How To Install python3-mypy on Ubuntu 18.04
Introduction
In this tutorial we learn how to install python3-mypy on Ubuntu 18.04.
What is python3-mypy
python3-mypy is:
Add type annotations to your Python programs, and use mypy to type check them. Mypy is essentially a Python linter on steroids, and it can catch many programming errors by analyzing your program, without actually having to run it. Mypy has a powerful type system with features such as type inference, gradual typing, generics and union types.
This package provides the modules for Python 3.
There are three methods to install python3-mypy on Ubuntu 18.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install python3-mypy Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install python3-mypy using apt-get by running the following command:
sudo apt-get -y install python3-mypy
Install python3-mypy Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install python3-mypy using apt by running the following command:
sudo apt -y install python3-mypy
Install python3-mypy Using aptitude
If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.
sudo aptitude update
After updating apt database, We can install python3-mypy using aptitude by running the following command:
sudo aptitude -y install python3-mypy
How To Uninstall python3-mypy on Ubuntu 18.04
To uninstall only the python3-mypy package we can use the following command:
sudo apt-get remove python3-mypy
Uninstall python3-mypy And Its Dependencies
To uninstall python3-mypy and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove python3-mypy
Remove python3-mypy Configurations and Data
To remove python3-mypy configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge python3-mypy
Remove python3-mypy configuration, data, and all of its dependencies
We can use the following command to remove python3-mypy configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge python3-mypy
References
Summary
In this tutorial we learn how to install python3-mypy package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
