How To Install pylint on CentOS 8

pylint is Analyzes Python code looking for bugs and signs of poor quality

Introduction

In this tutorial we learn how to install pylint on CentOS 8.

What is pylint

Pylint is a Python source code analyzer which looks for programming errors, helps enforcing a coding standard and sniffs for some code smells (as defined in Martin Fowler’s Refactoring book). Pylint can be seen as another PyChecker since nearly all tests you can do with PyChecker can also be done with Pylint. However, Pylint offers some more features, like checking length of lines of code, checking if variable names are well-formed according to your coding standard, or checking if declared interfaces are truly implemented, and much more. Additionally, it is possible to write plugins to add your own checks.

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

Install pylint 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 pylint using dnf by running the following command:

sudo dnf -y install pylint

Install pylint 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 pylint using yum by running the following command:

sudo yum -y install pylint

How To Uninstall pylint on CentOS 8

To uninstall only the pylint package we can use the following command:

sudo dnf remove pylint

pylint Package Contents on CentOS 8

/usr/bin/epylint
/usr/bin/pylint
/usr/bin/pyreverse
/usr/bin/symilar
/usr/share/doc/pylint
/usr/share/doc/pylint/ChangeLog
/usr/share/doc/pylint/README.rst
/usr/share/doc/pylint/elisp
/usr/share/doc/pylint/elisp/pylint-flymake.el
/usr/share/doc/pylint/elisp/pylint.el
/usr/share/doc/pylint/elisp/startup
/usr/share/doc/pylint/examples
/usr/share/doc/pylint/examples/custom.py
/usr/share/doc/pylint/examples/custom_raw.py
/usr/share/doc/pylint/examples/pylintrc
/usr/share/doc/pylint/examples/pylintrc_camelcase
/usr/share/licenses/pylint
/usr/share/licenses/pylint/COPYING
/usr/share/man/man1/epylint.1.gz
/usr/share/man/man1/pylint.1.gz
/usr/share/man/man1/pyreverse.1.gz
/usr/share/man/man1/symilar.1.gz

References

Summary

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