Hoffman2:Python

Use Python in Hoffman2

Use Python modules

module av python

This will show all the available Python modules in Hoffman2

python/2.7.15  python/2.7.18  python/3.6.8(default)  python/3.7.3  python/3.9.6

Be aware that the default version is python/3.6.8. To use a specific version, use command for example

module load python/3.7.3

Install Python libraires

Here shows the way to install Python libraries into your user space, which is under ~/.local

pip3 install library_name --user

For example

pip3 install scipy --user

This will install Scipy library into your ~/.local. Add the following to your ~/.bashrc

export PATH=$HOME/.local/bin:$PATH

Use Conda for Python virtual environment

Conda is very handy for managing Python environment. One can create multiple Conda environment for different purpose.

For example, if one application you want to use requires Python 3.6 but another application requires Python 3.7, you can have two separate Conda environment accordingly.

To use conda, first load the module

module load conda

Python 2 Statement

Python 2 has officially reached its End of Life (EOL). That means that it will no longer be receiving active support or updates from their core development team as of January 1st, 2020.

As a result, several open-source packages have pledged to drop support for Python 2.7. For more information about these participating projects, please refer to the Python 3 Statement https://python3statement.org/