How To Install python3-alembic on Ubuntu 18.04

In this tutorial we learn how to install python3-alembic on Ubuntu 18.04. python3-alembic is lightweight database migration tool for SQLAlchemy - Python 3.x

Introduction

In this tutorial we learn how to install python3-alembic on Ubuntu 18.04.

What is python3-alembic

python3-alembic is:

Alembic is a new database migration tool, written by the author of SQLAlchemy. A migration tool offers the following functionality:

  • Can emit ALTER statements to a database in order to change the structure of tables and other constructs
  • Provides a system whereby “migration scripts” may be constructed; each script indicates a particular series of steps that can “upgrade” a target database to a new version, and optionally a series of steps that can “downgrade” similarly, doing the same steps in reverse.
  • Allows the scripts to execute in some sequential manner.

This package contains the Python 3.x module.

There are three methods to install python3-alembic 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-alembic 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-alembic using apt-get by running the following command:

sudo apt-get -y install python3-alembic

Install python3-alembic Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install python3-alembic

Install python3-alembic 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-alembic using aptitude by running the following command:

sudo aptitude -y install python3-alembic

How To Uninstall python3-alembic on Ubuntu 18.04

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

sudo apt-get remove python3-alembic

Uninstall python3-alembic And Its Dependencies

To uninstall python3-alembic and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:

sudo apt-get -y autoremove python3-alembic

Remove python3-alembic Configurations and Data

To remove python3-alembic configuration and data from Ubuntu 18.04 we can use the following command:

sudo apt-get -y purge python3-alembic

Remove python3-alembic configuration, data, and all of its dependencies

We can use the following command to remove python3-alembic configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge python3-alembic

References

Summary

In this tutorial we learn how to install python3-alembic package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.