CentOS7にPython 3をインストールする(2020年補完)

EPELを使ったPython3のインストールを以前書いたのですが、CentOS7のbaseリポジトリにpython3が入ったようです。OSインストール直後の環境で確認してみました。

[root@localhost ~]# cat /etc/centos-release
CentOS Linux release 7.6.1810 (Core)
[root@localhost ~]# yum search python3
読み込んだプラグイン:fastestmirror
Loading mirror speeds from cached hostfile
 * base: ftp.iij.ad.jp
 * extras: ftp.iij.ad.jp
 * updates: ftp.iij.ad.jp
===================================== N/S matched: python3 =====================================
python3-pip.noarch : A tool for installing and managing Python3 packages
python3-test.i686 : The self-test suite for the main python3 package
python3-test.x86_64 : The self-test suite for the main python3 package
libselinux-python3.x86_64 : SELinux python 3 bindings for libselinux
python3.i686 : Interpreter of the Python programming language
python3.x86_64 : Interpreter of the Python programming language
python3-debug.i686 : Debug version of the Python runtime
python3-debug.x86_64 : Debug version of the Python runtime
python3-devel.i686 : Libraries and header files needed for Python development
python3-devel.x86_64 : Libraries and header files needed for Python development
python3-idle.i686 : A basic graphical development environment for Python
python3-idle.x86_64 : A basic graphical development environment for Python
python3-libcomps.x86_64 : Python 3 bindings for libcomps library
python3-libs.i686 : Python runtime libraries
python3-libs.x86_64 : Python runtime libraries
python3-rpm-generators.noarch : Dependency generators for Python RPMs
python3-rpm-macros.noarch : RPM macros for building Python 3 packages
python3-setuptools.noarch : Easily build and distribute Python 3 packages
python3-tkinter.i686 : A GUI toolkit for Python
python3-tkinter.x86_64 : A GUI toolkit for Python
python3-wheel.noarch : Built-package format for Python

  Name and summary matches only, use "search all" for everything.

パッケージの情報を確認すると、バージョンは3.6でした。

[root@localhost ~]# yum info python3
読み込んだプラグイン:fastestmirror
Loading mirror speeds from cached hostfile
 * base: ftp.iij.ad.jp
 * extras: ftp.iij.ad.jp
 * updates: ftp.iij.ad.jp
利用可能なパッケージ
名前                : python3
アーキテクチャー    : x86_64
バージョン          : 3.6.8
リリース            : 13.el7
容量                : 69 k
リポジトリー        : base/7/x86_64
要約                : Interpreter of the Python programming language
URL                 : https://www.python.org/
ライセンス          : Python
説明                : Python is an accessible, high-level, dynamically typed, interpreted
                    : programming language, designed with an emphasis on code readability.
                    : It includes an extensive standard library, and has a vast ecosystem of
                    : third-party libraries.
                    :
                    : The python3 package provides the "python3" executable: the reference
                    : interpreter for the Python language, version 3.
                    : The majority of its standard library is provided in the python3-libs
                    : package, which should be installed automatically along with python3.
                    : The remaining parts of the Python standard library are broken out into the
                    : python3-tkinter and python3-test packages, which may need to be installed
                    : separately.
                    :
                    : Documentation for Python is provided in the python3-docs package.
                    :
                    : Packages containing additional libraries for Python are generally named
                    : with the "python3-" prefix.

インストールして...

[root@localhost ~]# yum install python3 python3-pip

しっかり

[root@localhost ~]# python3 -V
Python 3.6.8
[root@localhost ~]# pip3 -V
pip 9.0.3 from /usr/lib/python3.6/site-packages (python 3.6)

入りましたね！