Snakes on a Plane

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Conda meets Cargo. SOAP lets you easily maintain Conda environments for individual projects.

Soap is configured in soap.toml. SOAP always looks for this file in the root of the git repository it was called from. It can also be configured in the tool.soap table of pyproject.toml. Specify environments with a name and a Conda environment YAML file:

dev = "devtools/conda-envs/test_env.yml"
user = "devtools/conda-envs/user_env.yml"
docs = "devtools/conda-envs/docs_env.yml"

Then run commands in an environment with soap run:

soap run --env docs "sphinx-build -n auto docs docs/_build/html"

SOAP will check that the environment matches the specification with every call, so if you pull in an update to docs_env.yml and run soap run ... again, your environment will be updated. This won’t necessarily update dependencies if the spec hasn’t changed; to do this, run soap update:

soap update

You can also define your own aliases for commands. For simple commands, define the command as a value in the aliases table:

greet = "echo 'hello world'"

To configure an alias, define a table instead of a string:

cmd = "sphinx-build -j auto docs docs/_build/html"
chdir = true # Run the command in the git repository root directory
env = "docs" # Use the docs environment by default
description = "Build the docs with Sphinx" # Description for --help

In either case, the alias becomes a sub-command:

soap greet

The environment used by an alias can be defined in the TOML file, but it can also be overridden on the command line:

soap docs --env user

SOAP will always check that the environment is correct before running aliases, just like for soap run!


Project based on the Computational Molecular Science Python Cookiecutter version 1.6.


Snakes on a Plane: Conda meets Cargo