![\"\"](\"https:\/\/egonlin.com\/wp-content\/uploads\/2022\/03\/\u53051.jpg\")
<\/div><\/p>\n\u4e00 \u5305\u4ecb\u7ecd<\/h1>\n
\u968f\u7740\u6a21\u5757\u6570\u76ee\u7684\u589e\u591a\uff0c\u628a\u6240\u6709\u6a21\u5757\u4e0d\u52a0\u533a\u5206\u5730\u653e\u5230\u4e00\u8d77\u4e5f\u662f\u6781\u4e0d\u5408\u7406\u7684\uff0c\u4e8e\u662fPython\u4e3a\u6211\u4eec\u63d0\u4f9b\u4e86\u4e00\u79cd\u628a\u6a21\u5757\u7ec4\u7ec7\u5230\u4e00\u8d77\u7684\u65b9\u6cd5\uff0c\u5373\u521b\u5efa\u4e00\u4e2a\u5305\u3002\u5305\u5c31\u662f\u4e00\u4e2a\u542b\u6709__init__.py\u6587\u4ef6\u7684\u6587\u4ef6\u5939\uff0c\u6587\u4ef6\u5939\u5185\u53ef\u4ee5\u7ec4\u7ec7\u5b50\u6a21\u5757\u6216\u5b50\u5305\uff0c\u4f8b\u5982<\/p>\n
pool\/ #\u9876\u7ea7\u5305\n\u251c\u2500\u2500 __init__.py \n\u251c\u2500\u2500 futures #\u5b50\u5305\n\u2502 \u251c\u2500\u2500 __init__.py\n\u2502 \u251c\u2500\u2500 process.py\n\u2502 \u2514\u2500\u2500 thread.py\n\u2514\u2500\u2500 versions.py #\u5b50\u6a21\u5757<\/code><\/pre>\n\u9700\u8981\u5f3a\u8c03\u7684\u662f<\/p>\n
#1. \u5728python3\u4e2d\uff0c\u5373\u4f7f\u5305\u4e0b\u6ca1\u6709__init__.py\u6587\u4ef6\uff0cimport \u5305\u4ecd\u7136\u4e0d\u4f1a\u62a5\u9519\uff0c\u800c\u5728python2\u4e2d\uff0c\u5305\u4e0b\u4e00\u5b9a\u8981\u6709\u8be5\u6587\u4ef6\uff0c\u5426\u5219import \u5305\u62a5\u9519\n\n#2. \u521b\u5efa\u5305\u7684\u76ee\u7684\u4e0d\u662f\u4e3a\u4e86\u8fd0\u884c\uff0c\u800c\u662f\u88ab\u5bfc\u5165\u4f7f\u7528\uff0c\u8bb0\u4f4f\uff0c\u5305\u53ea\u662f\u6a21\u5757\u7684\u4e00\u79cd\u5f62\u5f0f\u800c\u5df2\uff0c\u5305\u7684\u672c\u8d28\u5c31\u662f\u4e00\u79cd\u6a21\u5757<\/code><\/pre>\n![\"\"](\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\")
<\/div><\/p>\n\u63a5\u4e0b\u6765\u6211\u4eec\u5c31\u4ee5\u5305pool\u4e3a\u4f8b\u6765\u4ecb\u7ecd\u5305\u7684\u4f7f\u7528\uff0c\u5305\u5185\u5404\u6587\u4ef6\u5185\u5bb9\u5982\u4e0b<\/p>\n
# process.py\nclass ProcessPoolExecutor:\n def __init__(self,max_workers):\n self.max_workers=max_workers\n\n def submit(self):\n print('ProcessPool submit')\n\n# thread.py\nclass ThreadPoolExecutor:\n def __init__(self, max_workers):\n self.max_workers = max_workers\n\n def submit(self):\n print('ThreadPool submit')\n\n# versions.py\ndef check():\n print('check versions\u2019)\n\n# __init__.py\u6587\u4ef6\u5185\u5bb9\u5747\u4e3a\u7a7a<\/code><\/pre>\n<\/div><\/p>\n\u4e8c \u5305\u7684\u4f7f\u7528<\/h1>\n2.1 \u5bfc\u5165\u5305\u4e0e__init__.py<\/h2>\n
\u5305\u5c5e\u4e8e\u6a21\u5757\u7684\u4e00\u79cd\uff0c\u56e0\u800c\u5305\u4ee5\u53ca\u5305\u5185\u7684\u6a21\u5757\u5747\u662f\u7528\u6765\u88ab\u5bfc\u5165\u4f7f\u7528\u7684\uff0c\u800c\u7edd\u975e\u88ab\u76f4\u63a5\u6267\u884c\uff0c\u9996\u6b21\u5bfc\u5165\u5305\uff08\u5982import pool\uff09\u540c\u6837\u4f1a\u505a\u4e09\u4ef6\u4e8b\uff1a<\/p>\n
1\u3001\u6267\u884c\u5305\u4e0b\u7684__init__.py\u6587\u4ef6<\/p>\n
2\u3001\u4ea7\u751f\u4e00\u4e2a\u65b0\u7684\u540d\u79f0\u7a7a\u95f4\u7528\u4e8e\u5b58\u653e__init__.py\u6267\u884c\u8fc7\u7a0b\u4e2d\u4ea7\u751f\u7684\u540d\u5b57<\/p>\n
3\u3001\u5728\u5f53\u524d\u6267\u884c\u6587\u4ef6\u6240\u5728\u7684\u540d\u79f0\u7a7a\u95f4\u4e2d\u5f97\u5230\u4e00\u4e2a\u540d\u5b57pool\uff0c\u8be5\u540d\u5b57\u6307\u5411__init__.py\u7684\u540d\u79f0\u7a7a\u95f4\uff0c\u4f8b\u5982pool.xxx\u548cpool.yyy\u4e2d\u7684xxx\u548cyyy\u90fd\u662f\u6765\u81ea\u4e8epool\u4e0b\u7684__init__.py\uff0c\u4e5f\u5c31\u662f\u8bf4\u5bfc\u5165\u5305\u65f6\u5e76\u4e0d\u4f1a\u5bfc\u5165\u5305\u4e0b\u6240\u6709\u7684\u5b50\u6a21\u5757\u4e0e\u5b50\u5305<\/p>\n
import pool\n\npool.versions.check() #\u629b\u51fa\u5f02\u5e38AttributeError\npool.futures.process.ProcessPoolExecutor(3) #\u629b\u51fa\u5f02\u5e38AttributeError<\/code><\/pre>\npool.versions.check()\u8981\u6c42pool\u4e0b\u6709\u540d\u5b57versions\uff0c\u8fdb\u800cpool.versions\u4e0b\u6709\u540d\u5b57check\u3002pool.versions\u4e0b\u5df2\u7ecf\u6709\u540d\u5b57check\u4e86\uff0c\u6240\u4ee5\u95ee\u9898\u51fa\u5728pool\u4e0b\u6ca1\u6709\u540d\u5b57versions\uff0c\u8fd9\u5c31\u9700\u8981\u5728pool\u4e0b\u7684__init__.py\u4e2d\u5bfc\u5165\u6a21\u5757versions<\/p>\n
<\/div><\/p>\n\u5f3a\u8c03<\/strong><\/p>\n1.\u5173\u4e8e\u5305\u76f8\u5173\u7684\u5bfc\u5165\u8bed\u53e5\u4e5f\u5206\u4e3aimport\u548cfrom ... import ...\u4e24\u79cd\uff0c\u4f46\u662f\u65e0\u8bba\u54ea\u79cd\uff0c\u65e0\u8bba\u5728\u4ec0\u4e48\u4f4d\u7f6e\uff0c\u5728\u5bfc\u5165\u65f6\u90fd\u5fc5\u987b\u9075\u5faa\u4e00\u4e2a\u539f\u5219\uff1a\u51e1\u662f\u5728\u5bfc\u5165\u65f6\u5e26\u70b9\u7684\uff0c\u70b9\u7684\u5de6\u8fb9\u90fd\u5fc5\u987b\u662f\u4e00\u4e2a\u5305\uff0c\u5426\u5219\u975e\u6cd5\u3002\u53ef\u4ee5\u5e26\u6709\u4e00\u8fde\u4e32\u7684\u70b9\uff0c\u5982import \u9876\u7ea7\u5305.\u5b50\u5305.\u5b50\u6a21\u5757,\u4f46\u90fd\u5fc5\u987b\u9075\u5faa\u8fd9\u4e2a\u539f\u5219\u3002\u4f46\u5bf9\u4e8e\u5bfc\u5165\u540e\uff0c\u5728\u4f7f\u7528\u65f6\u5c31\u6ca1\u6709\u8fd9\u79cd\u9650\u5236\u4e86\uff0c\u70b9\u7684\u5de6\u8fb9\u53ef\u4ee5\u662f\u5305,\u6a21\u5757\uff0c\u51fd\u6570\uff0c\u7c7b(\u5b83\u4eec\u90fd\u53ef\u4ee5\u7528\u70b9\u7684\u65b9\u5f0f\u8c03\u7528\u81ea\u5df1\u7684\u5c5e\u6027)\u3002\n\n2\u3001\u5305A\u548c\u5305B\u4e0b\u6709\u540c\u540d\u6a21\u5757\u4e5f\u4e0d\u4f1a\u51b2\u7a81\uff0c\u5982A.a\u4e0eB.a\u6765\u81ea\u4fe9\u4e2a\u547d\u540d\u7a7a\u95f4\n\n3\u3001import\u5bfc\u5165\u6587\u4ef6\u65f6\uff0c\u4ea7\u751f\u540d\u79f0\u7a7a\u95f4\u4e2d\u7684\u540d\u5b57\u6765\u6e90\u4e8e\u6587\u4ef6\uff0cimport \u5305\uff0c\u4ea7\u751f\u7684\u540d\u79f0\u7a7a\u95f4\u7684\u540d\u5b57\u540c\u6837\u6765\u6e90\u4e8e\u6587\u4ef6\uff0c\u5373\u5305\u4e0b\u7684__init__.py\uff0c\u5bfc\u5165\u5305\u672c\u8d28\u5c31\u662f\u5728\u5bfc\u5165\u8be5\u6587\u4ef6<\/code><\/pre>\n2.2 \u7edd\u5bf9\u5bfc\u5165\u4e0e\u76f8\u5bf9\u5bfc\u5165<\/h2>\n
\u9488\u5bf9\u5305\u5185\u7684\u6a21\u5757\u4e4b\u95f4\u4e92\u76f8\u5bfc\u5165\uff0c\u5bfc\u5165\u7684\u65b9\u5f0f\u6709\u4e24\u79cd<\/p>\n
1\u3001\u7edd\u5bf9\u5bfc\u5165\uff1a\u4ee5\u9876\u7ea7\u5305\u4e3a\u8d77\u59cb<\/p>\n
#pool\u4e0b\u7684__init__.py\nfrom pool import versions<\/code><\/pre>\n2\u3001\u76f8\u5bf9\u5bfc\u5165\uff1a.\u4ee3\u8868\u5f53\u524d\u6587\u4ef6\u6240\u5728\u7684\u76ee\u5f55\uff0c..\u4ee3\u8868\u5f53\u524d\u76ee\u5f55\u7684\u4e0a\u4e00\u7ea7\u76ee\u5f55\uff0c\u4f9d\u6b64\u7c7b\u63a8<\/p>\n
#pool\u4e0b\u7684__init__.py\nfrom . import versions<\/code><\/pre>\n\u540c\u7406\uff0c\u9488\u5bf9pool.futures.process.ProcessPoolExecutor(3)\uff0c\u5219\u9700\u8981<\/p>\n
#\u64cd\u4f5cpool\u4e0b\u7684__init__.py\uff0c\u4fdd\u8bc1pool.futures\nfrom . import futures #\u6216from pool import futures\n\n#\u64cd\u4f5cfutrues\u4e0b\u7684__init__.py\uff0c\u4fdd\u8bc1pool.futures.process\nfrom . import process #\u6216from pool.futures import process<\/code><\/pre>\n\u5728\u5305\u5185\u4f7f\u7528\u76f8\u5bf9\u5bfc\u5165\u8fd8\u53ef\u4ee5\u8de8\u76ee\u5f55\u5bfc\u5165\u6a21\u5757\uff0c\u6bd4\u5982thread.py\u4e2d\u60f3\u5f15\u7528versions.py\u7684\u540d\u5b57check<\/p>\n
import\u4e5f\u80fd\u4f7f\u7528\u7edd\u5bf9\u5bfc\u5165\uff0c\u5bfc\u5165\u8fc7\u7a0b\u4e2d\u540c\u6837\u4f1a\u4f9d\u6b21\u6267\u884c\u5305\u4e0b\u7684__init__.py,\u53ea\u662f\u57fa\u4e8eimport\u5bfc\u5165\u7684\u7ed3\u679c\uff0c\u4f7f\u7528\u65f6\u5fc5\u987b\u52a0\u4e0a\u8be5\u524d\u7f00<\/code><\/pre>\n<\/div><\/p>\n\u4f8b1\uff1a<\/p>\n
import pool.futures #\u62ff\u5230\u540d\u5b57pool.futures\u6307\u5411futures\u4e0b\u7684__init__.py\n\npool.futures.xxx #\u8981\u6c42futures\u4e0b\u7684__init__.py\u4e2d\u5fc5\u987b\u6709\u540d\u5b57xxx <\/code><\/pre>\n\u4f8b2\uff1a<\/p>\n
import pool.futures.thread #\u62ff\u5230\u540d\u5b57pool.futures.thread\u6307\u5411thread.py\n\nthread_pool=pool.futures.thread.ThreadPoolExecutor(3)\nthread_pool.submit()<\/code><\/pre>\n\u76f8\u5bf9\u5bfc\u5165\u53ea\u80fd\u7528from module import symbol\u7684\u5f62\u5f0f,import ..versions\u8bed\u6cd5\u662f\u4e0d\u5bf9\u7684\uff0c\u4e14symbol\u53ea\u80fd\u662f\u4e00\u4e2a\u660e\u786e\u7684\u540d\u5b57<\/p>\n
from pool import futures.process #\u8bed\u6cd5\u9519\u8bef\nfrom pool.futures import process #\u8bed\u6cd5\u6b63\u786e<\/code><\/pre>\n\u9488\u5bf9\u5305\u5185\u90e8\u6a21\u5757\u4e4b\u95f4\u7684\u76f8\u4e92\u5bfc\u5165\u63a8\u8350\u4f7f\u7528\u76f8\u5bf9\u5bfc\u5165\uff0c\u9700\u8981\u7279\u522b\u5f3a\u8c03\uff1a<\/p>\n
1\u3001\u76f8\u5bf9\u5bfc\u5165\u53ea\u80fd\u5728\u5305\u5185\u90e8\u4f7f\u7528\uff0c\u7528\u76f8\u5bf9\u5bfc\u5165\u4e0d\u540c\u76ee\u5f55\u4e0b\u7684\u6a21\u5757\u662f\u975e\u6cd5\u7684<\/p>\n
2\u3001\u65e0\u8bba\u662fimport\u8fd8\u662ffrom-import\uff0c\u4f46\u51e1\u662f\u5728\u5bfc\u5165\u65f6\u5e26\u70b9\u7684\uff0c\u70b9\u7684\u5de6\u8fb9\u5fc5\u987b\u662f\u5305,\u5426\u5219\u8bed\u6cd5\u9519\u8bef<\/p>\n
<\/div><\/p>\n2.3 from \u5305 import *<\/h2>\n
\u200b \u5728\u4f7f\u7528\u5305\u65f6\u540c\u6837\u652f\u6301from pool.futures import * \uff0c\u6beb\u65e0\u7591\u95ee\u4ee3\u8868\u7684\u662ffutures\u4e0b__init__.py\u4e2d\u6240\u6709\u7684\u540d\u5b57\uff0c\u901a\u7528\u662f\u7528\u53d8\u91cf__all__\u6765\u63a7\u5236\\<\/em>\u4ee3\u8868\u7684\u610f\u601d<\/p>\n#futures\u4e0b\u7684__init__.py\n__all__=['process','thread']<\/code><\/pre>\n\u200b \u6700\u540e\u8bf4\u660e\u4e00\u70b9\uff0c\u5305\u5185\u90e8\u7684\u76ee\u5f55\u7ed3\u6784\u901a\u5e38\u662f\u5305\u7684\u5f00\u53d1\u8005\u4e3a\u4e86\u65b9\u4fbf\u81ea\u5df1\u7ba1\u7406\u548c\u7ef4\u62a4\u4ee3\u7801\u800c\u521b\u5efa\u7684\uff0c\u8fd9\u79cd\u76ee\u5f55\u7ed3\u6784\u5bf9\u5305\u7684\u4f7f\u7528\u8005\u5f80\u5f80\u662f\u65e0\u7528\u7684\uff0c\u6b64\u65f6\u901a\u8fc7\u64cd\u4f5c__init__.py\u53ef\u4ee5\u201c\u9690\u85cf\u201d\u5305\u5185\u90e8\u7684\u76ee\u5f55\u7ed3\u6784\uff0c\u964d\u4f4e\u4f7f\u7528\u96be\u5ea6\uff0c\u6bd4\u5982\u60f3\u8981\u8ba9\u4f7f\u7528\u8005\u76f4\u63a5\u4f7f\u7528<\/p>\n
import pool\n\npool.check()\npool.ProcessPoolExecutor(3)\npool.ThreadPoolExecutor(3)<\/code><\/pre>\n\u9700\u8981\u64cd\u4f5cpool\u4e0b\u7684__init__.py<\/p>\n
from .versions import check\nfrom .futures.process import ProcessPoolExecutor\nfrom .futures.thread import ThreadPoolExecutor<\/code><\/pre>\n<\/div><\/p>\n","protected":false},"excerpt":{"rendered":"\u4e00 \u5305\u4ecb\u7ecd \u968f\u7740\u6a21\u5757\u6570\u76ee\u7684\u589e\u591a\uff0c\u628a\u6240\u6709\u6a21\u5757\u4e0d\u52a0\u533a\u5206\u5730\u653e\u5230\u4e00\u8d77\u4e5f\u662f\u6781\u4e0d\u5408\u7406\u7684\uff0c\u4e8e\u662fPython\u4e3a\u6211\u4eec\u63d0\u4f9b\u4e86\u4e00\u79cd\u628a […]<\/p>\n","protected":false},"author":3,"featured_media":6705,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[3,281,327],"tags":[],"_links":{"self":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/4202"}],"collection":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4202"}],"version-history":[{"count":0,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/4202\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/media\/6705"}],"wp:attachment":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4202"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4202"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4202"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
![\"\"](\"https:\/\/egonlin.com\/wp-content\/uploads\/2022\/03\/\u6076\u641e\u56fe15-2.jpg\")
<\/div><\/p>\n![\"\"](\"https:\/\/egonlin.com\/wp-content\/uploads\/2022\/03\/\u6076\u641e\u56fe16.jpeg\")
<\/div><\/p>\n![\"\"](\"https:\/\/egonlin.com\/wp-content\/uploads\/2022\/03\/\u6076\u641e\u56fe17-3.jpg\")
<\/div><\/p>\n![\"\"](\"https:\/\/egonlin.com\/wp-content\/uploads\/2022\/03\/\u6076\u641e\u56fe18-3.jpg\")
<\/div><\/p>\n![\"\"](\"https:\/\/egonlin.com\/wp-content\/uploads\/2022\/03\/\u6076\u641e\u56fe20-2.jpg\")
<\/div><\/p>\n![\"\"](\"https:\/\/egonlin.com\/wp-content\/uploads\/2022\/03\/\u6076\u641e\u56fe21-2.jpg\")
<\/div><\/p>\n","protected":false},"excerpt":{"rendered":"