How to use the merlin.merlin function in merlin

def test():
    # access to the merlin executive
    from merlin import merlin

    # get the curator
    curator = merlin.curator
    # create a project description object
    project = merlin.newProject(name="test")
    # archive it
    curator.saveProject(project)
    # refresh the folder
    merlin.pfs['project'].discover()
    # and load it back in
    project = curator.loadProject()

    # check the name
    assert project.name == "test"

    # and return
    return project

def test():
    # access to the merlin executive
    from merlin import merlin
    # get the spellbook
    spellbook = merlin.spellbook

    # ask it to find a spell
    spell = spellbook.resolve(plexus=merlin, spec="sample")

    # and return
    return spell

def test():
    # access to the merlin executive
    from merlin import merlin

    # get the package manager
    packages = merlin.pyre_host.packager
    # check it is accessible
    assert packages

    # and return
    return packages

def test():
    # access to the merlin executive
    from merlin import merlin
    # get the spellbook
    spellbook = merlin.spellbook

    # ask it to find a spell
    spell = spellbook.resolve(plexus=merlin, spec="sample")

    # and return
    return spell

def test_cellpose_2d_local(simple_merfish_data):
    with open(os.sep.join([merlin.ANALYSIS_PARAMETERS_HOME,
                           'test_analysis_segmentation_cellpose.json']), 'r') as f:
        snakefilePath = m.generate_analysis_tasks_and_snakefile(
            simple_merfish_data, f)
        m.run_with_snakemake(simple_merfish_data, snakefilePath, 5)

def test_cv2_2d_local(simple_merfish_data):
    with open(os.sep.join([merlin.ANALYSIS_PARAMETERS_HOME,
                           'test_analysis_segmentation_cv2.json']), 'r') as f:
        snakefilePath = m.generate_analysis_tasks_and_snakefile(
            simple_merfish_data, f)
        m.run_with_snakemake(simple_merfish_data, snakefilePath, 5)

# debug:
    # merlin.vfs.dump()
    # merlin.nameserver.dump('merlin')

    # retrieve project directory
    project = merlin.vfs['/project']
    # check it
    assert str(project.uri) == os.getcwd()

    # retrieve the location of the merlin settings
    cfg = merlin.vfs['/merlin/project']
    # check it
    assert str(cfg.uri) == os.path.join(os.getcwd(), '.merlin')
    # verify that it is accessible through the {pfs]
    assert cfg is merlin.pfs['/project']

    # and return
    return

def test_merfish_2d_full_local(simple_merfish_data):
    with open(os.sep.join([merlin.ANALYSIS_PARAMETERS_HOME,
                           'test_analysis_parameters.json']), 'r') as f:
        snakefilePath = m.generate_analysis_tasks_and_snakefile(
            simple_merfish_data, f)
        m.run_with_snakemake(simple_merfish_data, snakefilePath, 5)

def test_cv2_2d_local(simple_merfish_data):
    with open(os.sep.join([merlin.ANALYSIS_PARAMETERS_HOME,
                           'test_analysis_segmentation_cv2.json']), 'r') as f:
        snakefilePath = m.generate_analysis_tasks_and_snakefile(
            simple_merfish_data, f)
        m.run_with_snakemake(simple_merfish_data, snakefilePath, 5)

def configure_environment():
    dataHome = _get_input_path('DATA_HOME=')
    analysisHome = _get_input_path('ANALYSIS_HOME=')
    parametersHome = _get_input_path('PARAMETERS_HOME=')
    m.store_env(dataHome, analysisHome, parametersHome)