import multiprocessing
import random
import time
import uuid
class Test(object):
def __init__(self):
self.value = uuid.uuid4()
self.value2 = uuid.uuid1()
def print_id():
time.sleep(3)
t = Test()
print(time.time(), multiprocessing.current_process().name, id(t.value), t.value)
time.sleep(3)
if __name__ == '__main__':
for i in range(20):
multiprocessing.Process(target=print_id).start()
在python文档中，id函数被注释为“ CPython实现细节：这是对象在内存中的地址。”
如果id指向内存中对象的地址，我希望id（t.value）具有不同的值。 （为避免整数池或字符串池的影响，我使用uuid生成随机字符串）。
但是，结果如下所示在Linux（windows子系统）中运行
1573442491.7650847 Process-5 139809379339728 e26051eb-1a5e-45b2-a279-8a87d902fb5f
1573442491.76799 Process-6 139809377286352 be08771f-0592-4c6c-a17a-778f869964d1
1573442491.7683392 Process-7 139809377286352 f1281fe8-b66b-46d8-826f-1a1587d96385
1573442491.7693052 Process-10 139809377286352 6d594352-6606-4bb0-bd4f-3ff88c775fa8
1573442491.7711256 Process-8 139809377286352 0d6d1aa5-fd03-4d1f-98e8-38973aebaacb
1573442491.7724354 Process-1 139809379338768 d4978687-fb5f-4d10-bbee-bcba34229829
1573442491.772816 Process-2 139809379336848 7d264c1a-5634-4798-891d-4eb0e738079e
1573442491.7740486 Process-3 139809377286480 efa39c48-e92a-4feb-b6fc-c648485dce1f
1573442491.7740998 Process-4 139809379338896 6957c2d0-e9fa-4be1-b9fb-318f2bed51f4
1573442491.7750933 Process-9 139809377286352 acc3129e-8dfa-48a5-a652-60eb71068f07
1573442492.0212004 Process-12 139809377286352 efc229d7-abb3-4101-a73d-cacb1098a4d0
1573442492.0212717 Process-11 139809377286352 2733532b-77cc-46ff-99da-c87738711cb1
1573442492.0219014 Process-13 139809377286352 19de43bb-efc1-426b-9724-5f3546101fa3
1573442492.0264502 Process-17 139809377286352 9d894bac-c60e-40be-931d-110d08c1ed57
1573442492.02747 Process-15 139809377286352 ffb3a1d1-eb11-48d3-a2dd-d460452ee2c7
1573442492.0276544 Process-14 139809377286352 0c9a683c-8de1-46c1-8638-ffb033cef588
1573442492.028296 Process-19 139809377286352 1949a743-3092-467d-b64a-8d3f2d315c89
1573442492.0284011 Process-16 139809377286352 00c0ec39-b2e2-40bc-a3e2-0de2362c9d60
1573442492.0284972 Process-18 139809377286352 3efbf7f5-b9fa-40d4-a1d5-b4a21f462e75
1573442492.0286424 Process-20 139809377286352 cea3d24b-73e8-43e5-a121-c37995c1b029
可以注意到，某些进程将返回具有相同id（t.value）和不同t.value的
id函数真的返回内存的真实地址吗？ 如果没有，python或cpython中内存地址映射的隐藏规则是什么？ 我应该如何解释输出？