Ansible Role: mirsg.install_python

This role installs Python, pip, and setuptools on Debian and RedHat operating systems. It will also update pip to the latest version or a user-specified version, and then install user-specified Python packages using pip.

Requirements

If you would like to run Ansible Molecule to test this role, the requirements are in requirements.txt.

Role Variables

install_python is a dictionary that contains the following varialbes:

version: the version of Python to install. This defaults to "3".

pip_version: the version of pip to update to. This defaults to "21.3.1".

pip_executable: path to the pip executalbe to use for installing packages. This defaults to "pip3"

system_packages: list of system packages to be installed along with Python. This defaults to:

- python3
- python3-pip
- python3-setuptools

The packages listed in install_python.system_packages will be installed by the OS package manager, NOT by pip.

pip_packages: list of Python packages to be installed by pip. This defaults to [].

Dependencies

There are no Ansible-Galaxy dependencies for this role.

Example Playbook

This role will install Python on a managed host. To used this role, add it to the list of roles in a play:

- name: Install Python
  hosts: all
  roles:
    - mirsg.install_python

License

BSD 3-Clause License.

Author Information

This role was created by the Medical Imaging Research Software Group at UCL.