在centos 8 上python2的代码转换为Python3

最新推荐文章于 2024-07-12 14:23:39 发布

原创最新推荐文章于 2024-07-12 14:23:39 发布 · 313 阅读

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#centos #python #linux

本文介绍了一种将Python 2代码转换为Python 3的工具2to3，并演示了如何通过该工具进行代码迁移的过程。

python 提供了将python2的代码转换为python3的工具2 to 3



[root@vlan206 ~]# yum provides 2to3 # 查找工具属于的包
Failed to set locale, defaulting to C
Updating Subscription Management repositories.
Unable to read consumer identity
This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.
Repository AppStream is listed more than once in the configuration
Repository PowerTools is listed more than once in the configuration
Repository base is listed more than once in the configuration
Repository centosplus is listed more than once in the configuration
Repository extras is listed more than once in the configuration
Last metadata expiration check: 0:26:36 ago on Thu May 26 13:40:37 2022.
platform-python-devel-3.6.8-41.el8.x86_64 : Libraries and header files needed for Python development
Repo        : @System
Matched from:
Provide    : 2to3 = 3.6.8-41.el8

platform-python-devel-3.6.8-41.el8.i686 : Libraries and header files needed for Python development
Repo        : AppStream
Matched from:
Provide    : 2to3 = 3.6.8-41.el8

platform-python-devel-3.6.8-41.el8.x86_64 : Libraries and header files needed for Python development
Repo        : AppStream
Matched from:
Provide    : 2to3 = 3.6.8-41.el8

[root@vlan206 ~]#



# 安装2to3 工具

yum install 2to3


# 使用工具将curl.py由2的版本转换为3
2to3 -w cur.py