platform == 'win32': |
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warnings.warn('multiprocessing not support in windows, turning to multithreading') |
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mode = 'multithreading' |
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self.mode = mode |
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self.processes = processes |
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if mode == 'multithreading': |
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from multiprocessing.dummy import Pool as ThreadPool |
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self.pool = ThreadPool(processes=processes) |
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elif mode == 'multiprocessing': |
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from multiprocessing import Pool |
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self.pool = Pool(processes=processes) |
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else: |
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self.pool = CommonPool() |
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def map(self, func, args): |
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return self.pool.map(func, args) |