How To Install python-pydl on Ubuntu 18.04
Introduction
In this tutorial we learn how to install python-pydl on Ubuntu 18.04.
What is python-pydl
python-pydl is:
PyDL consists of Python replacements for functions that are part of the IDL built-in library or part of astronomical IDL libraries. The emphasis is on reproducing results of the astronomical library functions. Only the bare minimum of IDL built-in functions are implemented to support this.
There are four astronomical libraries targeted:
- idlutils: a general suite of tools heavily used by SDSS.
- Goddard utilities: The IDL Astronomy User’s Library, maintained by Wayne Landsman and distributed with idlutils.
- idlspec2d: tools for working with SDSS, BOSS and eBOSS spectroscopic data.
- photoop: tools for working with SDSS imaging data.
This is the Python 2 version of the package.
There are three methods to install python-pydl 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 python-pydl Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install python-pydl using apt-get by running the following command:
sudo apt-get -y install python-pydl
Install python-pydl Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install python-pydl using apt by running the following command:
sudo apt -y install python-pydl
Install python-pydl 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 python-pydl using aptitude by running the following command:
sudo aptitude -y install python-pydl
How To Uninstall python-pydl on Ubuntu 18.04
To uninstall only the python-pydl package we can use the following command:
sudo apt-get remove python-pydl
Uninstall python-pydl And Its Dependencies
To uninstall python-pydl and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove python-pydl
Remove python-pydl Configurations and Data
To remove python-pydl configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge python-pydl
Remove python-pydl configuration, data, and all of its dependencies
We can use the following command to remove python-pydl configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge python-pydl
References
Summary
In this tutorial we learn how to install python-pydl package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
