废话不多说，直接上代码！
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# coding:utf-8
from multiprocessing import Pool
import time
def keywords(title, content, top_n=5):
print u'关键词提取...'
print title, content, top_n
time.sleep(3)
return 0, [u"晴", u"多云"]
def category(title, content):
print u'文本分类...'
print title, content
time.sleep(5)
return 1, [u"天气"]
def run(title, content):
keywords_list = []
category_list = []
pool = Pool(processes=2)
q = []
q.append(pool.apply_async(keywords, args=(title, content, 5)))
q.append(pool.apply_async(category, args=(title, content)))
for item in q:
r = item.get()
if r[0] == 0:
keywords_list = r[1]
elif r[0] == 1:
category_list = r[1]
pool.close()
pool.join()
return category_list, keywords_list
if __name__ == "__main__":
title = u"天气预报"
content = u"北京今日天气：晴转多云"
t1 = time.time()
category_list, keywords_list = run(title, content)
print "分类结果：", " ".join(category_list)
print "关键词提取结果", " ".join(keywords_list)
print time.time() - t1
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或者：
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# coding:utf-8
from multiprocessing import Pool
import time
def keywords(title, content, top_n=5):
print u'关键词提取...'
print title, content, top_n
time.sleep(3)
return 0, [u"晴", u"多云"]
def category(title, content):
print u'文本分类...'
print title, content
time.sleep(5)
return 1, [u"天气"]
def run(title, content):
keywords_list = []
category_list = []
pool = Pool(processes=2)
q = []
q.append(pool.apply_async(keywords, args=(title, content, 5)))
keywords_list = [w["word"] for w in q[0].get()[1]]
category_list = category(title, content)[1]
pool.close()
pool.join()
return category_list, keywords_list
if __name__ == "__main__":
title = u"天气预报"
content = u"北京今日天气：晴转多云"
t1 = time.time()
category_list, keywords_list = run(title, content)
print "分类结果：", " ".join(category_list)
print "关键词提取结果", " ".join(keywords_list)
print time.time() - t1
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以上这篇python多任务及返回值的处理方法就是小编分享给大家的全部内容了，希望能给大家一个参考，也希望大家多多支持服务器之家。
原文链接：https://blog.csdn.net/cdj0311/article/details/74640585