我的存根python3程序找不到"pytz“模块:
[me@mybox]$ uname -a
Linux portal2 3.10.0-1160.53.1.el7.x86_64 #1 SMP Fri Jan 14 13:59:45 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
[me@mybox]$ cat /etc/redhat-release
CentOS Linux release 7.9.2009 (Core)
[me@mybox]$
[me@mybox]$ cat t2b.py
#!/usr/bin/env python3
import sys
import datetime
import time
import pytz
from datetime import datetime, timezone, tzinfo
[me@mybox]$ ./t2b.py
Traceback (most recent call last):
File "./t2b.py", line 6, in
import pytz
ModuleNotFoundError: No module named 'pytz'
[me@mybox]$ 在我的Centos 7框上的"yum“提供了'pytz‘模块,所以我安装了它(删除了许多行):
[root@mybox ~]# yum install pytz
Loaded plugins: fastestmirror, langpacks
Determining fastest mirrors
. . . . .
Resolving Dependencies
--> Running transaction check
---> Package pytz.noarch 0:2016.10-2.el7 will be installed
--> Finished Dependency Resolution
. . . . .
Dependencies Resolved
. . . . .
Installing:
pytz noarch 2016.10-2.el7 base 46 k
. . . . .
Installed:
pytz.noarch 0:2016.10-2.el7
Complete!
[root@mybox ~]# 但是在这之后,我的存根程序以同样的方式失败了!就它而言,即使在重新启动和重新登录之后,仍然存在“没有名为'pytz‘的模块”。
直到我通过'pip3‘安装了'pytz’模块之后,t2b.py才能找到它。
[root@portal2 ~]# pip3 install pytz
WARNING: Running pip install with root privileges is generally not a good idea. Try `pip3 install --user` instead.
Collecting pytz
Downloading https://files.pythonhosted.org/packages/d3/e3/d9f046b5d1c94a3aeab15f1f867aa414f8ee9d196fae6865f1d6a0ee1a0b/pytz-2021.3-py2.py3-none-any.whl (503kB)
100% |████████████████████████████████| 512kB 2.0MB/s
Installing collected packages: pytz
Successfully installed pytz-2021.3
[root@portal2 ~]#
[kurt@mybox ]$ ./t2b.py
[kurt@mybox ]$我希望尽可能通过"yum“统一维护已安装的软件。我的问题是,为什么这个python3模块不起作用,和/或需要采取哪些其他步骤才能使该过程正常工作?
发布于 2022-03-10 21:30:04
没有什么比问这个问题的工作更能让你眼前浮现出显而易见的答案了。我似乎为python2安装了“pytz”:
[root@mybox ~]# yum list all | grep pytz
pytz.noarch 2016.10-2.el7 @base
python36-pytz.noarch 2017.2-3.el7 epel
rh-python38-python-pytz.noarch 2019.3-4.el7 centos-sclo-rh
[root@pmybox ~]# python3 -V
Python 3.6.8
[root@mybox ~]# 难怪我的小python3程序找不到它。很可能我应该安装‘python36pytz’,我的程序就会找到它。
https://serverfault.com/questions/1095881
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