build.py

from dask import delayed

@delayed
def install_minicodna_env(...):
    pass


@delayed
def install_deps(...):
    pass

# etc.
repo = clone_repo('https://github.com/apache/arrow')
conda = install_miniconda()

artifacts = []
for pyver in python_versions:
    env = install_miniconda_env(conda, pyver)
    art = run_cmake(repo, env)
    # run test for example
    artifacts.append(art)
    
done = deploy(artifacts)

done.compute()