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shell

Installation

Downloading

esm_tools is hosted on https://github.com/esm-tools. To get access to the software you need to be able to log into GitHub.

Then you can start by cloning the repository esm_tools.git:

$ git clone https://github.com/esm-tools/esm_tools.git

This gives you a collection of yaml configuration files containing all the information on models, coupled setups, machines, etc. in the subfolder config, default namelists in the folder namelists, example runscripts for a large number of models on different HPC systems in subfolder runscripts, and this documention in docs. Also you will find the installer install.sh used to install the python packages.

Accessing components in DKRZ server

Some of the esm_tools components are hosted in the gitlab.dkrz.de servers. To be able to reach these components you will need:

  1. A DKRZ account (https://www.dkrz.de/up/my-dkrz/getting-started/account/DKRZ-user-account).
  2. Become a member of the group esm_tools. Either look for the group and request membership, or directly contact dirk.barbi@awi.de.
  3. Request access from the corresponding author of the component. Feel free to contact us if you don't know who the model developers are or check the Supported_Models:Supported Models section.

Configuration

If you have installed esm_tools you need to configure it before the first use to setup the hidden file $HOME/.esmtoolsrc correctly. This configuration will set required user information that are needed by both esm_master and esm_runscripts to work correctly. Such information are your user accounts on the different software repositories, your account on the machines you want to compute on, and some basic settings for the esm_runscripts.

To configure esm_master you should run the executable:

$ esm_master

Running it for the first time after installation, you will be asked to type in your user settings. This interactive configuration includes the following steps:

$ Please enter your username for gitlab.dkrz.de (default: anonymous)
$ Please enter your username for swrepo1.awi.de (default: anonymous)

Note that you will need to manually edit the file ~/.esmtoolsrc, if you mistakenly spelled any of the user names required for accessing the repositories, or you selected the default user name (anonymous).

Upgrade ESM-Tools

To upgrade all the ESM-Tools packages you can run:

$ esm_versions upgrade

This will only upgrade the packages that are not installed in editable mode. Those, installed in editable mode will need to be upgraded using git.

You can also choose to upgrade specific packages by adding the package name to the previous command, i.e. to upgrade esm_master:

$ esm_versions upgrade esm_parser

Note

If there are version conflicts reported back at this point with some of the Python modules (i.e. pkg_resources.ContextualVersionConflict: (<package name>)), try reinstalling that package: pip install <package> --upgrade --ignore-installed.

Uninstall ESM-Tools

To uninstall your current installation make sure you have the most recent version of pip available for your system:

$ python3 -m pip install -U pip

Then, you can use use the following command to uninstall all ESM-Tools packages:

$ esm_versions clean

You can also choose to manually uninstall. In order to do that, remove the installed Python packages and delete the esm_* executables. The following commands will do the trick if you installed with the install.sh script or installed using pip with user mode :

$ rm -ri ~/.local/bin/esm*
$ rm -ri ~/.local/lib/python3.<version>/site-packages/esm*

Note that you may have a different Python version, so the second command might need to be adapted. You may also use pip to uninstall any of the packages:

$ pip uninstall [--user] esm-tools

The --user flag may be required when using pip.