How To Install python3-idna on CentOS 8

python3-idna is Internationalized Domain Names in Applications (IDNA)

Introduction

In this tutorial we learn how to install python3-idna on CentOS 8.

What is python3-idna

A library to support the Internationalised Domain Names in Applications (IDNA) protocol as specified in RFC 5891 <http version of the protocol is often referred to as “IDNA2008” and can produce different results from the earlier standard from 2003. The library is also intended to act as a suitable drop-in replacement for the “encodings.idna” module that comes with the Python standard library but currently only supports the older 2003 specification.

We can use yum or dnf to install python3-idna on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install python3-idna.

Install python3-idna on CentOS 8 Using dnf

Update yum database with dnf using the following command.

sudo dnf makecache --refresh

The output should look something like this:

CentOS Linux 8 - AppStream                                       43 kB/s | 4.3 kB     00:00    
CentOS Linux 8 - BaseOS                                          65 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - ContinuousRelease                               43 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - Extras                                          23 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - FastTrack                                       40 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - HighAvailability                                36 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - Plus                                            24 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - PowerTools                                      50 kB/s | 4.3 kB     00:00    
Extra Packages for Enterprise Linux Modular 8 - x86_64           13 kB/s | 9.2 kB     00:00    
Extra Packages for Enterprise Linux 8 - x86_64                   24 kB/s | 8.5 kB     00:00    
Metadata cache created.

After updating yum database, We can install python3-idna using dnf by running the following command:

sudo dnf -y install python3-idna

Install python3-idna on CentOS 8 Using yum

Update yum database with yum using the following command.

sudo yum makecache --refresh

The output should look something like this:

CentOS Linux 8 - AppStream                                       43 kB/s | 4.3 kB     00:00    
CentOS Linux 8 - BaseOS                                          65 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - ContinuousRelease                               43 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - Extras                                          23 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - FastTrack                                       40 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - HighAvailability                                36 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - Plus                                            24 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - PowerTools                                      50 kB/s | 4.3 kB     00:00    
Extra Packages for Enterprise Linux Modular 8 - x86_64           13 kB/s | 9.2 kB     00:00    
Extra Packages for Enterprise Linux 8 - x86_64                   24 kB/s | 8.5 kB     00:00    
Metadata cache created.

After updating yum database, We can install python3-idna using yum by running the following command:

sudo yum -y install python3-idna

How To Uninstall python3-idna on CentOS 8

To uninstall only the python3-idna package we can use the following command:

sudo dnf remove python3-idna

python3-idna Package Contents on CentOS 8

/usr/lib/python3.6/site-packages/idna
/usr/lib/python3.6/site-packages/idna-2.5-py3.6.egg-info
/usr/lib/python3.6/site-packages/idna-2.5-py3.6.egg-info/PKG-INFO
/usr/lib/python3.6/site-packages/idna-2.5-py3.6.egg-info/SOURCES.txt
/usr/lib/python3.6/site-packages/idna-2.5-py3.6.egg-info/dependency_links.txt
/usr/lib/python3.6/site-packages/idna-2.5-py3.6.egg-info/top_level.txt
/usr/lib/python3.6/site-packages/idna/__init__.py
/usr/lib/python3.6/site-packages/idna/__pycache__
/usr/lib/python3.6/site-packages/idna/__pycache__/__init__.cpython-36.opt-1.pyc
/usr/lib/python3.6/site-packages/idna/__pycache__/__init__.cpython-36.pyc
/usr/lib/python3.6/site-packages/idna/__pycache__/codec.cpython-36.opt-1.pyc
/usr/lib/python3.6/site-packages/idna/__pycache__/codec.cpython-36.pyc
/usr/lib/python3.6/site-packages/idna/__pycache__/compat.cpython-36.opt-1.pyc
/usr/lib/python3.6/site-packages/idna/__pycache__/compat.cpython-36.pyc
/usr/lib/python3.6/site-packages/idna/__pycache__/core.cpython-36.opt-1.pyc
/usr/lib/python3.6/site-packages/idna/__pycache__/core.cpython-36.pyc
/usr/lib/python3.6/site-packages/idna/__pycache__/idnadata.cpython-36.opt-1.pyc
/usr/lib/python3.6/site-packages/idna/__pycache__/idnadata.cpython-36.pyc
/usr/lib/python3.6/site-packages/idna/__pycache__/intranges.cpython-36.opt-1.pyc
/usr/lib/python3.6/site-packages/idna/__pycache__/intranges.cpython-36.pyc
/usr/lib/python3.6/site-packages/idna/__pycache__/uts46data.cpython-36.opt-1.pyc
/usr/lib/python3.6/site-packages/idna/__pycache__/uts46data.cpython-36.pyc
/usr/lib/python3.6/site-packages/idna/codec.py
/usr/lib/python3.6/site-packages/idna/compat.py
/usr/lib/python3.6/site-packages/idna/core.py
/usr/lib/python3.6/site-packages/idna/idnadata.py
/usr/lib/python3.6/site-packages/idna/intranges.py
/usr/lib/python3.6/site-packages/idna/uts46data.py
/usr/share/doc/python3-idna
/usr/share/doc/python3-idna/HISTORY.rst
/usr/share/doc/python3-idna/README.rst
/usr/share/licenses/python3-idna
/usr/share/licenses/python3-idna/LICENSE.rst

References

Summary

In this tutorial we learn how to install python3-idna on CentOS 8 using yum and dnf.